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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* Written by Doug Lea and Martin Buchholz with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
4 |
> |
* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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/* |
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* @test |
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* @summary JSR-166 tck tests, in a number of variations. |
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* The first is the conformance testing variant, |
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* while others also test implementation details. |
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* @build * |
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* @modules java.management |
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* @run junit/othervm/timeout=1000 JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 |
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* -Djava.util.secureRandomSeed=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000/policy=tck.policy |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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*/ |
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|
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.io.*; |
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import java.security.*; |
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import static java.util.concurrent.TimeUnit.MINUTES; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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|
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.ThreadInfo; |
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import java.lang.management.ThreadMXBean; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.Modifier; |
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import java.security.CodeSource; |
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import java.security.Permission; |
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import java.security.PermissionCollection; |
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import java.security.Permissions; |
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import java.security.Policy; |
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import java.security.ProtectionDomain; |
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import java.security.SecurityPermission; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.NoSuchElementException; |
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import java.util.PropertyPermission; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.Semaphore; |
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import java.util.concurrent.SynchronousQueue; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadLocalRandom; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicReference; |
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import java.util.regex.Pattern; |
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|
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import junit.framework.AssertionFailedError; |
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import junit.framework.Test; |
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import junit.framework.TestCase; |
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import junit.framework.TestResult; |
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import junit.framework.TestSuite; |
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|
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/** |
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* Base class for JSR166 Junit TCK tests. Defines some constants, |
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* |
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* <ol> |
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* |
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* <li> All assertions in code running in generated threads must use |
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* <li>All assertions in code running in generated threads must use |
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* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
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* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
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* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not |
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* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
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* particularly recommended) for other code to use these forms too. |
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* Only the most typically used JUnit assertion methods are defined |
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* this way, but enough to live with.</li> |
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* this way, but enough to live with. |
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* |
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* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
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* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within |
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* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
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* to invoke {@code super.setUp} and {@code super.tearDown} within |
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* them. These methods are used to clear and check for thread |
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* assertion failures.</li> |
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* assertion failures. |
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* |
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* <li>All delays and timeouts must use one of the constants <tt> |
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* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>, |
127 |
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* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always |
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* <li>All delays and timeouts must use one of the constants {@code |
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* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
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* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always |
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* discriminable from zero time, and always allows enough time for the |
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* small amounts of computation (creating a thread, calling a few |
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* methods, etc) needed to reach a timeout point. Similarly, a SMALL |
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* is always discriminable as larger than SHORT and smaller than |
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* MEDIUM. And so on. These constants are set to conservative values, |
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* but even so, if there is ever any doubt, they can all be increased |
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* in one spot to rerun tests on slower platforms.</li> |
134 |
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* in one spot to rerun tests on slower platforms. |
135 |
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* |
136 |
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* <li> All threads generated must be joined inside each test case |
137 |
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* method (or <tt>fail</tt> to do so) before returning from the |
138 |
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* method. The <tt> joinPool</tt> method can be used to do this when |
139 |
< |
* using Executors.</li> |
136 |
> |
* <li>All threads generated must be joined inside each test case |
137 |
> |
* method (or {@code fail} to do so) before returning from the |
138 |
> |
* method. The {@code joinPool} method can be used to do this when |
139 |
> |
* using Executors. |
140 |
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* |
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* </ol> |
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* |
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< |
* <p> <b>Other notes</b> |
143 |
> |
* <p><b>Other notes</b> |
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* <ul> |
145 |
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* |
146 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
146 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
147 |
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* covering "normal" operation, and then as many exception-testing |
148 |
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* methods as there are exceptions the method can throw. Sometimes |
149 |
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* there are multiple tests per JSR166 method when the different |
150 |
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* "normal" behaviors differ significantly. And sometimes testcases |
151 |
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* cover multiple methods when they cannot be tested in |
66 |
< |
* isolation.</li> |
151 |
> |
* cover multiple methods when they cannot be tested in isolation. |
152 |
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* |
153 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
153 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
154 |
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* a simple sentence or two describing the property that the testcase |
155 |
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* method purports to test. The javadocs do not say anything about how |
156 |
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* the property is tested. To find out, read the code.</li> |
156 |
> |
* the property is tested. To find out, read the code. |
157 |
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* |
158 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
158 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
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* test throughput, latency, scalability or other performance factors |
160 |
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* (see the separate "jtreg" tests for a set intended to check these |
161 |
