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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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* 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 |
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* 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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/* |
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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 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.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.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.Deque; |
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import java.util.Enumeration; |
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import java.util.HashSet; |
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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.Set; |
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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.Executor; |
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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.FutureTask; |
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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.RejectedExecutionException; |
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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.ScheduledExecutorService; |
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import java.util.concurrent.ScheduledFuture; |
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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.TimeUnit; |
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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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* |
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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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* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
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* #threadAssertEquals}, or {@link #threadAssertNull}, (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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* <li>All code not running in the main test thread (manually spawned threads |
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* or the common fork join pool) must be checked for failure (and completion!). |
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* Mechanisms that can be used to ensure this are: |
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* <ol> |
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* <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch |
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* that the task completed normally, which is checked before returning from |
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* the test method in the main thread. |
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* <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue}, |
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* or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.) |
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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. |
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* <li>Recording failure explicitly using {@link #threadUnexpectedException} |
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* or {@link #threadRecordFailure}. |
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* <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above. |
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* </ol> |
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* |
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* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
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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 {@code |
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* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
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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> |
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* in one spot to rerun tests on slower platforms. |
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* |
152 |
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* <li> All threads generated must be joined inside each test case |
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* <li>All threads generated must be joined inside each test case |
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* method (or {@code fail} to do so) before returning from the |
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* method. The {@code joinPool} method can be used to do this when |
155 |
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* using Executors.</li> |
155 |
> |
* using Executors. |
156 |
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* |
157 |
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* </ol> |
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* |
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* <p><b>Other notes</b> |
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* <ul> |
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* |
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< |
* <li> Usually, there is one testcase method per JSR166 method |
162 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
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* covering "normal" operation, and then as many exception-testing |
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* methods as there are exceptions the method can throw. Sometimes |
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* there are multiple tests per JSR166 method when the different |
166 |
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* "normal" behaviors differ significantly. And sometimes testcases |
167 |
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* cover multiple methods when they cannot be tested in |
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* isolation.</li> |
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> |
* cover multiple methods when they cannot be tested in isolation. |
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* |
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< |
* <li> The documentation style for testcases is to provide as javadoc |
169 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
170 |
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* a simple sentence or two describing the property that the testcase |
171 |
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* method purports to test. The javadocs do not say anything about how |
172 |
< |
* the property is tested. To find out, read the code.</li> |
172 |
> |
* the property is tested. To find out, read the code. |
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* |
174 |
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* <li> These tests are "conformance tests", and do not attempt to |
174 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
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* test throughput, latency, scalability or other performance factors |
176 |
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* (see the separate "jtreg" tests for a set intended to check these |
177 |
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* for the most central aspects of functionality.) So, most tests use |
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* the smallest sensible numbers of threads, collection sizes, etc |
179 |
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* needed to check basic conformance.</li> |
179 |
> |
* needed to check basic conformance. |
180 |
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* |
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* <li>The test classes currently do not declare inclusion in |
182 |
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* any particular package to simplify things for people integrating |
183 |
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* them in TCK test suites.</li> |
183 |
> |
* them in TCK test suites. |
184 |
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* |
185 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
186 |
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* runs all JSR166 unit tests.</li> |
185 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
186 |
> |
* runs all JSR166 unit tests. |
187 |
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* |
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* </ul> |
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*/ |
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Integer.getInteger("jsr166.suiteRuns", 1); |
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|
230 |
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/** |
231 |
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* Returns the value of the system property, or NaN if not defined. |
232 |
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*/ |
233 |
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private static float systemPropertyValue(String name) { |
234 |
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String floatString = System.getProperty(name); |
235 |
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if (floatString == null) |
