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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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|
9 |
< |
import junit.framework.*; |
10 |
< |
import java.util.Arrays; |
11 |
< |
import java.util.NoSuchElementException; |
12 |
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import java.util.PropertyPermission; |
13 |
< |
import java.util.concurrent.*; |
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import java.util.concurrent.atomic.AtomicReference; |
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/* |
10 |
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* @test |
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* @summary JSR-166 tck tests |
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> |
* @modules java.management |
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* @build * |
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* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase |
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* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase |
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* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true 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.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.SynchronousQueue; |
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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.AtomicBoolean; |
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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 |
110 |
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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 |
112 |
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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 |
115 |
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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 |
122 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
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* covering "normal" operation, and then as many exception-testing |
124 |
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* methods as there are exceptions the method can throw. Sometimes |
125 |
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* there are multiple tests per JSR166 method when the different |
126 |
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* "normal" behaviors differ significantly. And sometimes testcases |
127 |
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* cover multiple methods when they cannot be tested in |
75 |
< |
* isolation.</li> |
127 |
> |
* cover multiple methods when they cannot be tested in isolation. |
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* |
129 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
129 |
> |
* <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 |
132 |
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* the property is tested. To find out, read the code.</li> |
132 |
> |
* 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 |
134 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
135 |
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* test throughput, latency, scalability or other performance factors |
136 |
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* (see the separate "jtreg" tests for a set intended to check these |
137 |
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* for the most central aspects of functionality.) So, most tests use |
138 |
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* the smallest sensible numbers of threads, collection sizes, etc |
139 |
< |
* needed to check basic conformance.</li> |
139 |
> |
* needed to check basic conformance. |
140 |
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* |
141 |
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* <li>The test classes currently do not declare inclusion in |
142 |
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* any particular package to simplify things for people integrating |
143 |
< |
* them in TCK test suites.</li> |
143 |
> |
* them in TCK test suites. |
144 |
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* |
145 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
146 |
< |
* runs all JSR166 unit tests.</li> |
145 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
146 |
> |
* runs all JSR166 unit tests. |
147 |
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* |
148 |
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* </ul> |
149 |
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*/ |