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* for the most central aspects of functionality.) So, most tests use |
162 |
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* the smallest sensible numbers of threads, collection sizes, etc |
163 |
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* needed to check basic conformance.</li> |
163 |
> |
* needed to check basic conformance. |
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* |
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* <li>The test classes currently do not declare inclusion in |
166 |
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* any particular package to simplify things for people integrating |
167 |
< |
* them in TCK test suites.</li> |
167 |
> |
* them in TCK test suites. |
168 |
|
* |
169 |
< |
* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase) |
170 |
< |
* runs all JSR166 unit tests.</li> |
169 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
170 |
> |
* runs all JSR166 unit tests. |
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* |
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* </ul> |
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*/ |
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private static final boolean useSecurityManager = |
176 |
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Boolean.getBoolean("jsr166.useSecurityManager"); |
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|
178 |
+ |
protected static final boolean expensiveTests = |
179 |
+ |
Boolean.getBoolean("jsr166.expensiveTests"); |
180 |
+ |
|
181 |
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/** |
182 |
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* If true, also run tests that are not part of the official tck |
183 |
+ |
* because they test unspecified implementation details. |
184 |
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*/ |
185 |
+ |
protected static final boolean testImplementationDetails = |
186 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
187 |
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|
188 |
+ |
/** |
189 |
+ |
* If true, report on stdout all "slow" tests, that is, ones that |
190 |
+ |
* take more than profileThreshold milliseconds to execute. |
191 |
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*/ |
192 |
+ |
private static final boolean profileTests = |
193 |
+ |
Boolean.getBoolean("jsr166.profileTests"); |
194 |
+ |
|
195 |
+ |
/** |
196 |
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* The number of milliseconds that tests are permitted for |
197 |
+ |
* execution without being reported, when profileTests is set. |
198 |
+ |
*/ |
199 |
+ |
private static final long profileThreshold = |
200 |
+ |
Long.getLong("jsr166.profileThreshold", 100); |
201 |
+ |
|
202 |
+ |
/** |
203 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
204 |
+ |
*/ |
205 |
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private static final int runsPerTest = |
206 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
207 |
+ |
|
208 |
+ |
/** |
209 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
210 |
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*/ |
211 |
+ |
private static final int suiteRuns = |
212 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
213 |
+ |
|
214 |
+ |
/** |
215 |
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* Returns the value of the system property, or NaN if not defined. |
216 |
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*/ |
217 |
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private static float systemPropertyValue(String name) { |
218 |
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String floatString = System.getProperty(name); |
219 |
+ |
if (floatString == null) |
220 |
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return Float.NaN; |
221 |
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try { |
222 |
+ |
return Float.parseFloat(floatString); |
223 |
+ |
} catch (NumberFormatException ex) { |
224 |
+ |
throw new IllegalArgumentException( |
225 |
+ |
String.format("Bad float value in system property %s=%s", |
226 |
+ |
name, floatString)); |
227 |
+ |
} |
228 |
+ |
} |
229 |
+ |
|
230 |
+ |
/** |
231 |
+ |
* The scaling factor to apply to standard delays used in tests. |
232 |
+ |
* May be initialized from any of: |
233 |
+ |
* - the "jsr166.delay.factor" system property |
234 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
235 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
236 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
237 |
+ |
*/ |
238 |
+ |
private static final float delayFactor = delayFactor(); |
239 |
+ |
|
240 |
+ |
private static float delayFactor() { |
241 |
+ |
float x; |
242 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
243 |
+ |
return x; |
244 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
245 |
+ |
return x; |
246 |
+ |
String prop = System.getProperty("java.vm.version"); |
247 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
248 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
249 |
+ |
return 1.0f; |
250 |
+ |
} |
251 |
+ |
|
252 |
+ |
public JSR166TestCase() { super(); } |
253 |
+ |
public JSR166TestCase(String name) { super(name); } |
254 |
+ |
|
255 |
+ |
/** |
256 |
+ |
* A filter for tests to run, matching strings of the form |
257 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
258 |
+ |
* Usefully combined with jsr166.runsPerTest. |
259 |
+ |
*/ |
260 |
+ |
private static final Pattern methodFilter = methodFilter(); |
261 |
+ |
|
262 |
+ |
private static Pattern methodFilter() { |
263 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
264 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
265 |
+ |
} |
266 |
+ |
|
267 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
268 |
+ |
static volatile TestCase currentTestCase; |
269 |
+ |
// static volatile int currentRun = 0; |
270 |
+ |
static { |
271 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
272 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
273 |
+ |
// A single test case run should never take more than 1 second. |
274 |
+ |
// But let's cap it at the high end too ... |
275 |
+ |
final int timeoutMinutes = |
276 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
277 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
278 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
279 |
+ |
catch (InterruptedException unexpected) { break; } |
280 |
+ |
if (lastTestCase == currentTestCase) { |
281 |
+ |
System.err.printf( |
282 |
+ |
"Looks like we're stuck running test: %s%n", |
283 |
+ |
lastTestCase); |
284 |
+ |
// System.err.printf( |
285 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
286 |
+ |
// lastTestCase, currentRun, runsPerTest); |
287 |
+ |
// System.err.println("availableProcessors=" + |
288 |
+ |
// Runtime.getRuntime().availableProcessors()); |
289 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
290 |
+ |
dumpTestThreads(); |
291 |
+ |
// one stack dump is probably enough; more would be spam |
292 |
+ |
break; |
293 |
+ |
} |
294 |
+ |
lastTestCase = currentTestCase; |
295 |
+ |
}}}; |
296 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
297 |
+ |
thread.setDaemon(true); |
298 |
+ |
thread.start(); |
299 |
+ |
} |
300 |
+ |
|
301 |
+ |
// public static String cpuModel() { |
302 |
+ |
// try { |
303 |
+ |
// java.util.regex.Matcher matcher |
304 |
+ |
// = Pattern.compile("model name\\s*: (.*)") |
305 |
+ |
// .matcher(new String( |
306 |
+ |
// java.nio.file.Files.readAllBytes( |
307 |
+ |
// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8")); |
308 |
+ |
// matcher.find(); |
309 |
+ |
// return matcher.group(1); |
310 |
+ |
// } catch (Exception ex) { return null; } |
311 |
+ |
// } |
312 |
+ |
|
313 |
+ |
public void runBare() throws Throwable { |
314 |
+ |
currentTestCase = this; |
315 |
+ |
if (methodFilter == null |
316 |
+ |
|| methodFilter.matcher(toString()).find()) |
317 |
+ |
super.runBare(); |
318 |
+ |
} |
319 |
+ |
|
320 |
+ |
protected void runTest() throws Throwable { |
321 |
+ |
for (int i = 0; i < runsPerTest; i++) { |
322 |
+ |
// currentRun = i; |
323 |
+ |
if (profileTests) |
324 |
+ |
runTestProfiled(); |
325 |
+ |
else |
326 |
+ |
super.runTest(); |
327 |
+ |
} |
328 |
+ |
} |
329 |
+ |
|
330 |
+ |
protected void runTestProfiled() throws Throwable { |
331 |
+ |
for (int i = 0; i < 2; i++) { |
332 |
+ |
long startTime = System.nanoTime(); |
333 |
+ |
super.runTest(); |
334 |
+ |
long elapsedMillis = millisElapsedSince(startTime); |
335 |
+ |
if (elapsedMillis < profileThreshold) |
336 |
+ |
break; |
337 |
+ |
// Never report first run of any test; treat it as a |
338 |
+ |
// warmup run, notably to trigger all needed classloading, |
339 |
+ |
if (i > 0) |
340 |
+ |
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
341 |
+ |
} |
342 |
+ |
} |
343 |
+ |
|
344 |
|
/** |
345 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
345 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
346 |
|
*/ |
347 |
|
public static void main(String[] args) { |
348 |
+ |
main(suite(), args); |
349 |
+ |
} |
350 |
+ |
|
351 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
352 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
353 |
+ |
long runTime; |
354 |
+ |
public void startTest(Test test) {} |
355 |
+ |
protected void printHeader(long runTime) { |
356 |
+ |
this.runTime = runTime; // defer printing for later |
357 |
+ |
} |
358 |
+ |
protected void printFooter(TestResult result) { |
359 |
+ |
if (result.wasSuccessful()) { |
360 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
361 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
362 |
+ |
} else { |
363 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
364 |
+ |
super.printFooter(result); |
365 |
+ |
} |
366 |
+ |
} |
367 |
+ |
} |
368 |
+ |
|
369 |
+ |
/** |
370 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
371 |
+ |
* fluff, like printing a "." for each test case. |
372 |
+ |
*/ |
373 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
374 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
375 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
376 |
+ |
return runner; |
377 |
+ |
} |
378 |
+ |
|
379 |
+ |
/** |
380 |
+ |
* Runs all unit tests in the given test suite. |
381 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
382 |
+ |
*/ |
383 |
+ |
static void main(Test suite, String[] args) { |
384 |
|
if (useSecurityManager) { |
385 |
|
System.err.println("Setting a permissive security manager"); |
386 |
|
Policy.setPolicy(permissivePolicy()); |
387 |
|
System.setSecurityManager(new SecurityManager()); |
388 |
|
} |
389 |
< |
int iters = 1; |
390 |
< |
if (args.length > 0) |
391 |
< |
iters = Integer.parseInt(args[0]); |
392 |
< |
Test s = suite(); |