236 |
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return Float.NaN; |
237 |
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try { |
238 |
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return Float.parseFloat(floatString); |
239 |
+ |
} catch (NumberFormatException ex) { |
240 |
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throw new IllegalArgumentException( |
241 |
+ |
String.format("Bad float value in system property %s=%s", |
242 |
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name, floatString)); |
243 |
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} |
244 |
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} |
245 |
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|
246 |
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/** |
247 |
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* The scaling factor to apply to standard delays used in tests. |
248 |
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* May be initialized from any of: |
249 |
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* - the "jsr166.delay.factor" system property |
250 |
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* - the "test.timeout.factor" system property (as used by jtreg) |
251 |
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* See: http://openjdk.java.net/jtreg/tag-spec.html |
252 |
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* - hard-coded fuzz factor when using a known slowpoke VM |
253 |
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*/ |
254 |
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private static final float delayFactor = delayFactor(); |
255 |
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|
256 |
+ |
private static float delayFactor() { |
257 |
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float x; |
258 |
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if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
259 |
+ |
return x; |
260 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
261 |
+ |
return x; |
262 |
+ |
String prop = System.getProperty("java.vm.version"); |
263 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
264 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
265 |
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return 1.0f; |
266 |
+ |
} |
267 |
+ |
|
268 |
+ |
public JSR166TestCase() { super(); } |
269 |
+ |
public JSR166TestCase(String name) { super(name); } |
270 |
+ |
|
271 |
+ |
/** |
272 |
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* A filter for tests to run, matching strings of the form |
273 |
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* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
274 |
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* Usefully combined with jsr166.runsPerTest. |
280 |
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return (regex == null) ? null : Pattern.compile(regex); |
281 |
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} |
282 |
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|
283 |
< |
protected void runTest() throws Throwable { |
283 |
> |
// Instrumentation to debug very rare, but very annoying hung test runs. |
284 |
> |
static volatile TestCase currentTestCase; |
285 |
> |
// static volatile int currentRun = 0; |
286 |
> |
static { |
287 |
> |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
288 |
> |
// Avoid spurious reports with enormous runsPerTest. |
289 |
> |
// A single test case run should never take more than 1 second. |
290 |
> |
// But let's cap it at the high end too ... |
291 |
> |
final int timeoutMinutes = |
292 |
> |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
293 |
> |
for (TestCase lastTestCase = currentTestCase;;) { |
294 |
> |
try { MINUTES.sleep(timeoutMinutes); } |
295 |
> |
catch (InterruptedException unexpected) { break; } |
296 |
> |
if (lastTestCase == currentTestCase) { |
297 |
> |
System.err.printf( |
298 |
> |
"Looks like we're stuck running test: %s%n", |
299 |
> |
lastTestCase); |
300 |
> |
// System.err.printf( |
301 |
> |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
302 |
> |
// lastTestCase, currentRun, runsPerTest); |
303 |
> |
// System.err.println("availableProcessors=" + |
304 |
> |
// Runtime.getRuntime().availableProcessors()); |
305 |
> |
// System.err.printf("cpu model = %s%n", cpuModel()); |
306 |
> |
dumpTestThreads(); |
307 |
> |
// one stack dump is probably enough; more would be spam |
308 |
> |
break; |
309 |
> |
} |
310 |
> |
lastTestCase = currentTestCase; |
311 |
> |
}}}; |
312 |
> |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
313 |
> |
thread.setDaemon(true); |
314 |
> |
thread.start(); |
315 |
> |
} |
316 |
> |
|
317 |
> |
// public static String cpuModel() { |
318 |
> |
// try { |
319 |
> |
// java.util.regex.Matcher matcher |
320 |
> |
// = Pattern.compile("model name\\s*: (.*)") |
321 |
> |
// .matcher(new String( |
322 |
> |
// java.nio.file.Files.readAllBytes( |
323 |
> |
// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8")); |
324 |
> |
// matcher.find(); |
325 |
> |
// return matcher.group(1); |
326 |
> |
// } catch (Exception ex) { return null; } |
327 |
> |
// } |
328 |
> |
|
329 |
> |
public void runBare() throws Throwable { |
330 |
> |
currentTestCase = this; |
331 |
|
if (methodFilter == null |
332 |
< |
|| methodFilter.matcher(toString()).find()) { |
333 |
< |
for (int i = 0; i < runsPerTest; i++) { |
334 |
< |
if (profileTests) |
335 |
< |
runTestProfiled(); |
336 |
< |
else |
337 |
< |
super.runTest(); |
338 |
< |
} |
332 |
> |
|| methodFilter.matcher(toString()).find()) |
333 |
> |
super.runBare(); |
334 |
> |
} |
335 |
> |
|
336 |
> |
protected void runTest() throws Throwable { |
337 |
> |
for (int i = 0; i < runsPerTest; i++) { |
338 |
> |
// currentRun = i; |
339 |
> |
if (profileTests) |
340 |
> |
runTestProfiled(); |
341 |
> |
else |
342 |
> |
super.runTest(); |
343 |
|
} |
344 |
|
} |
345 |
|
|
346 |
|
protected void runTestProfiled() throws Throwable { |
347 |
< |
// Warmup run, notably to trigger all needed classloading. |
348 |
< |
super.runTest(); |
196 |
< |
long t0 = System.nanoTime(); |
197 |
< |
try { |
347 |
> |
for (int i = 0; i < 2; i++) { |
348 |
> |
long startTime = System.nanoTime(); |
349 |
|
super.runTest(); |
350 |
< |
} finally { |
351 |
< |
long elapsedMillis = millisElapsedSince(t0); |
352 |
< |
if (elapsedMillis >= profileThreshold) |
350 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
351 |
> |
if (elapsedMillis < profileThreshold) |
352 |
> |
break; |
353 |
> |
// Never report first run of any test; treat it as a |
354 |
> |
// warmup run, notably to trigger all needed classloading, |
355 |
> |
if (i > 0) |
356 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
357 |
|
} |
358 |
|
} |
364 |
|
main(suite(), args); |
365 |
|
} |
366 |
|
|
367 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
368 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
369 |
+ |
long runTime; |
370 |
+ |
public void startTest(Test test) {} |
371 |
+ |
protected void printHeader(long runTime) { |
372 |
+ |
this.runTime = runTime; // defer printing for later |
373 |
+ |
} |
374 |
+ |
protected void printFooter(TestResult result) { |
375 |
+ |
if (result.wasSuccessful()) { |
376 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
377 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
378 |
+ |
} else { |
379 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
380 |
+ |
super.printFooter(result); |
381 |
+ |
} |
382 |
+ |
} |
383 |
+ |
} |
384 |
+ |
|
385 |
+ |
/** |
386 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
387 |
+ |
* fluff, like printing a "." for each test case. |
388 |
+ |
*/ |
389 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
390 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
391 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
392 |
+ |
return runner; |
393 |
+ |
} |
394 |
+ |
|
395 |
|
/** |
396 |
|
* Runs all unit tests in the given test suite. |
397 |
|
* Actual behavior influenced by jsr166.* system properties. |
403 |
|
System.setSecurityManager(new SecurityManager()); |
404 |
|
} |
405 |
|
for (int i = 0; i < suiteRuns; i++) { |
406 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
406 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
407 |
|
if (!result.wasSuccessful()) |
408 |
|
System.exit(1); |
409 |
|
System.gc(); |
429 |
|
for (String testClassName : testClassNames) { |
430 |
|
try { |
431 |
|
Class<?> testClass = Class.forName(testClassName); |
432 |
< |
Method m = testClass.getDeclaredMethod("suite", |
251 |
< |
new Class<?>[0]); |
432 |
> |
Method m = testClass.getDeclaredMethod("suite"); |
433 |
|
suite.addTest(newTestSuite((Test)m.invoke(null))); |
434 |
< |
} catch (Exception e) { |
435 |
< |
throw new Error("Missing test class", e); |
434 |
> |
} catch (ReflectiveOperationException e) { |
435 |
> |
throw new AssertionError("Missing test class", e); |
436 |
|
} |
437 |
|
} |
438 |
|
} |
454 |
|
} |
455 |
|
} |
456 |
|
|
457 |
< |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
458 |
< |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
459 |
< |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
460 |
< |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
457 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
458 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
459 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
460 |
> |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
461 |
> |
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