155 |
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Boolean.getBoolean("jsr166.expensiveTests"); |
156 |
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|
157 |
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/** |
158 |
+ |
* If true, also run tests that are not part of the official tck |
159 |
+ |
* because they test unspecified implementation details. |
160 |
+ |
*/ |
161 |
+ |
protected static final boolean testImplementationDetails = |
162 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
163 |
+ |
|
164 |
+ |
/** |
165 |
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* If true, report on stdout all "slow" tests, that is, ones that |
166 |
|
* take more than profileThreshold milliseconds to execute. |
167 |
|
*/ |
175 |
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private static final long profileThreshold = |
176 |
|
Long.getLong("jsr166.profileThreshold", 100); |
177 |
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|
178 |
+ |
/** |
179 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
180 |
+ |
*/ |
181 |
+ |
private static final int runsPerTest = |
182 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
183 |
+ |
|
184 |
+ |
/** |
185 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
186 |
+ |
*/ |
187 |
+ |
private static final int suiteRuns = |
188 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
189 |
+ |
|
190 |
+ |
/** |
191 |
+ |
* Returns the value of the system property, or NaN if not defined. |
192 |
+ |
*/ |
193 |
+ |
private static float systemPropertyValue(String name) { |
194 |
+ |
String floatString = System.getProperty(name); |
195 |
+ |
if (floatString == null) |
196 |
+ |
return Float.NaN; |
197 |
+ |
try { |
198 |
+ |
return Float.parseFloat(floatString); |
199 |
+ |
} catch (NumberFormatException ex) { |
200 |
+ |
throw new IllegalArgumentException( |
201 |
+ |
String.format("Bad float value in system property %s=%s", |
202 |
+ |
name, floatString)); |
203 |
+ |
} |
204 |
+ |
} |
205 |
+ |
|
206 |
+ |
/** |
207 |
+ |
* The scaling factor to apply to standard delays used in tests. |
208 |
+ |
* May be initialized from any of: |
209 |
+ |
* - the "jsr166.delay.factor" system property |
210 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
211 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
212 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
213 |
+ |
*/ |
214 |
+ |
private static final float delayFactor = delayFactor(); |
215 |
+ |
|
216 |
+ |
private static float delayFactor() { |
217 |
+ |
float x; |
218 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
219 |
+ |
return x; |
220 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
221 |
+ |
return x; |
222 |
+ |
String prop = System.getProperty("java.vm.version"); |
223 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
224 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
225 |
+ |
return 1.0f; |
226 |
+ |
} |
227 |
+ |
|
228 |
+ |
public JSR166TestCase() { super(); } |
229 |
+ |
public JSR166TestCase(String name) { super(name); } |
230 |
+ |
|
231 |
+ |
/** |
232 |
+ |
* A filter for tests to run, matching strings of the form |
233 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
234 |
+ |
* Usefully combined with jsr166.runsPerTest. |
235 |
+ |
*/ |
236 |
+ |
private static final Pattern methodFilter = methodFilter(); |
237 |
+ |
|
238 |
+ |
private static Pattern methodFilter() { |
239 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
240 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
241 |
+ |
} |
242 |
+ |
|
243 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
244 |
+ |
static volatile TestCase currentTestCase; |
245 |
+ |
// static volatile int currentRun = 0; |
246 |
+ |
static { |
247 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
248 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
249 |
+ |
// A single test case run should never take more than 1 second. |
250 |
+ |
// But let's cap it at the high end too ... |
251 |
+ |
final int timeoutMinutes = |
252 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
253 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
254 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
255 |
+ |
catch (InterruptedException unexpected) { break; } |
256 |
+ |
if (lastTestCase == currentTestCase) { |
257 |
+ |
System.err.printf( |
258 |
+ |
"Looks like we're stuck running test: %s%n", |
259 |
+ |
lastTestCase); |
260 |
+ |
// System.err.printf( |
261 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
262 |
+ |
// lastTestCase, currentRun, runsPerTest); |
263 |
+ |
// System.err.println("availableProcessors=" + |
