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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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import junit.framework.*; |
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import java.util.PropertyPermission; |
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import java.util.concurrent.*; |
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import java.util.concurrent.atomic.AtomicReference; |
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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.ByteArrayOutputStream; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.ThreadInfo; |
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import java.lang.management.ThreadMXBean; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.Modifier; |
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import java.nio.file.Files; |
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import java.nio.file.Paths; |
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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.Policy; |
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import java.security.ProtectionDomain; |
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import java.security.SecurityPermission; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.NoSuchElementException; |
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import java.util.PropertyPermission; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.Semaphore; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicReference; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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|
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import junit.framework.AssertionFailedError; |
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import junit.framework.Test; |
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import junit.framework.TestCase; |
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import junit.framework.TestResult; |
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import junit.framework.TestSuite; |
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|
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/** |
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* Base class for JSR166 Junit TCK tests. Defines some constants, |
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* |
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* <ol> |
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* |
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* <li> All assertions in code running in generated threads must use |
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* <li>All assertions in code running in generated threads must use |
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* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
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* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
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* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
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* particularly recommended) for other code to use these forms too. |
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* Only the most typically used JUnit assertion methods are defined |
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* this way, but enough to live with.</li> |
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* this way, but enough to live with. |
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* |
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* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
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* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
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* to invoke {@code super.setUp} and {@code super.tearDown} within |
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* them. These methods are used to clear and check for thread |
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* assertion failures.</li> |
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* assertion failures. |
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* |
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* <li>All delays and timeouts must use one of the constants {@code |
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* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
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* is always discriminable as larger than SHORT and smaller than |
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* MEDIUM. And so on. These constants are set to conservative values, |
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* but even so, if there is ever any doubt, they can all be increased |
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* in one spot to rerun tests on slower platforms.</li> |
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* in one spot to rerun tests on slower platforms. |
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* |
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* <li> All threads generated must be joined inside each test case |
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* <li>All threads generated must be joined inside each test case |
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* method (or {@code fail} to do so) before returning from the |
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* method. The {@code joinPool} method can be used to do this when |
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* using Executors.</li> |
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* using Executors. |
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* |
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* </ol> |
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* |
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* <p> <b>Other notes</b> |
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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 |
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* <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 |
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* "normal" behaviors differ significantly. And sometimes testcases |
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* cover multiple methods when they cannot be tested in |
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* isolation.</li> |
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* isolation. |
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* |
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* <li> The documentation style for testcases is to provide as javadoc |
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* <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 |
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* method purports to test. The javadocs do not say anything about how |
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* the property is tested. To find out, read the code.</li> |
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* the property is tested. To find out, read the code. |
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* |
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* <li> These tests are "conformance tests", and do not attempt to |
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* <li>These tests are "conformance tests", and do not attempt to |
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* test throughput, latency, scalability or other performance factors |
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* (see the separate "jtreg" tests for a set intended to check these |
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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 |
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* needed to check basic conformance.</li> |
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> |
* needed to check basic conformance. |
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* |