462 |
> |
public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; } |
463 |
|
|
464 |
|
/** |
465 |
|
* Collects all JSR166 unit tests as one suite. |
480 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
481 |
|
ArrayBlockingQueueTest.suite(), |
482 |
|
ArrayDequeTest.suite(), |
483 |
+ |
ArrayListTest.suite(), |
484 |
|
AtomicBooleanTest.suite(), |
485 |
|
AtomicIntegerArrayTest.suite(), |
486 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
503 |
|
CopyOnWriteArrayListTest.suite(), |
504 |
|
CopyOnWriteArraySetTest.suite(), |
505 |
|
CountDownLatchTest.suite(), |
506 |
+ |
CountedCompleterTest.suite(), |
507 |
|
CyclicBarrierTest.suite(), |
508 |
|
DelayQueueTest.suite(), |
509 |
|
EntryTest.suite(), |
532 |
|
TreeMapTest.suite(), |
533 |
|
TreeSetTest.suite(), |
534 |
|
TreeSubMapTest.suite(), |
535 |
< |
TreeSubSetTest.suite()); |
535 |
> |
TreeSubSetTest.suite(), |
536 |
> |
VectorTest.suite()); |
537 |
|
|
538 |
|
// Java8+ test classes |
539 |
|
if (atLeastJava8()) { |
540 |
|
String[] java8TestClassNames = { |
541 |
+ |
"ArrayDeque8Test", |
542 |
|
"Atomic8Test", |
543 |
|
"CompletableFutureTest", |
544 |
|
"ConcurrentHashMap8Test", |
545 |
< |
"CountedCompleterTest", |
545 |
> |
"CountedCompleter8Test", |
546 |
|
"DoubleAccumulatorTest", |
547 |
|
"DoubleAdderTest", |
548 |
|
"ForkJoinPool8Test", |
549 |
|
"ForkJoinTask8Test", |
550 |
+ |
"HashMapTest", |
551 |
+ |
"LinkedBlockingDeque8Test", |
552 |
+ |
"LinkedBlockingQueue8Test", |
553 |
+ |
"LinkedHashMapTest", |
554 |
|
"LongAccumulatorTest", |
555 |
|
"LongAdderTest", |
556 |
|
"SplittableRandomTest", |
557 |
|
"StampedLockTest", |
558 |
+ |
"SubmissionPublisherTest", |
559 |
|
"ThreadLocalRandom8Test", |
560 |
+ |
"TimeUnit8Test", |
561 |
|
}; |
562 |
|
addNamedTestClasses(suite, java8TestClassNames); |
563 |
|
} |
565 |
|
// Java9+ test classes |
566 |
|
if (atLeastJava9()) { |
567 |
|
String[] java9TestClassNames = { |
568 |
< |
"ThreadPoolExecutor9Test", |
568 |
> |
"AtomicBoolean9Test", |
569 |
> |
"AtomicInteger9Test", |
570 |
> |
"AtomicIntegerArray9Test", |
571 |
> |
"AtomicLong9Test", |
572 |
> |
"AtomicLongArray9Test", |
573 |
> |
"AtomicReference9Test", |
574 |
> |
"AtomicReferenceArray9Test", |
575 |
> |
"ExecutorCompletionService9Test", |
576 |
> |
"ForkJoinPool9Test", |
577 |
|
}; |
578 |
|
addNamedTestClasses(suite, java9TestClassNames); |
579 |
|
} |
581 |
|
return suite; |
582 |
|
} |
583 |
|
|
584 |
+ |
/** Returns list of junit-style test method names in given class. */ |
585 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
586 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
587 |
+ |
ArrayList<String> names = new ArrayList<>(methods.length); |
588 |
+ |
for (Method method : methods) { |
589 |
+ |
if (method.getName().startsWith("test") |
590 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
591 |
+ |
// method.getParameterCount() requires jdk8+ |
592 |
+ |
&& method.getParameterTypes().length == 0) { |
593 |
+ |
names.add(method.getName()); |
594 |
+ |
} |
595 |
+ |
} |
596 |
+ |
return names; |
597 |
+ |
} |
598 |
+ |
|
599 |
+ |
/** |
600 |
+ |
* Returns junit-style testSuite for the given test class, but |
601 |
+ |
* parameterized by passing extra data to each test. |
602 |
+ |
*/ |
603 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
604 |
+ |
(Class<? extends JSR166TestCase> testClass, |
605 |
+ |
Class<ExtraData> dataClass, |
606 |
+ |
ExtraData data) { |
607 |
+ |
try { |
608 |
+ |
TestSuite suite = new TestSuite(); |
609 |
+ |
Constructor c = |
610 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
611 |
+ |
for (String methodName : testMethodNames(testClass)) |
612 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
613 |
+ |
return suite; |
614 |
+ |
} catch (ReflectiveOperationException e) { |
615 |
+ |
throw new AssertionError(e); |
616 |
+ |
} |
617 |
+ |
} |
618 |
+ |
|
619 |
+ |
/** |
620 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
621 |
+ |
* given test class, but parameterized by passing extra data to |
622 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
623 |
+ |
*/ |
624 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
625 |
+ |
(Class<? extends JSR166TestCase> testClass, |
626 |
+ |
Class<ExtraData> dataClass, |
627 |
+ |
ExtraData data) { |
628 |
+ |
if (atLeastJava8()) { |
629 |
+ |
String name = testClass.getName(); |
630 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
631 |
+ |
if (name.equals(name8)) throw new AssertionError(name); |
632 |
+ |
try { |
633 |
+ |
return (Test) |
634 |
+ |
Class.forName(name8) |
635 |
+ |
.getMethod("testSuite", dataClass) |
636 |
+ |
.invoke(null, data); |
637 |
+ |
} catch (ReflectiveOperationException e) { |
638 |
+ |
throw new AssertionError(e); |
639 |
+ |
} |
640 |
+ |
} else { |
641 |
+ |
return new TestSuite(); |
642 |
+ |
} |
643 |
+ |
} |
644 |
+ |
|
645 |
|
// Delays for timing-dependent tests, in milliseconds. |
646 |
|
|
647 |
|
public static long SHORT_DELAY_MS; |
649 |
|
public static long MEDIUM_DELAY_MS; |
650 |
|
public static long LONG_DELAY_MS; |
651 |
|
|
652 |
+ |
private static final long RANDOM_TIMEOUT; |
653 |
+ |
private static final long RANDOM_EXPIRED_TIMEOUT; |
654 |
+ |
private static final TimeUnit RANDOM_TIMEUNIT; |
655 |
+ |
static { |
656 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
657 |
+ |
long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE }; |
658 |
+ |
RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)]; |
659 |
+ |
RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)]; |
660 |
+ |
TimeUnit[] timeUnits = TimeUnit.values(); |
661 |
+ |
RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)]; |
662 |
+ |
} |
663 |
+ |
|
664 |
+ |
/** |
665 |
+ |
* Returns a timeout for use when any value at all will do. |
666 |
+ |
*/ |
667 |
+ |
static long randomTimeout() { return RANDOM_TIMEOUT; } |
668 |
+ |
|
669 |
+ |
/** |
670 |
+ |
* Returns a timeout that means "no waiting", i.e. not positive. |
671 |
+ |
*/ |
672 |
+ |
static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; } |
673 |
+ |
|
674 |
+ |
/** |
675 |
+ |
* Returns a random non-null TimeUnit. |
676 |
+ |
*/ |
677 |
+ |
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
678 |
+ |
|
679 |
|
/** |
680 |
< |
* Returns the shortest timed delay. This could |
681 |
< |
* be reimplemented to use for example a Property. |
680 |
> |
* Returns the shortest timed delay. This can be scaled up for |
681 |
> |
* slow machines using the jsr166.delay.factor system property, |
682 |
> |
* or via jtreg's -timeoutFactor: flag. |
683 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
684 |
|
*/ |
685 |
|
protected long getShortDelay() { |
686 |
< |
return 50; |
686 |
> |
return (long) (50 * delayFactor); |
687 |
|
} |
688 |
|
|
689 |
|
/** |
696 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
697 |
|
} |
698 |
|
|
699 |
+ |
private static final long TIMEOUT_DELAY_MS |
700 |
+ |
= (long) (12.0 * Math.cbrt(delayFactor)); |
701 |
+ |
|
702 |
|
/** |
703 |
< |
* Returns a timeout in milliseconds to be used in tests that |
704 |
< |
* verify that operations block or time out. |
703 |
> |
* Returns a timeout in milliseconds to be used in tests that verify |
704 |
> |
* that operations block or time out. We want this to be longer |
705 |
> |
* than the OS scheduling quantum, but not too long, so don't scale |
706 |
> |
* linearly with delayFactor; we use "crazy" cube root instead. |
707 |
|
*/ |
708 |
< |
long timeoutMillis() { |
709 |
< |
return SHORT_DELAY_MS / 4; |
708 |
> |
static long timeoutMillis() { |
709 |
> |
return TIMEOUT_DELAY_MS; |
710 |
|
} |
711 |
|
|
712 |
|
/** |
713 |
< |
* Returns a new Date instance representing a time delayMillis |
714 |
< |
* milliseconds in the future. |
713 |
> |
* Returns a new Date instance representing a time at least |
714 |
> |
* delayMillis milliseconds in the future. |
715 |
|
*/ |
716 |
|
Date delayedDate(long delayMillis) { |
717 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
717 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
718 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
719 |
|
} |
720 |
|
|
721 |
|
/** |
722 |
|
* The first exception encountered if any threadAssertXXX method fails. |
723 |
|
*/ |
724 |
|
private final AtomicReference<Throwable> threadFailure |
725 |
< |
= new AtomicReference<Throwable>(null); |
725 |
> |
= new AtomicReference<>(null); |
726 |
|
|
727 |
|
/** |
728 |
|
* Records an exception so that it can be rethrown later in the test |
731 |
|
* the same test have no effect. |
732 |
|
*/ |
733 |
|
public void threadRecordFailure(Throwable t) { |
734 |
+ |
System.err.println(t); |
735 |
+ |
dumpTestThreads(); |
736 |
|
threadFailure.compareAndSet(null, t); |
737 |
|
} |
738 |
|
|
740 |
|
setDelays(); |
741 |
|
} |
742 |
|
|
743 |
+ |
void tearDownFail(String format, Object... args) { |
744 |
+ |
String msg = toString() + ": " + String.format(format, args); |
745 |
+ |
System.err.println(msg); |
746 |
+ |
dumpTestThreads(); |
747 |
+ |
throw new AssertionError(msg); |
748 |
+ |
} |
749 |
+ |
|
750 |
|
/** |
751 |
|
* Extra checks that get done for all test cases. |
752 |
|
* |
765 |
|
throw (RuntimeException) t; |
766 |
|
else if (t instanceof Exception) |
767 |
|
throw (Exception) t; |
768 |
< |
else { |
769 |
< |
AssertionFailedError afe = |
464 |
< |
new AssertionFailedError(t.toString()); |
465 |
< |
afe.initCause(t); |
466 |
< |
throw afe; |
467 |
< |
} |
768 |
> |
else |
769 |
> |
throw new AssertionError(t.toString(), t); |
770 |
|
} |
771 |
|
|
772 |
|