264 |
+ |
// Runtime.getRuntime().availableProcessors()); |
265 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
266 |
+ |
dumpTestThreads(); |
267 |
+ |
// one stack dump is probably enough; more would be spam |
268 |
+ |
break; |
269 |
+ |
} |
270 |
+ |
lastTestCase = currentTestCase; |
271 |
+ |
}}}; |
272 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
273 |
+ |
thread.setDaemon(true); |
274 |
+ |
thread.start(); |
275 |
+ |
} |
276 |
+ |
|
277 |
+ |
// public static String cpuModel() { |
278 |
+ |
// try { |
279 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
280 |
+ |
// .matcher(new String( |
281 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
282 |
+ |
// matcher.find(); |
283 |
+ |
// return matcher.group(1); |
284 |
+ |
// } catch (Exception ex) { return null; } |
285 |
+ |
// } |
286 |
+ |
|
287 |
+ |
public void runBare() throws Throwable { |
288 |
+ |
currentTestCase = this; |
289 |
+ |
if (methodFilter == null |
290 |
+ |
|| methodFilter.matcher(toString()).find()) |
291 |
+ |
super.runBare(); |
292 |
+ |
} |
293 |
+ |
|
294 |
|
protected void runTest() throws Throwable { |
295 |
< |
if (profileTests) |
296 |
< |
runTestProfiled(); |
297 |
< |
else |
298 |
< |
super.runTest(); |
295 |
> |
for (int i = 0; i < runsPerTest; i++) { |
296 |
> |
// currentRun = i; |
297 |
> |
if (profileTests) |
298 |
> |
runTestProfiled(); |
299 |
> |
else |
300 |
> |
super.runTest(); |
301 |
> |
} |
302 |
|
} |
303 |
|
|
304 |
|
protected void runTestProfiled() throws Throwable { |
305 |
< |
long t0 = System.nanoTime(); |
306 |
< |
try { |
305 |
> |
for (int i = 0; i < 2; i++) { |
306 |
> |
long startTime = System.nanoTime(); |
307 |
|
super.runTest(); |
308 |
< |
} finally { |
309 |
< |
long elapsedMillis = |
310 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
311 |
< |
if (elapsedMillis >= profileThreshold) |
308 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
309 |
> |
if (elapsedMillis < profileThreshold) |
310 |
> |
break; |
311 |
> |
// Never report first run of any test; treat it as a |
312 |
> |
// warmup run, notably to trigger all needed classloading, |
313 |
> |
if (i > 0) |
314 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
315 |
|
} |
316 |
|
} |
317 |
|
|
318 |
|
/** |
319 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
319 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
320 |
|
*/ |
321 |
|
public static void main(String[] args) { |
322 |
+ |
main(suite(), args); |
323 |
+ |
} |
324 |
+ |
|
325 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
326 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
327 |
+ |
long runTime; |
328 |
+ |
public void startTest(Test test) {} |
329 |
+ |
protected void printHeader(long runTime) { |
330 |
+ |
this.runTime = runTime; // defer printing for later |
331 |
+ |
} |
332 |
+ |
protected void printFooter(TestResult result) { |
333 |
+ |
if (result.wasSuccessful()) { |
334 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
335 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
336 |
+ |
} else { |
337 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
338 |
+ |
super.printFooter(result); |
339 |
+ |
} |
340 |
+ |
} |
341 |
+ |
} |
342 |
+ |
|
343 |
+ |
/** |
344 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
345 |
+ |
* fluff, like printing a "." for each test case. |
346 |
+ |
*/ |
347 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
348 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
349 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
350 |
+ |
return runner; |
351 |
+ |
} |
352 |
+ |
|
353 |
+ |
/** |
354 |
+ |
* Runs all unit tests in the given test suite. |
355 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
356 |
+ |
*/ |
357 |
+ |
static void main(Test suite, String[] args) { |
358 |
|
if (useSecurityManager) { |
359 |
|
System.err.println("Setting a permissive security manager"); |
360 |
|
Policy.setPolicy(permissivePolicy()); |
361 |
|
System.setSecurityManager(new SecurityManager()); |
362 |
|
} |
363 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
364 |
< |
|
365 |
< |
Test s = suite(); |
366 |
< |
for (int i = 0; i < iters; ++i) { |
151 |
< |
junit.textui.TestRunner.run(s); |
363 |
> |
for (int i = 0; i < suiteRuns; i++) { |
364 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
365 |
> |
if (!result.wasSuccessful()) |
366 |
> |
System.exit(1); |
367 |
|
System.gc(); |
368 |
|
System.runFinalization(); |
369 |
|
} |
155 |
– |
System.exit(0); |
370 |
|
} |
371 |
|
|
372 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
382 |
|
return suite; |
383 |
|
} |
384 |
|
|