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* <li>The test classes currently do not declare inclusion in |
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* any particular package to simplify things for people integrating |
132 |
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* them in TCK test suites.</li> |
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> |
* them in TCK test suites. |
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* |
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* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
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* runs all JSR166 unit tests.</li> |
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> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
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> |
* runs all JSR166 unit tests. |
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* |
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* </ul> |
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*/ |
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private static final boolean useSecurityManager = |
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Boolean.getBoolean("jsr166.useSecurityManager"); |
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|
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protected static final boolean expensiveTests = |
144 |
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Boolean.getBoolean("jsr166.expensiveTests"); |
145 |
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|
146 |
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/** |
147 |
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* If true, also run tests that are not part of the official tck |
148 |
+ |
* because they test unspecified implementation details. |
149 |
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*/ |
150 |
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protected static final boolean testImplementationDetails = |
151 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
152 |
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|
153 |
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/** |
154 |
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* If true, report on stdout all "slow" tests, that is, ones that |
155 |
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* take more than profileThreshold milliseconds to execute. |
156 |
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*/ |
157 |
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private static final boolean profileTests = |
158 |
+ |
Boolean.getBoolean("jsr166.profileTests"); |
159 |
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|
160 |
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/** |
161 |
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* The number of milliseconds that tests are permitted for |
162 |
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* execution without being reported, when profileTests is set. |
163 |
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*/ |
164 |
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private static final long profileThreshold = |
165 |
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Long.getLong("jsr166.profileThreshold", 100); |
166 |
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|
167 |
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/** |
168 |
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* The number of repetitions per test (for tickling rare bugs). |
169 |
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*/ |
170 |
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private static final int runsPerTest = |
171 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
172 |
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|
173 |
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/** |
174 |
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* The number of repetitions of the test suite (for finding leaks?). |
175 |
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*/ |
176 |
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private static final int suiteRuns = |
177 |
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Integer.getInteger("jsr166.suiteRuns", 1); |
178 |
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|
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public JSR166TestCase() { super(); } |
180 |
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public JSR166TestCase(String name) { super(name); } |
181 |
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|
182 |
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/** |
183 |
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* A filter for tests to run, matching strings of the form |
184 |
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* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
185 |
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* Usefully combined with jsr166.runsPerTest. |
186 |
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*/ |
187 |
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private static final Pattern methodFilter = methodFilter(); |
188 |
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|
189 |
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private static Pattern methodFilter() { |
190 |
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String regex = System.getProperty("jsr166.methodFilter"); |
191 |
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return (regex == null) ? null : Pattern.compile(regex); |
192 |
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} |
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|
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// Instrumentation to debug very rare, but very annoying hung test runs. |
195 |
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static volatile TestCase currentTestCase; |
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// static volatile int currentRun = 0; |
197 |
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static { |
198 |
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Runnable checkForWedgedTest = new Runnable() { public void run() { |
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// avoid spurious reports with enormous runsPerTest |
200 |
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final int timeoutMinutes = Math.max(runsPerTest / 10, 1); |
201 |
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for (TestCase lastTestCase = currentTestCase;;) { |
202 |
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try { MINUTES.sleep(timeoutMinutes); } |
203 |
+ |
catch (InterruptedException unexpected) { break; } |
204 |
+ |
if (lastTestCase == currentTestCase) { |
205 |
+ |
System.err.printf( |
206 |
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"Looks like we're stuck running test: %s%n", |
207 |
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lastTestCase); |
208 |
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// System.err.printf( |
209 |
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// "Looks like we're stuck running test: %s (%d/%d)%n", |
210 |
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// lastTestCase, currentRun, runsPerTest); |
211 |
+ |
System.err.println("availableProcessors=" + |
212 |
+ |
Runtime.getRuntime().availableProcessors()); |
213 |
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System.err.printf("cpu model = %s%n", cpuModel()); |
214 |
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dumpTestThreads(); |
215 |
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// one stack dump is probably enough; more would be spam |
216 |
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break; |
217 |
+ |
} |
218 |
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lastTestCase = currentTestCase; |
219 |
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}}}; |
220 |
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Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
221 |
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thread.setDaemon(true); |
222 |
