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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> |
139 |
> |
* 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 |
152 |
> |
* <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 |
106 |
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* isolation.</li> |
167 |
> |
* 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 |
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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. |
173 |
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* |
174 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
174 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
175 |
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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 |
< |
* needed to check basic conformance.</li> |
179 |
> |
* needed to check basic conformance. |
180 |
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* |
181 |
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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 |
< |
* 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 |
+ |
|
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 |
+ |
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 wedgedTestDetector = 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 timeoutMinutesMin = Math.max(runsPerTest / 60, 1) |
292 |
> |
* Math.max((int) delayFactor, 1); |
293 |
> |
final int timeoutMinutes = Math.min(15, timeoutMinutesMin); |
294 |
> |
for (TestCase lastTestCase = currentTestCase;;) { |
295 |
> |
try { MINUTES.sleep(timeoutMinutes); } |
296 |
> |
catch (InterruptedException unexpected) { break; } |
297 |
> |
if (lastTestCase == currentTestCase) { |
298 |
> |
System.err.printf( |
299 |
> |
"Looks like we're stuck running test: %s%n", |
300 |
> |
lastTestCase); |
301 |
> |
// System.err.printf( |
302 |
> |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
303 |
> |
// lastTestCase, currentRun, runsPerTest); |
304 |
> |
// System.err.println("availableProcessors=" + |
305 |
> |
// Runtime.getRuntime().availableProcessors()); |
306 |
> |
// System.err.printf("cpu model = %s%n", cpuModel()); |
307 |
> |
dumpTestThreads(); |
308 |
> |
// one stack dump is probably enough; more would be spam |
309 |
> |
break; |
310 |
> |
} |
311 |
> |
lastTestCase = currentTestCase; |
312 |
> |
}}}; |
313 |
> |
Thread thread = new Thread(wedgedTestDetector, "WedgedTestDetector"); |
314 |
> |
thread.setDaemon(true); |
315 |
> |
thread.start(); |
316 |
> |
} |
317 |
> |
|
318 |
> |
// public static String cpuModel() { |
319 |
> |
// try { |
320 |
> |
// java.util.regex.Matcher matcher |
321 |
> |
// = Pattern.compile("model name\\s*: (.*)") |
322 |
> |
// .matcher(new String( |
323 |
> |
// java.nio.file.Files.readAllBytes( |
324 |
> |
// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8")); |
325 |
> |
// matcher.find(); |
326 |
> |
// return matcher.group(1); |
327 |
> |
// } catch (Exception ex) { return null; } |
328 |
> |
// } |
329 |
> |
|
330 |
> |
public void runBare() throws Throwable { |
331 |
> |
currentTestCase = this; |
332 |
|
if (methodFilter == null |
333 |
< |
|| methodFilter.matcher(toString()).find()) { |
334 |
< |
for (int i = 0; i < runsPerTest; i++) { |
335 |
< |
if (profileTests) |
336 |
< |
runTestProfiled(); |
337 |
< |
else |
338 |
< |
super.runTest(); |
339 |
< |
} |
333 |
> |
|| methodFilter.matcher(toString()).find()) |
334 |
> |
super.runBare(); |
335 |
> |
} |
336 |
> |
|
337 |
> |
protected void runTest() throws Throwable { |
338 |
> |
for (int i = 0; i < runsPerTest; i++) { |
339 |
> |
// currentRun = i; |
340 |
> |
if (profileTests) |
341 |
> |
runTestProfiled(); |
342 |
> |
else |
343 |
> |
super.runTest(); |
344 |
|
} |
345 |
|
} |
346 |
|
|
347 |
|
protected void runTestProfiled() throws Throwable { |
348 |
< |
// Warmup run, notably to trigger all needed classloading. |
349 |
< |
super.runTest(); |
196 |
< |
long t0 = System.nanoTime(); |
197 |
< |
try { |
348 |
> |
for (int i = 0; i < 2; i++) { |
349 |
> |
long startTime = System.nanoTime(); |
350 |
|
super.runTest(); |
351 |
< |
} finally { |
352 |
< |
long elapsedMillis = millisElapsedSince(t0); |
353 |
< |
if (elapsedMillis >= profileThreshold) |
351 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
352 |
> |
if (elapsedMillis < profileThreshold) |
353 |
> |
break; |
354 |
> |
// Never report first run of any test; treat it as a |
355 |
> |
// warmup run, notably to trigger all needed classloading, |
356 |
> |
if (i > 0) |
357 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
358 |
|
} |
359 |
|
} |
365 |
|
main(suite(), args); |
366 |
|
} |
367 |
|
|
368 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
369 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
370 |
+ |
long runTime; |
371 |
+ |
public void startTest(Test test) {} |
372 |
+ |
protected void printHeader(long runTime) { |
373 |
+ |
this.runTime = runTime; // defer printing for later |
374 |
+ |
} |
375 |
+ |
protected void printFooter(TestResult result) { |
376 |
+ |
if (result.wasSuccessful()) { |
377 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
378 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
379 |
+ |
} else { |
380 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
381 |
+ |
super.printFooter(result); |
382 |
+ |
} |
383 |
+ |
} |
384 |
+ |
} |
385 |
+ |
|
386 |
+ |
/** |
387 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
388 |
+ |
* fluff, like printing a "." for each test case. |
389 |
+ |
*/ |
390 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
391 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
392 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
393 |
+ |
return runner; |
394 |
+ |
} |
395 |
+ |
|
396 |
|
/** |
397 |
|
* Runs all unit tests in the given test suite. |
398 |
|
* Actual behavior influenced by jsr166.* system properties. |
404 |
|
System.setSecurityManager(new SecurityManager()); |
405 |
|
} |
406 |
|
for (int i = 0; i < suiteRuns; i++) { |
407 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
407 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
408 |
|
if (!result.wasSuccessful()) |
409 |
|
System.exit(1); |
410 |
|
System.gc(); |
430 |
|
for (String testClassName : testClassNames) { |
431 |
|
try { |
432 |
|
Class<?> testClass = Class.forName(testClassName); |
433 |
< |
Method m = testClass.getDeclaredMethod("suite", |
251 |
< |
new Class<?>[0]); |
433 |
> |
Method m = testClass.getDeclaredMethod("suite"); |
434 |
|
suite.addTest(newTestSuite((Test)m.invoke(null))); |
435 |
< |
} catch (Exception e) { |
436 |
< |
throw new Error("Missing test class", e); |
435 |
> |
} catch (ReflectiveOperationException e) { |
436 |
> |
throw new AssertionError("Missing test class", e); |
437 |
|
} |
438 |
|
} |
439 |
|
} |
455 |
|
} |
456 |
|
} |
457 |
|
|
458 |
< |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
459 |
< |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
460 |
< |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
461 |
< |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
458 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
459 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
460 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
461 |
> |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
462 |
> |
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
463 |
> |
public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; } |
464 |
> |
public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; } |
465 |
> |
public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; } |
466 |
> |
public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; } |
467 |
> |
public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; } |
468 |
> |
public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; } |
469 |
> |
public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; } |