385 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
386 |
+ |
String... testClassNames) { |
387 |
+ |
for (String testClassName : testClassNames) { |
388 |
+ |
try { |
389 |
+ |
Class<?> testClass = Class.forName(testClassName); |
390 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
391 |
+ |
new Class<?>[0]); |
392 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
393 |
+ |
} catch (Exception e) { |
394 |
+ |
throw new Error("Missing test class", e); |
395 |
+ |
} |
396 |
+ |
} |
397 |
+ |
} |
398 |
+ |
|
399 |
+ |
public static final double JAVA_CLASS_VERSION; |
400 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
401 |
+ |
static { |
402 |
+ |
try { |
403 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
404 |
+ |
new java.security.PrivilegedAction<Double>() { |
405 |
+ |
public Double run() { |
406 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
407 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
408 |
+ |
new java.security.PrivilegedAction<String>() { |
409 |
+ |
public String run() { |
410 |
+ |
return System.getProperty("java.specification.version");}}); |
411 |
+ |
} catch (Throwable t) { |
412 |
+ |
throw new Error(t); |
413 |
+ |
} |
414 |
+ |
} |
415 |
+ |
|
416 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
417 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
418 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
419 |
+ |
public static boolean atLeastJava9() { |
420 |
+ |
return JAVA_CLASS_VERSION >= 53.0 |
421 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
422 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
423 |
+ |
} |
424 |
+ |
public static boolean atLeastJava10() { |
425 |
+ |
return JAVA_CLASS_VERSION >= 54.0 |
426 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
427 |
+ |
} |
428 |
+ |
|
429 |
|
/** |
430 |
|
* Collects all JSR166 unit tests as one suite. |
431 |
|
*/ |
432 |
|
public static Test suite() { |
433 |
< |
return newTestSuite( |
433 |
> |
// Java7+ test classes |
434 |
> |
TestSuite suite = newTestSuite( |
435 |
|
ForkJoinPoolTest.suite(), |
436 |
|
ForkJoinTaskTest.suite(), |
437 |
|
RecursiveActionTest.suite(), |
496 |
|
TreeSetTest.suite(), |
497 |
|
TreeSubMapTest.suite(), |
498 |
|
TreeSubSetTest.suite()); |
499 |
+ |
|
500 |
+ |
// Java8+ test classes |
501 |
+ |
if (atLeastJava8()) { |
502 |
+ |
String[] java8TestClassNames = { |
503 |
+ |
"Atomic8Test", |
504 |
+ |
"CompletableFutureTest", |
505 |
+ |
"ConcurrentHashMap8Test", |
506 |
+ |
"CountedCompleterTest", |
507 |
+ |
"DoubleAccumulatorTest", |
508 |
+ |
"DoubleAdderTest", |
509 |
+ |
"ForkJoinPool8Test", |
510 |
+ |
"ForkJoinTask8Test", |
511 |
+ |
"LongAccumulatorTest", |
512 |
+ |
"LongAdderTest", |
513 |
+ |
"SplittableRandomTest", |
514 |
+ |
"StampedLockTest", |
515 |
+ |
"SubmissionPublisherTest", |
516 |
+ |
"ThreadLocalRandom8Test", |
517 |
+ |
"TimeUnit8Test", |
518 |
+ |
}; |
519 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
520 |
+ |
} |
521 |
+ |
|
522 |
+ |
// Java9+ test classes |
523 |
+ |
if (atLeastJava9()) { |
524 |
+ |
String[] java9TestClassNames = { |
525 |
+ |
"AtomicBoolean9Test", |
526 |
+ |
"AtomicInteger9Test", |
527 |
+ |
"AtomicIntegerArray9Test", |
528 |
+ |
"AtomicLong9Test", |
529 |
+ |
"AtomicLongArray9Test", |
530 |
+ |
"AtomicReference9Test", |
531 |
+ |
"AtomicReferenceArray9Test", |
532 |
+ |
"ExecutorCompletionService9Test", |
533 |
+ |
}; |
534 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
535 |
+ |
} |
536 |
+ |
|
537 |
+ |
return suite; |
538 |
+ |
} |
539 |
+ |
|
540 |
+ |
/** Returns list of junit-style test method names in given class. */ |
541 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
542 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
543 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
544 |
+ |
for (Method method : methods) { |
545 |
+ |
if (method.getName().startsWith("test") |
546 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
547 |
+ |
// method.getParameterCount() requires jdk8+ |
548 |
+ |
&& method.getParameterTypes().length == 0) { |
549 |
+ |
names.add(method.getName()); |
550 |
+ |
} |
551 |
+ |
} |
552 |
+ |
return names; |
553 |
|
} |
554 |
|
|
555 |
+ |
/** |
556 |
+ |
* Returns junit-style testSuite for the given test class, but |
557 |
+ |
* parameterized by passing extra data to each test. |
558 |
+ |
*/ |
559 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
560 |
+ |
(Class<? extends JSR166TestCase> testClass, |
561 |
+ |
Class<ExtraData> dataClass, |
562 |
+ |
ExtraData data) { |
563 |
+ |
try { |
564 |
+ |
TestSuite suite = new TestSuite(); |
565 |
+ |
Constructor c = |