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thread.start(); |
223 |
+ |
} |
224 |
+ |
|
225 |
+ |
public static String cpuModel() { |
226 |
+ |
try { |
227 |
+ |
Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
228 |
+ |
.matcher(new String( |
229 |
+ |
Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
230 |
+ |
matcher.find(); |
231 |
+ |
return matcher.group(1); |
232 |
+ |
} catch (Exception ex) { return null; } |
233 |
+ |
} |
234 |
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|
235 |
+ |
public void runBare() throws Throwable { |
236 |
+ |
currentTestCase = this; |
237 |
+ |
if (methodFilter == null |
238 |
+ |
|| methodFilter.matcher(toString()).find()) |
239 |
+ |
super.runBare(); |
240 |
+ |
} |
241 |
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|
242 |
+ |
protected void runTest() throws Throwable { |
243 |
+ |
for (int i = 0; i < runsPerTest; i++) { |
244 |
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// currentRun = i; |
245 |
+ |
if (profileTests) |
246 |
+ |
runTestProfiled(); |
247 |
+ |
else |
248 |
+ |
super.runTest(); |
249 |
+ |
} |
250 |
+ |
} |
251 |
+ |
|
252 |
+ |
protected void runTestProfiled() throws Throwable { |
253 |
+ |
for (int i = 0; i < 2; i++) { |
254 |
+ |
long startTime = System.nanoTime(); |
255 |
+ |
super.runTest(); |
256 |
+ |
long elapsedMillis = millisElapsedSince(startTime); |
257 |
+ |
if (elapsedMillis < profileThreshold) |
258 |
+ |
break; |
259 |
+ |
// Never report first run of any test; treat it as a |
260 |
+ |
// warmup run, notably to trigger all needed classloading, |
261 |
+ |
if (i > 0) |
262 |
+ |
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
263 |
+ |
} |
264 |
+ |
} |
265 |
+ |
|
266 |
|
/** |
267 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
267 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
268 |
|
*/ |
269 |
|
public static void main(String[] args) { |
270 |
+ |
main(suite(), args); |
271 |
+ |
} |
272 |
+ |
|
273 |
+ |
/** |
274 |
+ |
* Runs all unit tests in the given test suite. |
275 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
276 |
+ |
*/ |
277 |
+ |
static void main(Test suite, String[] args) { |
278 |
|
if (useSecurityManager) { |
279 |
|
System.err.println("Setting a permissive security manager"); |
280 |
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Policy.setPolicy(permissivePolicy()); |
281 |
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System.setSecurityManager(new SecurityManager()); |
282 |
|
} |
283 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
284 |
< |
|
285 |
< |
Test s = suite(); |
286 |
< |
for (int i = 0; i < iters; ++i) { |
112 |
< |
junit.textui.TestRunner.run(s); |
283 |
> |
for (int i = 0; i < suiteRuns; i++) { |
284 |
> |
TestResult result = junit.textui.TestRunner.run(suite); |
285 |
> |
if (!result.wasSuccessful()) |
286 |
> |
System.exit(1); |
287 |
|
System.gc(); |
288 |
|
System.runFinalization(); |
289 |
|
} |
290 |
< |
System.exit(0); |
290 |
> |
} |
291 |
> |
|
292 |
> |
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
293 |
> |
TestSuite suite = new TestSuite(); |
294 |
> |
for (Object suiteOrClass : suiteOrClasses) { |
295 |
> |
if (suiteOrClass instanceof TestSuite) |
296 |
> |
suite.addTest((TestSuite) suiteOrClass); |
297 |
> |
else if (suiteOrClass instanceof Class) |
298 |
> |
suite.addTest(new TestSuite((Class<?>) suiteOrClass)); |
299 |
> |
else |
300 |
> |
throw new ClassCastException("not a test suite or class"); |
301 |
> |
} |
302 |
> |
return suite; |
303 |
> |
} |
304 |
> |
|
305 |
> |
public static void addNamedTestClasses(TestSuite suite, |
306 |
> |
String... testClassNames) { |
307 |
> |
for (String testClassName : testClassNames) { |
308 |
> |
try { |
309 |
> |
Class<?> testClass = Class.forName(testClassName); |
310 |
> |
Method m = testClass.getDeclaredMethod("suite", |
311 |
> |
new Class<?>[0]); |
312 |
> |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
313 |
> |
} catch (Exception e) { |
314 |
> |
throw new Error("Missing test class", e); |
315 |
> |
} |
316 |
> |
} |
317 |
> |
} |
318 |
> |
|
319 |
> |
public static final double JAVA_CLASS_VERSION; |
320 |
> |
public static final String JAVA_SPECIFICATION_VERSION; |
321 |
> |
static { |
322 |
> |
try { |
323 |
> |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
324 |
> |
new java.security.PrivilegedAction<Double>() { |
325 |
> |
public Double run() { |
326 |
> |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
327 |
> |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
328 |
> |
new java.security.PrivilegedAction<String>() { |
329 |
> |
public String run() { |
330 |
> |
return System.getProperty("java.specification.version");}}); |
331 |
> |
} catch (Throwable t) { |
332 |
> |
throw new Error(t); |
333 |
> |
} |
334 |
> |
} |
335 |
> |
|
336 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
337 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
338 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
339 |
> |
public static boolean atLeastJava9() { |
340 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
341 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
342 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
343 |
> |
} |
344 |
> |
public static boolean atLeastJava10() { |
345 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
346 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
347 |
|
} |
348 |
|
|
349 |
|
/** |
350 |
< |
* Collects all JSR166 unit tests as one suite |
350 |
> |
* Collects all JSR166 unit tests as one suite. |
351 |
|
*/ |
352 |
|
public static Test suite() { |
353 |
< |
TestSuite suite = new TestSuite("JSR166 Unit Tests"); |
354 |
< |
|
355 |
< |
suite.addTest(ForkJoinPoolTest.suite()); |
356 |
< |
suite.addTest(ForkJoinTaskTest.suite()); |
357 |
< |
suite.addTest(RecursiveActionTest.suite()); |
358 |
< |
suite.addTest(RecursiveTaskTest.suite()); |
359 |
< |
suite.addTest(LinkedTransferQueueTest.suite()); |
360 |
< |
suite.addTest(PhaserTest.suite()); |
361 |
< |
suite.addTest(ThreadLocalRandomTest.suite()); |
362 |
< |
suite.addTest(AbstractExecutorServiceTest.suite()); |
363 |
< |
suite.addTest(AbstractQueueTest.suite()); |
364 |
< |
suite.addTest(AbstractQueuedSynchronizerTest.suite()); |
365 |
< |
suite.addTest(AbstractQueuedLongSynchronizerTest.suite()); |
366 |
< |
suite.addTest(ArrayBlockingQueueTest.suite()); |
367 |
< |
suite.addTest(ArrayDequeTest.suite()); |
368 |
< |
suite.addTest(AtomicBooleanTest.suite()); |
369 |
< |
suite.addTest(AtomicIntegerArrayTest.suite()); |
370 |
< |
suite.addTest(AtomicIntegerFieldUpdaterTest.suite()); |
371 |
< |
suite.addTest(AtomicIntegerTest.suite()); |
372 |
< |
suite.addTest(AtomicLongArrayTest.suite()); |
373 |
< |
suite.addTest(AtomicLongFieldUpdaterTest.suite()); |
374 |
< |
suite.addTest(AtomicLongTest.suite()); |
375 |
< |
suite.addTest(AtomicMarkableReferenceTest.suite()); |
376 |
< |
suite.addTest(AtomicReferenceArrayTest.suite()); |
377 |
< |
suite.addTest(AtomicReferenceFieldUpdaterTest.suite()); |
378 |
< |
suite.addTest(AtomicReferenceTest.suite()); |
379 |
< |
suite.addTest(AtomicStampedReferenceTest.suite()); |
380 |
< |
suite.addTest(ConcurrentHashMapTest.suite()); |
381 |
< |
suite.addTest(ConcurrentLinkedDequeTest.suite()); |
382 |
< |
suite.addTest(ConcurrentLinkedQueueTest.suite()); |
383 |
< |
suite.addTest(ConcurrentSkipListMapTest.suite()); |
384 |
< |
suite.addTest(ConcurrentSkipListSubMapTest.suite()); |
385 |
< |
suite.addTest(ConcurrentSkipListSetTest.suite()); |
386 |
< |
suite.addTest(ConcurrentSkipListSubSetTest.suite()); |
387 |
< |
suite.addTest(CopyOnWriteArrayListTest.suite()); |
388 |
< |
suite.addTest(CopyOnWriteArraySetTest.suite()); |
389 |
< |
suite.addTest(CountDownLatchTest.suite()); |
390 |
< |
suite.addTest(CyclicBarrierTest.suite()); |
391 |
< |
suite.addTest(DelayQueueTest.suite()); |
392 |
< |
suite.addTest(EntryTest.suite()); |
393 |
< |
suite.addTest(ExchangerTest.suite()); |
394 |
< |
suite.addTest(ExecutorsTest.suite()); |
395 |
< |
suite.addTest(ExecutorCompletionServiceTest.suite()); |
396 |
< |
suite.addTest(FutureTaskTest.suite()); |
397 |
< |
suite.addTest(LinkedBlockingDequeTest.suite()); |
398 |
< |