470 |
|
|
471 |
|
/** |
472 |
|
* Collects all JSR166 unit tests as one suite. |
487 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
488 |
|
ArrayBlockingQueueTest.suite(), |
489 |
|
ArrayDequeTest.suite(), |
490 |
+ |
ArrayListTest.suite(), |
491 |
|
AtomicBooleanTest.suite(), |
492 |
|
AtomicIntegerArrayTest.suite(), |
493 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
510 |
|
CopyOnWriteArrayListTest.suite(), |
511 |
|
CopyOnWriteArraySetTest.suite(), |
512 |
|
CountDownLatchTest.suite(), |
513 |
+ |
CountedCompleterTest.suite(), |
514 |
|
CyclicBarrierTest.suite(), |
515 |
|
DelayQueueTest.suite(), |
516 |
|
EntryTest.suite(), |
518 |
|
ExecutorsTest.suite(), |
519 |
|
ExecutorCompletionServiceTest.suite(), |
520 |
|
FutureTaskTest.suite(), |
521 |
+ |
HashtableTest.suite(), |
522 |
|
LinkedBlockingDequeTest.suite(), |
523 |
|
LinkedBlockingQueueTest.suite(), |
524 |
|
LinkedListTest.suite(), |
540 |
|
TreeMapTest.suite(), |
541 |
|
TreeSetTest.suite(), |
542 |
|
TreeSubMapTest.suite(), |
543 |
< |
TreeSubSetTest.suite()); |
543 |
> |
TreeSubSetTest.suite(), |
544 |
> |
VectorTest.suite()); |
545 |
|
|
546 |
|
// Java8+ test classes |
547 |
|
if (atLeastJava8()) { |
548 |
|
String[] java8TestClassNames = { |
549 |
+ |
"ArrayDeque8Test", |
550 |
|
"Atomic8Test", |
551 |
|
"CompletableFutureTest", |
552 |
|
"ConcurrentHashMap8Test", |
553 |
< |
"CountedCompleterTest", |
553 |
> |
"CountedCompleter8Test", |
554 |
|
"DoubleAccumulatorTest", |
555 |
|
"DoubleAdderTest", |
556 |
|
"ForkJoinPool8Test", |
557 |
|
"ForkJoinTask8Test", |
558 |
+ |
"HashMapTest", |
559 |
+ |
"LinkedBlockingDeque8Test", |
560 |
+ |
"LinkedBlockingQueue8Test", |
561 |
+ |
"LinkedHashMapTest", |
562 |
|
"LongAccumulatorTest", |
563 |
|
"LongAdderTest", |
564 |
|
"SplittableRandomTest", |
565 |
|
"StampedLockTest", |
566 |
+ |
"SubmissionPublisherTest", |
567 |
|
"ThreadLocalRandom8Test", |
568 |
+ |
"TimeUnit8Test", |
569 |
|
}; |
570 |
|
addNamedTestClasses(suite, java8TestClassNames); |
571 |
|
} |
573 |
|
// Java9+ test classes |
574 |
|
if (atLeastJava9()) { |
575 |
|
String[] java9TestClassNames = { |
576 |
< |
"ThreadPoolExecutor9Test", |
576 |
> |
"AtomicBoolean9Test", |
577 |
> |
"AtomicInteger9Test", |
578 |
> |
"AtomicIntegerArray9Test", |
579 |
> |
"AtomicLong9Test", |
580 |
> |
"AtomicLongArray9Test", |
581 |
> |
"AtomicReference9Test", |
582 |
> |
"AtomicReferenceArray9Test", |
583 |
> |
"ExecutorCompletionService9Test", |
584 |
> |
"ForkJoinPool9Test", |
585 |
|
}; |
586 |
|
addNamedTestClasses(suite, java9TestClassNames); |
587 |
|
} |
589 |
|
return suite; |
590 |
|
} |
591 |
|
|
592 |
+ |
/** Returns list of junit-style test method names in given class. */ |
593 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
594 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
595 |
+ |
ArrayList<String> names = new ArrayList<>(methods.length); |
596 |
+ |
for (Method method : methods) { |
597 |
+ |
if (method.getName().startsWith("test") |
598 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
599 |
+ |
// method.getParameterCount() requires jdk8+ |
600 |
+ |
&& method.getParameterTypes().length == 0) { |
601 |
+ |
names.add(method.getName()); |
602 |
+ |
} |
603 |
+ |
} |
604 |
+ |
return names; |
605 |
+ |
} |
606 |
+ |
|
607 |
+ |
/** |
608 |
+ |
* Returns junit-style testSuite for the given test class, but |
609 |
+ |
* parameterized by passing extra data to each test. |
610 |
+ |
*/ |
611 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
612 |
+ |
(Class<? extends JSR166TestCase> testClass, |
613 |
+ |
Class<ExtraData> dataClass, |
614 |
+ |
ExtraData data) { |
615 |
+ |
try { |
616 |
+ |
TestSuite suite = new TestSuite(); |
617 |
+ |
Constructor c = |
618 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
619 |
+ |
for (String methodName : testMethodNames(testClass)) |
620 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
621 |
+ |
return suite; |
622 |
+ |
} catch (ReflectiveOperationException e) { |
623 |
+ |
throw new AssertionError(e); |
624 |
+ |
} |
625 |
+ |
} |
626 |
+ |
|
627 |
+ |
/** |
628 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
629 |
+ |
* given test class, but parameterized by passing extra data to |
630 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
631 |
+ |
*/ |
632 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
633 |
+ |
(Class<? extends JSR166TestCase> testClass, |
634 |
+ |
Class<ExtraData> dataClass, |
635 |
+ |
ExtraData data) { |
636 |
+ |
if (atLeastJava8()) { |
637 |
+ |
String name = testClass.getName(); |
638 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
639 |
+ |
if (name.equals(name8)) throw new AssertionError(name); |
640 |
+ |
try { |
641 |
+ |
return (Test) |
642 |
+ |
Class.forName(name8) |
643 |
+ |
.getMethod("testSuite", dataClass) |
644 |
+ |
.invoke(null, data); |
645 |
+ |
} catch (ReflectiveOperationException e) { |
646 |
+ |
throw new AssertionError(e); |
647 |
+ |
} |
648 |
+ |
} else { |
649 |
+ |
return new TestSuite(); |
650 |
+ |
} |
651 |
+ |
} |
652 |
+ |
|
653 |
|
// Delays for timing-dependent tests, in milliseconds. |
654 |
|
|
655 |
|
public static long SHORT_DELAY_MS; |
658 |
|
public static long LONG_DELAY_MS; |
659 |
|
|
660 |
|
/** |
661 |
< |
* Returns the shortest timed delay. This could |
662 |
< |
* be reimplemented to use for example a Property. |
661 |
> |
* A delay significantly longer than LONG_DELAY_MS. |
662 |
> |
* Use this in a thread that is waited for via awaitTermination(Thread). |
663 |
> |
*/ |
664 |
> |
public static long LONGER_DELAY_MS; |
665 |
> |
|
666 |
> |
private static final long RANDOM_TIMEOUT; |
667 |
> |
private static final long RANDOM_EXPIRED_TIMEOUT; |
668 |
> |
private static final TimeUnit RANDOM_TIMEUNIT; |
669 |
> |
static { |
670 |
> |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
671 |
> |
long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE }; |
672 |
> |
RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)]; |
673 |
> |
RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)]; |
674 |
> |
TimeUnit[] timeUnits = TimeUnit.values(); |
675 |
> |
RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)]; |
676 |
> |
} |
677 |
> |
|
678 |
> |
/** |
679 |
> |
* Returns a timeout for use when any value at all will do. |
680 |
> |
*/ |
681 |
> |
static long randomTimeout() { return RANDOM_TIMEOUT; } |
682 |
> |
|
683 |
> |
/** |
684 |
> |
* Returns a timeout that means "no waiting", i.e. not positive. |
685 |
> |
*/ |
686 |
> |
static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; } |
687 |
> |
|
688 |
> |
/** |
689 |
> |
* Returns a random non-null TimeUnit. |
690 |
> |
*/ |
691 |
> |
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
692 |
> |
|
693 |
> |
/** |
694 |
> |
* Returns a random boolean; a "coin flip". |
695 |
> |
*/ |
696 |
> |
static boolean randomBoolean() { |
697 |
> |
return ThreadLocalRandom.current().nextBoolean(); |
698 |
> |
} |
699 |
> |
|
700 |
> |
/** |
701 |
> |
* Returns a random element from given choices. |
702 |
> |
*/ |
703 |
> |
<T> T chooseRandomly(T... choices) { |
704 |
> |
return choices[ThreadLocalRandom.current().nextInt(choices.length)]; |
705 |
> |
} |
706 |
> |
|
707 |
> |
/** |
708 |
> |
* Returns the shortest timed delay. This can be scaled up for |
709 |
> |
* slow machines using the jsr166.delay.factor system property, |
710 |
> |
* or via jtreg's -timeoutFactor: flag. |
711 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
712 |
|
*/ |
713 |
|
protected long getShortDelay() { |
714 |
< |
return 50; |
714 |
> |
return (long) (50 * delayFactor); |
715 |
|
} |
716 |
|
|
717 |
|
/** |
722 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
723 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
724 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
725 |
+ |
LONGER_DELAY_MS = 2 * LONG_DELAY_MS; |
726 |
|