566 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
567 |
+ |
for (String methodName : testMethodNames(testClass)) |
568 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
569 |
+ |
return suite; |
570 |
+ |
} catch (Exception e) { |
571 |
+ |
throw new Error(e); |
572 |
+ |
} |
573 |
+ |
} |
574 |
+ |
|
575 |
+ |
/** |
576 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
577 |
+ |
* given test class, but parameterized by passing extra data to |
578 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
579 |
+ |
*/ |
580 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
581 |
+ |
(Class<? extends JSR166TestCase> testClass, |
582 |
+ |
Class<ExtraData> dataClass, |
583 |
+ |
ExtraData data) { |
584 |
+ |
if (atLeastJava8()) { |
585 |
+ |
String name = testClass.getName(); |
586 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
587 |
+ |
if (name.equals(name8)) throw new Error(name); |
588 |
+ |
try { |
589 |
+ |
return (Test) |
590 |
+ |
Class.forName(name8) |
591 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
592 |
+ |
.invoke(null, data); |
593 |
+ |
} catch (Exception e) { |
594 |
+ |
throw new Error(e); |
595 |
+ |
} |
596 |
+ |
} else { |
597 |
+ |
return new TestSuite(); |
598 |
+ |
} |
599 |
+ |
} |
600 |
+ |
|
601 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
602 |
|
|
603 |
|
public static long SHORT_DELAY_MS; |
604 |
|
public static long SMALL_DELAY_MS; |
605 |
|
public static long MEDIUM_DELAY_MS; |
606 |
|
public static long LONG_DELAY_MS; |
607 |
|
|
248 |
– |
|
608 |
|
/** |
609 |
< |
* Returns the shortest timed delay. This could |
610 |
< |
* be reimplemented to use for example a Property. |
609 |
> |
* Returns the shortest timed delay. This can be scaled up for |
610 |
> |
* slow machines using the jsr166.delay.factor system property, |
611 |
> |
* or via jtreg's -timeoutFactor: flag. |
612 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
613 |
|
*/ |
614 |
|
protected long getShortDelay() { |
615 |
< |
return 50; |
615 |
> |
return (long) (50 * delayFactor); |
616 |
|
} |
617 |
|
|
257 |
– |
|
618 |
|
/** |
619 |
|
* Sets delays as multiples of SHORT_DELAY. |
620 |
|
*/ |
626 |
|
} |
627 |
|
|
628 |
|
/** |
629 |
+ |
* Returns a timeout in milliseconds to be used in tests that |
630 |
+ |
* verify that operations block or time out. |
631 |
+ |
*/ |
632 |
+ |
long timeoutMillis() { |
633 |
+ |
return SHORT_DELAY_MS / 4; |
634 |
+ |
} |
635 |
+ |
|
636 |
+ |
/** |
637 |
+ |
* Returns a new Date instance representing a time at least |
638 |
+ |
* delayMillis milliseconds in the future. |
639 |
+ |
*/ |
640 |
+ |
Date delayedDate(long delayMillis) { |
641 |
+ |
// Add 1 because currentTimeMillis is known to round into the past. |
642 |
+ |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
643 |
+ |
} |
644 |
+ |
|
645 |
+ |
/** |
646 |
|
* The first exception encountered if any threadAssertXXX method fails. |
647 |
|
*/ |
648 |
|
private final AtomicReference<Throwable> threadFailure |
655 |
|
* the same test have no effect. |
656 |
|
*/ |
657 |
|
public void threadRecordFailure(Throwable t) { |
658 |
+ |
System.err.println(t); |
659 |
+ |
dumpTestThreads(); |
660 |
|
threadFailure.compareAndSet(null, t); |
661 |
|
} |
662 |
|
|
664 |
|
setDelays(); |
665 |
|
} |
666 |
|
|
667 |
+ |
void tearDownFail(String format, Object... args) { |
668 |
+ |
String msg = toString() + ": " + String.format(format, args); |
669 |
+ |
System.err.println(msg); |
670 |
+ |
dumpTestThreads(); |
671 |
+ |
throw new AssertionFailedError(msg); |
672 |
+ |
} |
673 |
+ |
|
674 |
|
/** |
675 |
+ |
* Extra checks that get done for all test cases. |
676 |
+ |
* |
677 |
|
* Triggers test case failure if any thread assertions have failed, |
678 |
|
* by rethrowing, in the test harness thread, any exception recorded |
679 |
|
* earlier by threadRecordFailure. |
680 |
+ |
* |
681 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
682 |
|
*/ |
683 |
|
public void tearDown() throws Exception { |
684 |
|
Throwable t = threadFailure.getAndSet(null); |
696 |
|
throw afe; |
697 |
|
} |
698 |
|
} |
699 |
+ |
|
700 |
+ |
if (Thread.interrupted()) |
701 |
+ |
tearDownFail("interrupt status set in main thread"); |
702 |
+ |
|
703 |
+ |
checkForkJoinPoolThreadLeaks(); |
704 |
+ |
} |
705 |
+ |
|
706 |
+ |
/** |
707 |
+ |
* Finds missing PoolCleaners |
708 |
+ |
*/ |
709 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
710 |
+ |
Thread[] survivors = new Thread[7]; |
711 |
+ |
int count = Thread.enumerate(survivors); |
712 |
+ |
for (int i = 0; i < count; i++) { |
713 |
+ |
Thread thread = survivors[i]; |
714 |
+ |