suite.addTest(LinkedBlockingQueueTest.suite()); |
399 |
< |
suite.addTest(LinkedListTest.suite()); |
400 |
< |
suite.addTest(LockSupportTest.suite()); |
401 |
< |
suite.addTest(PriorityBlockingQueueTest.suite()); |
402 |
< |
suite.addTest(PriorityQueueTest.suite()); |
403 |
< |
suite.addTest(ReentrantLockTest.suite()); |
404 |
< |
suite.addTest(ReentrantReadWriteLockTest.suite()); |
405 |
< |
suite.addTest(ScheduledExecutorTest.suite()); |
406 |
< |
suite.addTest(ScheduledExecutorSubclassTest.suite()); |
407 |
< |
suite.addTest(SemaphoreTest.suite()); |
408 |
< |
suite.addTest(SynchronousQueueTest.suite()); |
409 |
< |
suite.addTest(SystemTest.suite()); |
410 |
< |
suite.addTest(ThreadLocalTest.suite()); |
411 |
< |
suite.addTest(ThreadPoolExecutorTest.suite()); |
412 |
< |
suite.addTest(ThreadPoolExecutorSubclassTest.suite()); |
413 |
< |
suite.addTest(ThreadTest.suite()); |
414 |
< |
suite.addTest(TimeUnitTest.suite()); |
415 |
< |
suite.addTest(TreeMapTest.suite()); |
416 |
< |
suite.addTest(TreeSetTest.suite()); |
417 |
< |
suite.addTest(TreeSubMapTest.suite()); |
418 |
< |
suite.addTest(TreeSubSetTest.suite()); |
353 |
> |
// Java7+ test classes |
354 |
> |
TestSuite suite = newTestSuite( |
355 |
> |
ForkJoinPoolTest.suite(), |
356 |
> |
ForkJoinTaskTest.suite(), |
357 |
> |
RecursiveActionTest.suite(), |
358 |
> |
RecursiveTaskTest.suite(), |
359 |
> |
LinkedTransferQueueTest.suite(), |
360 |
> |
PhaserTest.suite(), |
361 |
> |
ThreadLocalRandomTest.suite(), |
362 |
> |
AbstractExecutorServiceTest.suite(), |
363 |
> |
AbstractQueueTest.suite(), |
364 |
> |
AbstractQueuedSynchronizerTest.suite(), |
365 |
> |
AbstractQueuedLongSynchronizerTest.suite(), |
366 |
> |
ArrayBlockingQueueTest.suite(), |
367 |
> |
ArrayDequeTest.suite(), |
368 |
> |
AtomicBooleanTest.suite(), |
369 |
> |
AtomicIntegerArrayTest.suite(), |
370 |
> |
AtomicIntegerFieldUpdaterTest.suite(), |
371 |
> |
AtomicIntegerTest.suite(), |
372 |
> |
AtomicLongArrayTest.suite(), |
373 |
> |
AtomicLongFieldUpdaterTest.suite(), |
374 |
> |
AtomicLongTest.suite(), |
375 |
> |
AtomicMarkableReferenceTest.suite(), |
376 |
> |
AtomicReferenceArrayTest.suite(), |
377 |
> |
AtomicReferenceFieldUpdaterTest.suite(), |
378 |
> |
AtomicReferenceTest.suite(), |
379 |
> |
AtomicStampedReferenceTest.suite(), |
380 |
> |
ConcurrentHashMapTest.suite(), |
381 |
> |
ConcurrentLinkedDequeTest.suite(), |
382 |
> |
ConcurrentLinkedQueueTest.suite(), |
383 |
> |
ConcurrentSkipListMapTest.suite(), |
384 |
> |
ConcurrentSkipListSubMapTest.suite(), |
385 |
> |
ConcurrentSkipListSetTest.suite(), |
386 |
> |
ConcurrentSkipListSubSetTest.suite(), |
387 |
> |
CopyOnWriteArrayListTest.suite(), |
388 |
> |
CopyOnWriteArraySetTest.suite(), |
389 |
> |
CountDownLatchTest.suite(), |
390 |
> |
CyclicBarrierTest.suite(), |
391 |
> |
DelayQueueTest.suite(), |
392 |
> |
EntryTest.suite(), |
393 |
> |
ExchangerTest.suite(), |
394 |
> |
ExecutorsTest.suite(), |
395 |
> |
ExecutorCompletionServiceTest.suite(), |
396 |
> |
FutureTaskTest.suite(), |
397 |
> |
LinkedBlockingDequeTest.suite(), |
398 |
> |
LinkedBlockingQueueTest.suite(), |
399 |
> |
LinkedListTest.suite(), |
400 |
> |
LockSupportTest.suite(), |
401 |
> |
PriorityBlockingQueueTest.suite(), |
402 |
> |
PriorityQueueTest.suite(), |
403 |
> |
ReentrantLockTest.suite(), |
404 |
> |
ReentrantReadWriteLockTest.suite(), |
405 |
> |
ScheduledExecutorTest.suite(), |
406 |
> |
ScheduledExecutorSubclassTest.suite(), |
407 |
> |
SemaphoreTest.suite(), |
408 |
> |
SynchronousQueueTest.suite(), |
409 |
> |
SystemTest.suite(), |
410 |
> |
ThreadLocalTest.suite(), |
411 |
> |
ThreadPoolExecutorTest.suite(), |
412 |
> |
ThreadPoolExecutorSubclassTest.suite(), |
413 |
> |
ThreadTest.suite(), |
414 |
> |
TimeUnitTest.suite(), |
415 |
> |
TreeMapTest.suite(), |
416 |
> |
TreeSetTest.suite(), |
417 |
> |
TreeSubMapTest.suite(), |
418 |
> |
TreeSubSetTest.suite()); |
419 |
> |
|
420 |
> |
// Java8+ test classes |
421 |
> |
if (atLeastJava8()) { |
422 |
> |
String[] java8TestClassNames = { |
423 |
> |
"Atomic8Test", |
424 |
> |
"CompletableFutureTest", |
425 |
> |
"ConcurrentHashMap8Test", |
426 |
> |
"CountedCompleterTest", |
427 |
> |
"DoubleAccumulatorTest", |
428 |
> |
"DoubleAdderTest", |
429 |
> |
"ForkJoinPool8Test", |
430 |
> |
"ForkJoinTask8Test", |
431 |
> |
"LongAccumulatorTest", |
432 |
> |
"LongAdderTest", |
433 |
> |
"SplittableRandomTest", |
434 |
> |
"StampedLockTest", |
435 |
> |
"SubmissionPublisherTest", |
436 |
> |
"ThreadLocalRandom8Test", |
437 |
> |
}; |
438 |
> |
addNamedTestClasses(suite, java8TestClassNames); |
439 |
> |
} |
440 |
> |
|
441 |
> |
// Java9+ test classes |
442 |
> |
if (atLeastJava9()) { |
443 |
> |
String[] java9TestClassNames = { |
444 |
> |
// Currently empty, but expecting varhandle tests |
445 |
> |
}; |
446 |
> |
addNamedTestClasses(suite, java9TestClassNames); |
447 |
> |
} |
448 |
|
|
449 |
|
return suite; |
450 |
|
} |
451 |
|
|
452 |
+ |
/** Returns list of junit-style test method names in given class. */ |
453 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
454 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
455 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
456 |
+ |
for (Method method : methods) { |
457 |
+ |
if (method.getName().startsWith("test") |
458 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
459 |
+ |
// method.getParameterCount() requires jdk8+ |
460 |
+ |
&& method.getParameterTypes().length == 0) { |
461 |
+ |
names.add(method.getName()); |
462 |
+ |
} |
463 |
+ |
} |
464 |
+ |
return names; |
465 |
+ |
} |
466 |
+ |
|
467 |
+ |
/** |
468 |
+ |
* Returns junit-style testSuite for the given test class, but |
469 |
+ |
* parameterized by passing extra data to each test. |
470 |
+ |
*/ |
471 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
472 |
+ |
(Class<? extends JSR166TestCase> testClass, |
473 |
+ |
Class<ExtraData> dataClass, |
474 |
+ |
ExtraData data) { |
475 |
+ |
try { |
476 |
+ |
TestSuite suite = new TestSuite(); |
477 |
+ |
Constructor c = |
478 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
479 |
+ |
for (String methodName : testMethodNames(testClass)) |
480 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
481 |
+ |
return suite; |
482 |
+ |
} catch (Exception e) { |
483 |
+ |
throw new Error(e); |
484 |
+ |
} |
485 |
+ |
} |
486 |
+ |
|
487 |
+ |
/** |
488 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
489 |
+ |
* given test class, but parameterized by passing extra data to |
490 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
491 |
+ |
*/ |
492 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
493 |
+ |
(Class<? extends JSR166TestCase> testClass, |
494 |
+ |
Class<ExtraData> dataClass, |
495 |
+ |
ExtraData data) { |
496 |
+ |
if (atLeastJava8()) { |
497 |
+ |
String name = testClass.getName(); |
498 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
499 |
+ |
if (name.equals(name8)) throw new Error(name); |
500 |
+ |
try { |
501 |
+ |
return (Test) |
502 |
+ |
Class.forName(name8) |
503 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
504 |
+ |
.invoke(null, data); |
505 |
+ |
} catch (Exception e) { |
506 |
+ |
throw new Error(e); |
507 |
+ |
} |
508 |
+ |
} else { |
509 |
+ |
return new TestSuite(); |
510 |
+ |
} |
511 |
+ |
} |
512 |
+ |
|
513 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
514 |
|
|
515 |
|
public static long SHORT_DELAY_MS; |
516 |
|
public static long SMALL_DELAY_MS; |
517 |
|
public static long MEDIUM_DELAY_MS; |
518 |
|
public static long LONG_DELAY_MS; |
519 |
|
|
199 |
– |
|
520 |
|
/** |
521 |
|
* Returns the shortest timed delay. This could |
522 |
|
* be reimplemented to use for example a Property. |
525 |
|
return 50; |
526 |
|
} |
527 |
|
|
208 |
– |
|
528 |
|
/** |
529 |
|
* Sets delays as multiples of SHORT_DELAY. |
530 |
|
*/ |
532 |
|
SHORT_DELAY_MS = getShortDelay(); |
533 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
534 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
535 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
535 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
536 |
> |
} |
537 |
> |
|
538 |
> |
/** |
539 |
> |
* Returns a timeout in milliseconds to be used in tests that |
540 |
> |