106 |
< |
for (int i = 0; i < iters; ++i) { |
107 |
< |
junit.textui.TestRunner.run(s); |
389 |
> |
for (int i = 0; i < suiteRuns; i++) { |
390 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
391 |
> |
if (!result.wasSuccessful()) |
392 |
> |
System.exit(1); |
393 |
|
System.gc(); |
394 |
|
System.runFinalization(); |
395 |
|
} |
396 |
< |
System.exit(0); |
396 |
> |
} |
397 |
> |
|
398 |
> |
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
399 |
> |
TestSuite suite = new TestSuite(); |
400 |
> |
for (Object suiteOrClass : suiteOrClasses) { |
401 |
> |
if (suiteOrClass instanceof TestSuite) |
402 |
> |
suite.addTest((TestSuite) suiteOrClass); |
403 |
> |
else if (suiteOrClass instanceof Class) |
404 |
> |
suite.addTest(new TestSuite((Class<?>) suiteOrClass)); |
405 |
> |
else |
406 |
> |
throw new ClassCastException("not a test suite or class"); |
407 |
> |
} |
408 |
> |
return suite; |
409 |
> |
} |
410 |
> |
|
411 |
> |
public static void addNamedTestClasses(TestSuite suite, |
412 |
> |
String... testClassNames) { |
413 |
> |
for (String testClassName : testClassNames) { |
414 |
> |
try { |
415 |
> |
Class<?> testClass = Class.forName(testClassName); |
416 |
> |
Method m = testClass.getDeclaredMethod("suite", |
417 |
> |
new Class<?>[0]); |
418 |
> |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
419 |
> |
} catch (Exception e) { |
420 |
> |
throw new Error("Missing test class", e); |
421 |
> |
} |
422 |
> |
} |
423 |
> |
} |
424 |
> |
|
425 |
> |
public static final double JAVA_CLASS_VERSION; |
426 |
> |
public static final String JAVA_SPECIFICATION_VERSION; |
427 |
> |
static { |
428 |
> |
try { |
429 |
> |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
430 |
> |
new java.security.PrivilegedAction<Double>() { |
431 |
> |
public Double run() { |
432 |
> |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
433 |
> |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
434 |
> |
new java.security.PrivilegedAction<String>() { |
435 |
> |
public String run() { |
436 |
> |
return System.getProperty("java.specification.version");}}); |
437 |
> |
} catch (Throwable t) { |
438 |
> |
throw new Error(t); |
439 |
> |
} |
440 |
> |
} |
441 |
> |
|
442 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
443 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
444 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
445 |
> |
public static boolean atLeastJava9() { |
446 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
447 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
448 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
449 |
> |
} |
450 |
> |
public static boolean atLeastJava10() { |
451 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
452 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
453 |
|
} |
454 |
|
|
455 |
|
/** |
456 |
< |
* Collects all JSR166 unit tests as one suite |
456 |
> |
* Collects all JSR166 unit tests as one suite. |
457 |
|
*/ |
458 |
|
public static Test suite() { |
459 |
< |
TestSuite suite = new TestSuite("JSR166 Unit Tests"); |
460 |
< |
|
461 |
< |
suite.addTest(new TestSuite(ForkJoinPoolTest.class)); |
462 |
< |
suite.addTest(new TestSuite(ForkJoinTaskTest.class)); |
463 |
< |
suite.addTest(new TestSuite(RecursiveActionTest.class)); |
464 |
< |
suite.addTest(new TestSuite(RecursiveTaskTest.class)); |
465 |
< |
suite.addTest(new TestSuite(LinkedTransferQueueTest.class)); |
466 |
< |
suite.addTest(new TestSuite(PhaserTest.class)); |
467 |
< |
suite.addTest(new TestSuite(ThreadLocalRandomTest.class)); |
468 |
< |
suite.addTest(new TestSuite(AbstractExecutorServiceTest.class)); |
469 |
< |
suite.addTest(new TestSuite(AbstractQueueTest.class)); |
470 |
< |
suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class)); |
471 |
< |
suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class)); |
472 |
< |
suite.addTest(new TestSuite(ArrayBlockingQueueTest.class)); |
473 |
< |
suite.addTest(new TestSuite(ArrayDequeTest.class)); |
474 |
< |
suite.addTest(new TestSuite(AtomicBooleanTest.class)); |
475 |
< |
suite.addTest(new TestSuite(AtomicIntegerArrayTest.class)); |
476 |
< |
suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class)); |
477 |
< |
suite.addTest(new TestSuite(AtomicIntegerTest.class)); |
478 |
< |
suite.addTest(new TestSuite(AtomicLongArrayTest.class)); |
479 |
< |
suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class)); |
480 |
< |
suite.addTest(new TestSuite(AtomicLongTest.class)); |
481 |
< |
suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class)); |
482 |
< |
suite.addTest(new TestSuite(AtomicReferenceArrayTest.class)); |
483 |
< |
suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class)); |
484 |
< |
suite.addTest(new TestSuite(AtomicReferenceTest.class)); |
485 |
< |
suite.addTest(new TestSuite(AtomicStampedReferenceTest.class)); |
486 |
< |
suite.addTest(new TestSuite(ConcurrentHashMapTest.class)); |
487 |
< |
suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class)); |
488 |
< |
suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class)); |
489 |
< |
suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class)); |
490 |
< |
suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class)); |
491 |
< |
suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class)); |
492 |
< |
suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class)); |
493 |
< |
suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class)); |
494 |
< |
suite.addTest(new TestSuite(CountDownLatchTest.class)); |
495 |
< |
suite.addTest(new TestSuite(CyclicBarrierTest.class)); |
496 |
< |
suite.addTest(new TestSuite(DelayQueueTest.class)); |
497 |
< |
suite.addTest(new TestSuite(EntryTest.class)); |
498 |
< |
suite.addTest(new TestSuite(ExchangerTest.class)); |
499 |
< |
suite.addTest(new TestSuite(ExecutorsTest.class)); |
500 |
< |
suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class)); |
501 |
< |
suite.addTest(new TestSuite(FutureTaskTest.class)); |
502 |
< |
suite.addTest(new TestSuite(LinkedBlockingDequeTest.class)); |
503 |
< |
suite.addTest(new TestSuite(LinkedBlockingQueueTest.class)); |
504 |
< |
suite.addTest(new TestSuite(LinkedListTest.class)); |
505 |
< |
suite.addTest(new TestSuite(LockSupportTest.class)); |
506 |
< |
suite.addTest(new TestSuite(PriorityBlockingQueueTest.class)); |
507 |
< |
suite.addTest(new TestSuite(PriorityQueueTest.class)); |
508 |
< |
suite.addTest(new TestSuite(ReentrantLockTest.class)); |
509 |
< |
suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class)); |
510 |
< |
suite.addTest(new TestSuite(ScheduledExecutorTest.class)); |
511 |
< |
suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class)); |
512 |
< |
suite.addTest(new TestSuite(SemaphoreTest.class)); |
513 |
< |
suite.addTest(new TestSuite(SynchronousQueueTest.class)); |
514 |
< |
suite.addTest(new TestSuite(SystemTest.class)); |
515 |
< |
suite.addTest(new TestSuite(ThreadLocalTest.class)); |
516 |
< |
suite.addTest(new TestSuite(ThreadPoolExecutorTest.class)); |
517 |
< |
suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class)); |
518 |
< |
suite.addTest(new TestSuite(ThreadTest.class)); |
519 |
< |
suite.addTest(new TestSuite(TimeUnitTest.class)); |
520 |
< |
suite.addTest(new TestSuite(TreeMapTest.class)); |
521 |
< |
suite.addTest(new TestSuite(TreeSetTest.class)); |
522 |
< |
suite.addTest(new TestSuite(TreeSubMapTest.class)); |
523 |
< |
suite.addTest(new TestSuite(TreeSubSetTest.class)); |
459 |
> |
// Java7+ test classes |
460 |
> |
TestSuite suite = newTestSuite( |
461 |
> |
ForkJoinPoolTest.suite(), |
462 |
> |
ForkJoinTaskTest.suite(), |
463 |
> |
RecursiveActionTest.suite(), |
464 |
> |
RecursiveTaskTest.suite(), |
465 |
> |
LinkedTransferQueueTest.suite(), |
466 |
> |
PhaserTest.suite(), |
467 |
> |
ThreadLocalRandomTest.suite(), |
468 |
> |
AbstractExecutorServiceTest.suite(), |
469 |
> |
AbstractQueueTest.suite(), |
470 |
> |
AbstractQueuedSynchronizerTest.suite(), |
471 |
> |
AbstractQueuedLongSynchronizerTest.suite(), |
472 |
> |
ArrayBlockingQueueTest.suite(), |
473 |
> |
ArrayDequeTest.suite(), |
474 |
> |
ArrayListTest.suite(), |
475 |
> |
AtomicBooleanTest.suite(), |
476 |
> |
AtomicIntegerArrayTest.suite(), |
477 |
> |
AtomicIntegerFieldUpdaterTest.suite(), |
478 |
> |
AtomicIntegerTest.suite(), |
479 |
> |
AtomicLongArrayTest.suite(), |
480 |
> |
AtomicLongFieldUpdaterTest.suite(), |
481 |
> |
AtomicLongTest.suite(), |
482 |
> |
AtomicMarkableReferenceTest.suite(), |
483 |
> |
AtomicReferenceArrayTest.suite(), |
484 |
> |
AtomicReferenceFieldUpdaterTest.suite(), |
485 |
> |
AtomicReferenceTest.suite(), |
486 |
> |
AtomicStampedReferenceTest.suite(), |
487 |
> |
ConcurrentHashMapTest.suite(), |
488 |
> |
ConcurrentLinkedDequeTest.suite(), |
489 |
> |
ConcurrentLinkedQueueTest.suite(), |
490 |
> |
ConcurrentSkipListMapTest.suite(), |
491 |
> |
ConcurrentSkipListSubMapTest.suite(), |
492 |
> |
ConcurrentSkipListSetTest.suite(), |
493 |
> |
ConcurrentSkipListSubSetTest.suite(), |
494 |
> |
CopyOnWriteArrayListTest.suite(), |
495 |
> |
CopyOnWriteArraySetTest.suite(), |
496 |
> |
CountDownLatchTest.suite(), |
497 |
> |
CountedCompleterTest.suite(), |
498 |
> |
CyclicBarrierTest.suite(), |
499 |
> |
DelayQueueTest.suite(), |
500 |
> |
EntryTest.suite(), |
501 |
> |
ExchangerTest.suite(), |
502 |
> |
ExecutorsTest.suite(), |
503 |
> |
ExecutorCompletionServiceTest.suite(), |
504 |
> |
FutureTaskTest.suite(), |
505 |
> |
LinkedBlockingDequeTest.suite(), |
506 |
> |
LinkedBlockingQueueTest.suite(), |
507 |
> |
LinkedListTest.suite(), |
508 |
> |
LockSupportTest.suite(), |
509 |
> |
PriorityBlockingQueueTest.suite(), |
510 |
> |
PriorityQueueTest.suite(), |
511 |
> |
ReentrantLockTest.suite(), |
512 |
> |
ReentrantReadWriteLockTest.suite(), |
513 |
> |
ScheduledExecutorTest.suite(), |
514 |
> |
ScheduledExecutorSubclassTest.suite(), |
515 |
> |
SemaphoreTest.suite(), |
516 |
> |
SynchronousQueueTest.suite(), |
517 |
> |
SystemTest.suite(), |
518 |
> |
ThreadLocalTest.suite(), |
519 |
> |
ThreadPoolExecutorTest.suite(), |
520 |
> |
ThreadPoolExecutorSubclassTest.suite(), |
521 |
> |
ThreadTest.suite(), |
522 |
> |
TimeUnitTest.suite(), |
523 |
> |
TreeMapTest.suite(), |
524 |
> |
TreeSetTest.suite(), |
525 |
> |
TreeSubMapTest.suite(), |
526 |
> |
TreeSubSetTest.suite(), |
527 |
> |
VectorTest.suite()); |
528 |
> |
|
529 |
> |
// Java8+ test classes |
530 |
> |
if (atLeastJava8()) { |
531 |
> |
String[] java8TestClassNames = { |
532 |
> |
"ArrayDeque8Test", |
533 |
> |
"Atomic8Test", |
534 |
> |
"CompletableFutureTest", |
535 |
> |
"ConcurrentHashMap8Test", |
536 |
> |
"CountedCompleter8Test", |
537 |
> |
"DoubleAccumulatorTest", |
538 |
> |
"DoubleAdderTest", |
539 |
> |
"ForkJoinPool8Test", |
540 |
> |
"ForkJoinTask8Test", |
541 |
> |