String name = thread.getName(); |
715 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
716 |
+ |
// give thread some time to terminate |
717 |
+ |
thread.join(LONG_DELAY_MS); |
718 |
+ |
if (thread.isAlive()) |
719 |
+ |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
720 |
+ |
thread); |
721 |
+ |
} |
722 |
+ |
} |
723 |
+ |
|
724 |
+ |
if (!ForkJoinPool.commonPool() |
725 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
726 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
727 |
|
} |
728 |
|
|
729 |
|
/** |
736 |
|
fail(reason); |
737 |
|
} catch (AssertionFailedError t) { |
738 |
|
threadRecordFailure(t); |
739 |
< |
fail(reason); |
739 |
> |
throw t; |
740 |
|
} |
741 |
|
} |
742 |
|
|
804 |
|
public void threadAssertEquals(Object x, Object y) { |
805 |
|
try { |
806 |
|
assertEquals(x, y); |
807 |
< |
} catch (AssertionFailedError t) { |
808 |
< |
threadRecordFailure(t); |
809 |
< |
throw t; |
810 |
< |
} catch (Throwable t) { |
811 |
< |
threadUnexpectedException(t); |
807 |
> |
} catch (AssertionFailedError fail) { |
808 |
> |
threadRecordFailure(fail); |
809 |
> |
throw fail; |
810 |
> |
} catch (Throwable fail) { |
811 |
> |
threadUnexpectedException(fail); |
812 |
|
} |
813 |
|
} |
814 |
|
|
820 |
|
public void threadAssertSame(Object x, Object y) { |
821 |
|
try { |
822 |
|
assertSame(x, y); |
823 |
< |
} catch (AssertionFailedError t) { |
824 |
< |
threadRecordFailure(t); |
825 |
< |
throw t; |
823 |
> |
} catch (AssertionFailedError fail) { |
824 |
> |
threadRecordFailure(fail); |
825 |
> |
throw fail; |
826 |
|
} |
827 |
|
} |
828 |
|
|
855 |
|
else { |
856 |
|
AssertionFailedError afe = |
857 |
|
new AssertionFailedError("unexpected exception: " + t); |
858 |
< |
t.initCause(t); |
858 |
> |
afe.initCause(t); |
859 |
|
throw afe; |
860 |
|
} |
861 |
|
} |
862 |
|
|
863 |
|
/** |
864 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
865 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
866 |
+ |
* until time elapses. Ensures that the given time, as measured |
867 |
+ |
* by System.nanoTime(), has elapsed. |
868 |
+ |
*/ |
869 |
+ |
static void delay(long millis) throws InterruptedException { |
870 |
+ |
long nanos = millis * (1000 * 1000); |
871 |
+ |
final long wakeupTime = System.nanoTime() + nanos; |
872 |
+ |
do { |
873 |
+ |
if (millis > 0L) |
874 |
+ |
Thread.sleep(millis); |
875 |
+ |
else // too short to sleep |
876 |
+ |
Thread.yield(); |
877 |
+ |
nanos = wakeupTime - System.nanoTime(); |
878 |
+ |
millis = nanos / (1000 * 1000); |
879 |
+ |
} while (nanos >= 0L); |
880 |
+ |
} |
881 |
+ |
|
882 |
+ |
/** |
883 |
+ |
* Allows use of try-with-resources with per-test thread pools. |
884 |
+ |
*/ |
885 |
+ |
class PoolCleaner implements AutoCloseable { |
886 |
+ |
private final ExecutorService pool; |
887 |
+ |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
888 |
+ |
public void close() { joinPool(pool); } |
889 |
+ |
} |
890 |
+ |
|
891 |
+ |
/** |
892 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
893 |
+ |
*/ |
894 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
895 |
+ |
private final Runnable releaser; |
896 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
897 |
+ |
super(pool); |
898 |
+ |
this.releaser = releaser; |
899 |
+ |
} |
900 |
+ |
public void close() { |
901 |
+ |
try { |
902 |
+ |
releaser.run(); |
903 |
+ |
} finally { |
904 |
+ |
super.close(); |
905 |
+ |
} |
906 |
+ |
} |
907 |
+ |
} |
908 |
+ |
|
909 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
910 |
+ |
return new PoolCleaner(pool); |
911 |
+ |
} |
912 |
+ |
|
913 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
914 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
915 |
+ |
} |
916 |
+ |
|
917 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
918 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
919 |
+ |
} |
920 |
+ |
|
921 |
+ |
Runnable releaser(final CountDownLatch latch) { |
922 |
+ |
return new Runnable() { public void run() { |
923 |
+ |
do { latch.countDown(); } |
924 |
+ |
while (latch.getCount() > 0); |
925 |
+ |
}}; |
926 |
+ |
} |
927 |
+ |
|
928 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
929 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
930 |
+ |
} |
931 |
+ |
|
932 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
933 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
934 |
+ |
} |
935 |
+ |
|
936 |
+ |
/** |
937 |
|
* Waits out termination of a thread pool or fails doing so. |
938 |
|
*/ |
939 |
< |
public void joinPool(ExecutorService exec) { |
939 |
> |
void joinPool(ExecutorService pool) { |
940 |
|
try { |
941 |
< |