* verify that operations block or time out. |
541 |
> |
*/ |
542 |
> |
long timeoutMillis() { |
543 |
> |
return SHORT_DELAY_MS / 4; |
544 |
> |
} |
545 |
> |
|
546 |
> |
/** |
547 |
> |
* Returns a new Date instance representing a time at least |
548 |
> |
* delayMillis milliseconds in the future. |
549 |
> |
*/ |
550 |
> |
Date delayedDate(long delayMillis) { |
551 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
552 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
553 |
|
} |
554 |
|
|
555 |
|
/** |
565 |
|
* the same test have no effect. |
566 |
|
*/ |
567 |
|
public void threadRecordFailure(Throwable t) { |
568 |
+ |
System.err.println(t); |
569 |
+ |
dumpTestThreads(); |
570 |
|
threadFailure.compareAndSet(null, t); |
571 |
|
} |
572 |
|
|
574 |
|
setDelays(); |
575 |
|
} |
576 |
|
|
577 |
+ |
void tearDownFail(String format, Object... args) { |
578 |
+ |
String msg = toString() + ": " + String.format(format, args); |
579 |
+ |
System.err.println(msg); |
580 |
+ |
dumpTestThreads(); |
581 |
+ |
throw new AssertionFailedError(msg); |
582 |
+ |
} |
583 |
+ |
|
584 |
|
/** |
585 |
+ |
* Extra checks that get done for all test cases. |
586 |
+ |
* |
587 |
|
* Triggers test case failure if any thread assertions have failed, |
588 |
|
* by rethrowing, in the test harness thread, any exception recorded |
589 |
|
* earlier by threadRecordFailure. |
590 |
+ |
* |
591 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
592 |
|
*/ |
593 |
|
public void tearDown() throws Exception { |
594 |
< |
Throwable t = threadFailure.get(); |
594 |
> |
Throwable t = threadFailure.getAndSet(null); |
595 |
|
if (t != null) { |
596 |
|
if (t instanceof Error) |
597 |
|
throw (Error) t; |
606 |
|
throw afe; |
607 |
|
} |
608 |
|
} |
609 |
+ |
|
610 |
+ |
if (Thread.interrupted()) |
611 |
+ |
tearDownFail("interrupt status set in main thread"); |
612 |
+ |
|
613 |
+ |
checkForkJoinPoolThreadLeaks(); |
614 |
+ |
} |
615 |
+ |
|
616 |
+ |
/** |
617 |
+ |
* Finds missing PoolCleaners |
618 |
+ |
*/ |
619 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
620 |
+ |
Thread[] survivors = new Thread[7]; |
621 |
+ |
int count = Thread.enumerate(survivors); |
622 |
+ |
for (int i = 0; i < count; i++) { |
623 |
+ |
Thread thread = survivors[i]; |
624 |
+ |
String name = thread.getName(); |
625 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
626 |
+ |
// give thread some time to terminate |
627 |
+ |
thread.join(LONG_DELAY_MS); |
628 |
+ |
if (thread.isAlive()) |
629 |
+ |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
630 |
+ |
thread); |
631 |
+ |
} |
632 |
+ |
} |
633 |
+ |
|
634 |
+ |
if (!ForkJoinPool.commonPool() |
635 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
636 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
637 |
|
} |
638 |
|
|
639 |
|
/** |
646 |
|
fail(reason); |
647 |
|
} catch (AssertionFailedError t) { |
648 |
|
threadRecordFailure(t); |
649 |
< |
fail(reason); |
649 |
> |
throw t; |
650 |
|
} |
651 |
|
} |
652 |
|
|
714 |
|
public void threadAssertEquals(Object x, Object y) { |
715 |
|
try { |
716 |
|
assertEquals(x, y); |
717 |
< |
} catch (AssertionFailedError t) { |
718 |
< |
threadRecordFailure(t); |
719 |
< |
throw t; |
720 |
< |
} catch (Throwable t) { |
721 |
< |
threadUnexpectedException(t); |
717 |
> |
} catch (AssertionFailedError fail) { |
718 |
> |
threadRecordFailure(fail); |
719 |
> |
throw fail; |
720 |
> |
} catch (Throwable fail) { |
721 |
> |
threadUnexpectedException(fail); |
722 |
|
} |
723 |
|
} |
724 |
|
|
730 |
|
public void threadAssertSame(Object x, Object y) { |
731 |
|
try { |
732 |
|
assertSame(x, y); |
733 |
< |
} catch (AssertionFailedError t) { |
734 |
< |
threadRecordFailure(t); |
735 |
< |
throw t; |
733 |
> |
} catch (AssertionFailedError fail) { |
734 |
> |
threadRecordFailure(fail); |
735 |
> |
throw fail; |
736 |
|
} |
737 |
|
} |
738 |
|
|
765 |
|
else { |
766 |
|
AssertionFailedError afe = |
767 |
|
new AssertionFailedError("unexpected exception: " + t); |
768 |
< |
t.initCause(t); |
768 |
> |
afe.initCause(t); |
769 |
|
throw afe; |
770 |
|
} |
771 |
|
} |
772 |
|
|
773 |
|
/** |
774 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
775 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
776 |
+ |
* until time elapses. Ensures that the given time, as measured |
777 |
+ |
* by System.nanoTime(), has elapsed. |
778 |
+ |
*/ |
779 |
+ |
static void delay(long millis) throws InterruptedException { |
780 |
+ |
long nanos = millis * (1000 * 1000); |
781 |
+ |
final long wakeupTime = System.nanoTime() + nanos; |
782 |
+ |
do { |
783 |
+ |
if (millis > 0L) |
784 |
+ |
Thread.sleep(millis); |
785 |
+ |
else // too short to sleep |
786 |
+ |
Thread.yield(); |
787 |
+ |
nanos = wakeupTime - System.nanoTime(); |
788 |
+ |
millis = nanos / (1000 * 1000); |
789 |
+ |
} while (nanos >= 0L); |
790 |
+ |
} |
791 |
+ |
|
792 |
+ |
/** |
793 |
+ |
* Allows use of try-with-resources with per-test thread pools. |
794 |
+ |
*/ |
795 |
+ |
class PoolCleaner implements AutoCloseable { |
796 |
+ |
private final ExecutorService pool; |
797 |
+ |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
798 |
+ |
public void close() { joinPool(pool); } |
799 |
+ |
} |
800 |
+ |
|
801 |
+ |
/** |
802 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
803 |
+ |
*/ |
804 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
805 |
+ |
private final Runnable releaser; |
806 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
807 |
+ |
super(pool); |
808 |
+ |
this.releaser = releaser; |
809 |
+ |
} |
810 |
+ |
public void close() { |
811 |
+ |
try { |
812 |
+ |
releaser.run(); |
813 |
+ |
} finally { |
814 |
+ |
super.close(); |
815 |
+ |
} |
816 |
+ |
} |
817 |
+ |
} |
818 |
+ |
|
819 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
820 |
+ |
return new PoolCleaner(pool); |
821 |
+ |
} |
822 |
+ |
|
823 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
824 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
825 |
+ |
} |
826 |
+ |
|
827 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
828 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
829 |
+ |
} |
830 |
+ |
|
831 |
+ |
Runnable releaser(final CountDownLatch latch) { |
832 |
+ |
return new Runnable() { public void run() { |
833 |
+ |
do { latch.countDown(); } |
834 |
+ |
while (latch.getCount() > 0); |
835 |
+ |
}}; |
836 |
+ |
} |
837 |
+ |
|
838 |
+ |
/** |
839 |
|
* Waits out termination of a thread pool or fails doing so. |
840 |
|
*/ |
841 |
< |
public void joinPool(ExecutorService exec) { |
841 |
> |
void joinPool(ExecutorService pool) { |
842 |
|
try { |
843 |
< |
exec.shutdown(); |
844 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
845 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
843 |
> |
pool.shutdown(); |
844 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
845 |
> |
try { |
846 |
> |
threadFail("ExecutorService " + pool + |
847 |
> |
" did not terminate in a timely manner"); |
848 |
> |
} finally { |
849 |
> |
// last resort, for the benefit of subsequent tests |
850 |
> |
pool.shutdownNow(); |
851 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
852 |
> |
} |
853 |
> |
} |
854 |
|
} catch (SecurityException ok) { |
855 |
|
// Allowed in case test doesn't have privs |
856 |
< |
} catch (InterruptedException ie) { |
857 |
< |
fail("Unexpected InterruptedException"); |
856 |
> |
} catch (InterruptedException fail) { |
857 |
> |
threadFail("Unexpected InterruptedException"); |
858 |
> |
} |
859 |
> |
} |
860 |
> |
|
861 |
> |
/** Like Runnable, but with the freedom to throw anything */ |
862 |
> |
interface Action { public void run() throws Throwable; } |
863 |
> |
|
864 |
> |
/** |
865 |
> |
* Runs all the given actions in parallel, failing if any fail. |
866 |
> |
* Useful for running multiple variants of tests that are |
867 |
> |
* necessarily individually slow because they must block. |
868 |
> |
*/ |
869 |
> |
void testInParallel(Action ... actions) { |
870 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
871 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
872 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
873 |
> |
for (final Action action : actions) |