} |
727 |
|
|
728 |
+ |
private static final long TIMEOUT_DELAY_MS |
729 |
+ |
= (long) (12.0 * Math.cbrt(delayFactor)); |
730 |
+ |
|
731 |
|
/** |
732 |
< |
* Returns a timeout in milliseconds to be used in tests that |
733 |
< |
* verify that operations block or time out. |
732 |
> |
* Returns a timeout in milliseconds to be used in tests that verify |
733 |
> |
* that operations block or time out. We want this to be longer |
734 |
> |
* than the OS scheduling quantum, but not too long, so don't scale |
735 |
> |
* linearly with delayFactor; we use "crazy" cube root instead. |
736 |
|
*/ |
737 |
< |
long timeoutMillis() { |
738 |
< |
return SHORT_DELAY_MS / 4; |
737 |
> |
static long timeoutMillis() { |
738 |
> |
return TIMEOUT_DELAY_MS; |
739 |
|
} |
740 |
|
|
741 |
|
/** |
742 |
< |
* Returns a new Date instance representing a time delayMillis |
743 |
< |
* milliseconds in the future. |
742 |
> |
* Returns a new Date instance representing a time at least |
743 |
> |
* delayMillis milliseconds in the future. |
744 |
|
*/ |
745 |
|
Date delayedDate(long delayMillis) { |
746 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
746 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
747 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
748 |
|
} |
749 |
|
|
750 |
|
/** |
751 |
|
* The first exception encountered if any threadAssertXXX method fails. |
752 |
|
*/ |
753 |
|
private final AtomicReference<Throwable> threadFailure |
754 |
< |
= new AtomicReference<Throwable>(null); |
754 |
> |
= new AtomicReference<>(null); |
755 |
|
|
756 |
|
/** |
757 |
|
* Records an exception so that it can be rethrown later in the test |
760 |
|
* the same test have no effect. |
761 |
|
*/ |
762 |
|
public void threadRecordFailure(Throwable t) { |
763 |
< |
threadFailure.compareAndSet(null, t); |
763 |
> |
System.err.println(t); |
764 |
> |
if (threadFailure.compareAndSet(null, t)) |
765 |
> |
dumpTestThreads(); |
766 |
|
} |
767 |
|
|
768 |
|
public void setUp() { |
769 |
|
setDelays(); |
770 |
|
} |
771 |
|
|
772 |
+ |
void tearDownFail(String format, Object... args) { |
773 |
+ |
String msg = toString() + ": " + String.format(format, args); |
774 |
+ |
System.err.println(msg); |
775 |
+ |
dumpTestThreads(); |
776 |
+ |
throw new AssertionError(msg); |
777 |
+ |
} |
778 |
+ |
|
779 |
|
/** |
780 |
|
* Extra checks that get done for all test cases. |
781 |
|
* |
794 |
|
throw (RuntimeException) t; |
795 |
|
else if (t instanceof Exception) |
796 |
|
throw (Exception) t; |
797 |
< |
else { |
798 |
< |
AssertionFailedError afe = |
464 |
< |
new AssertionFailedError(t.toString()); |
465 |
< |
afe.initCause(t); |
466 |
< |
throw afe; |
467 |
< |
} |
797 |
> |
else |
798 |
> |
throw new AssertionError(t.toString(), t); |
799 |
|
} |
800 |
|
|
801 |
|
if (Thread.interrupted()) |
802 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
802 |
> |
tearDownFail("interrupt status set in main thread"); |
803 |
|
|
804 |
|
checkForkJoinPoolThreadLeaks(); |
805 |
|
} |
806 |
|
|
807 |
|
/** |
808 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
808 |
> |
* Finds missing PoolCleaners |
809 |
|
*/ |
810 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
811 |
< |
Thread[] survivors = new Thread[5]; |
811 |
> |
Thread[] survivors = new Thread[7]; |
812 |
|
int count = Thread.enumerate(survivors); |
813 |
|
for (int i = 0; i < count; i++) { |
814 |
|
Thread thread = survivors[i]; |
816 |
|
if (name.startsWith("ForkJoinPool-")) { |
817 |
|
// give thread some time to terminate |
818 |
|
thread.join(LONG_DELAY_MS); |
819 |
< |
if (!thread.isAlive()) continue; |
820 |
< |
throw new AssertionFailedError |
821 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
491 |
< |
toString(), name)); |
819 |
> |
if (thread.isAlive()) |
820 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
821 |
> |
thread); |
822 |
|
} |
823 |
|
} |
824 |
+ |
|
825 |
+ |
if (!ForkJoinPool.commonPool() |
826 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
827 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
828 |
|
} |
829 |
|
|
830 |
|
/** |
831 |
|
* Just like fail(reason), but additionally recording (using |
832 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
833 |
< |
* the current testcase will fail. |
832 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
833 |
> |
* current testcase will fail. |
834 |
|
*/ |
835 |
|
public void threadFail(String reason) { |
836 |
|
try { |
837 |
|
fail(reason); |
838 |
< |
} catch (AssertionFailedError t) { |
839 |
< |
threadRecordFailure(t); |
840 |
< |
fail(reason); |
838 |
> |
} catch (AssertionError fail) { |
839 |
> |
threadRecordFailure(fail); |
840 |
> |
throw fail; |
841 |
|
} |
842 |
|
} |
843 |
|
|
844 |
|
/** |
845 |
|
* Just like assertTrue(b), but additionally recording (using |
846 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
847 |
< |
* the current testcase will fail. |
846 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
847 |
> |
* current testcase will fail. |
848 |
|
*/ |
849 |
|
public void threadAssertTrue(boolean b) { |
850 |
|
try { |
851 |
|
assertTrue(b); |
852 |
< |
} catch (AssertionFailedError t) { |
853 |
< |
threadRecordFailure(t); |
854 |
< |
throw t; |
852 |
> |
} catch (AssertionError fail) { |
853 |
> |
threadRecordFailure(fail); |
854 |
> |
throw fail; |
855 |
|
} |
856 |
|
} |
857 |
|
|
858 |
|
/** |
859 |
|
* Just like assertFalse(b), but additionally recording (using |
860 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
861 |
< |
* the current testcase will fail. |
860 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
861 |
> |
* current testcase will fail. |
862 |
|
*/ |
863 |
|
public void threadAssertFalse(boolean b) { |
864 |
|
try { |
865 |
|
assertFalse(b); |
866 |
< |
} catch (AssertionFailedError t) { |
867 |
< |
threadRecordFailure(t); |
868 |
< |
throw t; |
866 |
> |
} catch (AssertionError fail) { |
867 |
> |
threadRecordFailure(fail); |
868 |
> |
throw fail; |
869 |
|
} |
870 |
|
} |
871 |
|
|
872 |
|
/** |
873 |
|
* Just like assertNull(x), but additionally recording (using |
874 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
875 |
< |
* the current testcase will fail. |
874 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
875 |
> |
* current testcase will fail. |
876 |
|
*/ |
877 |
|
public void threadAssertNull(Object x) { |
878 |
|
try { |
879 |
|
assertNull(x); |
880 |
< |
} catch (AssertionFailedError t) { |
881 |
< |
threadRecordFailure(t); |
882 |
< |
throw t; |
880 |
> |
} catch (AssertionError fail) { |
881 |
> |
threadRecordFailure(fail); |
882 |
> |
throw fail; |
883 |
|
} |
884 |
|
} |
885 |
|
|
886 |
|
/** |
887 |
|
* Just like assertEquals(x, y), but additionally recording (using |
888 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
889 |
< |
* the current testcase will fail. |
888 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
889 |
> |
* current testcase will fail. |
890 |
|
*/ |
891 |
|
public void threadAssertEquals(long x, long y) { |
892 |
|
try { |
893 |
|
assertEquals(x, y); |
894 |
< |
} catch (AssertionFailedError t) { |
895 |
< |
threadRecordFailure(t); |
896 |
< |
throw t; |
894 |
> |
} catch (AssertionError fail) { |
895 |
> |
threadRecordFailure(fail); |
896 |
> |
throw fail; |
897 |
|
} |
898 |
|
} |
899 |
|
|
900 |
|
/** |
901 |
|
* Just like assertEquals(x, y), but additionally recording (using |
902 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
903 |
< |
* the current testcase will fail. |
902 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
903 |
> |
* current testcase will fail. |
904 |
|
*/ |
905 |
|
public void threadAssertEquals(Object x, Object y) { |
906 |
|
try { |
907 |
|
assertEquals(x, y); |
908 |
< |
} catch (AssertionFailedError fail) { |
908 |
> |
} catch (AssertionError fail) { |
909 |
|
threadRecordFailure(fail); |
910 |
|
throw fail; |
911 |
|
} catch (Throwable fail) { |