exec.shutdown(); |
942 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
943 |
< |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
941 |
> |
pool.shutdown(); |
942 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
943 |
> |
try { |
944 |
> |
threadFail("ExecutorService " + pool + |
945 |
> |
" did not terminate in a timely manner"); |
946 |
> |
} finally { |
947 |
> |
// last resort, for the benefit of subsequent tests |
948 |
> |
pool.shutdownNow(); |
949 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
950 |
> |
} |
951 |
> |
} |
952 |
|
} catch (SecurityException ok) { |
953 |
|
// Allowed in case test doesn't have privs |
954 |
< |
} catch (InterruptedException ie) { |
955 |
< |
fail("Unexpected InterruptedException"); |
954 |
> |
} catch (InterruptedException fail) { |
955 |
> |
threadFail("Unexpected InterruptedException"); |
956 |
> |
} |
957 |
> |
} |
958 |
> |
|
959 |
> |
/** |
960 |
> |
* Like Runnable, but with the freedom to throw anything. |
961 |
> |
* junit folks had the same idea: |
962 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
963 |
> |
*/ |
964 |
> |
interface Action { public void run() throws Throwable; } |
965 |
> |
|
966 |
> |
/** |
967 |
> |
* Runs all the given actions in parallel, failing if any fail. |
968 |
> |
* Useful for running multiple variants of tests that are |
969 |
> |
* necessarily individually slow because they must block. |
970 |
> |
*/ |
971 |
> |
void testInParallel(Action ... actions) { |
972 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
973 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
974 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
975 |
> |
for (final Action action : actions) |
976 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
977 |
> |
public void realRun() throws Throwable { action.run();}})); |
978 |
> |
for (Future<?> future : futures) |
979 |
> |
try { |
980 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
981 |
> |
} catch (ExecutionException ex) { |
982 |
> |
threadUnexpectedException(ex.getCause()); |
983 |
> |
} catch (Exception ex) { |
984 |
> |
threadUnexpectedException(ex); |
985 |
> |
} |
986 |
> |
} |
987 |
> |
} |
988 |
> |
|
989 |
> |
/** |
990 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
991 |
> |
* Uninteresting threads are filtered out. |
992 |
> |
*/ |
993 |
> |
static void dumpTestThreads() { |
994 |
> |
SecurityManager sm = System.getSecurityManager(); |
995 |
> |
if (sm != null) { |
996 |
> |
try { |
997 |
> |
System.setSecurityManager(null); |
998 |
> |
} catch (SecurityException giveUp) { |
999 |
> |
return; |
1000 |
> |
} |
1001 |
> |
} |
1002 |
> |
|
1003 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1004 |
> |
System.err.println("------ stacktrace dump start ------"); |
1005 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1006 |
> |
String name = info.getThreadName(); |
1007 |
> |
if ("Signal Dispatcher".equals(name)) |
1008 |
> |
continue; |
1009 |
> |
if ("Reference Handler".equals(name) |
1010 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
1011 |
> |
continue; |
1012 |
> |
if ("Finalizer".equals(name) |
1013 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1014 |
> |
continue; |
1015 |
> |
if ("checkForWedgedTest".equals(name)) |
1016 |
> |
continue; |
1017 |
> |
System.err.print(info); |
1018 |
|
} |
1019 |
+ |
System.err.println("------ stacktrace dump end ------"); |
1020 |
+ |
|
1021 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1022 |
|
} |
1023 |
|
|
1024 |
+ |
/** |
1025 |
+ |
* Checks that thread does not terminate within the default |
1026 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
1027 |
+ |
*/ |
1028 |
+ |
void assertThreadStaysAlive(Thread thread) { |
1029 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
1030 |
+ |
} |
1031 |
+ |
|
1032 |
+ |
/** |
1033 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
1034 |
+ |
*/ |
1035 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
1036 |
+ |
try { |
1037 |
+ |
// No need to optimize the failing case via Thread.join. |
1038 |
+ |
delay(millis); |
1039 |
+ |
assertTrue(thread.isAlive()); |
1040 |
+ |
} catch (InterruptedException fail) { |
1041 |
+ |
threadFail("Unexpected InterruptedException"); |
1042 |
+ |
} |
1043 |
+ |
} |
1044 |
+ |
|
1045 |
+ |
/** |
1046 |
+ |
* Checks that the threads do not terminate within the default |
1047 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
1048 |
+ |
*/ |
1049 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
1050 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
1051 |
+ |
} |
1052 |
+ |
|
1053 |
+ |
/** |