"LinkedBlockingDeque8Test", |
542 |
> |
"LinkedBlockingQueue8Test", |
543 |
> |
"LongAccumulatorTest", |
544 |
> |
"LongAdderTest", |
545 |
> |
"SplittableRandomTest", |
546 |
> |
"StampedLockTest", |
547 |
> |
"SubmissionPublisherTest", |
548 |
> |
"ThreadLocalRandom8Test", |
549 |
> |
"TimeUnit8Test", |
550 |
> |
}; |
551 |
> |
addNamedTestClasses(suite, java8TestClassNames); |
552 |
> |
} |
553 |
> |
|
554 |
> |
// Java9+ test classes |
555 |
> |
if (atLeastJava9()) { |
556 |
> |
String[] java9TestClassNames = { |
557 |
> |
"AtomicBoolean9Test", |
558 |
> |
"AtomicInteger9Test", |
559 |
> |
"AtomicIntegerArray9Test", |
560 |
> |
"AtomicLong9Test", |
561 |
> |
"AtomicLongArray9Test", |
562 |
> |
"AtomicReference9Test", |
563 |
> |
"AtomicReferenceArray9Test", |
564 |
> |
"ExecutorCompletionService9Test", |
565 |
> |
"ForkJoinPool9Test", |
566 |
> |
}; |
567 |
> |
addNamedTestClasses(suite, java9TestClassNames); |
568 |
> |
} |
569 |
|
|
570 |
|
return suite; |
571 |
|
} |
572 |
|
|
573 |
+ |
/** Returns list of junit-style test method names in given class. */ |
574 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
575 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
576 |
+ |
ArrayList<String> names = new ArrayList<>(methods.length); |
577 |
+ |
for (Method method : methods) { |
578 |
+ |
if (method.getName().startsWith("test") |
579 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
580 |
+ |
// method.getParameterCount() requires jdk8+ |
581 |
+ |
&& method.getParameterTypes().length == 0) { |
582 |
+ |
names.add(method.getName()); |
583 |
+ |
} |
584 |
+ |
} |
585 |
+ |
return names; |
586 |
+ |
} |
587 |
+ |
|
588 |
+ |
/** |
589 |
+ |
* Returns junit-style testSuite for the given test class, but |
590 |
+ |
* parameterized by passing extra data to each test. |
591 |
+ |
*/ |
592 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
593 |
+ |
(Class<? extends JSR166TestCase> testClass, |
594 |
+ |
Class<ExtraData> dataClass, |
595 |
+ |
ExtraData data) { |
596 |
+ |
try { |
597 |
+ |
TestSuite suite = new TestSuite(); |
598 |
+ |
Constructor c = |
599 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
600 |
+ |
for (String methodName : testMethodNames(testClass)) |
601 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
602 |
+ |
return suite; |
603 |
+ |
} catch (Exception e) { |
604 |
+ |
throw new Error(e); |
605 |
+ |
} |
606 |
+ |
} |
607 |
+ |
|
608 |
+ |
/** |
609 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
610 |
+ |
* given test class, but parameterized by passing extra data to |
611 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
612 |
+ |
*/ |
613 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
614 |
+ |
(Class<? extends JSR166TestCase> testClass, |
615 |
+ |
Class<ExtraData> dataClass, |
616 |
+ |
ExtraData data) { |
617 |
+ |
if (atLeastJava8()) { |
618 |
+ |
String name = testClass.getName(); |
619 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
620 |
+ |
if (name.equals(name8)) throw new Error(name); |
621 |
+ |
try { |
622 |
+ |
return (Test) |
623 |
+ |
Class.forName(name8) |
624 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
625 |
+ |
.invoke(null, data); |
626 |
+ |
} catch (Exception e) { |
627 |
+ |
throw new Error(e); |
628 |
+ |
} |
629 |
+ |
} else { |
630 |
+ |
return new TestSuite(); |
631 |
+ |
} |
632 |
+ |
} |
633 |
+ |
|
634 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
635 |
|
|
636 |
|
public static long SHORT_DELAY_MS; |
637 |
|
public static long SMALL_DELAY_MS; |
638 |
|
public static long MEDIUM_DELAY_MS; |
639 |
|
public static long LONG_DELAY_MS; |
640 |
|
|
193 |
– |
|
641 |
|
/** |
642 |
< |
* Returns the shortest timed delay. This could |
643 |
< |
* be reimplemented to use for example a Property. |
642 |
> |
* Returns the shortest timed delay. This can be scaled up for |
643 |
> |
* slow machines using the jsr166.delay.factor system property, |
644 |
> |
* or via jtreg's -timeoutFactor: flag. |
645 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
646 |
|
*/ |
647 |
|
protected long getShortDelay() { |
648 |
< |
return 50; |
648 |
> |
return (long) (50 * delayFactor); |
649 |
|
} |
650 |
|
|
202 |
– |
|
651 |
|
/** |
652 |
|
* Sets delays as multiples of SHORT_DELAY. |
653 |
|
*/ |
654 |
|
protected void setDelays() { |
655 |
|
SHORT_DELAY_MS = getShortDelay(); |
656 |
< |
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
656 |
> |
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
657 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
658 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
658 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
659 |
> |
} |
660 |
> |
|
661 |
> |
private static final long TIMEOUT_DELAY_MS |
662 |
> |
= (long) (12.0 * Math.cbrt(delayFactor)); |
663 |
> |
|
664 |
> |
/** |
665 |
> |
* Returns a timeout in milliseconds to be used in tests that verify |
666 |
> |
* that operations block or time out. We want this to be longer |
667 |
> |
* than the OS scheduling quantum, but not too long, so don't scale |
668 |
> |
* linearly with delayFactor; we use "crazy" cube root instead. |
669 |
> |
*/ |
670 |
> |
static long timeoutMillis() { |
671 |
> |
return TIMEOUT_DELAY_MS; |
672 |
> |
} |
673 |
> |
|
674 |
> |
/** |
675 |
> |
* Returns a new Date instance representing a time at least |
676 |
> |
* delayMillis milliseconds in the future. |
677 |
> |
*/ |
678 |
> |
Date delayedDate(long delayMillis) { |
679 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
680 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
681 |
|
} |
682 |
|
|
683 |
|
/** |
684 |
< |
* Flag set true if any threadAssert methods fail |
684 |
> |
* The first exception encountered if any threadAssertXXX method fails. |
685 |
|
*/ |
686 |
< |
volatile boolean threadFailed; |
686 |
> |
private final AtomicReference<Throwable> threadFailure |
687 |
> |
= new AtomicReference<>(null); |
688 |
|
|
689 |
|
/** |
690 |
< |
* Initializes test to indicate that no thread assertions have failed |
690 |
> |
* Records an exception so that it can be rethrown later in the test |
691 |
> |
* harness thread, triggering a test case failure. Only the first |
692 |
> |
* failure is recorded; subsequent calls to this method from within |
693 |
> |
* the same test have no effect. |
694 |
|
*/ |
695 |
+ |
public void threadRecordFailure(Throwable t) { |
696 |
+ |
System.err.println(t); |
697 |
+ |
dumpTestThreads(); |
698 |
+ |
threadFailure.compareAndSet(null, t); |
699 |
+ |
} |
700 |
+ |
|
701 |
|
public void setUp() { |
702 |
|
setDelays(); |
703 |
< |
threadFailed = false; |
703 |
> |
} |
704 |
> |
|
705 |
> |
void tearDownFail(String format, Object... args) { |
706 |
> |
String msg = toString() + ": " + String.format(format, args); |
707 |
> |
System.err.println(msg); |
708 |
> |
dumpTestThreads(); |
709 |
> |
throw new AssertionFailedError(msg); |
710 |
> |
} |
711 |
> |
|
712 |
> |
/** |
713 |
> |
* Extra checks that get done for all test cases. |
714 |
> |
* |
715 |
> |
* Triggers test case failure if any thread assertions have failed, |
716 |
> |
* by rethrowing, in the test harness thread, any exception recorded |
717 |
> |
* earlier by threadRecordFailure. |
718 |
> |
* |
719 |
> |
* Triggers test case failure if interrupt status is set in the main thread. |
720 |
> |
*/ |
721 |
> |
public void tearDown() throws Exception { |
722 |
> |
Throwable t = threadFailure.getAndSet(null); |
723 |
> |
if (t != null) { |
724 |
> |
if (t instanceof Error) |
725 |
> |
throw (Error) t; |
726 |
> |
else if (t instanceof RuntimeException) |
727 |
> |
throw (RuntimeException) t; |
728 |
> |
else if (t instanceof Exception) |
729 |
> |
throw (Exception) t; |
730 |
> |
else { |
731 |
> |
AssertionFailedError afe = |
732 |
> |
new AssertionFailedError(t.toString()); |
733 |
> |
afe.initCause(t); |
734 |
> |
throw afe; |
735 |
> |
} |
736 |
> |
} |
737 |
> |
|
738 |
> |
if (Thread.interrupted()) |
739 |
> |
tearDownFail("interrupt status set in main thread"); |
740 |
> |
|
741 |
> |
checkForkJoinPoolThreadLeaks(); |
742 |
|
} |
743 |
|
|
744 |
|
/** |
745 |
< |
* Triggers test case failure if any thread assertions have failed |
745 |
> |
* Finds missing PoolCleaners |
746 |
|
*/ |
747 |
< |
public void tearDown() { |
748 |
< |
assertFalse(threadFailed); |
747 |
> |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
748 |
> |
Thread[] survivors = new Thread[7]; |
749 |
> |
int count = Thread.enumerate(survivors); |
750 |
> |
for (int i = 0; i < count; i++) { |
751 |
> |
Thread thread = survivors[i]; |
752 |
> |
String name = thread.getName(); |
753 |
> |
if (name.startsWith("ForkJoinPool-")) { |
754 |
> |
// give thread some time to terminate |
755 |
> |
thread.join(LONG_DELAY_MS); |
756 |
> |
if (thread.isAlive()) |
757 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
758 |
> |
thread); |
759 |
> |
} |
760 |
> |
} |
761 |
> |
|
762 |
> |
if (!ForkJoinPool.commonPool() |
763 |
> |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
764 |
> |
tearDownFail("ForkJoin common pool thread stuck"); |
765 |
|
} |
766 |
|
|
767 |
|
/** |
768 |
< |
* Fail, also setting status to indicate current testcase should fail |
768 |
> |
* Just like fail(reason), but additionally recording (using |
769 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
770 |
> |
* the current testcase will fail. |
771 |
|
*/ |
772 |
|
public void threadFail(String reason) { |
773 |
< |
threadFailed = true; |
774 |
< |
fail(reason); |
773 |
> |
try { |
774 |
> |
fail(reason); |
775 |
> |
} catch (AssertionFailedError t) { |
776 |
> |
threadRecordFailure(t); |
777 |
> |
throw t; |
778 |
> |
} |
779 |
|
} |
780 |
|
|
781 |
|
/** |
782 |
< |
* If expression not true, set status to indicate current testcase |
783 |
< |
* should fail |
782 |
> |
* Just like assertTrue(b), but additionally recording (using |
783 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
784 |
> |
* the current testcase will fail. |
785 |
|
*/ |
786 |
|
public void threadAssertTrue(boolean b) { |
787 |
< |
if (!b) { |
247 |
< |
threadFailed = true; |
787 |
> |
try { |
788 |
|
assertTrue(b); |
789 |
+ |
} catch (AssertionFailedError t) { |
790 |
+ |
threadRecordFailure(t); |
791 |
+ |
throw t; |
792 |
|
} |
793 |
|
} |
794 |
|
|
795 |
|
/** |
796 |
< |
* If expression not false, set status to indicate current testcase |
797 |
< |
* should fail |
796 |
> |
* Just like assertFalse(b), but additionally recording (using |
797 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
798 |
> |
* the current testcase will fail. |
799 |
|
*/ |
800 |
|
public void threadAssertFalse(boolean b) { |
801 |
< |
if (b) { |
258 |
< |
threadFailed = true; |
801 |
> |
try { |
802 |
|
assertFalse(b); |
803 |
+ |
} catch (AssertionFailedError t) { |