915 |
|
|
916 |
|
/** |
917 |
|
* Just like assertSame(x, y), but additionally recording (using |
918 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
919 |
< |
* the current testcase will fail. |
918 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
919 |
> |
* current testcase will fail. |
920 |
|
*/ |
921 |
|
public void threadAssertSame(Object x, Object y) { |
922 |
|
try { |
923 |
|
assertSame(x, y); |
924 |
< |
} catch (AssertionFailedError fail) { |
924 |
> |
} catch (AssertionError fail) { |
925 |
|
threadRecordFailure(fail); |
926 |
|
throw fail; |
927 |
|
} |
943 |
|
|
944 |
|
/** |
945 |
|
* Records the given exception using {@link #threadRecordFailure}, |
946 |
< |
* then rethrows the exception, wrapping it in an |
947 |
< |
* AssertionFailedError if necessary. |
946 |
> |
* then rethrows the exception, wrapping it in an AssertionError |
947 |
> |
* if necessary. |
948 |
|
*/ |
949 |
|
public void threadUnexpectedException(Throwable t) { |
950 |
|
threadRecordFailure(t); |
953 |
|
throw (RuntimeException) t; |
954 |
|
else if (t instanceof Error) |
955 |
|
throw (Error) t; |
956 |
< |
else { |
957 |
< |
AssertionFailedError afe = |
624 |
< |
new AssertionFailedError("unexpected exception: " + t); |
625 |
< |
afe.initCause(t); |
626 |
< |
throw afe; |
627 |
< |
} |
956 |
> |
else |
957 |
> |
throw new AssertionError("unexpected exception: " + t, t); |
958 |
|
} |
959 |
|
|
960 |
|
/** |
961 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
962 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
963 |
< |
* until time elapses. |
963 |
> |
* until time elapses. Ensures that the given time, as measured |
964 |
> |
* by System.nanoTime(), has elapsed. |
965 |
|
*/ |
966 |
|
static void delay(long millis) throws InterruptedException { |
967 |
< |
long startTime = System.nanoTime(); |
968 |
< |
long ns = millis * 1000 * 1000; |
969 |
< |
for (;;) { |
967 |
> |
long nanos = millis * (1000 * 1000); |
968 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
969 |
> |
do { |
970 |
|
if (millis > 0L) |
971 |
|
Thread.sleep(millis); |
972 |
|
else // too short to sleep |
973 |
|
Thread.yield(); |
974 |
< |
long d = ns - (System.nanoTime() - startTime); |
975 |
< |
if (d > 0L) |
976 |
< |
millis = d / (1000 * 1000); |
977 |
< |
else |
978 |
< |
break; |
974 |
> |
nanos = wakeupTime - System.nanoTime(); |
975 |
> |
millis = nanos / (1000 * 1000); |
976 |
> |
} while (nanos >= 0L); |
977 |
> |
} |
978 |
> |
|
979 |
> |
/** |
980 |
> |
* Allows use of try-with-resources with per-test thread pools. |
981 |
> |
*/ |
982 |
> |
class PoolCleaner implements AutoCloseable { |
983 |
> |
private final ExecutorService pool; |
984 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
985 |
> |
public void close() { joinPool(pool); } |
986 |
> |
} |
987 |
> |
|
988 |
> |
/** |
989 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
990 |
> |
*/ |
991 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
992 |
> |
private final Runnable releaser; |
993 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
994 |
> |
super(pool); |
995 |
> |
this.releaser = releaser; |
996 |
|
} |
997 |
+ |
public void close() { |
998 |
+ |
try { |
999 |
+ |
releaser.run(); |
1000 |
+ |
} finally { |
1001 |
+ |
super.close(); |
1002 |
+ |
} |
1003 |
+ |
} |
1004 |
+ |
} |
1005 |
+ |
|
1006 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
1007 |
+ |
return new PoolCleaner(pool); |
1008 |
+ |
} |
1009 |
+ |
|
1010 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
1011 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
1012 |
+ |
} |
1013 |
+ |
|
1014 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
1015 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
1016 |
+ |
} |
1017 |
+ |
|
1018 |
+ |
Runnable releaser(final CountDownLatch latch) { |
1019 |
+ |
return new Runnable() { public void run() { |
1020 |
+ |
do { latch.countDown(); } |
1021 |
+ |
while (latch.getCount() > 0); |
1022 |
+ |
}}; |
1023 |
+ |
} |
1024 |
+ |
|
1025 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
1026 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
1027 |
+ |
} |
1028 |
+ |
|
1029 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
1030 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
1031 |
|
} |
1032 |
|
|
1033 |
|
/** |
1034 |
|
* Waits out termination of a thread pool or fails doing so. |
1035 |
|
*/ |
1036 |
< |
void joinPool(ExecutorService exec) { |
1036 |
> |
void joinPool(ExecutorService pool) { |
1037 |
|
try { |
1038 |
< |
exec.shutdown(); |
1039 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
1040 |
< |
fail("ExecutorService " + exec + |
1041 |
< |
" did not terminate in a timely manner"); |
1038 |
> |
pool.shutdown(); |
1039 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
1040 |
> |
try { |
1041 |
> |
threadFail("ExecutorService " + pool + |
1042 |
> |
" did not terminate in a timely manner"); |
1043 |
> |
} finally { |
1044 |
> |
// last resort, for the benefit of subsequent tests |
1045 |
> |
pool.shutdownNow(); |
1046 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
1047 |
> |
} |
1048 |
> |
} |
1049 |
|
} catch (SecurityException ok) { |
1050 |
|
// Allowed in case test doesn't have privs |
1051 |
|
} catch (InterruptedException fail) { |
1052 |
< |
fail("Unexpected InterruptedException"); |
1052 |
> |
threadFail("Unexpected InterruptedException"); |
1053 |
|
} |
1054 |
|
} |
1055 |
|
|
1056 |
|
/** |
1057 |
< |
* A debugging tool to print all stack traces, as jstack does. |
1057 |
> |
* Like Runnable, but with the freedom to throw anything. |
1058 |
> |
* junit folks had the same idea: |
1059 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
1060 |
|
*/ |
1061 |
< |
static void printAllStackTraces() { |
671 |
< |
for (ThreadInfo info : |
672 |
< |
ManagementFactory.getThreadMXBean() |
673 |
< |
.dumpAllThreads(true, true)) |
674 |
< |
System.err.print(info); |
675 |
< |
} |
1061 |
> |
interface Action { public void run() throws Throwable; } |
1062 |
|
|
1063 |
|
/** |
1064 |
< |
* Checks that thread does not terminate within the default |
1065 |
< |
* millisecond delay of {@code timeoutMillis()}. |
1064 |
> |
* Runs all the given actions in parallel, failing if any fail. |
1065 |
> |
* Useful for running multiple variants of tests that are |
1066 |
> |
* necessarily individually slow because they must block. |
1067 |
|
*/ |
1068 |
< |
void assertThreadStaysAlive(Thread thread) { |
1069 |
< |
assertThreadStaysAlive(thread, timeoutMillis()); |
1068 |
> |
void testInParallel(Action ... actions) { |
1069 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
1070 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
1071 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1072 |
> |
for (final Action action : actions) |
1073 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
1074 |
> |
public void realRun() throws Throwable { action.run();}})); |
1075 |
> |
for (Future<?> future : futures) |
1076 |
> |
try { |
1077 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
1078 |
> |
} catch (ExecutionException ex) { |
1079 |
> |
threadUnexpectedException(ex.getCause()); |
1080 |
> |
} catch (Exception ex) { |
1081 |
> |
threadUnexpectedException(ex); |
1082 |
> |
} |
1083 |
> |
} |
1084 |
|
} |
1085 |
|
|
1086 |
|
/** |
1087 |
< |
* Checks that thread does not terminate within the given millisecond delay. |
1087 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
1088 |
> |
* Uninteresting threads are filtered out. |
1089 |
|
*/ |
1090 |
< |
void assertThreadStaysAlive(Thread thread, long millis) { |
1091 |
< |
try { |
1092 |
< |
// No need to optimize the failing case via Thread.join. |
1093 |
< |
delay(millis); |
1094 |
< |
assertTrue(thread.isAlive()); |
1095 |
< |
} catch (InterruptedException fail) { |
1096 |
< |
fail("Unexpected InterruptedException"); |
1090 |
> |
static void dumpTestThreads() { |
1091 |
> |