874 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
875 |
> |
public void realRun() throws Throwable { action.run();}})); |
876 |
> |
for (Future<?> future : futures) |
877 |
> |
try { |
878 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
879 |
> |
} catch (ExecutionException ex) { |
880 |
> |
threadUnexpectedException(ex.getCause()); |
881 |
> |
} catch (Exception ex) { |
882 |
> |
threadUnexpectedException(ex); |
883 |
> |
} |
884 |
> |
} |
885 |
> |
} |
886 |
> |
|
887 |
> |
/** |
888 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
889 |
> |
* Uninteresting threads are filtered out. |
890 |
> |
*/ |
891 |
> |
static void dumpTestThreads() { |
892 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
893 |
> |
System.err.println("------ stacktrace dump start ------"); |
894 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
895 |
> |
String name = info.getThreadName(); |
896 |
> |
if ("Signal Dispatcher".equals(name)) |
897 |
> |
continue; |
898 |
> |
if ("Reference Handler".equals(name) |
899 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
900 |
> |
continue; |
901 |
> |
if ("Finalizer".equals(name) |
902 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
903 |
> |
continue; |
904 |
> |
if ("checkForWedgedTest".equals(name)) |
905 |
> |
continue; |
906 |
> |
System.err.print(info); |
907 |
|
} |
908 |
+ |
System.err.println("------ stacktrace dump end ------"); |
909 |
|
} |
910 |
|
|
911 |
+ |
/** |
912 |
+ |
* Checks that thread does not terminate within the default |
913 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
914 |
+ |
*/ |
915 |
+ |
void assertThreadStaysAlive(Thread thread) { |
916 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
917 |
+ |
} |
918 |
+ |
|
919 |
+ |
/** |
920 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
921 |
+ |
*/ |
922 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
923 |
+ |
try { |
924 |
+ |
// No need to optimize the failing case via Thread.join. |
925 |
+ |
delay(millis); |
926 |
+ |
assertTrue(thread.isAlive()); |
927 |
+ |
} catch (InterruptedException fail) { |
928 |
+ |
threadFail("Unexpected InterruptedException"); |
929 |
+ |
} |
930 |
+ |
} |
931 |
+ |
|
932 |
+ |
/** |
933 |
+ |
* Checks that the threads do not terminate within the default |
934 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
935 |
+ |
*/ |
936 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
937 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
938 |
+ |
} |
939 |
+ |
|
940 |
+ |
/** |
941 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
942 |
+ |
*/ |
943 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
944 |
+ |
try { |
945 |
+ |
// No need to optimize the failing case via Thread.join. |
946 |
+ |
delay(millis); |
947 |
+ |
for (Thread thread : threads) |
948 |
+ |
assertTrue(thread.isAlive()); |
949 |
+ |
} catch (InterruptedException fail) { |
950 |
+ |
threadFail("Unexpected InterruptedException"); |
951 |
+ |
} |
952 |
+ |
} |
953 |
+ |
|
954 |
+ |
/** |
955 |
+ |
* Checks that future.get times out, with the default timeout of |
956 |
+ |
* {@code timeoutMillis()}. |
957 |
+ |
*/ |
958 |
+ |
void assertFutureTimesOut(Future future) { |
959 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
960 |
+ |
} |
961 |
+ |
|
962 |
+ |
/** |
963 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
964 |
+ |
*/ |
965 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
966 |
+ |
long startTime = System.nanoTime(); |
967 |
+ |
try { |
968 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
969 |
+ |
shouldThrow(); |
970 |
+ |
} catch (TimeoutException success) { |
971 |
+ |
} catch (Exception fail) { |
972 |
+ |
threadUnexpectedException(fail); |
973 |
+ |
} finally { future.cancel(true); } |
974 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
975 |
+ |
} |
976 |
|
|
977 |
|
/** |
978 |
|
* Fails with message "should throw exception". |
1013 |
|
public static final Integer m6 = new Integer(-6); |
1014 |
|
public static final Integer m10 = new Integer(-10); |
1015 |
|
|
451 |
– |
|
1016 |
|
/** |
1017 |
|
* Runs Runnable r with a security policy that permits precisely |
1018 |
|
* the specified permissions. If there is no current security |
1024 |
|
SecurityManager sm = System.getSecurityManager(); |
1025 |
|
if (sm == null) { |
1026 |
|
r.run(); |
1027 |
+ |
} |
1028 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1029 |
+ |
} |
1030 |
+ |
|
1031 |
+ |
/** |
1032 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1033 |
+ |
* the specified permissions. If there is no current security |
1034 |
+ |
* manager, a temporary one is set for the duration of the |
1035 |
+ |
* Runnable. We require that any security manager permit |
1036 |
+ |
* getPolicy/setPolicy. |
1037 |
+ |
*/ |
1038 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1039 |
+ |
Permission... permissions) { |
1040 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1041 |
+ |
if (sm == null) { |
1042 |
|
Policy savedPolicy = Policy.getPolicy(); |
1043 |
|
try { |
1044 |
|
Policy.setPolicy(permissivePolicy()); |
1045 |
|
System.setSecurityManager(new SecurityManager()); |
1046 |
< |
runWithPermissions(r, permissions); |
1046 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1047 |
|
} finally { |
1048 |
|
System.setSecurityManager(null); |
1049 |
|
Policy.setPolicy(savedPolicy); |
1091 |
|
return perms.implies(p); |
1092 |
|
} |
1093 |
|
public void refresh() {} |
1094 |
+ |
public String toString() { |
1095 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
1096 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1097 |
+ |
ps.add(e.nextElement()); |
1098 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1099 |
+ |
} |
1100 |
|
} |
1101 |
|
|
1102 |
|
/** |
1119 |
|
} |
1120 |
|
|
1121 |
|
/** |
1122 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
1123 |
< |
* Does <em>NOT</em> throw InterruptedException. |
1122 |
> |
* Sleeps until the given time has elapsed. |
1123 |
> |
* Throws AssertionFailedError if interrupted. |
1124 |
|
*/ |
1125 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
1125 |
> |
void sleep(long millis) { |
1126 |
|
try { |
1127 |
< |
Thread.sleep(timeoutMillis); |
1128 |
< |
} catch (InterruptedException wakeup) {} |
1127 |
> |
delay(millis); |
1128 |
> |
} catch (InterruptedException fail) { |
1129 |
> |
AssertionFailedError afe = |
1130 |
> |
new AssertionFailedError("Unexpected InterruptedException"); |
1131 |
> |
afe.initCause(fail); |
1132 |
> |
throw afe; |
1133 |
> |
} |
1134 |
> |
} |
1135 |
> |
|
1136 |
> |
/** |
1137 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1138 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1139 |
> |
*/ |
1140 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1141 |
> |
long startTime = System.nanoTime(); |
1142 |
> |
for (;;) { |
1143 |
> |
Thread.State s = thread.getState(); |
1144 |
> |
if (s == Thread.State.BLOCKED || |
1145 |
> |
s == Thread.State.WAITING || |
1146 |
> |
s == Thread.State.TIMED_WAITING) |
1147 |
> |
return; |
1148 |
> |
else if (s == Thread.State.TERMINATED) |
1149 |
> |
fail("Unexpected thread termination"); |
1150 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1151 |
> |
threadAssertTrue(thread.isAlive()); |
1152 |
> |
return; |
1153 |
> |
} |
1154 |
> |
Thread.yield(); |
1155 |
> |
} |
1156 |
> |
} |
1157 |
> |
|
1158 |
> |
/** |
1159 |
> |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1160 |
> |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1161 |
> |
*/ |
1162 |
> |
void waitForThreadToEnterWaitState(Thread thread) { |
1163 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1164 |
> |
} |
1165 |
> |
|
1166 |
> |
/** |
1167 |
> |
* Returns the number of milliseconds since time given by |
1168 |
> |
* startNanoTime, which must have been previously returned from a |
1169 |
> |
* call to {@link System#nanoTime()}. |
1170 |
> |
*/ |
1171 |
> |
static long millisElapsedSince(long startNanoTime) { |
1172 |
> |
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1173 |
> |
} |
1174 |
> |
|
1175 |
> |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1176 |
> |
// long startTime = System.nanoTime(); |
1177 |
> |
// try { |
1178 |
> |
// r.run(); |
1179 |