804 |
+ |
threadRecordFailure(t); |
805 |
+ |
throw t; |
806 |
|
} |
807 |
|
} |
808 |
|
|
809 |
|
/** |
810 |
< |
* If argument not null, set status to indicate current testcase |
811 |
< |
* should fail |
810 |
> |
* Just like assertNull(x), but additionally recording (using |
811 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
812 |
> |
* the current testcase will fail. |
813 |
|
*/ |
814 |
|
public void threadAssertNull(Object x) { |
815 |
< |
if (x != null) { |
269 |
< |
threadFailed = true; |
815 |
> |
try { |
816 |
|
assertNull(x); |
817 |
+ |
} catch (AssertionFailedError t) { |
818 |
+ |
threadRecordFailure(t); |
819 |
+ |
throw t; |
820 |
|
} |
821 |
|
} |
822 |
|
|
823 |
|
/** |
824 |
< |
* If arguments not equal, set status to indicate current testcase |
825 |
< |
* should fail |
824 |
> |
* Just like assertEquals(x, y), but additionally recording (using |
825 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
826 |
> |
* the current testcase will fail. |
827 |
|
*/ |
828 |
|
public void threadAssertEquals(long x, long y) { |
829 |
< |
if (x != y) { |
280 |
< |
threadFailed = true; |
829 |
> |
try { |
830 |
|
assertEquals(x, y); |
831 |
+ |
} catch (AssertionFailedError t) { |
832 |
+ |
threadRecordFailure(t); |
833 |
+ |
throw t; |
834 |
|
} |
835 |
|
} |
836 |
|
|
837 |
|
/** |
838 |
< |
* If arguments not equal, set status to indicate current testcase |
839 |
< |
* should fail |
838 |
> |
* Just like assertEquals(x, y), but additionally recording (using |
839 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
840 |
> |
* the current testcase will fail. |
841 |
|
*/ |
842 |
|
public void threadAssertEquals(Object x, Object y) { |
843 |
< |
if (x != y && (x == null || !x.equals(y))) { |
291 |
< |
threadFailed = true; |
843 |
> |
try { |
844 |
|
assertEquals(x, y); |
845 |
+ |
} catch (AssertionFailedError fail) { |
846 |
+ |
threadRecordFailure(fail); |
847 |
+ |
throw fail; |
848 |
+ |
} catch (Throwable fail) { |
849 |
+ |
threadUnexpectedException(fail); |
850 |
|
} |
851 |
|
} |
852 |
|
|
853 |
|
/** |
854 |
< |
* threadFail with message "should throw exception" |
854 |
> |
* Just like assertSame(x, y), but additionally recording (using |
855 |
> |
* threadRecordFailure) any AssertionFailedError thrown, so that |
856 |
> |
* the current testcase will fail. |
857 |
> |
*/ |
858 |
> |
public void threadAssertSame(Object x, Object y) { |
859 |
> |
try { |
860 |
> |
assertSame(x, y); |
861 |
> |
} catch (AssertionFailedError fail) { |
862 |
> |
threadRecordFailure(fail); |
863 |
> |
throw fail; |
864 |
> |
} |
865 |
> |
} |
866 |
> |
|
867 |
> |
/** |
868 |
> |
* Calls threadFail with message "should throw exception". |
869 |
|
*/ |
870 |
|
public void threadShouldThrow() { |
871 |
< |
threadFailed = true; |
301 |
< |
fail("should throw exception"); |
871 |
> |
threadFail("should throw exception"); |
872 |
|
} |
873 |
|
|
874 |
|
/** |
875 |
< |
* threadFail with message "should throw" + exceptionName |
875 |
> |
* Calls threadFail with message "should throw" + exceptionName. |
876 |
|
*/ |
877 |
|
public void threadShouldThrow(String exceptionName) { |
878 |
< |
threadFailed = true; |
879 |
< |
fail("should throw " + exceptionName); |
878 |
> |
threadFail("should throw " + exceptionName); |
879 |
> |
} |
880 |
> |
|
881 |
> |
/** |
882 |
> |
* Records the given exception using {@link #threadRecordFailure}, |
883 |
> |
* then rethrows the exception, wrapping it in an |
884 |
> |
* AssertionFailedError if necessary. |
885 |
> |
*/ |
886 |
> |
public void threadUnexpectedException(Throwable t) { |
887 |
> |
threadRecordFailure(t); |
888 |
> |
t.printStackTrace(); |
889 |
> |
if (t instanceof RuntimeException) |
890 |
> |
throw (RuntimeException) t; |
891 |
> |
else if (t instanceof Error) |
892 |
> |
throw (Error) t; |
893 |
> |
else { |
894 |
> |
AssertionFailedError afe = |
895 |
> |
new AssertionFailedError("unexpected exception: " + t); |
896 |
> |
afe.initCause(t); |
897 |
> |
throw afe; |
898 |
> |
} |
899 |
|
} |
900 |
|
|
901 |
|
/** |
902 |
< |
* threadFail with message "Unexpected exception" |
902 |
> |
* Delays, via Thread.sleep, for the given millisecond delay, but |
903 |
> |
* if the sleep is shorter than specified, may re-sleep or yield |
904 |
> |
* until time elapses. Ensures that the given time, as measured |
905 |
> |
* by System.nanoTime(), has elapsed. |
906 |
|
*/ |
907 |
< |
public void threadUnexpectedException() { |
908 |
< |
threadFailed = true; |
909 |
< |
fail("Unexpected exception"); |
907 |
> |
static void delay(long millis) throws InterruptedException { |
908 |
> |
long nanos = millis * (1000 * 1000); |
909 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
910 |
> |
do { |
911 |
> |
if (millis > 0L) |
912 |
> |
Thread.sleep(millis); |
913 |
> |
else // too short to sleep |
914 |
> |
Thread.yield(); |
915 |
> |
nanos = wakeupTime - System.nanoTime(); |
916 |
> |
millis = nanos / (1000 * 1000); |
917 |
> |
} while (nanos >= 0L); |
918 |
|
} |
919 |
|
|
920 |
|
/** |
921 |
< |
* threadFail with message "Unexpected exception", with argument |
921 |
> |
* Allows use of try-with-resources with per-test thread pools. |
922 |
|
*/ |
923 |
< |
public void threadUnexpectedException(Throwable ex) { |
924 |
< |
threadFailed = true; |
925 |
< |
ex.printStackTrace(); |
926 |
< |
fail("Unexpected exception: " + ex); |
923 |
> |
class PoolCleaner implements AutoCloseable { |
924 |
> |
private final ExecutorService pool; |
925 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
926 |
> |
public void close() { joinPool(pool); } |
927 |
|
} |
928 |
|
|
929 |
|
/** |
930 |
< |
* Wait out termination of a thread pool or fail doing so |
930 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
931 |
|
*/ |
932 |
< |
public void joinPool(ExecutorService exec) { |
932 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
933 |
> |
private final Runnable releaser; |
934 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
935 |
> |
super(pool); |
936 |
> |
this.releaser = releaser; |
937 |
> |
} |
938 |
> |
public void close() { |
939 |
> |
try { |
940 |
> |
releaser.run(); |
941 |
> |
} finally { |
942 |
> |
super.close(); |
943 |
> |
} |
944 |
> |
} |
945 |
> |
} |
946 |
> |
|
947 |
> |
PoolCleaner cleaner(ExecutorService pool) { |
948 |
> |
return new PoolCleaner(pool); |
949 |
> |
} |
950 |
> |
|
951 |
> |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
952 |
> |
return new PoolCleanerWithReleaser(pool, releaser); |
953 |
> |
} |
954 |
> |
|
955 |
> |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
956 |
> |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
957 |
> |
} |
958 |
> |
|
959 |
> |
Runnable releaser(final CountDownLatch latch) { |
960 |
> |
return new Runnable() { public void run() { |
961 |
> |
do { latch.countDown(); } |
962 |
> |
while (latch.getCount() > 0); |
963 |
> |
}}; |
964 |
> |
} |
965 |
> |
|
966 |
> |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
967 |
> |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
968 |
> |
} |
969 |
> |
|
970 |
> |
Runnable releaser(final AtomicBoolean flag) { |
971 |
> |
return new Runnable() { public void run() { flag.set(true); }}; |
972 |
> |
} |
973 |
> |
|
974 |
> |
/** |
975 |
> |
* Waits out termination of a thread pool or fails doing so. |
976 |
> |
*/ |
977 |
> |
void joinPool(ExecutorService pool) { |
978 |
|
try { |
979 |
< |
exec.shutdown(); |
980 |
< |
assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
979 |
> |
pool.shutdown(); |
980 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
981 |
> |
try { |
982 |
> |
threadFail("ExecutorService " + pool + |
983 |
> |
" did not terminate in a timely manner"); |
984 |
> |
} finally { |
985 |
> |
// last resort, for the benefit of subsequent tests |
986 |
> |
pool.shutdownNow(); |
987 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
988 |
> |
} |
989 |
> |
} |
990 |
|
} catch (SecurityException ok) { |
991 |
|
// Allowed in case test doesn't have privs |
992 |
< |
} catch (InterruptedException ie) { |
993 |
< |
fail("Unexpected InterruptedException"); |
992 |
> |
} catch (InterruptedException fail) { |
993 |
> |
threadFail("Unexpected InterruptedException"); |
994 |
|
} |
995 |
|
} |
996 |
|
|
997 |
+ |
/** |
998 |
+ |
* Like Runnable, but with the freedom to throw anything. |
999 |
+ |
* junit folks had the same idea: |
1000 |
+ |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
1001 |
+ |
*/ |
1002 |
+ |
interface Action { public void run() throws Throwable; } |
1003 |
|
|
1004 |
|
/** |
1005 |
< |
* fail with message "should throw exception" |
1005 |
> |
* Runs all the given actions in parallel, failing if any fail. |
1006 |
> |
* Useful for running multiple variants of tests that are |
1007 |
> |
* necessarily individually slow because they must block. |
1008 |
|
*/ |
1009 |
< |
public void shouldThrow() { |
1010 |
< |
fail("Should throw exception"); |
1009 |
> |
void testInParallel(Action ... actions) { |
1010 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
1011 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
1012 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1013 |
> |
for (final Action action : actions) |
1014 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
1015 |
> |
public void realRun() throws Throwable { action.run();}})); |
1016 |
> |
for (Future<?> future : futures) |
1017 |
> |
try { |
1018 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
1019 |
> |
} catch (ExecutionException ex) { |
1020 |
> |
threadUnexpectedException(ex.getCause()); |
1021 |
> |
} catch (Exception ex) { |
1022 |
> |
threadUnexpectedException(ex); |
1023 |
> |
} |
1024 |
> |
} |
1025 |
|
} |
1026 |
|
|
1027 |
|
/** |
1028 |
< |
* fail with message "should throw " + exceptionName |
1028 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
1029 |
> |
* Uninteresting threads are filtered out. |
1030 |
|
*/ |
1031 |
< |
public void shouldThrow(String exceptionName) { |
1032 |
< |
fail("Should throw " + exceptionName); |
1031 |
> |
static void dumpTestThreads() { |
1032 |
> |
SecurityManager sm = System.getSecurityManager(); |
1033 |
> |
if (sm != null) { |
1034 |
> |
try { |
1035 |
> |
System.setSecurityManager(null); |
1036 |
> |
} catch (SecurityException giveUp) { |
1037 |
> |
return; |
1038 |
> |
} |
1039 |
> |
} |
1040 |
> |
|
1041 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1042 |
> |
System.err.println("------ stacktrace dump start ------"); |
1043 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1044 |
> |
final String name = info.getThreadName(); |
1045 |
> |
String lockName; |
1046 |
> |
if ("Signal Dispatcher".equals(name)) |
1047 |
> |
continue; |
1048 |
> |
if ("Reference Handler".equals(name) |
1049 |
> |
&& (lockName = info.getLockName()) != null |