SecurityManager sm = System.getSecurityManager(); |
1092 |
> |
if (sm != null) { |
1093 |
> |
try { |
1094 |
> |
System.setSecurityManager(null); |
1095 |
> |
} catch (SecurityException giveUp) { |
1096 |
> |
return; |
1097 |
> |
} |
1098 |
|
} |
696 |
– |
} |
1099 |
|
|
1100 |
< |
/** |
1101 |
< |
* Checks that the threads do not terminate within the default |
1102 |
< |
* millisecond delay of {@code timeoutMillis()}. |
1103 |
< |
*/ |
1104 |
< |
void assertThreadsStayAlive(Thread... threads) { |
1105 |
< |
assertThreadsStayAlive(timeoutMillis(), threads); |
1100 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1101 |
> |
System.err.println("------ stacktrace dump start ------"); |
1102 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1103 |
> |
final String name = info.getThreadName(); |
1104 |
> |
String lockName; |
1105 |
> |
if ("Signal Dispatcher".equals(name)) |
1106 |
> |
continue; |
1107 |
> |
if ("Reference Handler".equals(name) |
1108 |
> |
&& (lockName = info.getLockName()) != null |
1109 |
> |
&& lockName.startsWith("java.lang.ref")) |
1110 |
> |
continue; |
1111 |
> |
if (("Finalizer".equals(name) || "Common-Cleaner".equals(name)) |
1112 |
> |
&& (lockName = info.getLockName()) != null |
1113 |
> |
&& lockName.startsWith("java.lang.ref")) |
1114 |
> |
continue; |
1115 |
> |
if ("WedgedTestDetector".equals(name)) |
1116 |
> |
continue; |
1117 |
> |
System.err.print(info); |
1118 |
> |
} |
1119 |
> |
System.err.println("------ stacktrace dump end ------"); |
1120 |
> |
|
1121 |
> |
if (sm != null) System.setSecurityManager(sm); |
1122 |
|
} |
1123 |
|
|
1124 |
|
/** |
1125 |
< |
* Checks that the threads do not terminate within the given millisecond delay. |
1125 |
> |
* Checks that thread eventually enters the expected blocked thread state. |
1126 |
|
*/ |
1127 |
< |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1128 |
< |
try { |
1129 |
< |
// No need to optimize the failing case via Thread.join. |
1130 |
< |
delay(millis); |
1131 |
< |
for (Thread thread : threads) |
1132 |
< |
assertTrue(thread.isAlive()); |
1133 |
< |
} catch (InterruptedException fail) { |
1134 |
< |
fail("Unexpected InterruptedException"); |
1127 |
> |
void assertThreadBlocks(Thread thread, Thread.State expected) { |
1128 |
> |
// always sleep at least 1 ms, with high probability avoiding |
1129 |
> |
// transitory states |
1130 |
> |
for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) { |
1131 |
> |
try { delay(1); } |
1132 |
> |
catch (InterruptedException fail) { |
1133 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1134 |
> |
} |
1135 |
> |
Thread.State s = thread.getState(); |
1136 |
> |
if (s == expected) |
1137 |
> |
return; |
1138 |
> |
else if (s == Thread.State.TERMINATED) |
1139 |
> |
fail("Unexpected thread termination"); |
1140 |
|
} |
1141 |
+ |
fail("timed out waiting for thread to enter thread state " + expected); |
1142 |
|
} |
1143 |
|
|
1144 |
|
/** |
1179 |
|
} |
1180 |
|
|
1181 |
|
/** |
1182 |
+ |
* The maximum number of consecutive spurious wakeups we should |
1183 |
+ |
* tolerate (from APIs like LockSupport.park) before failing a test. |
1184 |
+ |
*/ |
1185 |
+ |
static final int MAX_SPURIOUS_WAKEUPS = 10; |
1186 |
+ |
|
1187 |
+ |
/** |
1188 |
|
* The number of elements to place in collections, arrays, etc. |
1189 |
|
*/ |
1190 |
|
public static final int SIZE = 20; |
1288 |
|
} |
1289 |
|
public void refresh() {} |
1290 |
|
public String toString() { |
1291 |
< |
List<Permission> ps = new ArrayList<Permission>(); |
1291 |
> |
List<Permission> ps = new ArrayList<>(); |
1292 |
|
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1293 |
|
ps.add(e.nextElement()); |
1294 |
|
return "AdjustablePolicy with permissions " + ps; |
1316 |
|
|
1317 |
|
/** |
1318 |
|
* Sleeps until the given time has elapsed. |
1319 |
< |
* Throws AssertionFailedError if interrupted. |
1319 |
> |
* Throws AssertionError if interrupted. |
1320 |
|
*/ |
1321 |
< |
void sleep(long millis) { |
1321 |
> |
static void sleep(long millis) { |
1322 |
|
try { |
1323 |
|
delay(millis); |
1324 |
|
} catch (InterruptedException fail) { |
1325 |
< |
AssertionFailedError afe = |
896 |
< |
new AssertionFailedError("Unexpected InterruptedException"); |
897 |
< |
afe.initCause(fail); |
898 |
< |
throw afe; |
1325 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1326 |
|
} |
1327 |
|
} |
1328 |
|
|
1329 |
|
/** |
1330 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1331 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1332 |
+ |
* @param waitingForGodot if non-null, an additional condition to satisfy |
1333 |
|
*/ |
1334 |
< |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1335 |
< |
long startTime = System.nanoTime(); |
1336 |
< |
for (;;) { |
1337 |
< |
Thread.State s = thread.getState(); |
1338 |
< |
if (s == Thread.State.BLOCKED || |
1339 |
< |
s == Thread.State.WAITING || |
1340 |
< |
s == Thread.State.TIMED_WAITING) |
1341 |
< |
return; |
1342 |
< |
else if (s == Thread.State.TERMINATED) |
1334 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis, |
1335 |
> |
Callable<Boolean> waitingForGodot) { |
1336 |
> |
for (long startTime = 0L;;) { |
1337 |
> |
switch (thread.getState()) { |
1338 |
> |
default: break; |
1339 |
> |
case BLOCKED: case WAITING: case TIMED_WAITING: |
1340 |
> |
try { |
1341 |
> |
if (waitingForGodot == null || waitingForGodot.call()) |
1342 |
> |
return; |
1343 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1344 |
> |
break; |
1345 |
> |
case TERMINATED: |
1346 |
|
fail("Unexpected thread termination"); |
1347 |
+ |
} |
1348 |
+ |
|
1349 |
+ |
if (startTime == 0L) |
1350 |
+ |
startTime = System.nanoTime(); |
1351 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1352 |
< |
threadAssertTrue(thread.isAlive()); |
1353 |
< |
return; |
1352 |
> |
assertTrue(thread.isAlive()); |
1353 |
> |
if (waitingForGodot == null |
1354 |
> |
|| thread.getState() == Thread.State.RUNNABLE) |
1355 |
> |
fail("timed out waiting for thread to enter wait state"); |
1356 |
> |
else |
1357 |
> |
fail("timed out waiting for condition, thread state=" |
1358 |
> |
+ thread.getState()); |
1359 |
|
} |
1360 |
|
Thread.yield(); |
1361 |
|
} |
1362 |
|
} |
1363 |
|
|
1364 |
|
/** |
1365 |
< |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1366 |
< |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1365 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1366 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1367 |
> |
*/ |
1368 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1369 |
> |
waitForThreadToEnterWaitState(thread, timeoutMillis, null); |
1370 |
> |
} |
1371 |
> |
|
1372 |
> |
/** |
1373 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1374 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1375 |
|
*/ |
1376 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1377 |
< |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1377 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null); |
1378 |
> |
} |
1379 |
> |
|
1380 |
> |
/** |
1381 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1382 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1383 |
> |
* and additionally satisfy the given condition. |
1384 |
> |
*/ |
1385 |
> |
void waitForThreadToEnterWaitState(Thread thread, |
1386 |
> |
Callable<Boolean> waitingForGodot) { |
1387 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1388 |
> |
} |
1389 |
> |
|
1390 |
> |
/** |
1391 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to |
1392 |
> |
* be interrupted. Clears the interrupt status before returning. |
1393 |
> |
*/ |
1394 |
> |
void awaitInterrupted() { |
1395 |
> |
for (long startTime = 0L; !Thread.interrupted(); ) { |
1396 |
> |
if (startTime == 0L) |
1397 |
> |
startTime = System.nanoTime(); |
1398 |
> |
else if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
1399 |
> |
fail("timed out waiting for thread interrupt"); |
1400 |