if (Thread.interrupted()) |
773 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
773 |
> |
tearDownFail("interrupt status set in main thread"); |
774 |
|
|
775 |
|
checkForkJoinPoolThreadLeaks(); |
776 |
|
} |
777 |
|
|
778 |
|
/** |
779 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
779 |
> |
* Finds missing PoolCleaners |
780 |
|
*/ |
781 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
782 |
< |
Thread[] survivors = new Thread[5]; |
782 |
> |
Thread[] survivors = new Thread[7]; |
783 |
|
int count = Thread.enumerate(survivors); |
784 |
|
for (int i = 0; i < count; i++) { |
785 |
|
Thread thread = survivors[i]; |
787 |
|
if (name.startsWith("ForkJoinPool-")) { |
788 |
|
// give thread some time to terminate |
789 |
|
thread.join(LONG_DELAY_MS); |
790 |
< |
if (!thread.isAlive()) continue; |
791 |
< |
throw new AssertionFailedError |
792 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
491 |
< |
toString(), name)); |
790 |
> |
if (thread.isAlive()) |
791 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
792 |
> |
thread); |
793 |
|
} |
794 |
|
} |
795 |
+ |
|
796 |
+ |
if (!ForkJoinPool.commonPool() |
797 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
798 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
799 |
|
} |
800 |
|
|
801 |
|
/** |
802 |
|
* Just like fail(reason), but additionally recording (using |
803 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
804 |
< |
* the current testcase will fail. |
803 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
804 |
> |
* current testcase will fail. |
805 |
|
*/ |
806 |
|
public void threadFail(String reason) { |
807 |
|
try { |
808 |
|
fail(reason); |
809 |
< |
} catch (AssertionFailedError t) { |
810 |
< |
threadRecordFailure(t); |
811 |
< |
fail(reason); |
809 |
> |
} catch (AssertionError fail) { |
810 |
> |
threadRecordFailure(fail); |
811 |
> |
throw fail; |
812 |
|
} |
813 |
|
} |
814 |
|
|
815 |
|
/** |
816 |
|
* Just like assertTrue(b), but additionally recording (using |
817 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
818 |
< |
* the current testcase will fail. |
817 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
818 |
> |
* current testcase will fail. |
819 |
|
*/ |
820 |
|
public void threadAssertTrue(boolean b) { |
821 |
|
try { |
822 |
|
assertTrue(b); |
823 |
< |
} catch (AssertionFailedError t) { |
824 |
< |
threadRecordFailure(t); |
825 |
< |
throw t; |
823 |
> |
} catch (AssertionError fail) { |
824 |
> |
threadRecordFailure(fail); |
825 |
> |
throw fail; |
826 |
|
} |
827 |
|
} |
828 |
|
|
829 |
|
/** |
830 |
|
* Just like assertFalse(b), but additionally recording (using |
831 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
832 |
< |
* the current testcase will fail. |
831 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
832 |
> |
* current testcase will fail. |
833 |
|
*/ |
834 |
|
public void threadAssertFalse(boolean b) { |
835 |
|
try { |
836 |
|
assertFalse(b); |
837 |
< |
} catch (AssertionFailedError t) { |
838 |
< |
threadRecordFailure(t); |
839 |
< |
throw t; |
837 |
> |
} catch (AssertionError fail) { |
838 |
> |
threadRecordFailure(fail); |
839 |
> |
throw fail; |
840 |
|
} |
841 |
|
} |
842 |
|
|
843 |
|
/** |
844 |
|
* Just like assertNull(x), but additionally recording (using |
845 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
846 |
< |
* the current testcase will fail. |
845 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
846 |
> |
* current testcase will fail. |
847 |
|
*/ |
848 |
|
public void threadAssertNull(Object x) { |
849 |
|
try { |
850 |
|
assertNull(x); |
851 |
< |
} catch (AssertionFailedError t) { |
852 |
< |
threadRecordFailure(t); |
853 |
< |
throw t; |
851 |
> |
} catch (AssertionError fail) { |
852 |
> |
threadRecordFailure(fail); |
853 |
> |
throw fail; |
854 |
|
} |
855 |
|
} |
856 |
|
|
857 |
|
/** |
858 |
|
* Just like assertEquals(x, y), but additionally recording (using |
859 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
860 |
< |
* the current testcase will fail. |
859 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
860 |
> |
* current testcase will fail. |
861 |
|
*/ |
862 |
|
public void threadAssertEquals(long x, long y) { |
863 |
|
try { |
864 |
|
assertEquals(x, y); |
865 |
< |
} catch (AssertionFailedError t) { |
866 |
< |
threadRecordFailure(t); |
867 |
< |
throw t; |
865 |
> |
} catch (AssertionError fail) { |
866 |
> |
threadRecordFailure(fail); |
867 |
> |
throw fail; |
868 |
|
} |
869 |
|
} |
870 |
|
|
871 |
|
/** |
872 |
|
* Just like assertEquals(x, y), but additionally recording (using |
873 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
874 |
< |
* the current testcase will fail. |
873 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
874 |
> |
* current testcase will fail. |
875 |
|
*/ |
876 |
|
public void threadAssertEquals(Object x, Object y) { |
877 |
|
try { |
878 |
|
assertEquals(x, y); |
879 |
< |
} catch (AssertionFailedError fail) { |
879 |
> |
} catch (AssertionError fail) { |
880 |
|
threadRecordFailure(fail); |
881 |
|
throw fail; |
882 |
|
} catch (Throwable fail) { |
886 |
|
|
887 |
|
/** |
888 |
|
* Just like assertSame(x, y), but additionally recording (using |
889 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
890 |
< |
* the current testcase will fail. |
889 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
890 |
> |
* current testcase will fail. |
891 |
|
*/ |
892 |
|
public void threadAssertSame(Object x, Object y) { |
893 |
|
try { |
894 |
|
assertSame(x, y); |
895 |
< |
} catch (AssertionFailedError fail) { |
895 |
> |
} catch (AssertionError fail) { |
896 |
|
threadRecordFailure(fail); |
897 |
|
throw fail; |
898 |
|
} |
914 |
|
|
915 |
|
/** |
916 |
|
* Records the given exception using {@link #threadRecordFailure}, |
917 |
< |
* then rethrows the exception, wrapping it in an |
918 |
< |
* AssertionFailedError if necessary. |
917 |
> |
* then rethrows the exception, wrapping it in an AssertionError |
918 |
> |
* if necessary. |
919 |
|
*/ |
920 |
|
public void threadUnexpectedException(Throwable t) { |
921 |
|
threadRecordFailure(t); |
924 |
|
throw (RuntimeException) t; |
925 |
|
else if (t instanceof Error) |
926 |
|
throw (Error) t; |
927 |
< |
else { |
928 |
< |
AssertionFailedError afe = |
624 |
< |
new AssertionFailedError("unexpected exception: " + t); |
625 |
< |
afe.initCause(t); |
626 |
< |
throw afe; |
627 |
< |
} |
927 |
> |
else |
928 |
> |
throw new AssertionError("unexpected exception: " + t, t); |
929 |
|
} |
930 |
|
|
931 |
|
/** |
932 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
933 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
934 |
< |
* until time elapses. |
934 |
> |
* until time elapses. Ensures that the given time, as measured |
935 |
> |
* by System.nanoTime(), has elapsed. |
936 |
|
*/ |
937 |
|
static void delay(long millis) throws InterruptedException { |
938 |
< |
long startTime = System.nanoTime(); |
939 |
< |
long ns = millis * 1000 * 1000; |
940 |
< |
for (;;) { |
938 |
> |
long nanos = millis * (1000 * 1000); |
939 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
940 |
> |
do { |
941 |
|
if (millis > 0L) |
942 |
|
Thread.sleep(millis); |
943 |
|
else // too short to sleep |
944 |
|
Thread.yield(); |
945 |
< |
long d = ns - (System.nanoTime() - startTime); |
946 |
< |
if (d > 0L) |
947 |
< |
millis = d / (1000 * 1000); |
948 |
< |
else |
949 |
< |
break; |
945 |
> |
nanos = wakeupTime - System.nanoTime(); |
946 |
> |
millis = nanos / (1000 * 1000); |
947 |
> |
} while (nanos >= 0L); |
948 |
> |
} |
949 |
> |
|
950 |
> |
/** |
951 |
> |
* Allows use of try-with-resources with per-test thread pools. |
952 |
> |
*/ |
953 |
> |
class PoolCleaner implements AutoCloseable { |
954 |
> |
private final ExecutorService pool; |
955 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
956 |
> |
public void close() { joinPool(pool); } |
957 |
> |
} |
958 |
> |
|
959 |
> |
/** |
960 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
961 |
> |
*/ |
962 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
963 |
> |
private final Runnable releaser; |
964 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
965 |
> |
super(pool); |
966 |
> |
this.releaser = releaser; |
967 |
> |
} |
968 |
> |
public void close() { |
969 |
> |
try { |
970 |
> |
releaser.run(); |
971 |
> |
} finally { |
972 |
> |
super.close(); |
973 |
> |
} |
974 |
|
} |
975 |
|
} |
976 |
|
|
977 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
978 |
+ |
return new PoolCleaner(pool); |
979 |
+ |
} |
980 |
+ |
|
981 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
982 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
983 |
+ |
} |
984 |
+ |
|
985 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
986 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
987 |
+ |
} |
988 |
+ |
|
989 |
+ |
Runnable releaser(final CountDownLatch latch) { |
990 |
+ |
return new Runnable() { public void run() { |
991 |
+ |
do { latch.countDown(); } |
992 |
+ |
while (latch.getCount() > 0); |
993 |
+ |
}}; |
994 |
+ |
} |
995 |
+ |
|
996 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
997 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
998 |
+ |
} |
999 |
+ |
|
1000 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
1001 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
1002 |
+ |
} |
1003 |
+ |
|
1004 |
|
/** |
1005 |
|
* Waits out termination of a thread pool or fails doing so. |
1006 |
|
*/ |
1007 |
< |
void joinPool(ExecutorService exec) { |
1007 |
> |
void joinPool(ExecutorService pool) { |