> |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1180 |
> |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1181 |
> |
// throw new AssertionFailedError("did not return promptly"); |
1182 |
> |
// } |
1183 |
> |
|
1184 |
> |
// void assertTerminatesPromptly(Runnable r) { |
1185 |
> |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1186 |
> |
// } |
1187 |
> |
|
1188 |
> |
/** |
1189 |
> |
* Checks that timed f.get() returns the expected value, and does not |
1190 |
> |
* wait for the timeout to elapse before returning. |
1191 |
> |
*/ |
1192 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1193 |
> |
long startTime = System.nanoTime(); |
1194 |
> |
try { |
1195 |
> |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1196 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1197 |
> |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1198 |
> |
throw new AssertionFailedError("timed get did not return promptly"); |
1199 |
> |
} |
1200 |
> |
|
1201 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1202 |
> |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1203 |
|
} |
1204 |
|
|
1205 |
|
/** |
1220 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1221 |
|
try { |
1222 |
|
t.join(timeoutMillis); |
1223 |
< |
} catch (InterruptedException ie) { |
1224 |
< |
threadUnexpectedException(ie); |
1223 |
> |
} catch (InterruptedException fail) { |
1224 |
> |
threadUnexpectedException(fail); |
1225 |
|
} finally { |
1226 |
< |
if (t.isAlive()) { |
1226 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
1227 |
|
t.interrupt(); |
1228 |
< |
fail("Test timed out"); |
1228 |
> |
threadFail("Test timed out"); |
1229 |
|
} |
1230 |
|
} |
1231 |
|
} |
1232 |
|
|
1233 |
+ |
/** |
1234 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
1235 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
1236 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1237 |
+ |
*/ |
1238 |
+ |
void awaitTermination(Thread t) { |
1239 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
1240 |
+ |
} |
1241 |
+ |
|
1242 |
|
// Some convenient Runnable classes |
1243 |
|
|
1244 |
|
public abstract class CheckedRunnable implements Runnable { |
1247 |
|
public final void run() { |
1248 |
|
try { |
1249 |
|
realRun(); |
1250 |
< |
} catch (Throwable t) { |
1251 |
< |
threadUnexpectedException(t); |
1250 |
> |
} catch (Throwable fail) { |
1251 |
> |
threadUnexpectedException(fail); |
1252 |
|
} |
1253 |
|
} |
1254 |
|
} |
1301 |
|
realRun(); |
1302 |
|
threadShouldThrow("InterruptedException"); |
1303 |
|
} catch (InterruptedException success) { |
1304 |
< |
} catch (Throwable t) { |
1305 |
< |
threadUnexpectedException(t); |
1304 |
> |
threadAssertFalse(Thread.interrupted()); |
1305 |
> |
} catch (Throwable fail) { |
1306 |
> |
threadUnexpectedException(fail); |
1307 |
|
} |
1308 |
|
} |
1309 |
|
} |
1314 |
|
public final T call() { |
1315 |
|
try { |
1316 |
|
return realCall(); |
1317 |
< |
} catch (Throwable t) { |
1318 |
< |
threadUnexpectedException(t); |
1317 |
> |
} catch (Throwable fail) { |
1318 |
> |
threadUnexpectedException(fail); |
1319 |
|
return null; |
1320 |
|
} |
1321 |
|
} |
1331 |
|
threadShouldThrow("InterruptedException"); |
1332 |
|
return result; |
1333 |
|
} catch (InterruptedException success) { |
1334 |
< |
} catch (Throwable t) { |
1335 |
< |
threadUnexpectedException(t); |
1334 |
> |
threadAssertFalse(Thread.interrupted()); |
1335 |
> |
} catch (Throwable fail) { |
1336 |
> |
threadUnexpectedException(fail); |
1337 |
|
} |
1338 |
|
return null; |
1339 |
|
} |
1350 |
|
public static final String TEST_STRING = "a test string"; |
1351 |
|
|
1352 |
|
public static class StringTask implements Callable<String> { |
1353 |
< |
public String call() { return TEST_STRING; } |
1353 |
> |
final String value; |
1354 |
> |
public StringTask() { this(TEST_STRING); } |
1355 |
> |
public StringTask(String value) { this.value = value; } |
1356 |
> |
public String call() { return value; } |
1357 |
|
} |
1358 |
|
|
1359 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1360 |
|
return new CheckedCallable<String>() { |
1361 |
< |
public String realCall() { |
1361 |
> |
protected String realCall() { |
1362 |
|
try { |
1363 |
|
latch.await(); |
1364 |
|
} catch (InterruptedException quittingTime) {} |
1366 |
|
}}; |
1367 |
|
} |
1368 |
|
|
1369 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
1370 |
+ |
return new CheckedRunnable() { |
1371 |
+ |
public void realRun() throws InterruptedException { |
1372 |
+ |
latch.countDown(); |
1373 |
+ |
}}; |
1374 |
+ |
} |
1375 |
+ |
|
1376 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1377 |
+ |
static final int NEW = 0; |
1378 |
+ |
static final int RUNNING = 1; |
1379 |
+ |
static final int DONE = 2; |
1380 |
+ |
final CountDownLatch latch; |
1381 |
+ |
int state = NEW; |
1382 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1383 |
+ |
public void realRun() throws InterruptedException { |
1384 |
+ |
state = 1; |
1385 |
+ |
await(latch); |
1386 |
+ |
state = 2; |
1387 |
+ |
} |
1388 |
+ |
} |
1389 |
+ |
|
1390 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1391 |
+ |
return new LatchAwaiter(latch); |
1392 |
+ |
} |
1393 |
+ |
|
1394 |
+ |
public void await(CountDownLatch latch) { |
1395 |
+ |
try { |
1396 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1397 |
+ |
} catch (Throwable fail) { |
1398 |
+ |
threadUnexpectedException(fail); |
1399 |
+ |
} |
1400 |
+ |
} |
1401 |
+ |
|
1402 |
+ |
public void await(Semaphore semaphore) { |
1403 |
+ |
try { |
1404 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1405 |
+ |
} catch (Throwable fail) { |
1406 |
+ |
threadUnexpectedException(fail); |
1407 |
+ |
} |
1408 |
+ |
} |
1409 |
+ |
|
1410 |
+ |
// /** |
1411 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1412 |
+ |
// */ |
1413 |
+ |
// public void await(AtomicBoolean flag) { |
1414 |
+ |
// await(flag, LONG_DELAY_MS); |
1415 |
+ |
// } |
1416 |
+ |
|
1417 |
+ |
// /** |
1418 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1419 |
+ |
// */ |
1420 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1421 |
+ |
// long startTime = System.nanoTime(); |
1422 |
+ |
// while (!flag.get()) { |
1423 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1424 |
+ |
// throw new AssertionFailedError("timed out"); |
1425 |
+ |
// Thread.yield(); |
1426 |
+ |
// } |
1427 |
+ |
// } |
1428 |
+ |
|
1429 |
|
public static class NPETask implements Callable<String> { |
1430 |
|
public String call() { throw new NullPointerException(); } |
1431 |
|
} |
1436 |
|
|
1437 |
|
public class ShortRunnable extends CheckedRunnable { |
1438 |
|
protected void realRun() throws Throwable { |
1439 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1439 |
> |
delay(SHORT_DELAY_MS); |
1440 |
|
} |
1441 |
|
} |
1442 |
|
|
1443 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1444 |
|
protected void realRun() throws InterruptedException { |
1445 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1445 |
> |
delay(SHORT_DELAY_MS); |
1446 |
|
} |
1447 |
|
} |
1448 |
|
|
1449 |
|
public class SmallRunnable extends CheckedRunnable { |
1450 |
|
protected void realRun() throws Throwable { |
1451 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1451 |
> |
delay(SMALL_DELAY_MS); |
1452 |
|
} |
1453 |
|
} |
1454 |
|
|
1455 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1456 |
|
protected void realRun() { |
1457 |
|
try { |
1458 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1458 |
> |
delay(SMALL_DELAY_MS); |
1459 |
|
} catch (InterruptedException ok) {} |
1460 |
|
} |
1461 |
|
} |
1462 |
|
|
1463 |
|
public class SmallCallable extends CheckedCallable { |
1464 |
|
protected Object realCall() throws InterruptedException { |
1465 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1465 |
> |
delay(SMALL_DELAY_MS); |
1466 |
|
return Boolean.TRUE; |
1467 |
|
} |
1468 |
|
} |
1469 |
|
|
1470 |
|
public class MediumRunnable extends CheckedRunnable { |
1471 |
|
protected void realRun() throws Throwable { |
1472 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1472 |
> |
delay(MEDIUM_DELAY_MS); |
1473 |
|
} |
1474 |
|
} |
1475 |
|
|
1476 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1477 |
|