> |
Thread.yield(); |
1401 |
> |
} |
1402 |
|
} |
1403 |
|
|
1404 |
|
/** |
1410 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1411 |
|
} |
1412 |
|
|
941 |
– |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
942 |
– |
// long startTime = System.nanoTime(); |
943 |
– |
// try { |
944 |
– |
// r.run(); |
945 |
– |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
946 |
– |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
947 |
– |
// throw new AssertionFailedError("did not return promptly"); |
948 |
– |
// } |
949 |
– |
|
950 |
– |
// void assertTerminatesPromptly(Runnable r) { |
951 |
– |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
952 |
– |
// } |
953 |
– |
|
1413 |
|
/** |
1414 |
|
* Checks that timed f.get() returns the expected value, and does not |
1415 |
|
* wait for the timeout to elapse before returning. |
1416 |
|
*/ |
1417 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1418 |
|
long startTime = System.nanoTime(); |
1419 |
+ |
T actual = null; |
1420 |
|
try { |
1421 |
< |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1421 |
> |
actual = f.get(timeoutMillis, MILLISECONDS); |
1422 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1423 |
+ |
assertEquals(expectedValue, actual); |
1424 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1425 |
< |
throw new AssertionFailedError("timed get did not return promptly"); |
1425 |
> |
throw new AssertionError("timed get did not return promptly"); |
1426 |
|
} |
1427 |
|
|
1428 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1444 |
|
* to terminate (using {@link Thread#join(long)}), else interrupts |
1445 |
|
* the thread (in the hope that it may terminate later) and fails. |
1446 |
|
*/ |
1447 |
< |
void awaitTermination(Thread t, long timeoutMillis) { |
1447 |
> |
void awaitTermination(Thread thread, long timeoutMillis) { |
1448 |
|
try { |
1449 |
< |
t.join(timeoutMillis); |
1449 |
> |
thread.join(timeoutMillis); |
1450 |
|
} catch (InterruptedException fail) { |
1451 |
|
threadUnexpectedException(fail); |
1452 |
< |
} finally { |
1453 |
< |
if (t.getState() != Thread.State.TERMINATED) { |
1454 |
< |
t.interrupt(); |
1455 |
< |
fail("Test timed out"); |
1452 |
> |
} |
1453 |
> |
if (thread.getState() != Thread.State.TERMINATED) { |
1454 |
> |
String detail = String.format( |
1455 |
> |
"timed out waiting for thread to terminate, thread=%s, state=%s" , |
1456 |
> |
thread, thread.getState()); |
1457 |
> |
try { |
1458 |
> |
threadFail(detail); |
1459 |
> |
} finally { |
1460 |
> |
// Interrupt thread __after__ having reported its stack trace |
1461 |
> |
thread.interrupt(); |
1462 |
|
} |
1463 |
|
} |
1464 |
|
} |
1486 |
|
} |
1487 |
|
} |
1488 |
|
|
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 |
– |
|
1489 |
|
public abstract class ThreadShouldThrow extends Thread { |
1490 |
|
protected abstract void realRun() throws Throwable; |
1491 |
|
|
1498 |
|
public final void run() { |
1499 |
|
try { |
1500 |
|
realRun(); |
1054 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1501 |
|
} catch (Throwable t) { |
1502 |
|
if (! exceptionClass.isInstance(t)) |
1503 |
|
threadUnexpectedException(t); |
1504 |
+ |
return; |
1505 |
|
} |
1506 |
+ |
threadShouldThrow(exceptionClass.getSimpleName()); |
1507 |
|
} |
1508 |
|
} |
1509 |
|
|
1513 |
|
public final void run() { |
1514 |
|
try { |
1515 |
|
realRun(); |
1068 |
– |
threadShouldThrow("InterruptedException"); |
1516 |
|
} catch (InterruptedException success) { |
1517 |
|
threadAssertFalse(Thread.interrupted()); |
1518 |
+ |
return; |
1519 |
|
} catch (Throwable fail) { |
1520 |
|
threadUnexpectedException(fail); |
1521 |
|
} |
1522 |
+ |
threadShouldThrow("InterruptedException"); |
1523 |
|
} |
1524 |
|
} |
1525 |
|
|
1531 |
|
return realCall(); |
1532 |
|
} catch (Throwable fail) { |
1533 |
|
threadUnexpectedException(fail); |
1085 |
– |
return null; |
1534 |
|
} |
1535 |
< |
} |
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; |
1535 |
> |
throw new AssertionError("unreached"); |
1536 |
|
} |
1537 |
|
} |
1538 |
|
|
1547 |
|
public static final String TEST_STRING = "a test string"; |
1548 |
|
|
1549 |
|
public static class StringTask implements Callable<String> { |
1550 |
< |
public String call() { return TEST_STRING; } |
1550 |
> |
final String value; |
1551 |
> |
public StringTask() { this(TEST_STRING); } |
1552 |
> |
public StringTask(String value) { this.value = value; } |
1553 |
> |
public String call() { return value; } |
1554 |
|
} |
1555 |
|
|
1556 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1563 |
|
}}; |
1564 |
|
} |
1565 |
|
|
1566 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1566 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1567 |
|
return new CheckedRunnable() { |
1568 |
|
public void realRun() throws InterruptedException { |
1569 |
< |
await(latch); |
1569 |
> |
latch.countDown(); |
1570 |
|
}}; |
1571 |
|
} |
1572 |
|
|
1573 |
< |
public void await(CountDownLatch latch) { |
1573 |
> |
class LatchAwaiter extends CheckedRunnable { |
1574 |
> |
static final int NEW = 0; |
1575 |
> |
static final int RUNNING = 1; |
1576 |
> |
static final int DONE = 2; |
1577 |
> |
final CountDownLatch latch; |
1578 |
> |
int state = NEW; |
1579 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1580 |
> |
public void realRun() throws InterruptedException { |
1581 |
> |
state = 1; |
1582 |
> |
await(latch); |
1583 |
> |
state = 2; |
1584 |
> |
} |
1585 |
> |
} |
1586 |
> |
|
1587 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1588 |
> |
return new LatchAwaiter(latch); |
1589 |
> |
} |
1590 |
> |
|
1591 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1592 |
> |
boolean timedOut = false; |
1593 |
|
try { |
1594 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1594 |
> |
timedOut = !latch.await(timeoutMillis, MILLISECONDS); |
1595 |
|
} catch (Throwable fail) { |
1596 |
|
threadUnexpectedException(fail); |
1597 |
|
} |
1598 |
+ |
if (timedOut) |
1599 |
+ |
fail("timed out waiting for CountDownLatch for " |
1600 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1601 |
+ |
} |
1602 |
+ |
|
1603 |
+ |
public void await(CountDownLatch latch) { |
1604 |
+ |
await(latch, LONG_DELAY_MS); |
1605 |
|
} |
1606 |
|
|
1607 |
|
public void await(Semaphore semaphore) { |
1608 |
+ |
boolean timedOut = false; |
1609 |
+ |
try { |
1610 |
+ |
timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS); |
1611 |
+ |
} catch (Throwable fail) { |
1612 |
+ |
threadUnexpectedException(fail); |
1613 |
+ |
} |
1614 |
+ |
if (timedOut) |
1615 |
+ |
fail("timed out waiting for Semaphore for " |
1616 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1617 |
+ |
} |
1618 |
+ |
|
1619 |
+ |
public void await(CyclicBarrier barrier) { |
1620 |
|
try { |
1621 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1621 |
> |
barrier.await(LONG_DELAY_MS, MILLISECONDS); |
1622 |
|
} catch (Throwable fail) { |
1623 |
|
threadUnexpectedException(fail); |
1624 |
|
} |
1638 |
|
// long startTime = System.nanoTime(); |
1639 |
|
// while (!flag.get()) { |
1640 |
|
// if (millisElapsedSince(startTime) > timeoutMillis) |
1641 |
< |
// throw new AssertionFailedError("timed out"); |
1641 |
> |
// throw new AssertionError("timed out"); |
1642 |
|
// Thread.yield(); |
1643 |
|
// } |
1644 |
|
// } |
1647 |
|
public String call() { throw new NullPointerException(); } |
1648 |
|
} |
1649 |
|
|
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 |
– |
|
1650 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1651 |
|
return new CheckedRunnable() { |
1652 |
|
protected void realRun() { |
1656 |
|
}}; |
1657 |
|
} |
1658 |
|
|
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 |
– |
|
1659 |
|
/** |
1660 |
|
* For use as ThreadFactory in constructors |
1661 |
|
*/ |
1669 |
|
boolean isDone(); |
1670 |
|
} |
1671 |
|
|
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 |
– |
|
1672 |
|