1050 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1051 |
> |
continue; |
1052 |
> |
if ("Finalizer".equals(name) |
1053 |
> |
&& (lockName = info.getLockName()) != null |
1054 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1055 |
> |
continue; |
1056 |
> |
if ("checkForWedgedTest".equals(name)) |
1057 |
> |
continue; |
1058 |
> |
System.err.print(info); |
1059 |
> |
} |
1060 |
> |
System.err.println("------ stacktrace dump end ------"); |
1061 |
> |
|
1062 |
> |
if (sm != null) System.setSecurityManager(sm); |
1063 |
> |
} |
1064 |
> |
|
1065 |
> |
/** |
1066 |
> |
* Checks that thread eventually enters the expected blocked thread state. |
1067 |
> |
*/ |
1068 |
> |
void assertThreadBlocks(Thread thread, Thread.State expected) { |
1069 |
> |
// always sleep at least 1 ms, with high probability avoiding |
1070 |
> |
// transitory states |
1071 |
> |
for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) { |
1072 |
> |
try { delay(1); } |
1073 |
> |
catch (InterruptedException fail) { |
1074 |
> |
fail("Unexpected InterruptedException"); |
1075 |
> |
} |
1076 |
> |
Thread.State s = thread.getState(); |
1077 |
> |
if (s == expected) |
1078 |
> |
return; |
1079 |
> |
else if (s == Thread.State.TERMINATED) |
1080 |
> |
fail("Unexpected thread termination"); |
1081 |
> |
} |
1082 |
> |
fail("timed out waiting for thread to enter thread state " + expected); |
1083 |
> |
} |
1084 |
> |
|
1085 |
> |
/** |
1086 |
> |
* Checks that thread does not terminate within the default |
1087 |
> |
* millisecond delay of {@code timeoutMillis()}. |
1088 |
> |
* TODO: REMOVEME |
1089 |
> |
*/ |
1090 |
> |
void assertThreadStaysAlive(Thread thread) { |
1091 |
> |
assertThreadStaysAlive(thread, timeoutMillis()); |
1092 |
> |
} |
1093 |
> |
|
1094 |
> |
/** |
1095 |
> |
* Checks that thread does not terminate within the given millisecond delay. |
1096 |
> |
* TODO: REMOVEME |
1097 |
> |
*/ |
1098 |
> |
void assertThreadStaysAlive(Thread thread, long millis) { |
1099 |
> |
try { |
1100 |
> |
// No need to optimize the failing case via Thread.join. |
1101 |
> |
delay(millis); |
1102 |
> |
assertTrue(thread.isAlive()); |
1103 |
> |
} catch (InterruptedException fail) { |
1104 |
> |
threadFail("Unexpected InterruptedException"); |
1105 |
> |
} |
1106 |
> |
} |
1107 |
> |
|
1108 |
> |
/** |
1109 |
> |
* Checks that the threads do not terminate within the default |
1110 |
> |
* millisecond delay of {@code timeoutMillis()}. |
1111 |
> |
* TODO: REMOVEME |
1112 |
> |
*/ |
1113 |
> |
void assertThreadsStayAlive(Thread... threads) { |
1114 |
> |
assertThreadsStayAlive(timeoutMillis(), threads); |
1115 |
> |
} |
1116 |
> |
|
1117 |
> |
/** |
1118 |
> |
* Checks that the threads do not terminate within the given millisecond delay. |
1119 |
> |
* TODO: REMOVEME |
1120 |
> |
*/ |
1121 |
> |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1122 |
> |
try { |
1123 |
> |
// No need to optimize the failing case via Thread.join. |
1124 |
> |
delay(millis); |
1125 |
> |
for (Thread thread : threads) |
1126 |
> |
assertTrue(thread.isAlive()); |
1127 |
> |
} catch (InterruptedException fail) { |
1128 |
> |
threadFail("Unexpected InterruptedException"); |
1129 |
> |
} |
1130 |
> |
} |
1131 |
> |
|
1132 |
> |
/** |
1133 |
> |
* Checks that future.get times out, with the default timeout of |
1134 |
> |
* {@code timeoutMillis()}. |
1135 |
> |
*/ |
1136 |
> |
void assertFutureTimesOut(Future future) { |
1137 |
> |
assertFutureTimesOut(future, timeoutMillis()); |
1138 |
> |
} |
1139 |
> |
|
1140 |
> |
/** |
1141 |
> |
* Checks that future.get times out, with the given millisecond timeout. |
1142 |
> |
*/ |
1143 |
> |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
1144 |
> |
long startTime = System.nanoTime(); |
1145 |
> |
try { |
1146 |
> |
future.get(timeoutMillis, MILLISECONDS); |
1147 |
> |
shouldThrow(); |
1148 |
> |
} catch (TimeoutException success) { |
1149 |
> |
} catch (Exception fail) { |
1150 |
> |
threadUnexpectedException(fail); |
1151 |
> |
} finally { future.cancel(true); } |
1152 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
1153 |
|
} |
1154 |
|
|
1155 |
|
/** |
1156 |
< |
* fail with message "Unexpected exception" |
1156 |
> |
* Fails with message "should throw exception". |
1157 |
|
*/ |
1158 |
< |
public void unexpectedException() { |
1159 |
< |
fail("Unexpected exception"); |
1158 |
> |
public void shouldThrow() { |
1159 |
> |
fail("Should throw exception"); |
1160 |
|
} |
1161 |
|
|
1162 |
|
/** |
1163 |
< |
* fail with message "Unexpected exception", with argument |
1163 |
> |
* Fails with message "should throw " + exceptionName. |
1164 |
|
*/ |
1165 |
< |
public void unexpectedException(Throwable ex) { |
1166 |
< |
ex.printStackTrace(); |
370 |
< |
fail("Unexpected exception: " + ex); |
1165 |
> |
public void shouldThrow(String exceptionName) { |
1166 |
> |
fail("Should throw " + exceptionName); |
1167 |
|
} |
1168 |
|
|
1169 |
+ |
/** |
1170 |
+ |
* The maximum number of consecutive spurious wakeups we should |
1171 |
+ |
* tolerate (from APIs like LockSupport.park) before failing a test. |
1172 |
+ |
*/ |
1173 |
+ |
static final int MAX_SPURIOUS_WAKEUPS = 10; |
1174 |
|
|
1175 |
|
/** |
1176 |
|
* The number of elements to place in collections, arrays, etc. |
1197 |
|
public static final Integer m6 = new Integer(-6); |
1198 |
|
public static final Integer m10 = new Integer(-10); |
1199 |
|
|
399 |
– |
|
1200 |
|
/** |
1201 |
|
* Runs Runnable r with a security policy that permits precisely |
1202 |
|
* the specified permissions. If there is no current security |
1208 |
|
SecurityManager sm = System.getSecurityManager(); |
1209 |
|
if (sm == null) { |
1210 |
|
r.run(); |
1211 |
+ |
} |
1212 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1213 |
+ |
} |
1214 |
+ |
|
1215 |
+ |
/** |
1216 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1217 |
+ |
* the specified permissions. If there is no current security |
1218 |
+ |
* manager, a temporary one is set for the duration of the |
1219 |
+ |
* Runnable. We require that any security manager permit |
1220 |
+ |
* getPolicy/setPolicy. |
1221 |
+ |
*/ |
1222 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1223 |
+ |
Permission... permissions) { |
1224 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1225 |
+ |
if (sm == null) { |
1226 |
|
Policy savedPolicy = Policy.getPolicy(); |
1227 |
|
try { |
1228 |
|
Policy.setPolicy(permissivePolicy()); |
1229 |
|
System.setSecurityManager(new SecurityManager()); |
1230 |
< |
runWithPermissions(r, permissions); |
1230 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1231 |
|
} finally { |
1232 |
|
System.setSecurityManager(null); |
1233 |
|
Policy.setPolicy(savedPolicy); |
1275 |
|
return perms.implies(p); |
1276 |
|
} |
1277 |
|
public void refresh() {} |
1278 |
+ |
public String toString() { |
1279 |
+ |
List<Permission> ps = new ArrayList<>(); |
1280 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1281 |
+ |
ps.add(e.nextElement()); |
1282 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1283 |
+ |
} |
1284 |
|
} |
1285 |
|
|
1286 |
|
/** |
1303 |
|
} |
1304 |
|
|
1305 |
|
/** |
1306 |
< |
* Sleep until the timeout has elapsed, or interrupted. |
1307 |
< |
* Does <em>NOT</em> throw InterruptedException. |
1306 |
> |
* Sleeps until the given time has elapsed. |
1307 |
> |
* Throws AssertionFailedError if interrupted. |
1308 |
|
*/ |
1309 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
1309 |
> |
static void sleep(long millis) { |
1310 |
|
try { |
1311 |
< |
Thread.sleep(timeoutMillis); |
1312 |
< |
} catch (InterruptedException wakeup) {} |
1311 |
> |
delay(millis); |
1312 |
> |
} catch (InterruptedException fail) { |
1313 |
> |
AssertionFailedError afe = |
1314 |
> |
new AssertionFailedError("Unexpected InterruptedException"); |
1315 |
> |
afe.initCause(fail); |
1316 |
> |
throw afe; |
1317 |
> |
} |
1318 |
|
} |
1319 |
|
|
1320 |
|
/** |
1321 |
< |
* Returns a new started Thread running the given runnable. |
1321 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1322 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1323 |
> |
*/ |
1324 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1325 |
> |
long startTime = 0L; |
1326 |
> |
for (;;) { |
1327 |
> |
Thread.State s = thread.getState(); |
1328 |
> |
if (s == Thread.State.BLOCKED || |
1329 |
> |
s == Thread.State.WAITING || |
1330 |
> |
s == Thread.State.TIMED_WAITING) |
1331 |
> |
return; |
1332 |
> |
else if (s == Thread.State.TERMINATED) |
1333 |
> |
fail("Unexpected thread termination"); |
1334 |
> |
else if (startTime == 0L) |
1335 |
> |
startTime = System.nanoTime(); |
1336 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1337 |
> |
threadAssertTrue(thread.isAlive()); |
1338 |
> |
fail("timed out waiting for thread to enter wait state"); |
1339 |
> |
} |
1340 |
> |
Thread.yield(); |
1341 |
> |
} |
1342 |
> |
} |
1343 |
> |
|
1344 |
> |
/** |
1345 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1346 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1347 |
> |
* and additionally satisfy the given condition. |
1348 |
> |
*/ |
1349 |
> |
void waitForThreadToEnterWaitState( |
1350 |
> |
Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) { |
1351 |
> |
long startTime = 0L; |
1352 |
> |
for (;;) { |
1353 |
> |
Thread.State s = thread.getState(); |
1354 |
> |
if (s == Thread.State.BLOCKED || |
1355 |
> |
s == Thread.State.WAITING || |
1356 |
> |
s == Thread.State.TIMED_WAITING) { |
1357 |
> |
try { |
1358 |
> |
if (waitingForGodot.call()) |
1359 |
> |
return; |
1360 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1361 |
> |
} |
1362 |
> |
else if (s == Thread.State.TERMINATED) |
1363 |
> |
fail("Unexpected thread termination"); |
1364 |
> |
else if (startTime == 0L) |
1365 |
> |
startTime = System.nanoTime(); |
1366 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1367 |
> |
threadAssertTrue(thread.isAlive()); |
1368 |
> |
fail("timed out waiting for thread to enter wait state"); |
1369 |
> |
} |
1370 |
> |
Thread.yield(); |
1371 |
> |
} |
1372 |
> |
} |
1373 |
> |
|
1374 |
> |
/** |
1375 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1376 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1377 |
> |
*/ |
1378 |
> |
void waitForThreadToEnterWaitState(Thread thread) { |
1379 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1380 |
> |
} |
1381 |
> |
|
1382 |
> |
/** |
1383 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1384 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1385 |
> |
* and additionally satisfy the given condition. |
1386 |
> |
*/ |
1387 |
> |
void waitForThreadToEnterWaitState( |
1388 |
> |
Thread thread, Callable<Boolean> waitingForGodot) { |
1389 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1390 |