1008 |
|
try { |
1009 |
< |
exec.shutdown(); |
1010 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
1011 |
< |
fail("ExecutorService " + exec + |
1012 |
< |
" did not terminate in a timely manner"); |
1009 |
> |
pool.shutdown(); |
1010 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
1011 |
> |
try { |
1012 |
> |
threadFail("ExecutorService " + pool + |
1013 |
> |
" did not terminate in a timely manner"); |
1014 |
> |
} finally { |
1015 |
> |
// last resort, for the benefit of subsequent tests |
1016 |
> |
pool.shutdownNow(); |
1017 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
1018 |
> |
} |
1019 |
> |
} |
1020 |
|
} catch (SecurityException ok) { |
1021 |
|
// Allowed in case test doesn't have privs |
1022 |
|
} catch (InterruptedException fail) { |
1023 |
< |
fail("Unexpected InterruptedException"); |
1023 |
> |
threadFail("Unexpected InterruptedException"); |
1024 |
|
} |
1025 |
|
} |
1026 |
|
|
1027 |
|
/** |
1028 |
< |
* A debugging tool to print all stack traces, as jstack does. |
1028 |
> |
* Like Runnable, but with the freedom to throw anything. |
1029 |
> |
* junit folks had the same idea: |
1030 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
1031 |
|
*/ |
1032 |
< |
static void printAllStackTraces() { |
671 |
< |
for (ThreadInfo info : |
672 |
< |
ManagementFactory.getThreadMXBean() |
673 |
< |
.dumpAllThreads(true, true)) |
674 |
< |
System.err.print(info); |
675 |
< |
} |
1032 |
> |
interface Action { public void run() throws Throwable; } |
1033 |
|
|
1034 |
|
/** |
1035 |
< |
* Checks that thread does not terminate within the default |
1036 |
< |
* millisecond delay of {@code timeoutMillis()}. |
1035 |
> |
* Runs all the given actions in parallel, failing if any fail. |
1036 |
> |
* Useful for running multiple variants of tests that are |
1037 |
> |
* necessarily individually slow because they must block. |
1038 |
|
*/ |
1039 |
< |
void assertThreadStaysAlive(Thread thread) { |
1040 |
< |
assertThreadStaysAlive(thread, timeoutMillis()); |
1039 |
> |
void testInParallel(Action ... actions) { |
1040 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
1041 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
1042 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1043 |
> |
for (final Action action : actions) |
1044 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
1045 |
> |
public void realRun() throws Throwable { action.run();}})); |
1046 |
> |
for (Future<?> future : futures) |
1047 |
> |
try { |
1048 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
1049 |
> |
} catch (ExecutionException ex) { |
1050 |
> |
threadUnexpectedException(ex.getCause()); |
1051 |
> |
} catch (Exception ex) { |
1052 |
> |
threadUnexpectedException(ex); |
1053 |
> |
} |
1054 |
> |
} |
1055 |
|
} |
1056 |
|
|
1057 |
|
/** |
1058 |
< |
* Checks that thread does not terminate within the given millisecond delay. |
1058 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
1059 |
> |
* Uninteresting threads are filtered out. |
1060 |
|
*/ |
1061 |
< |
void assertThreadStaysAlive(Thread thread, long millis) { |
1062 |
< |
try { |
1063 |
< |
// No need to optimize the failing case via Thread.join. |
1064 |
< |
delay(millis); |
1065 |
< |
assertTrue(thread.isAlive()); |
1066 |
< |
} catch (InterruptedException fail) { |
1067 |
< |
fail("Unexpected InterruptedException"); |
1061 |
> |
static void dumpTestThreads() { |
1062 |
> |
SecurityManager sm = System.getSecurityManager(); |
1063 |
> |
if (sm != null) { |
1064 |
> |
try { |
1065 |
> |
System.setSecurityManager(null); |
1066 |
> |
} catch (SecurityException giveUp) { |
1067 |
> |
return; |
1068 |
> |
} |
1069 |
|
} |
696 |
– |
} |
1070 |
|
|
1071 |
< |
/** |
1072 |
< |
* Checks that the threads do not terminate within the default |
1073 |
< |
* millisecond delay of {@code timeoutMillis()}. |
1074 |
< |
*/ |
1075 |
< |
void assertThreadsStayAlive(Thread... threads) { |
1076 |
< |
assertThreadsStayAlive(timeoutMillis(), threads); |
1071 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1072 |
> |
System.err.println("------ stacktrace dump start ------"); |
1073 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1074 |
> |
final String name = info.getThreadName(); |
1075 |
> |
String lockName; |
1076 |
> |
if ("Signal Dispatcher".equals(name)) |
1077 |
> |
continue; |
1078 |
> |
if ("Reference Handler".equals(name) |
1079 |
> |
&& (lockName = info.getLockName()) != null |
1080 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1081 |
> |
continue; |
1082 |
> |
if ("Finalizer".equals(name) |
1083 |
> |
&& (lockName = info.getLockName()) != null |
1084 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1085 |
> |
continue; |
1086 |
> |
if ("checkForWedgedTest".equals(name)) |
1087 |
> |
continue; |
1088 |
> |
System.err.print(info); |
1089 |
> |
} |
1090 |
> |
System.err.println("------ stacktrace dump end ------"); |
1091 |
> |
|
1092 |
> |
if (sm != null) System.setSecurityManager(sm); |
1093 |
|
} |
1094 |
|
|
1095 |
|
/** |
1096 |
< |
* Checks that the threads do not terminate within the given millisecond delay. |
1096 |
> |
* Checks that thread eventually enters the expected blocked thread state. |
1097 |
|
*/ |
1098 |
< |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1099 |
< |
try { |
1100 |
< |
// No need to optimize the failing case via Thread.join. |
1101 |
< |
delay(millis); |
1102 |
< |
for (Thread thread : threads) |
1103 |
< |
assertTrue(thread.isAlive()); |
1104 |
< |
} catch (InterruptedException fail) { |
1105 |
< |
fail("Unexpected InterruptedException"); |
1098 |
> |
void assertThreadBlocks(Thread thread, Thread.State expected) { |
1099 |
> |
// always sleep at least 1 ms, with high probability avoiding |
1100 |
> |
// transitory states |
1101 |
> |
for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) { |
1102 |
> |
try { delay(1); } |
1103 |
> |
catch (InterruptedException fail) { |
1104 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1105 |
> |
} |
1106 |
> |
Thread.State s = thread.getState(); |
1107 |
> |
if (s == expected) |
1108 |
> |
return; |
1109 |
> |
else if (s == Thread.State.TERMINATED) |
1110 |
> |
fail("Unexpected thread termination"); |
1111 |
|
} |
1112 |
+ |
fail("timed out waiting for thread to enter thread state " + expected); |
1113 |
|
} |
1114 |
|
|
1115 |
|
/** |
1150 |
|
} |
1151 |
|
|
1152 |
|
/** |
1153 |
+ |
* The maximum number of consecutive spurious wakeups we should |
1154 |
+ |
* tolerate (from APIs like LockSupport.park) before failing a test. |
1155 |
+ |
*/ |
1156 |
+ |
static final int MAX_SPURIOUS_WAKEUPS = 10; |
1157 |
+ |
|
1158 |
+ |
/** |
1159 |
|
* The number of elements to place in collections, arrays, etc. |
1160 |
|
*/ |
1161 |
|
public static final int SIZE = 20; |
1259 |
|
} |
1260 |
|
public void refresh() {} |
1261 |
|
public String toString() { |
1262 |
< |
List<Permission> ps = new ArrayList<Permission>(); |
1262 |
> |
List<Permission> ps = new ArrayList<>(); |
1263 |
|
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1264 |
|
ps.add(e.nextElement()); |
1265 |
|
return "AdjustablePolicy with permissions " + ps; |
1287 |
|
|
1288 |
|
/** |
1289 |
|
* Sleeps until the given time has elapsed. |
1290 |
< |
* Throws AssertionFailedError if interrupted. |
1290 |
> |
* Throws AssertionError if interrupted. |
1291 |
|
*/ |
1292 |
< |
void sleep(long millis) { |
1292 |
> |
static void sleep(long millis) { |
1293 |
|
try { |
1294 |
|
delay(millis); |
1295 |
|
} catch (InterruptedException fail) { |
1296 |
< |
AssertionFailedError afe = |
896 |
< |
new AssertionFailedError("Unexpected InterruptedException"); |
897 |
< |
afe.initCause(fail); |
898 |
< |
throw afe; |
1296 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1297 |
|
} |
1298 |
|
} |
1299 |
|
|
1300 |
|
/** |
1301 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1302 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1303 |
+ |
* @param waitingForGodot if non-null, an additional condition to satisfy |
1304 |
|
*/ |
1305 |
< |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1306 |
< |
long startTime = System.nanoTime(); |
1307 |
< |
for (;;) { |
1308 |
< |
Thread.State s = thread.getState(); |
1309 |
< |
if (s == Thread.State.BLOCKED || |
1310 |
< |
s == Thread.State.WAITING || |
1311 |
< |
s == Thread.State.TIMED_WAITING) |
1312 |
< |
return; |
1313 |
< |
else if (s == Thread.State.TERMINATED) |
1305 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis, |
1306 |
> |
Callable<Boolean> waitingForGodot) { |
1307 |
> |
for (long startTime = 0L;;) { |
1308 |
> |
switch (thread.getState()) { |
1309 |
> |
default: break; |
1310 |
> |
case BLOCKED: case WAITING: case TIMED_WAITING: |
1311 |
> |
try { |
1312 |
> |
if (waitingForGodot == null || waitingForGodot.call()) |
1313 |
> |
return; |
1314 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1315 |
> |
break; |
1316 |
> |
case TERMINATED: |
1317 |
|
fail("Unexpected thread termination"); |
1318 |
+ |
} |
1319 |
+ |
|
1320 |
+ |
if (startTime == 0L) |
1321 |
+ |
startTime = System.nanoTime(); |
1322 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1323 |
< |
threadAssertTrue(thread.isAlive()); |
1324 |
< |
return; |
1323 |
> |
assertTrue(thread.isAlive()); |
1324 |
> |
if (waitingForGodot == null |
1325 |
> |
|| thread.getState() == Thread.State.RUNNABLE) |
1326 |
> |
fail("timed out waiting for thread to enter wait state"); |
1327 |
> |
else |
1328 |
> |
fail("timed out waiting for condition, thread state=" |
1329 |
> |
+ thread.getState()); |
1330 |
|
} |
1331 |
|
Thread.yield(); |
1332 |
|