public static class TrackedNoOpRunnable implements Runnable { |
1673 |
|
public volatile boolean done = false; |
1674 |
|
public void run() { |
1676 |
|
} |
1677 |
|
} |
1678 |
|
|
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 |
– |
|
1679 |
|
/** |
1680 |
|
* Analog of CheckedRunnable for RecursiveAction |
1681 |
|
*/ |
1702 |
|
return realCompute(); |
1703 |
|
} catch (Throwable fail) { |
1704 |
|
threadUnexpectedException(fail); |
1362 |
– |
return null; |
1705 |
|
} |
1706 |
+ |
throw new AssertionError("unreached"); |
1707 |
|
} |
1708 |
|
} |
1709 |
|
|
1717 |
|
|
1718 |
|
/** |
1719 |
|
* A CyclicBarrier that uses timed await and fails with |
1720 |
< |
* AssertionFailedErrors instead of throwing checked exceptions. |
1720 |
> |
* AssertionErrors instead of throwing checked exceptions. |
1721 |
|
*/ |
1722 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1722 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1723 |
|
public CheckedBarrier(int parties) { super(parties); } |
1724 |
|
|
1725 |
|
public int await() { |
1726 |
|
try { |
1727 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1728 |
|
} catch (TimeoutException timedOut) { |
1729 |
< |
throw new AssertionFailedError("timed out"); |
1729 |
> |
throw new AssertionError("timed out"); |
1730 |
|
} catch (Exception fail) { |
1731 |
< |
AssertionFailedError afe = |
1389 |
< |
new AssertionFailedError("Unexpected exception: " + fail); |
1390 |
< |
afe.initCause(fail); |
1391 |
< |
throw afe; |
1731 |
> |
throw new AssertionError("Unexpected exception: " + fail, fail); |
1732 |
|
} |
1733 |
|
} |
1734 |
|
} |
1739 |
|
assertEquals(0, q.size()); |
1740 |
|
assertNull(q.peek()); |
1741 |
|
assertNull(q.poll()); |
1742 |
< |
assertNull(q.poll(0, MILLISECONDS)); |
1742 |
> |
assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit())); |
1743 |
|
assertEquals(q.toString(), "[]"); |
1744 |
|
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1745 |
|
assertFalse(q.iterator().hasNext()); |
1780 |
|
} |
1781 |
|
} |
1782 |
|
|
1783 |
+ |
void assertImmutable(Object o) { |
1784 |
+ |
if (o instanceof Collection) { |
1785 |
+ |
assertThrows( |
1786 |
+ |
UnsupportedOperationException.class, |
1787 |
+ |
() -> ((Collection) o).add(null)); |
1788 |
+ |
} |
1789 |
+ |
} |
1790 |
+ |
|
1791 |
|
@SuppressWarnings("unchecked") |
1792 |
|
<T> T serialClone(T o) { |
1793 |
+ |
T clone = null; |
1794 |
|
try { |
1795 |
|
ObjectInputStream ois = new ObjectInputStream |
1796 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1797 |
< |
T clone = (T) ois.readObject(); |
1449 |
< |
assertSame(o.getClass(), clone.getClass()); |
1450 |
< |
return clone; |
1797 |
> |
clone = (T) ois.readObject(); |
1798 |
|
} catch (Throwable fail) { |
1799 |
|
threadUnexpectedException(fail); |
1800 |
+ |
} |
1801 |
+ |
if (o == clone) assertImmutable(o); |
1802 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1803 |
+ |
return clone; |
1804 |
+ |
} |
1805 |
+ |
|
1806 |
+ |
/** |
1807 |
+ |
* A version of serialClone that leaves error handling (for |
1808 |
+ |
* e.g. NotSerializableException) up to the caller. |
1809 |
+ |
*/ |
1810 |
+ |
@SuppressWarnings("unchecked") |
1811 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1812 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1813 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1814 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1815 |
+ |
oos.writeObject(o); |
1816 |
+ |
oos.flush(); |
1817 |
+ |
oos.close(); |
1818 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1819 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1820 |
+ |
T clone = (T) ois.readObject(); |
1821 |
+ |
if (o == clone) assertImmutable(o); |
1822 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1823 |
+ |
return clone; |
1824 |
+ |
} |
1825 |
+ |
|
1826 |
+ |
/** |
1827 |
+ |
* If o implements Cloneable and has a public clone method, |
1828 |
+ |
* returns a clone of o, else null. |
1829 |
+ |
*/ |
1830 |
+ |
@SuppressWarnings("unchecked") |
1831 |
+ |
<T> T cloneableClone(T o) { |
1832 |
+ |
if (!(o instanceof Cloneable)) return null; |
1833 |
+ |
final T clone; |
1834 |
+ |
try { |
1835 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1836 |
+ |
} catch (NoSuchMethodException ok) { |
1837 |
|
return null; |
1838 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1839 |
+ |
throw new Error(unexpected); |
1840 |
|
} |
1841 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1842 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1843 |
+ |
return clone; |
1844 |
|
} |
1845 |
|
|
1846 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1847 |
< |
Runnable... throwingActions) { |
1848 |
< |
for (Runnable throwingAction : throwingActions) { |
1847 |
> |
Action... throwingActions) { |
1848 |
> |
for (Action throwingAction : throwingActions) { |
1849 |
|
boolean threw = false; |
1850 |
|
try { throwingAction.run(); } |
1851 |
|
catch (Throwable t) { |
1852 |
|
threw = true; |
1853 |
< |
if (!expectedExceptionClass.isInstance(t)) { |
1854 |
< |
AssertionFailedError afe = |
1855 |
< |
new AssertionFailedError |
1856 |
< |
("Expected " + expectedExceptionClass.getName() + |
1857 |
< |
", got " + t.getClass().getName()); |
1469 |
< |
afe.initCause(t); |
1470 |
< |
threadUnexpectedException(afe); |
1471 |
< |
} |
1853 |
> |
if (!expectedExceptionClass.isInstance(t)) |
1854 |
> |
throw new AssertionError( |
1855 |
> |
"Expected " + expectedExceptionClass.getName() + |
1856 |
> |
", got " + t.getClass().getName(), |
1857 |
> |
t); |
1858 |
|
} |
1859 |
|
if (!threw) |
1860 |
|
shouldThrow(expectedExceptionClass.getName()); |
1868 |
|
} catch (NoSuchElementException success) {} |
1869 |
|
assertFalse(it.hasNext()); |
1870 |
|
} |
1871 |
+ |
|
1872 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1873 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1874 |
+ |
} |
1875 |
+ |
|
1876 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1877 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1878 |
+ |
} |
1879 |
+ |
|
1880 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1881 |
+ |
static final ExecutorService cachedThreadPool = |
1882 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1883 |
+ |
1000L, MILLISECONDS, |
1884 |
+ |
new SynchronousQueue<Runnable>()); |
1885 |
+ |
|
1886 |
+ |
static <T> void shuffle(T[] array) { |
1887 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1888 |
+ |
} |
1889 |
+ |
|
1890 |
+ |
/** |
1891 |
+ |
* Returns the same String as would be returned by {@link |
1892 |
+ |
* Object#toString}, whether or not the given object's class |
1893 |
+ |
* overrides toString(). |
1894 |
+ |
* |
1895 |
+ |
* @see System#identityHashCode |
1896 |
+ |
*/ |
1897 |
+ |
static String identityString(Object x) { |
1898 |
+ |
return x.getClass().getName() |
1899 |
+ |
+ "@" + Integer.toHexString(System.identityHashCode(x)); |
1900 |
+ |
} |
1901 |
+ |
|
1902 |
+ |
// --- Shared assertions for Executor tests --- |
1903 |
+ |
|
1904 |
+ |
/** |
1905 |
+ |
* Returns maximum number of tasks that can be submitted to given |
1906 |
+ |
* pool (with bounded queue) before saturation (when submission |
1907 |
+ |
* throws RejectedExecutionException). |
1908 |
+ |
*/ |
1909 |
+ |
static final int saturatedSize(ThreadPoolExecutor pool) { |
1910 |
+ |
BlockingQueue<Runnable> q = pool.getQueue(); |
1911 |
+ |
return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity(); |
1912 |
+ |
} |
1913 |
+ |
|
1914 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1915 |
+ |
void assertNullTaskSubmissionThrowsNullPointerException(Executor e) { |
1916 |
+ |
try { |
1917 |
+ |
e.execute((Runnable) null); |
1918 |
+ |
shouldThrow(); |
1919 |
+ |
} catch (NullPointerException success) {} |
1920 |
+ |
|
1921 |
+ |
if (! (e instanceof ExecutorService)) return; |
1922 |
+ |
ExecutorService es = (ExecutorService) e; |
1923 |
+ |
try { |
1924 |
+ |