> |
} |
1391 |
> |
|
1392 |
> |
/** |
1393 |
> |
* Returns the number of milliseconds since time given by |
1394 |
> |
* startNanoTime, which must have been previously returned from a |
1395 |
> |
* call to {@link System#nanoTime()}. |
1396 |
> |
*/ |
1397 |
> |
static long millisElapsedSince(long startNanoTime) { |
1398 |
> |
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1399 |
> |
} |
1400 |
> |
|
1401 |
> |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1402 |
> |
// long startTime = System.nanoTime(); |
1403 |
> |
// try { |
1404 |
> |
// r.run(); |
1405 |
> |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1406 |
> |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1407 |
> |
// throw new AssertionFailedError("did not return promptly"); |
1408 |
> |
// } |
1409 |
> |
|
1410 |
> |
// void assertTerminatesPromptly(Runnable r) { |
1411 |
> |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1412 |
> |
// } |
1413 |
> |
|
1414 |
> |
/** |
1415 |
> |
* Checks that timed f.get() returns the expected value, and does not |
1416 |
> |
* wait for the timeout to elapse before returning. |
1417 |
> |
*/ |
1418 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1419 |
> |
long startTime = System.nanoTime(); |
1420 |
> |
try { |
1421 |
> |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1422 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1423 |
> |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1424 |
> |
throw new AssertionFailedError("timed get did not return promptly"); |
1425 |
> |
} |
1426 |
> |
|
1427 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1428 |
> |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1429 |
> |
} |
1430 |
> |
|
1431 |
> |
/** |
1432 |
> |
* Returns a new started daemon Thread running the given runnable. |
1433 |
|
*/ |
1434 |
|
Thread newStartedThread(Runnable runnable) { |
1435 |
|
Thread t = new Thread(runnable); |
1436 |
+ |
t.setDaemon(true); |
1437 |
|
t.start(); |
1438 |
|
return t; |
1439 |
|
} |
1440 |
|
|
1441 |
+ |
/** |
1442 |
+ |
* Waits for the specified time (in milliseconds) for the thread |
1443 |
+ |
* to terminate (using {@link Thread#join(long)}), else interrupts |
1444 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1445 |
+ |
*/ |
1446 |
+ |
void awaitTermination(Thread t, long timeoutMillis) { |
1447 |
+ |
try { |
1448 |
+ |
t.join(timeoutMillis); |
1449 |
+ |
} catch (InterruptedException fail) { |
1450 |
+ |
threadUnexpectedException(fail); |
1451 |
+ |
} finally { |
1452 |
+ |
if (t.getState() != Thread.State.TERMINATED) { |
1453 |
+ |
t.interrupt(); |
1454 |
+ |
threadFail("timed out waiting for thread to terminate"); |
1455 |
+ |
} |
1456 |
+ |
} |
1457 |
+ |
} |
1458 |
+ |
|
1459 |
+ |
/** |
1460 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
1461 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
1462 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1463 |
+ |
*/ |
1464 |
+ |
void awaitTermination(Thread t) { |
1465 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
1466 |
+ |
} |
1467 |
+ |
|
1468 |
|
// Some convenient Runnable classes |
1469 |
|
|
1470 |
|
public abstract class CheckedRunnable implements Runnable { |
1473 |
|
public final void run() { |
1474 |
|
try { |
1475 |
|
realRun(); |
1476 |
< |
} catch (Throwable t) { |
1477 |
< |
threadUnexpectedException(t); |
1476 |
> |
} catch (Throwable fail) { |
1477 |
> |
threadUnexpectedException(fail); |
1478 |
|
} |
1479 |
|
} |
1480 |
|
} |
1527 |
|
realRun(); |
1528 |
|
threadShouldThrow("InterruptedException"); |
1529 |
|
} catch (InterruptedException success) { |
1530 |
< |
} catch (Throwable t) { |
1531 |
< |
threadUnexpectedException(t); |
1530 |
> |
threadAssertFalse(Thread.interrupted()); |
1531 |
> |
} catch (Throwable fail) { |
1532 |
> |
threadUnexpectedException(fail); |
1533 |
|
} |
1534 |
|
} |
1535 |
|
} |
1540 |
|
public final T call() { |
1541 |
|
try { |
1542 |
|
return realCall(); |
1543 |
< |
} catch (Throwable t) { |
1544 |
< |
threadUnexpectedException(t); |
1543 |
> |
} catch (Throwable fail) { |
1544 |
> |
threadUnexpectedException(fail); |
1545 |
> |
return null; |
1546 |
|
} |
580 |
– |
return null; |
1547 |
|
} |
1548 |
|
} |
1549 |
|
|
1550 |
< |
public abstract class CheckedInterruptedCallable<T> implements Callable<T> { |
1550 |
> |
public abstract class CheckedInterruptedCallable<T> |
1551 |
> |
implements Callable<T> { |
1552 |
|
protected abstract T realCall() throws Throwable; |
1553 |
|
|
1554 |
|
public final T call() { |
1557 |
|
threadShouldThrow("InterruptedException"); |
1558 |
|
return result; |
1559 |
|
} catch (InterruptedException success) { |
1560 |
< |
} catch (Throwable t) { |
1561 |
< |
threadUnexpectedException(t); |
1560 |
> |
threadAssertFalse(Thread.interrupted()); |
1561 |
> |
} catch (Throwable fail) { |
1562 |
> |
threadUnexpectedException(fail); |
1563 |
|
} |
1564 |
|
return null; |
1565 |
|
} |
1576 |
|
public static final String TEST_STRING = "a test string"; |
1577 |
|
|
1578 |
|
public static class StringTask implements Callable<String> { |
1579 |
< |
public String call() { return TEST_STRING; } |
1579 |
> |
final String value; |
1580 |
> |
public StringTask() { this(TEST_STRING); } |
1581 |
> |
public StringTask(String value) { this.value = value; } |
1582 |
> |
public String call() { return value; } |
1583 |
|
} |
1584 |
|
|
1585 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1586 |
|
return new CheckedCallable<String>() { |
1587 |
< |
public String realCall() { |
1587 |
> |
protected String realCall() { |
1588 |
|
try { |
1589 |
|
latch.await(); |
1590 |
|
} catch (InterruptedException quittingTime) {} |
1592 |
|
}}; |
1593 |
|
} |
1594 |
|
|
1595 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
1596 |
+ |
return new CheckedRunnable() { |
1597 |
+ |
public void realRun() throws InterruptedException { |
1598 |
+ |
latch.countDown(); |
1599 |
+ |
}}; |
1600 |
+ |
} |
1601 |
+ |
|
1602 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1603 |
+ |
static final int NEW = 0; |
1604 |
+ |
static final int RUNNING = 1; |
1605 |
+ |
static final int DONE = 2; |
1606 |
+ |
final CountDownLatch latch; |
1607 |
+ |
int state = NEW; |
1608 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1609 |
+ |
public void realRun() throws InterruptedException { |
1610 |
+ |
state = 1; |
1611 |
+ |
await(latch); |
1612 |
+ |
state = 2; |
1613 |
+ |
} |
1614 |
+ |
} |
1615 |
+ |
|
1616 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1617 |
+ |
return new LatchAwaiter(latch); |
1618 |
+ |
} |
1619 |
+ |
|
1620 |
+ |
public void await(CountDownLatch latch, long timeoutMillis) { |
1621 |
+ |
try { |
1622 |
+ |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1623 |
+ |
fail("timed out waiting for CountDownLatch for " |
1624 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1625 |
+ |
} catch (Throwable fail) { |
1626 |
+ |
threadUnexpectedException(fail); |
1627 |
+ |
} |
1628 |
+ |
} |
1629 |
+ |
|
1630 |
+ |
public void await(CountDownLatch latch) { |
1631 |
+ |
await(latch, LONG_DELAY_MS); |
1632 |
+ |
} |
1633 |
+ |
|
1634 |
+ |
public void await(Semaphore semaphore) { |
1635 |
+ |
try { |
1636 |
+ |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1637 |
+ |
fail("timed out waiting for Semaphore for " |
1638 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1639 |
+ |
} catch (Throwable fail) { |
1640 |
+ |
threadUnexpectedException(fail); |
1641 |
+ |
} |
1642 |
+ |
} |
1643 |
+ |
|
1644 |
+ |
public void await(CyclicBarrier barrier) { |
1645 |
+ |
try { |
1646 |
+ |
barrier.await(LONG_DELAY_MS, MILLISECONDS); |
1647 |
+ |
} catch (Throwable fail) { |
1648 |
+ |
threadUnexpectedException(fail); |
1649 |
+ |
} |
1650 |
+ |
} |
1651 |
+ |
|
1652 |
+ |
// /** |
1653 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1654 |
+ |
// */ |
1655 |
+ |
// public void await(AtomicBoolean flag) { |
1656 |
+ |
// await(flag, LONG_DELAY_MS); |
1657 |
+ |
// } |
1658 |
+ |
|
1659 |
+ |
// /** |
1660 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1661 |
+ |
// */ |
1662 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1663 |
+ |
// long startTime = System.nanoTime(); |
1664 |
+ |
// while (!flag.get()) { |
1665 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1666 |
+ |
// throw new AssertionFailedError("timed out"); |
1667 |
+ |
// Thread.yield(); |
1668 |
+ |
// } |
1669 |
+ |
// } |
1670 |
+ |
|
1671 |
|
public static class NPETask implements Callable<String> { |
1672 |
|
public String call() { throw new NullPointerException(); } |
1673 |
|
} |
1678 |
|
|
1679 |
|
public class ShortRunnable extends CheckedRunnable { |
1680 |
|
protected void realRun() throws Throwable { |
1681 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1681 |
> |
delay(SHORT_DELAY_MS); |
1682 |
|
} |
1683 |
|
} |
1684 |
|
|
1685 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1686 |
|
protected void realRun() throws InterruptedException { |
1687 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1687 |
> |
delay(SHORT_DELAY_MS); |
1688 |
|
} |
1689 |
|
} |
1690 |
|
|
1691 |
|
public class SmallRunnable extends CheckedRunnable { |
1692 |
|
protected void realRun() throws Throwable { |
1693 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1693 |
> |
delay(SMALL_DELAY_MS); |
1694 |
|
} |
1695 |
|
} |
1696 |
|
|
1697 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1698 |
|
protected void realRun() { |
1699 |
|
try { |
1700 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1700 |
> |
delay(SMALL_DELAY_MS); |
1701 |
|
} catch (InterruptedException ok) {} |
1702 |
|
} |
1703 |
|
} |
1704 |
|
|
1705 |
|
public class SmallCallable extends CheckedCallable { |
1706 |
|
protected Object realCall() throws InterruptedException { |
1707 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1707 |
> |
delay(SMALL_DELAY_MS); |
1708 |
|
return Boolean.TRUE; |
1709 |
|
} |
1710 |
|
} |
1711 |
|
|
665 |
– |
public class SmallInterruptedRunnable extends CheckedInterruptedRunnable { |
666 |
– |
protected void realRun() throws InterruptedException { |
667 |
– |
Thread.sleep(SMALL_DELAY_MS); |
668 |
– |
} |
669 |
– |
} |
670 |
– |
|
1712 |
|
public class MediumRunnable extends CheckedRunnable { |
1713 |
|
protected void realRun() throws Throwable { |
1714 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1714 |
> |
delay(MEDIUM_DELAY_MS); |
1715 |
|
} |
1716 |
|
} |
1717 |
|
|
1718 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1719 |
|
protected void realRun() throws InterruptedException { |
1720 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1720 |
> |
delay(MEDIUM_DELAY_MS); |
1721 |
|
} |
1722 |
|
} |
1723 |
|
|
1724 |
+ |
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1725 |
+ |
return new CheckedRunnable() { |