} |
1333 |
|
} |
1334 |
|
|
1335 |
|
/** |
1336 |
< |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1337 |
< |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1336 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1337 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1338 |
> |
*/ |
1339 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1340 |
> |
waitForThreadToEnterWaitState(thread, timeoutMillis, null); |
1341 |
> |
} |
1342 |
> |
|
1343 |
> |
/** |
1344 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1345 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1346 |
|
*/ |
1347 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1348 |
< |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1348 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null); |
1349 |
> |
} |
1350 |
> |
|
1351 |
> |
/** |
1352 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1353 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1354 |
> |
* and additionally satisfy the given condition. |
1355 |
> |
*/ |
1356 |
> |
void waitForThreadToEnterWaitState(Thread thread, |
1357 |
> |
Callable<Boolean> waitingForGodot) { |
1358 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1359 |
|
} |
1360 |
|
|
1361 |
|
/** |
1373 |
|
// r.run(); |
1374 |
|
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1375 |
|
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1376 |
< |
// throw new AssertionFailedError("did not return promptly"); |
1376 |
> |
// throw new AssertionError("did not return promptly"); |
1377 |
|
// } |
1378 |
|
|
1379 |
|
// void assertTerminatesPromptly(Runnable r) { |
1386 |
|
*/ |
1387 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1388 |
|
long startTime = System.nanoTime(); |
1389 |
+ |
T actual = null; |
1390 |
|
try { |
1391 |
< |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1391 |
> |
actual = f.get(timeoutMillis, MILLISECONDS); |
1392 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1393 |
+ |
assertEquals(expectedValue, actual); |
1394 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1395 |
< |
throw new AssertionFailedError("timed get did not return promptly"); |
1395 |
> |
throw new AssertionError("timed get did not return promptly"); |
1396 |
|
} |
1397 |
|
|
1398 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1422 |
|
} finally { |
1423 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1424 |
|
t.interrupt(); |
1425 |
< |
fail("Test timed out"); |
1425 |
> |
threadFail("timed out waiting for thread to terminate"); |
1426 |
|
} |
1427 |
|
} |
1428 |
|
} |
1450 |
|
} |
1451 |
|
} |
1452 |
|
|
1022 |
– |
public abstract class RunnableShouldThrow implements Runnable { |
1023 |
– |
protected abstract void realRun() throws Throwable; |
1024 |
– |
|
1025 |
– |
final Class<?> exceptionClass; |
1026 |
– |
|
1027 |
– |
<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) { |
1028 |
– |
this.exceptionClass = exceptionClass; |
1029 |
– |
} |
1030 |
– |
|
1031 |
– |
public final void run() { |
1032 |
– |
try { |
1033 |
– |
realRun(); |
1034 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1035 |
– |
} catch (Throwable t) { |
1036 |
– |
if (! exceptionClass.isInstance(t)) |
1037 |
– |
threadUnexpectedException(t); |
1038 |
– |
} |
1039 |
– |
} |
1040 |
– |
} |
1041 |
– |
|
1453 |
|
public abstract class ThreadShouldThrow extends Thread { |
1454 |
|
protected abstract void realRun() throws Throwable; |
1455 |
|
|
1462 |
|
public final void run() { |
1463 |
|
try { |
1464 |
|
realRun(); |
1054 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1465 |
|
} catch (Throwable t) { |
1466 |
|
if (! exceptionClass.isInstance(t)) |
1467 |
|
threadUnexpectedException(t); |
1468 |
+ |
return; |
1469 |
|
} |
1470 |
+ |
threadShouldThrow(exceptionClass.getSimpleName()); |
1471 |
|
} |
1472 |
|
} |
1473 |
|
|
1477 |
|
public final void run() { |
1478 |
|
try { |
1479 |
|
realRun(); |
1068 |
– |
threadShouldThrow("InterruptedException"); |
1480 |
|
} catch (InterruptedException success) { |
1481 |
|
threadAssertFalse(Thread.interrupted()); |
1482 |
+ |
return; |
1483 |
|
} catch (Throwable fail) { |
1484 |
|
threadUnexpectedException(fail); |
1485 |
|
} |
1486 |
+ |
threadShouldThrow("InterruptedException"); |
1487 |
|
} |
1488 |
|
} |
1489 |
|
|
1495 |
|
return realCall(); |
1496 |
|
} catch (Throwable fail) { |
1497 |
|
threadUnexpectedException(fail); |
1085 |
– |
return null; |
1498 |
|
} |
1499 |
< |
} |
1088 |
< |
} |
1089 |
< |
|
1090 |
< |
public abstract class CheckedInterruptedCallable<T> |
1091 |
< |
implements Callable<T> { |
1092 |
< |
protected abstract T realCall() throws Throwable; |
1093 |
< |
|
1094 |
< |
public final T call() { |
1095 |
< |
try { |
1096 |
< |
T result = realCall(); |
1097 |
< |
threadShouldThrow("InterruptedException"); |
1098 |
< |
return result; |
1099 |
< |
} catch (InterruptedException success) { |
1100 |
< |
threadAssertFalse(Thread.interrupted()); |
1101 |
< |
} catch (Throwable fail) { |
1102 |
< |
threadUnexpectedException(fail); |
1103 |
< |
} |
1104 |
< |
return null; |
1499 |
> |
throw new AssertionError("unreached"); |
1500 |
|
} |
1501 |
|
} |
1502 |
|
|
1511 |
|
public static final String TEST_STRING = "a test string"; |
1512 |
|
|
1513 |
|
public static class StringTask implements Callable<String> { |
1514 |
< |
public String call() { return TEST_STRING; } |
1514 |
> |
final String value; |
1515 |
> |
public StringTask() { this(TEST_STRING); } |
1516 |
> |
public StringTask(String value) { this.value = value; } |
1517 |
> |
public String call() { return value; } |
1518 |
|
} |
1519 |
|
|
1520 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1527 |
|
}}; |
1528 |
|
} |
1529 |
|
|
1530 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1530 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1531 |
|
return new CheckedRunnable() { |
1532 |
|
public void realRun() throws InterruptedException { |
1533 |
< |
await(latch); |
1533 |
> |
latch.countDown(); |
1534 |
|
}}; |
1535 |
|
} |
1536 |
|
|
1537 |
< |
public void await(CountDownLatch latch) { |
1537 |
> |
class LatchAwaiter extends CheckedRunnable { |
1538 |
> |
static final int NEW = 0; |
1539 |
> |
static final int RUNNING = 1; |
1540 |
> |
static final int DONE = 2; |
1541 |
> |
final CountDownLatch latch; |
1542 |
> |
int state = NEW; |
1543 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1544 |
> |
public void realRun() throws InterruptedException { |
1545 |
> |
state = 1; |
1546 |
> |
await(latch); |
1547 |
> |
state = 2; |
1548 |
> |
} |
1549 |
> |
} |
1550 |
> |
|
1551 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1552 |
> |
return new LatchAwaiter(latch); |
1553 |
> |
} |
1554 |
> |
|
1555 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1556 |
> |
boolean timedOut = false; |
1557 |
|
try { |
1558 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1558 |
> |
timedOut = !latch.await(timeoutMillis, MILLISECONDS); |
1559 |
|
} catch (Throwable fail) { |
1560 |
|
threadUnexpectedException(fail); |
1561 |
|
} |
1562 |
+ |
if (timedOut) |
1563 |
+ |
fail("timed out waiting for CountDownLatch for " |
1564 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1565 |
+ |
} |
1566 |
+ |
|
1567 |
+ |
public void await(CountDownLatch latch) { |
1568 |
+ |
await(latch, LONG_DELAY_MS); |
1569 |
|
} |
1570 |
|
|
1571 |
|
public void await(Semaphore semaphore) { |
1572 |
+ |
boolean timedOut = false; |
1573 |
|
try { |
1574 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1574 |
> |
timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS); |
1575 |
> |
} catch (Throwable fail) { |
1576 |
> |
threadUnexpectedException(fail); |
1577 |
> |
} |
1578 |
> |
if (timedOut) |
1579 |
> |
fail("timed out waiting for Semaphore for " |
1580 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1581 |
> |
} |
1582 |
> |
|
1583 |
> |
public void await(CyclicBarrier barrier) { |
1584 |
> |
try { |
1585 |
> |
barrier.await(LONG_DELAY_MS, MILLISECONDS); |
1586 |
|
} catch (Throwable fail) { |
1587 |
|
threadUnexpectedException(fail); |
1588 |
|
} |
1602 |
|
// long startTime = System.nanoTime(); |
1603 |
|
// while (!flag.get()) { |
1604 |
|
// if (millisElapsedSince(startTime) > timeoutMillis) |
1605 |
< |
// throw new AssertionFailedError("timed out"); |
1605 |
> |
// throw new AssertionError("timed out"); |
1606 |
|
// Thread.yield(); |
1607 |
|
// } |
1608 |
|
// } |
1611 |
|
public String call() { throw new NullPointerException(); } |
1612 |
|
} |
1613 |
|
|
1178 |
– |
public static class CallableOne implements Callable<Integer> { |
1179 |
– |
public Integer call() { return one; } |
1180 |
– |
} |
1181 |
– |
|
1182 |
– |
public class ShortRunnable extends CheckedRunnable { |
1183 |
– |
protected void realRun() throws Throwable { |
1184 |
– |
delay(SHORT_DELAY_MS); |
1185 |
– |
} |
1186 |
– |
} |
1187 |
– |
|
1188 |
– |
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1189 |
– |
protected void realRun() throws InterruptedException { |
1190 |
– |
delay(SHORT_DELAY_MS); |
1191 |
– |
} |
1192 |
– |
} |
1193 |
– |
|
1194 |
– |
public class SmallRunnable extends CheckedRunnable { |
1195 |
– |
protected void realRun() throws Throwable { |
1196 |
– |
delay(SMALL_DELAY_MS); |
1197 |
– |
} |
1198 |
– |
} |
1199 |
– |
|
1200 |
– |
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1201 |
– |
protected void realRun() { |
1202 |
– |
try { |
1203 |
– |
delay(SMALL_DELAY_MS); |
1204 |
– |
} catch (InterruptedException ok) {} |
1205 |
– |
} |
1206 |
– |
} |
1207 |
– |
|
1208 |
– |
public class SmallCallable extends CheckedCallable { |