es.submit((Runnable) null); |
1925 |
+ |
shouldThrow(); |
1926 |
+ |
} catch (NullPointerException success) {} |
1927 |
+ |
try { |
1928 |
+ |
es.submit((Runnable) null, Boolean.TRUE); |
1929 |
+ |
shouldThrow(); |
1930 |
+ |
} catch (NullPointerException success) {} |
1931 |
+ |
try { |
1932 |
+ |
es.submit((Callable) null); |
1933 |
+ |
shouldThrow(); |
1934 |
+ |
} catch (NullPointerException success) {} |
1935 |
+ |
|
1936 |
+ |
if (! (e instanceof ScheduledExecutorService)) return; |
1937 |
+ |
ScheduledExecutorService ses = (ScheduledExecutorService) e; |
1938 |
+ |
try { |
1939 |
+ |
ses.schedule((Runnable) null, |
1940 |
+ |
randomTimeout(), randomTimeUnit()); |
1941 |
+ |
shouldThrow(); |
1942 |
+ |
} catch (NullPointerException success) {} |
1943 |
+ |
try { |
1944 |
+ |
ses.schedule((Callable) null, |
1945 |
+ |
randomTimeout(), randomTimeUnit()); |
1946 |
+ |
shouldThrow(); |
1947 |
+ |
} catch (NullPointerException success) {} |
1948 |
+ |
try { |
1949 |
+ |
ses.scheduleAtFixedRate((Runnable) null, |
1950 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1951 |
+ |
shouldThrow(); |
1952 |
+ |
} catch (NullPointerException success) {} |
1953 |
+ |
try { |
1954 |
+ |
ses.scheduleWithFixedDelay((Runnable) null, |
1955 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1956 |
+ |
shouldThrow(); |
1957 |
+ |
} catch (NullPointerException success) {} |
1958 |
+ |
} |
1959 |
+ |
|
1960 |
+ |
void setRejectedExecutionHandler( |
1961 |
+ |
ThreadPoolExecutor p, RejectedExecutionHandler handler) { |
1962 |
+ |
p.setRejectedExecutionHandler(handler); |
1963 |
+ |
assertSame(handler, p.getRejectedExecutionHandler()); |
1964 |
+ |
} |
1965 |
+ |
|
1966 |
+ |
void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) { |
1967 |
+ |
final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler(); |
1968 |
+ |
final long savedTaskCount = p.getTaskCount(); |
1969 |
+ |
final long savedCompletedTaskCount = p.getCompletedTaskCount(); |
1970 |
+ |
final int savedQueueSize = p.getQueue().size(); |
1971 |
+ |
final boolean stock = (p.getClass().getClassLoader() == null); |
1972 |
+ |
|
1973 |
+ |
Runnable r = () -> {}; |
1974 |
+ |
Callable<Boolean> c = () -> Boolean.TRUE; |
1975 |
+ |
|
1976 |
+ |
class Recorder implements RejectedExecutionHandler { |
1977 |
+ |
public volatile Runnable r = null; |
1978 |
+ |
public volatile ThreadPoolExecutor p = null; |
1979 |
+ |
public void reset() { r = null; p = null; } |
1980 |
+ |
public void rejectedExecution(Runnable r, ThreadPoolExecutor p) { |
1981 |
+ |
assertNull(this.r); |
1982 |
+ |
assertNull(this.p); |
1983 |
+ |
this.r = r; |
1984 |
+ |
this.p = p; |
1985 |
+ |
} |
1986 |
+ |
} |
1987 |
+ |
|
1988 |
+ |
// check custom handler is invoked exactly once per task |
1989 |
+ |
Recorder recorder = new Recorder(); |
1990 |
+ |
setRejectedExecutionHandler(p, recorder); |
1991 |
+ |
for (int i = 2; i--> 0; ) { |
1992 |
+ |
recorder.reset(); |
1993 |
+ |
p.execute(r); |
1994 |
+ |
if (stock && p.getClass() == ThreadPoolExecutor.class) |
1995 |
+ |
assertSame(r, recorder.r); |
1996 |
+ |
assertSame(p, recorder.p); |
1997 |
+ |
|
1998 |
+ |
recorder.reset(); |
1999 |
+ |
assertFalse(p.submit(r).isDone()); |
2000 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2001 |
+ |
assertSame(p, recorder.p); |
2002 |
+ |
|
2003 |
+ |
recorder.reset(); |
2004 |
+ |
assertFalse(p.submit(r, Boolean.TRUE).isDone()); |
2005 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2006 |
+ |
assertSame(p, recorder.p); |
2007 |
+ |
|
2008 |
+ |
recorder.reset(); |
2009 |
+ |
assertFalse(p.submit(c).isDone()); |
2010 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2011 |
+ |
assertSame(p, recorder.p); |
2012 |
+ |
|
2013 |
+ |
if (p instanceof ScheduledExecutorService) { |
2014 |
+ |
ScheduledExecutorService s = (ScheduledExecutorService) p; |
2015 |
+ |
ScheduledFuture<?> future; |
2016 |
+ |
|
2017 |
+ |
recorder.reset(); |
2018 |
+ |
future = s.schedule(r, randomTimeout(), randomTimeUnit()); |
2019 |
+ |
assertFalse(future.isDone()); |
2020 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2021 |
+ |
assertSame(p, recorder.p); |
2022 |
+ |
|
2023 |
+ |
recorder.reset(); |
2024 |
+ |
future = s.schedule(c, randomTimeout(), randomTimeUnit()); |
2025 |
+ |
assertFalse(future.isDone()); |
2026 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2027 |
+ |
assertSame(p, recorder.p); |
2028 |
+ |
|
2029 |
+ |
recorder.reset(); |
2030 |
+ |
future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2031 |
+ |
assertFalse(future.isDone()); |
2032 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2033 |
+ |
assertSame(p, recorder.p); |
2034 |
+ |
|
2035 |
+ |
recorder.reset(); |
2036 |
+ |
future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2037 |
+ |
assertFalse(future.isDone()); |
2038 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2039 |
+ |
assertSame(p, recorder.p); |
2040 |
+ |
} |
2041 |
+ |
} |
2042 |
+ |
|
2043 |
+ |
// Checking our custom handler above should be sufficient, but |
2044 |
+ |
// we add some integration tests of standard handlers. |
2045 |
+ |
final AtomicReference<Thread> thread = new AtomicReference<>(); |
2046 |
+ |
final Runnable setThread = () -> thread.set(Thread.currentThread()); |
2047 |
+ |
|
2048 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy()); |
2049 |
+ |
try { |
2050 |
+ |
p.execute(setThread); |
2051 |
+ |
shouldThrow(); |
2052 |
+ |
} catch (RejectedExecutionException success) {} |
2053 |
+ |
assertNull(thread.get()); |
2054 |
+ |
|
2055 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy()); |
2056 |
+ |
p.execute(setThread); |
2057 |
+ |
assertNull(thread.get()); |
2058 |
+ |
|
2059 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy()); |
2060 |
+ |
p.execute(setThread); |
2061 |
+ |
if (p.isShutdown()) |
2062 |
+ |
assertNull(thread.get()); |
2063 |
+ |
else |
2064 |
+ |
assertSame(Thread.currentThread(), thread.get()); |
2065 |
+ |
|
2066 |
+ |
setRejectedExecutionHandler(p, savedHandler); |
2067 |
+ |
|
2068 |
+ |
// check that pool was not perturbed by handlers |
2069 |
+ |
assertEquals(savedTaskCount, p.getTaskCount()); |
2070 |
+ |
assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount()); |
2071 |
+ |
assertEquals(savedQueueSize, p.getQueue().size()); |
2072 |
+ |
} |
2073 |
+ |
|
2074 |
+ |
void assertCollectionsEquals(Collection<?> x, Collection<?> y) { |
2075 |
+ |
assertEquals(x, y); |
2076 |
+ |
assertEquals(y, x); |
2077 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2078 |
+ |
assertEquals(x.size(), y.size()); |
2079 |
+ |
if (x instanceof List) { |
2080 |
+ |
assertEquals(x.toString(), y.toString()); |
2081 |
+ |
} |
2082 |
+ |
if (x instanceof List || x instanceof Set) { |
2083 |
+ |
assertEquals(x.hashCode(), y.hashCode()); |
2084 |
+ |
} |
2085 |
+ |
if (x instanceof List || x instanceof Deque) { |
2086 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2087 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2088 |
+ |
y.toArray(new Object[0]))); |
2089 |
+ |
} |
2090 |
+ |
} |
2091 |
+ |
|
2092 |
+ |
/** |
2093 |
+ |
* A weaker form of assertCollectionsEquals which does not insist |
2094 |
+ |
* that the two collections satisfy Object#equals(Object), since |
2095 |
+ |
* they may use identity semantics as Deques do. |
2096 |
+ |
*/ |
2097 |
+ |
void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) { |
2098 |
+ |
if (x instanceof List || x instanceof Set) |
2099 |
+ |
assertCollectionsEquals(x, y); |
2100 |
+ |
else { |
2101 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2102 |
+ |
assertEquals(x.size(), y.size()); |
2103 |
+ |
assertEquals(new HashSet(x), new HashSet(y)); |
2104 |
+ |
if (x instanceof Deque) { |
2105 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2106 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2107 |
+ |
y.toArray(new Object[0]))); |
2108 |
+ |
} |
2109 |
+ |
} |
2110 |
+ |
} |
2111 |
|
} |