1726 |
+ |
protected void realRun() { |
1727 |
+ |
try { |
1728 |
+ |
delay(timeoutMillis); |
1729 |
+ |
} catch (InterruptedException ok) {} |
1730 |
+ |
}}; |
1731 |
+ |
} |
1732 |
+ |
|
1733 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1734 |
|
protected void realRun() { |
1735 |
|
try { |
1736 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1736 |
> |
delay(MEDIUM_DELAY_MS); |
1737 |
|
} catch (InterruptedException ok) {} |
1738 |
|
} |
1739 |
|
} |
1741 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1742 |
|
protected void realRun() { |
1743 |
|
try { |
1744 |
< |
Thread.sleep(LONG_DELAY_MS); |
1744 |
> |
delay(LONG_DELAY_MS); |
1745 |
|
} catch (InterruptedException ok) {} |
1746 |
|
} |
1747 |
|
} |
1755 |
|
} |
1756 |
|
} |
1757 |
|
|
1758 |
+ |
public interface TrackedRunnable extends Runnable { |
1759 |
+ |
boolean isDone(); |
1760 |
+ |
} |
1761 |
+ |
|
1762 |
+ |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1763 |
+ |
return new TrackedRunnable() { |
1764 |
+ |
private volatile boolean done = false; |
1765 |
+ |
public boolean isDone() { return done; } |
1766 |
+ |
public void run() { |
1767 |
+ |
try { |
1768 |
+ |
delay(timeoutMillis); |
1769 |
+ |
done = true; |
1770 |
+ |
} catch (InterruptedException ok) {} |
1771 |
+ |
} |
1772 |
+ |
}; |
1773 |
+ |
} |
1774 |
+ |
|
1775 |
|
public static class TrackedShortRunnable implements Runnable { |
1776 |
|
public volatile boolean done = false; |
1777 |
|
public void run() { |
1778 |
|
try { |
1779 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1779 |
> |
delay(SHORT_DELAY_MS); |
1780 |
> |
done = true; |
1781 |
> |
} catch (InterruptedException ok) {} |
1782 |
> |
} |
1783 |
> |
} |
1784 |
> |
|
1785 |
> |
public static class TrackedSmallRunnable implements Runnable { |
1786 |
> |
public volatile boolean done = false; |
1787 |
> |
public void run() { |
1788 |
> |
try { |
1789 |
> |
delay(SMALL_DELAY_MS); |
1790 |
|
done = true; |
1791 |
|
} catch (InterruptedException ok) {} |
1792 |
|
} |
1796 |
|
public volatile boolean done = false; |
1797 |
|
public void run() { |
1798 |
|
try { |
1799 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1799 |
> |
delay(MEDIUM_DELAY_MS); |
1800 |
|
done = true; |
1801 |
|
} catch (InterruptedException ok) {} |
1802 |
|
} |
1806 |
|
public volatile boolean done = false; |
1807 |
|
public void run() { |
1808 |
|
try { |
1809 |
< |
Thread.sleep(LONG_DELAY_MS); |
1809 |
> |
delay(LONG_DELAY_MS); |
1810 |
|
done = true; |
1811 |
|
} catch (InterruptedException ok) {} |
1812 |
|
} |
1823 |
|
public volatile boolean done = false; |
1824 |
|
public Object call() { |
1825 |
|
try { |
1826 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1826 |
> |
delay(SMALL_DELAY_MS); |
1827 |
|
done = true; |
1828 |
|
} catch (InterruptedException ok) {} |
1829 |
|
return Boolean.TRUE; |
1830 |
|
} |
1831 |
|
} |
1832 |
|
|
1833 |
+ |
/** |
1834 |
+ |
* Analog of CheckedRunnable for RecursiveAction |
1835 |
+ |
*/ |
1836 |
+ |
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1837 |
+ |
protected abstract void realCompute() throws Throwable; |
1838 |
+ |
|
1839 |
+ |
@Override protected final void compute() { |
1840 |
+ |
try { |
1841 |
+ |
realCompute(); |
1842 |
+ |
} catch (Throwable fail) { |
1843 |
+ |
threadUnexpectedException(fail); |
1844 |
+ |
} |
1845 |
+ |
} |
1846 |
+ |
} |
1847 |
+ |
|
1848 |
+ |
/** |
1849 |
+ |
* Analog of CheckedCallable for RecursiveTask |
1850 |
+ |
*/ |
1851 |
+ |
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1852 |
+ |
protected abstract T realCompute() throws Throwable; |
1853 |
+ |
|
1854 |
+ |
@Override protected final T compute() { |
1855 |
+ |
try { |
1856 |
+ |
return realCompute(); |
1857 |
+ |
} catch (Throwable fail) { |
1858 |
+ |
threadUnexpectedException(fail); |
1859 |
+ |
return null; |
1860 |
+ |
} |
1861 |
+ |
} |
1862 |
+ |
} |
1863 |
|
|
1864 |
|
/** |
1865 |
|
* For use as RejectedExecutionHandler in constructors |
1869 |
|
ThreadPoolExecutor executor) {} |
1870 |
|
} |
1871 |
|
|
1872 |
+ |
/** |
1873 |
+ |
* A CyclicBarrier that uses timed await and fails with |
1874 |
+ |
* AssertionFailedErrors instead of throwing checked exceptions. |
1875 |
+ |
*/ |
1876 |
+ |
public static class CheckedBarrier extends CyclicBarrier { |
1877 |
+ |
public CheckedBarrier(int parties) { super(parties); } |
1878 |
+ |
|
1879 |
+ |
public int await() { |
1880 |
+ |
try { |
1881 |
+ |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1882 |
+ |
} catch (TimeoutException timedOut) { |
1883 |
+ |
throw new AssertionFailedError("timed out"); |
1884 |
+ |
} catch (Exception fail) { |
1885 |
+ |
AssertionFailedError afe = |
1886 |
+ |
new AssertionFailedError("Unexpected exception: " + fail); |
1887 |
+ |
afe.initCause(fail); |
1888 |
+ |
throw afe; |
1889 |
+ |
} |
1890 |
+ |
} |
1891 |
+ |
} |
1892 |
+ |
|
1893 |
+ |
void checkEmpty(BlockingQueue q) { |
1894 |
+ |
try { |
1895 |
+ |
assertTrue(q.isEmpty()); |
1896 |
+ |
assertEquals(0, q.size()); |
1897 |
+ |
assertNull(q.peek()); |
1898 |
+ |
assertNull(q.poll()); |
1899 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1900 |
+ |
assertEquals(q.toString(), "[]"); |
1901 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1902 |
+ |
assertFalse(q.iterator().hasNext()); |
1903 |
+ |
try { |
1904 |
+ |
q.element(); |
1905 |
+ |
shouldThrow(); |
1906 |
+ |
} catch (NoSuchElementException success) {} |
1907 |
+ |
try { |
1908 |
+ |
q.iterator().next(); |
1909 |
+ |
shouldThrow(); |
1910 |
+ |
} catch (NoSuchElementException success) {} |
1911 |
+ |
try { |
1912 |
+ |
q.remove(); |
1913 |
+ |
shouldThrow(); |
1914 |
+ |
} catch (NoSuchElementException success) {} |
1915 |
+ |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1916 |
+ |
} |
1917 |
+ |
|
1918 |
+ |
void assertSerialEquals(Object x, Object y) { |
1919 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1920 |
+ |
} |
1921 |
+ |
|
1922 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1923 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1924 |
+ |
} |
1925 |
+ |
|
1926 |
+ |
byte[] serialBytes(Object o) { |
1927 |
+ |
try { |
1928 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1929 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1930 |
+ |
oos.writeObject(o); |
1931 |
+ |
oos.flush(); |
1932 |
+ |
oos.close(); |
1933 |
+ |
return bos.toByteArray(); |
1934 |
+ |
} catch (Throwable fail) { |
1935 |
+ |
threadUnexpectedException(fail); |
1936 |
+ |
return new byte[0]; |
1937 |
+ |
} |
1938 |
+ |
} |
1939 |
+ |
|
1940 |
+ |
void assertImmutable(final Object o) { |
1941 |
+ |
if (o instanceof Collection) { |
1942 |
+ |
assertThrows( |
1943 |
+ |
UnsupportedOperationException.class, |
1944 |
+ |
new Runnable() { public void run() { |
1945 |
+ |
((Collection) o).add(null);}}); |
1946 |
+ |
} |
1947 |
+ |
} |
1948 |
+ |
|
1949 |
+ |
@SuppressWarnings("unchecked") |
1950 |
+ |
<T> T serialClone(T o) { |
1951 |
+ |
try { |
1952 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1953 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1954 |
+ |
T clone = (T) ois.readObject(); |
1955 |
+ |
if (o == clone) assertImmutable(o); |
1956 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1957 |
+ |
return clone; |
1958 |
+ |
} catch (Throwable fail) { |
1959 |
+ |
threadUnexpectedException(fail); |
1960 |
+ |
return null; |
1961 |
+ |
} |
1962 |
+ |
} |
1963 |
+ |
|
1964 |
+ |
/** |
1965 |
+ |
* A version of serialClone that leaves error handling (for |
1966 |
+ |
* e.g. NotSerializableException) up to the caller. |
1967 |
+ |
*/ |
1968 |
+ |
@SuppressWarnings("unchecked") |
1969 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1970 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1971 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1972 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1973 |
+ |
oos.writeObject(o); |
1974 |
+ |
oos.flush(); |
1975 |
+ |
oos.close(); |
1976 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1977 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1978 |
+ |
T clone = (T) ois.readObject(); |
1979 |
+ |
if (o == clone) assertImmutable(o); |
1980 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1981 |
+ |
return clone; |
1982 |
+ |
} |
1983 |
+ |
|
1984 |
+ |
/** |
1985 |
+ |
* If o implements Cloneable and has a public clone method, |
1986 |
+ |
* returns a clone of o, else null. |
1987 |
+ |
*/ |
1988 |
+ |
@SuppressWarnings("unchecked") |
1989 |
+ |
<T> T cloneableClone(T o) { |
1990 |
+ |
if (!(o instanceof Cloneable)) return null; |
1991 |
+ |
final T clone; |
1992 |
+ |
try { |
1993 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1994 |
+ |
} catch (NoSuchMethodException ok) { |
1995 |
+ |
return null; |
1996 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1997 |
+ |
throw new Error(unexpected); |
1998 |
+ |
} |
1999 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
2000 |
+ |
assertSame(o.getClass(), clone.getClass()); |
2001 |
+ |
return clone; |
2002 |
+ |
} |
2003 |
+ |
|
2004 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
2005 |
+ |
Runnable... throwingActions) { |
2006 |
+ |
for (Runnable throwingAction : throwingActions) { |
2007 |
+ |
boolean threw = false; |
2008 |
+ |
try { throwingAction.run(); } |
2009 |
+ |
catch (Throwable t) { |
2010 |
+ |
threw = true; |
2011 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
2012 |
+ |
AssertionFailedError afe = |
2013 |
+ |
new AssertionFailedError |
2014 |
+ |
("Expected " + expectedExceptionClass.getName() + |
2015 |
+ |
", got " + t.getClass().getName()); |
2016 |
+ |
afe.initCause(t); |
2017 |
+ |
threadUnexpectedException(afe); |
2018 |
+ |
} |
2019 |
+ |
} |
2020 |
+ |
if (!threw) |
2021 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
2022 |
+ |
} |
2023 |
+ |
} |
2024 |
+ |
|
2025 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
2026 |
+ |
try { |
2027 |
+ |
it.next(); |
2028 |
+ |
shouldThrow(); |
2029 |
+ |
} catch (NoSuchElementException success) {} |
2030 |
+ |
assertFalse(it.hasNext()); |
2031 |
+ |
} |
2032 |
+ |
|
2033 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
2034 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
2035 |
+ |
} |
2036 |
+ |
|
2037 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
2038 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
2039 |
+ |
} |
2040 |
+ |
|
2041 |
+ |
/** A reusable thread pool to be shared by tests. */ |
2042 |
+ |
static final ExecutorService cachedThreadPool = |
2043 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
2044 |
+ |
1000L, MILLISECONDS, |
2045 |
+ |
new SynchronousQueue<Runnable>()); |
2046 |
+ |
|
2047 |
+ |
static <T> void shuffle(T[] array) { |
2048 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
2049 |
+ |
} |
2050 |
|
} |