1209 |
– |
protected Object realCall() throws InterruptedException { |
1210 |
– |
delay(SMALL_DELAY_MS); |
1211 |
– |
return Boolean.TRUE; |
1212 |
– |
} |
1213 |
– |
} |
1214 |
– |
|
1215 |
– |
public class MediumRunnable extends CheckedRunnable { |
1216 |
– |
protected void realRun() throws Throwable { |
1217 |
– |
delay(MEDIUM_DELAY_MS); |
1218 |
– |
} |
1219 |
– |
} |
1220 |
– |
|
1221 |
– |
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1222 |
– |
protected void realRun() throws InterruptedException { |
1223 |
– |
delay(MEDIUM_DELAY_MS); |
1224 |
– |
} |
1225 |
– |
} |
1226 |
– |
|
1614 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1615 |
|
return new CheckedRunnable() { |
1616 |
|
protected void realRun() { |
1620 |
|
}}; |
1621 |
|
} |
1622 |
|
|
1236 |
– |
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1237 |
– |
protected void realRun() { |
1238 |
– |
try { |
1239 |
– |
delay(MEDIUM_DELAY_MS); |
1240 |
– |
} catch (InterruptedException ok) {} |
1241 |
– |
} |
1242 |
– |
} |
1243 |
– |
|
1244 |
– |
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1245 |
– |
protected void realRun() { |
1246 |
– |
try { |
1247 |
– |
delay(LONG_DELAY_MS); |
1248 |
– |
} catch (InterruptedException ok) {} |
1249 |
– |
} |
1250 |
– |
} |
1251 |
– |
|
1623 |
|
/** |
1624 |
|
* For use as ThreadFactory in constructors |
1625 |
|
*/ |
1633 |
|
boolean isDone(); |
1634 |
|
} |
1635 |
|
|
1265 |
– |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1266 |
– |
return new TrackedRunnable() { |
1267 |
– |
private volatile boolean done = false; |
1268 |
– |
public boolean isDone() { return done; } |
1269 |
– |
public void run() { |
1270 |
– |
try { |
1271 |
– |
delay(timeoutMillis); |
1272 |
– |
done = true; |
1273 |
– |
} catch (InterruptedException ok) {} |
1274 |
– |
} |
1275 |
– |
}; |
1276 |
– |
} |
1277 |
– |
|
1278 |
– |
public static class TrackedShortRunnable implements Runnable { |
1279 |
– |
public volatile boolean done = false; |
1280 |
– |
public void run() { |
1281 |
– |
try { |
1282 |
– |
delay(SHORT_DELAY_MS); |
1283 |
– |
done = true; |
1284 |
– |
} catch (InterruptedException ok) {} |
1285 |
– |
} |
1286 |
– |
} |
1287 |
– |
|
1288 |
– |
public static class TrackedSmallRunnable implements Runnable { |
1289 |
– |
public volatile boolean done = false; |
1290 |
– |
public void run() { |
1291 |
– |
try { |
1292 |
– |
delay(SMALL_DELAY_MS); |
1293 |
– |
done = true; |
1294 |
– |
} catch (InterruptedException ok) {} |
1295 |
– |
} |
1296 |
– |
} |
1297 |
– |
|
1298 |
– |
public static class TrackedMediumRunnable implements Runnable { |
1299 |
– |
public volatile boolean done = false; |
1300 |
– |
public void run() { |
1301 |
– |
try { |
1302 |
– |
delay(MEDIUM_DELAY_MS); |
1303 |
– |
done = true; |
1304 |
– |
} catch (InterruptedException ok) {} |
1305 |
– |
} |
1306 |
– |
} |
1307 |
– |
|
1308 |
– |
public static class TrackedLongRunnable implements Runnable { |
1309 |
– |
public volatile boolean done = false; |
1310 |
– |
public void run() { |
1311 |
– |
try { |
1312 |
– |
delay(LONG_DELAY_MS); |
1313 |
– |
done = true; |
1314 |
– |
} catch (InterruptedException ok) {} |
1315 |
– |
} |
1316 |
– |
} |
1317 |
– |
|
1636 |
|
public static class TrackedNoOpRunnable implements Runnable { |
1637 |
|
public volatile boolean done = false; |
1638 |
|
public void run() { |
1640 |
|
} |
1641 |
|
} |
1642 |
|
|
1325 |
– |
public static class TrackedCallable implements Callable { |
1326 |
– |
public volatile boolean done = false; |
1327 |
– |
public Object call() { |
1328 |
– |
try { |
1329 |
– |
delay(SMALL_DELAY_MS); |
1330 |
– |
done = true; |
1331 |
– |
} catch (InterruptedException ok) {} |
1332 |
– |
return Boolean.TRUE; |
1333 |
– |
} |
1334 |
– |
} |
1335 |
– |
|
1643 |
|
/** |
1644 |
|
* Analog of CheckedRunnable for RecursiveAction |
1645 |
|
*/ |
1666 |
|
return realCompute(); |
1667 |
|
} catch (Throwable fail) { |
1668 |
|
threadUnexpectedException(fail); |
1362 |
– |
return null; |
1669 |
|
} |
1670 |
+ |
throw new AssertionError("unreached"); |
1671 |
|
} |
1672 |
|
} |
1673 |
|
|
1681 |
|
|
1682 |
|
/** |
1683 |
|
* A CyclicBarrier that uses timed await and fails with |
1684 |
< |
* AssertionFailedErrors instead of throwing checked exceptions. |
1684 |
> |
* AssertionErrors instead of throwing checked exceptions. |
1685 |
|
*/ |
1686 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1686 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1687 |
|
public CheckedBarrier(int parties) { super(parties); } |
1688 |
|
|
1689 |
|
public int await() { |
1690 |
|
try { |
1691 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1692 |
|
} catch (TimeoutException timedOut) { |
1693 |
< |
throw new AssertionFailedError("timed out"); |
1693 |
> |
throw new AssertionError("timed out"); |
1694 |
|
} catch (Exception fail) { |
1695 |
< |
AssertionFailedError afe = |
1389 |
< |
new AssertionFailedError("Unexpected exception: " + fail); |
1390 |
< |
afe.initCause(fail); |
1391 |
< |
throw afe; |
1695 |
> |
throw new AssertionError("Unexpected exception: " + fail, fail); |
1696 |
|
} |
1697 |
|
} |
1698 |
|
} |
1703 |
|
assertEquals(0, q.size()); |
1704 |
|
assertNull(q.peek()); |
1705 |
|
assertNull(q.poll()); |
1706 |
< |
assertNull(q.poll(0, MILLISECONDS)); |
1706 |
> |
assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit())); |
1707 |
|
assertEquals(q.toString(), "[]"); |
1708 |
|
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1709 |
|
assertFalse(q.iterator().hasNext()); |
1744 |
|
} |
1745 |
|
} |
1746 |
|
|
1747 |
+ |
void assertImmutable(final Object o) { |
1748 |
+ |
if (o instanceof Collection) { |
1749 |
+ |
assertThrows( |
1750 |
+ |
UnsupportedOperationException.class, |
1751 |
+ |
new Runnable() { public void run() { |
1752 |
+ |
((Collection) o).add(null);}}); |
1753 |
+ |
} |
1754 |
+ |
} |
1755 |
+ |
|
1756 |
|
@SuppressWarnings("unchecked") |
1757 |
|
<T> T serialClone(T o) { |
1758 |
+ |
T clone = null; |
1759 |
|
try { |
1760 |
|
ObjectInputStream ois = new ObjectInputStream |
1761 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1762 |
< |
T clone = (T) ois.readObject(); |
1449 |
< |
assertSame(o.getClass(), clone.getClass()); |
1450 |
< |
return clone; |
1762 |
> |
clone = (T) ois.readObject(); |
1763 |
|
} catch (Throwable fail) { |
1764 |
|
threadUnexpectedException(fail); |
1765 |
+ |
} |
1766 |
+ |
if (o == clone) assertImmutable(o); |
1767 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1768 |
+ |
return clone; |
1769 |
+ |
} |
1770 |
+ |
|
1771 |
+ |
/** |
1772 |
+ |
* A version of serialClone that leaves error handling (for |
1773 |
+ |
* e.g. NotSerializableException) up to the caller. |
1774 |
+ |
*/ |
1775 |
+ |
@SuppressWarnings("unchecked") |
1776 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1777 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1778 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1779 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1780 |
+ |
oos.writeObject(o); |
1781 |
+ |
oos.flush(); |
1782 |
+ |
oos.close(); |
1783 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1784 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1785 |
+ |
T clone = (T) ois.readObject(); |
1786 |
+ |
if (o == clone) assertImmutable(o); |
1787 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1788 |
+ |
return clone; |
1789 |
+ |
} |
1790 |
+ |
|
1791 |
+ |
/** |
1792 |
+ |
* If o implements Cloneable and has a public clone method, |
1793 |
+ |
* returns a clone of o, else null. |
1794 |
+ |
*/ |
1795 |
+ |
@SuppressWarnings("unchecked") |
1796 |
+ |
<T> T cloneableClone(T o) { |
1797 |
+ |
if (!(o instanceof Cloneable)) return null; |
1798 |
+ |
final T clone; |
1799 |
+ |
try { |
1800 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1801 |
+ |
} catch (NoSuchMethodException ok) { |
1802 |
|
return null; |
1803 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1804 |
+ |
throw new Error(unexpected); |
1805 |
|
} |
1806 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1807 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1808 |
+ |
return clone; |
1809 |
|
} |
1810 |
|
|
1811 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1815 |
|
try { throwingAction.run(); } |
1816 |
|
catch (Throwable t) { |
1817 |
|
threw = true; |
1818 |
< |
if (!expectedExceptionClass.isInstance(t)) { |
1819 |
< |
AssertionFailedError afe = |
1820 |
< |
new AssertionFailedError |
1821 |
< |
("Expected " + expectedExceptionClass.getName() + |
1822 |
< |
", got " + t.getClass().getName()); |
1469 |
< |
afe.initCause(t); |
1470 |
< |
threadUnexpectedException(afe); |
1471 |
< |
} |
1818 |
> |
if (!expectedExceptionClass.isInstance(t)) |
1819 |
> |
throw new AssertionError( |
1820 |
> |
"Expected " + expectedExceptionClass.getName() + |
1821 |
> |
", got " + t.getClass().getName(), |
1822 |
> |
t); |
1823 |
|
} |
1824 |
|
if (!threw) |
1825 |
|
shouldThrow(expectedExceptionClass.getName()); |
1833 |
|
} catch (NoSuchElementException success) {} |
1834 |
|
assertFalse(it.hasNext()); |
1835 |
|
} |
1836 |
+ |
|
1837 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1838 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1839 |
+ |
} |
1840 |
+ |
|
1841 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1842 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1843 |
+ |
} |
1844 |
+ |
|
1845 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1846 |
+ |
static final ExecutorService cachedThreadPool = |
1847 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1848 |
+ |
1000L, MILLISECONDS, |
1849 |