protected void realRun() throws InterruptedException { |
1478 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1478 |
> |
delay(MEDIUM_DELAY_MS); |
1479 |
|
} |
1480 |
|
} |
1481 |
|
|
1482 |
+ |
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1483 |
+ |
return new CheckedRunnable() { |
1484 |
+ |
protected void realRun() { |
1485 |
+ |
try { |
1486 |
+ |
delay(timeoutMillis); |
1487 |
+ |
} catch (InterruptedException ok) {} |
1488 |
+ |
}}; |
1489 |
+ |
} |
1490 |
+ |
|
1491 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1492 |
|
protected void realRun() { |
1493 |
|
try { |
1494 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1494 |
> |
delay(MEDIUM_DELAY_MS); |
1495 |
|
} catch (InterruptedException ok) {} |
1496 |
|
} |
1497 |
|
} |
1499 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1500 |
|
protected void realRun() { |
1501 |
|
try { |
1502 |
< |
Thread.sleep(LONG_DELAY_MS); |
1502 |
> |
delay(LONG_DELAY_MS); |
1503 |
|
} catch (InterruptedException ok) {} |
1504 |
|
} |
1505 |
|
} |
1513 |
|
} |
1514 |
|
} |
1515 |
|
|
1516 |
+ |
public interface TrackedRunnable extends Runnable { |
1517 |
+ |
boolean isDone(); |
1518 |
+ |
} |
1519 |
+ |
|
1520 |
+ |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1521 |
+ |
return new TrackedRunnable() { |
1522 |
+ |
private volatile boolean done = false; |
1523 |
+ |
public boolean isDone() { return done; } |
1524 |
+ |
public void run() { |
1525 |
+ |
try { |
1526 |
+ |
delay(timeoutMillis); |
1527 |
+ |
done = true; |
1528 |
+ |
} catch (InterruptedException ok) {} |
1529 |
+ |
} |
1530 |
+ |
}; |
1531 |
+ |
} |
1532 |
+ |
|
1533 |
|
public static class TrackedShortRunnable implements Runnable { |
1534 |
|
public volatile boolean done = false; |
1535 |
|
public void run() { |
1536 |
|
try { |
1537 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1537 |
> |
delay(SHORT_DELAY_MS); |
1538 |
> |
done = true; |
1539 |
> |
} catch (InterruptedException ok) {} |
1540 |
> |
} |
1541 |
> |
} |
1542 |
> |
|
1543 |
> |
public static class TrackedSmallRunnable implements Runnable { |
1544 |
> |
public volatile boolean done = false; |
1545 |
> |
public void run() { |
1546 |
> |
try { |
1547 |
> |
delay(SMALL_DELAY_MS); |
1548 |
|
done = true; |
1549 |
|
} catch (InterruptedException ok) {} |
1550 |
|
} |
1554 |
|
public volatile boolean done = false; |
1555 |
|
public void run() { |
1556 |
|
try { |
1557 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1557 |
> |
delay(MEDIUM_DELAY_MS); |
1558 |
|
done = true; |
1559 |
|
} catch (InterruptedException ok) {} |
1560 |
|
} |
1564 |
|
public volatile boolean done = false; |
1565 |
|
public void run() { |
1566 |
|
try { |
1567 |
< |
Thread.sleep(LONG_DELAY_MS); |
1567 |
> |
delay(LONG_DELAY_MS); |
1568 |
|
done = true; |
1569 |
|
} catch (InterruptedException ok) {} |
1570 |
|
} |
1581 |
|
public volatile boolean done = false; |
1582 |
|
public Object call() { |
1583 |
|
try { |
1584 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1584 |
> |
delay(SMALL_DELAY_MS); |
1585 |
|
done = true; |
1586 |
|
} catch (InterruptedException ok) {} |
1587 |
|
return Boolean.TRUE; |
1594 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1595 |
|
protected abstract void realCompute() throws Throwable; |
1596 |
|
|
1597 |
< |
public final void compute() { |
1597 |
> |
@Override protected final void compute() { |
1598 |
|
try { |
1599 |
|
realCompute(); |
1600 |
< |
} catch (Throwable t) { |
1601 |
< |
threadUnexpectedException(t); |
1600 |
> |
} catch (Throwable fail) { |
1601 |
> |
threadUnexpectedException(fail); |
1602 |
|
} |
1603 |
|
} |
1604 |
|
} |
1609 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1610 |
|
protected abstract T realCompute() throws Throwable; |
1611 |
|
|
1612 |
< |
public final T compute() { |
1612 |
> |
@Override protected final T compute() { |
1613 |
|
try { |
1614 |
|
return realCompute(); |
1615 |
< |
} catch (Throwable t) { |
1616 |
< |
threadUnexpectedException(t); |
1615 |
> |
} catch (Throwable fail) { |
1616 |
> |
threadUnexpectedException(fail); |
1617 |
|
return null; |
1618 |
|
} |
1619 |
|
} |
1627 |
|
ThreadPoolExecutor executor) {} |
1628 |
|
} |
1629 |
|
|
1630 |
+ |
/** |
1631 |
+ |
* A CyclicBarrier that uses timed await and fails with |
1632 |
+ |
* AssertionFailedErrors instead of throwing checked exceptions. |
1633 |
+ |
*/ |
1634 |
+ |
public class CheckedBarrier extends CyclicBarrier { |
1635 |
+ |
public CheckedBarrier(int parties) { super(parties); } |
1636 |
+ |
|
1637 |
+ |
public int await() { |
1638 |
+ |
try { |
1639 |
+ |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1640 |
+ |
} catch (TimeoutException timedOut) { |
1641 |
+ |
throw new AssertionFailedError("timed out"); |
1642 |
+ |
} catch (Exception fail) { |
1643 |
+ |
AssertionFailedError afe = |
1644 |
+ |
new AssertionFailedError("Unexpected exception: " + fail); |
1645 |
+ |
afe.initCause(fail); |
1646 |
+ |
throw afe; |
1647 |
+ |
} |
1648 |
+ |
} |
1649 |
+ |
} |
1650 |
+ |
|
1651 |
+ |
void checkEmpty(BlockingQueue q) { |
1652 |
+ |
try { |
1653 |
+ |
assertTrue(q.isEmpty()); |
1654 |
+ |
assertEquals(0, q.size()); |
1655 |
+ |
assertNull(q.peek()); |
1656 |
+ |
assertNull(q.poll()); |
1657 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1658 |
+ |
assertEquals(q.toString(), "[]"); |
1659 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1660 |
+ |
assertFalse(q.iterator().hasNext()); |
1661 |
+ |
try { |
1662 |
+ |
q.element(); |
1663 |
+ |
shouldThrow(); |
1664 |
+ |
} catch (NoSuchElementException success) {} |
1665 |
+ |
try { |
1666 |
+ |
q.iterator().next(); |
1667 |
+ |
shouldThrow(); |
1668 |
+ |
} catch (NoSuchElementException success) {} |
1669 |
+ |
try { |
1670 |
+ |
q.remove(); |
1671 |
+ |
shouldThrow(); |
1672 |
+ |
} catch (NoSuchElementException success) {} |
1673 |
+ |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1674 |
+ |
} |
1675 |
+ |
|
1676 |
+ |
void assertSerialEquals(Object x, Object y) { |
1677 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1678 |
+ |
} |
1679 |
+ |
|
1680 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1681 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1682 |
+ |
} |
1683 |
+ |
|
1684 |
+ |
byte[] serialBytes(Object o) { |
1685 |
+ |
try { |
1686 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1687 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1688 |
+ |
oos.writeObject(o); |
1689 |
+ |
oos.flush(); |
1690 |
+ |
oos.close(); |
1691 |
+ |
return bos.toByteArray(); |
1692 |
+ |
} catch (Throwable fail) { |
1693 |
+ |
threadUnexpectedException(fail); |
1694 |
+ |
return new byte[0]; |
1695 |
+ |
} |
1696 |
+ |
} |
1697 |
+ |
|
1698 |
+ |
@SuppressWarnings("unchecked") |
1699 |
+ |
<T> T serialClone(T o) { |
1700 |
+ |
try { |
1701 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1702 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1703 |
+ |
T clone = (T) ois.readObject(); |
1704 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1705 |
+ |
return clone; |
1706 |
+ |
} catch (Throwable fail) { |
1707 |
+ |
threadUnexpectedException(fail); |
1708 |
+ |
return null; |
1709 |
+ |
} |
1710 |
+ |
} |
1711 |
+ |
|
1712 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1713 |
+ |
Runnable... throwingActions) { |
1714 |
+ |
for (Runnable throwingAction : throwingActions) { |
1715 |
+ |
boolean threw = false; |
1716 |
+ |
try { throwingAction.run(); } |
1717 |
+ |
catch (Throwable t) { |
1718 |
+ |
threw = true; |
1719 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1720 |
+ |
AssertionFailedError afe = |
1721 |
+ |
new AssertionFailedError |
1722 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1723 |
+ |
", got " + t.getClass().getName()); |
1724 |
+ |
afe.initCause(t); |
1725 |
+ |
threadUnexpectedException(afe); |
1726 |
+ |
} |
1727 |
+ |
} |
1728 |
+ |
if (!threw) |
1729 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1730 |
+ |
} |
1731 |
+ |
} |
1732 |
+ |
|
1733 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1734 |
+ |
try { |
1735 |
+ |
it.next(); |
1736 |
+ |
shouldThrow(); |
1737 |
+ |
} catch (NoSuchElementException success) {} |
1738 |
+ |
assertFalse(it.hasNext()); |
1739 |
+ |
} |
1740 |
|
} |