+ |
new SynchronousQueue<Runnable>()); |
1850 |
+ |
|
1851 |
+ |
static <T> void shuffle(T[] array) { |
1852 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1853 |
+ |
} |
1854 |
+ |
|
1855 |
+ |
/** |
1856 |
+ |
* Returns the same String as would be returned by {@link |
1857 |
+ |
* Object#toString}, whether or not the given object's class |
1858 |
+ |
* overrides toString(). |
1859 |
+ |
* |
1860 |
+ |
* @see System#identityHashCode |
1861 |
+ |
*/ |
1862 |
+ |
static String identityString(Object x) { |
1863 |
+ |
return x.getClass().getName() |
1864 |
+ |
+ "@" + Integer.toHexString(System.identityHashCode(x)); |
1865 |
+ |
} |
1866 |
+ |
|
1867 |
+ |
// --- Shared assertions for Executor tests --- |
1868 |
+ |
|
1869 |
+ |
/** |
1870 |
+ |
* Returns maximum number of tasks that can be submitted to given |
1871 |
+ |
* pool (with bounded queue) before saturation (when submission |
1872 |
+ |
* throws RejectedExecutionException). |
1873 |
+ |
*/ |
1874 |
+ |
static final int saturatedSize(ThreadPoolExecutor pool) { |
1875 |
+ |
BlockingQueue<Runnable> q = pool.getQueue(); |
1876 |
+ |
return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity(); |
1877 |
+ |
} |
1878 |
+ |
|
1879 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1880 |
+ |
void assertNullTaskSubmissionThrowsNullPointerException(Executor e) { |
1881 |
+ |
try { |
1882 |
+ |
e.execute((Runnable) null); |
1883 |
+ |
shouldThrow(); |
1884 |
+ |
} catch (NullPointerException success) {} |
1885 |
+ |
|
1886 |
+ |
if (! (e instanceof ExecutorService)) return; |
1887 |
+ |
ExecutorService es = (ExecutorService) e; |
1888 |
+ |
try { |
1889 |
+ |
es.submit((Runnable) null); |
1890 |
+ |
shouldThrow(); |
1891 |
+ |
} catch (NullPointerException success) {} |
1892 |
+ |
try { |
1893 |
+ |
es.submit((Runnable) null, Boolean.TRUE); |
1894 |
+ |
shouldThrow(); |
1895 |
+ |
} catch (NullPointerException success) {} |
1896 |
+ |
try { |
1897 |
+ |
es.submit((Callable) null); |
1898 |
+ |
shouldThrow(); |
1899 |
+ |
} catch (NullPointerException success) {} |
1900 |
+ |
|
1901 |
+ |
if (! (e instanceof ScheduledExecutorService)) return; |
1902 |
+ |
ScheduledExecutorService ses = (ScheduledExecutorService) e; |
1903 |
+ |
try { |
1904 |
+ |
ses.schedule((Runnable) null, |
1905 |
+ |
randomTimeout(), randomTimeUnit()); |
1906 |
+ |
shouldThrow(); |
1907 |
+ |
} catch (NullPointerException success) {} |
1908 |
+ |
try { |
1909 |
+ |
ses.schedule((Callable) null, |
1910 |
+ |
randomTimeout(), randomTimeUnit()); |
1911 |
+ |
shouldThrow(); |
1912 |
+ |
} catch (NullPointerException success) {} |
1913 |
+ |
try { |
1914 |
+ |
ses.scheduleAtFixedRate((Runnable) null, |
1915 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1916 |
+ |
shouldThrow(); |
1917 |
+ |
} catch (NullPointerException success) {} |
1918 |
+ |
try { |
1919 |
+ |
ses.scheduleWithFixedDelay((Runnable) null, |
1920 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1921 |
+ |
shouldThrow(); |
1922 |
+ |
} catch (NullPointerException success) {} |
1923 |
+ |
} |
1924 |
+ |
|
1925 |
+ |
void setRejectedExecutionHandler( |
1926 |
+ |
ThreadPoolExecutor p, RejectedExecutionHandler handler) { |
1927 |
+ |
p.setRejectedExecutionHandler(handler); |
1928 |
+ |
assertSame(handler, p.getRejectedExecutionHandler()); |
1929 |
+ |
} |
1930 |
+ |
|
1931 |
+ |
void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) { |
1932 |
+ |
final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler(); |
1933 |
+ |
final long savedTaskCount = p.getTaskCount(); |
1934 |
+ |
final long savedCompletedTaskCount = p.getCompletedTaskCount(); |
1935 |
+ |
final int savedQueueSize = p.getQueue().size(); |
1936 |
+ |
final boolean stock = (p.getClass().getClassLoader() == null); |
1937 |
+ |
|
1938 |
+ |
Runnable r = () -> {}; |
1939 |
+ |
Callable<Boolean> c = () -> Boolean.TRUE; |
1940 |
+ |
|
1941 |
+ |
class Recorder implements RejectedExecutionHandler { |
1942 |
+ |
public volatile Runnable r = null; |
1943 |
+ |
public volatile ThreadPoolExecutor p = null; |
1944 |
+ |
public void reset() { r = null; p = null; } |
1945 |
+ |
public void rejectedExecution(Runnable r, ThreadPoolExecutor p) { |
1946 |
+ |
assertNull(this.r); |
1947 |
+ |
assertNull(this.p); |
1948 |
+ |
this.r = r; |
1949 |
+ |
this.p = p; |
1950 |
+ |
} |
1951 |
+ |
} |
1952 |
+ |
|
1953 |
+ |
// check custom handler is invoked exactly once per task |
1954 |
+ |
Recorder recorder = new Recorder(); |
1955 |
+ |
setRejectedExecutionHandler(p, recorder); |
1956 |
+ |
for (int i = 2; i--> 0; ) { |
1957 |
+ |
recorder.reset(); |
1958 |
+ |
p.execute(r); |
1959 |
+ |
if (stock && p.getClass() == ThreadPoolExecutor.class) |
1960 |
+ |
assertSame(r, recorder.r); |
1961 |
+ |
assertSame(p, recorder.p); |
1962 |
+ |
|
1963 |
+ |
recorder.reset(); |
1964 |
+ |
assertFalse(p.submit(r).isDone()); |
1965 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1966 |
+ |
assertSame(p, recorder.p); |
1967 |
+ |
|
1968 |
+ |
recorder.reset(); |
1969 |
+ |
assertFalse(p.submit(r, Boolean.TRUE).isDone()); |
1970 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1971 |
+ |
assertSame(p, recorder.p); |
1972 |
+ |
|
1973 |
+ |
recorder.reset(); |
1974 |
+ |
assertFalse(p.submit(c).isDone()); |
1975 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1976 |
+ |
assertSame(p, recorder.p); |
1977 |
+ |
|
1978 |
+ |
if (p instanceof ScheduledExecutorService) { |
1979 |
+ |
ScheduledExecutorService s = (ScheduledExecutorService) p; |
1980 |
+ |
ScheduledFuture<?> future; |
1981 |
+ |
|
1982 |
+ |
recorder.reset(); |
1983 |
+ |
future = s.schedule(r, randomTimeout(), randomTimeUnit()); |
1984 |
+ |
assertFalse(future.isDone()); |
1985 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1986 |
+ |
assertSame(p, recorder.p); |
1987 |
+ |
|
1988 |
+ |
recorder.reset(); |
1989 |
+ |
future = s.schedule(c, randomTimeout(), randomTimeUnit()); |
1990 |
+ |
assertFalse(future.isDone()); |
1991 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1992 |
+ |
assertSame(p, recorder.p); |
1993 |
+ |
|
1994 |
+ |
recorder.reset(); |
1995 |
+ |
future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1996 |
+ |
assertFalse(future.isDone()); |
1997 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1998 |
+ |
assertSame(p, recorder.p); |
1999 |
+ |
|
2000 |
+ |
recorder.reset(); |
2001 |
+ |
future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2002 |
+ |
assertFalse(future.isDone()); |
2003 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2004 |
+ |
assertSame(p, recorder.p); |
2005 |
+ |
} |
2006 |
+ |
} |
2007 |
+ |
|
2008 |
+ |
// Checking our custom handler above should be sufficient, but |
2009 |
+ |
// we add some integration tests of standard handlers. |
2010 |
+ |
final AtomicReference<Thread> thread = new AtomicReference<>(); |
2011 |
+ |
final Runnable setThread = () -> thread.set(Thread.currentThread()); |
2012 |
+ |
|
2013 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy()); |
2014 |
+ |
try { |
2015 |
+ |
p.execute(setThread); |
2016 |
+ |
shouldThrow(); |
2017 |
+ |
} catch (RejectedExecutionException success) {} |
2018 |
+ |
assertNull(thread.get()); |
2019 |
+ |
|
2020 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy()); |
2021 |
+ |
p.execute(setThread); |
2022 |
+ |
assertNull(thread.get()); |
2023 |
+ |
|
2024 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy()); |
2025 |
+ |
p.execute(setThread); |
2026 |
+ |
if (p.isShutdown()) |
2027 |
+ |
assertNull(thread.get()); |
2028 |
+ |
else |
2029 |
+ |
assertSame(Thread.currentThread(), thread.get()); |
2030 |
+ |
|
2031 |
+ |
setRejectedExecutionHandler(p, savedHandler); |
2032 |
+ |
|
2033 |
+ |
// check that pool was not perturbed by handlers |
2034 |
+ |
assertEquals(savedTaskCount, p.getTaskCount()); |
2035 |
+ |
assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount()); |
2036 |
+ |
assertEquals(savedQueueSize, p.getQueue().size()); |
2037 |
+ |
} |
2038 |
+ |
|
2039 |
+ |
void assertCollectionsEquals(Collection<?> x, Collection<?> y) { |
2040 |
+ |
assertEquals(x, y); |
2041 |
+ |
assertEquals(y, x); |
2042 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2043 |
+ |
assertEquals(x.size(), y.size()); |
2044 |
+ |
if (x instanceof List) { |
2045 |
+ |
assertEquals(x.toString(), y.toString()); |
2046 |
+ |
} |
2047 |
+ |
if (x instanceof List || x instanceof Set) { |
2048 |
+ |
assertEquals(x.hashCode(), y.hashCode()); |
2049 |
+ |
} |
2050 |
+ |
if (x instanceof List || x instanceof Deque) { |
2051 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2052 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2053 |
+ |
y.toArray(new Object[0]))); |
2054 |
+ |
} |
2055 |
+ |
} |
2056 |
+ |
|
2057 |
+ |
/** |
2058 |
+ |
* A weaker form of assertCollectionsEquals which does not insist |
2059 |
+ |
* that the two collections satisfy Object#equals(Object), since |
2060 |
+ |
* they may use identity semantics as Deques do. |
2061 |
+ |
*/ |
2062 |
+ |
void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) { |
2063 |
+ |
if (x instanceof List || x instanceof Set) |
2064 |
+ |
assertCollectionsEquals(x, y); |
2065 |
+ |
else { |
2066 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2067 |
+ |
assertEquals(x.size(), y.size()); |
2068 |
+ |
assertEquals(new HashSet(x), new HashSet(y)); |
2069 |
+ |
if (x instanceof Deque) { |
2070 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2071 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2072 |
+ |
y.toArray(new Object[0]))); |
2073 |
+ |
} |
2074 |
+ |
} |
2075 |
+ |
} |
2076 |
|
} |