1054 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
1055 |
+ |
*/ |
1056 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1057 |
+ |
try { |
1058 |
+ |
// No need to optimize the failing case via Thread.join. |
1059 |
+ |
delay(millis); |
1060 |
+ |
for (Thread thread : threads) |
1061 |
+ |
assertTrue(thread.isAlive()); |
1062 |
+ |
} catch (InterruptedException fail) { |
1063 |
+ |
threadFail("Unexpected InterruptedException"); |
1064 |
+ |
} |
1065 |
+ |
} |
1066 |
+ |
|
1067 |
+ |
/** |
1068 |
+ |
* Checks that future.get times out, with the default timeout of |
1069 |
+ |
* {@code timeoutMillis()}. |
1070 |
+ |
*/ |
1071 |
+ |
void assertFutureTimesOut(Future future) { |
1072 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
1073 |
+ |
} |
1074 |
+ |
|
1075 |
+ |
/** |
1076 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
1077 |
+ |
*/ |
1078 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
1079 |
+ |
long startTime = System.nanoTime(); |
1080 |
+ |
try { |
1081 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
1082 |
+ |
shouldThrow(); |
1083 |
+ |
} catch (TimeoutException success) { |
1084 |
+ |
} catch (Exception fail) { |
1085 |
+ |
threadUnexpectedException(fail); |
1086 |
+ |
} finally { future.cancel(true); } |
1087 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
1088 |
+ |
} |
1089 |
|
|
1090 |
|
/** |
1091 |
|
* Fails with message "should throw exception". |
1126 |
|
public static final Integer m6 = new Integer(-6); |
1127 |
|
public static final Integer m10 = new Integer(-10); |
1128 |
|
|
500 |
– |
|
1129 |
|
/** |
1130 |
|
* Runs Runnable r with a security policy that permits precisely |
1131 |
|
* the specified permissions. If there is no current security |
1137 |
|
SecurityManager sm = System.getSecurityManager(); |
1138 |
|
if (sm == null) { |
1139 |
|
r.run(); |
1140 |
+ |
} |
1141 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1142 |
+ |
} |
1143 |
+ |
|
1144 |
+ |
/** |
1145 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1146 |
+ |
* the specified permissions. If there is no current security |
1147 |
+ |
* manager, a temporary one is set for the duration of the |
1148 |
+ |
* Runnable. We require that any security manager permit |
1149 |
+ |
* getPolicy/setPolicy. |
1150 |
+ |
*/ |
1151 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1152 |
+ |
Permission... permissions) { |
1153 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1154 |
+ |
if (sm == null) { |
1155 |
|
Policy savedPolicy = Policy.getPolicy(); |
1156 |
|
try { |
1157 |
|
Policy.setPolicy(permissivePolicy()); |
1158 |
|
System.setSecurityManager(new SecurityManager()); |
1159 |
< |
runWithPermissions(r, permissions); |
1159 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1160 |
|
} finally { |
1161 |
|
System.setSecurityManager(null); |
1162 |
|
Policy.setPolicy(savedPolicy); |
1204 |
|
return perms.implies(p); |
1205 |
|
} |
1206 |
|
public void refresh() {} |
1207 |
+ |
public String toString() { |
1208 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
1209 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1210 |
+ |
ps.add(e.nextElement()); |
1211 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1212 |
+ |
} |
1213 |
|
} |
1214 |
|
|
1215 |
|
/** |
1237 |
|
*/ |
1238 |
|
void sleep(long millis) { |
1239 |
|
try { |
1240 |
< |
Thread.sleep(millis); |
1241 |
< |
} catch (InterruptedException ie) { |
1240 |
> |
delay(millis); |
1241 |
> |
} catch (InterruptedException fail) { |
1242 |
|
AssertionFailedError afe = |
1243 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1244 |
< |
afe.initCause(ie); |
1244 |
> |
afe.initCause(fail); |
1245 |
|
throw afe; |
1246 |
|
} |
1247 |
|
} |
1248 |
|
|
1249 |
|
/** |
1250 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
602 |
< |
* Does <em>NOT</em> throw InterruptedException. |
603 |
< |
*/ |
604 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
605 |
< |
try { |
606 |
< |
Thread.sleep(timeoutMillis); |
607 |
< |
} catch (InterruptedException wakeup) {} |
608 |
< |
} |
609 |
< |
|
610 |
< |
/** |
611 |
< |
* Waits up to the specified number of milliseconds for the given |
1250 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1251 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1252 |
|
*/ |
1253 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1254 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
616 |
< |
long t0 = System.nanoTime(); |
1254 |
> |
long startTime = 0L; |
1255 |
|
for (;;) { |
1256 |
|
Thread.State s = thread.getState(); |
1257 |
|
if (s == Thread.State.BLOCKED || |
1260 |
|
return; |
1261 |
|
else if (s == Thread.State.TERMINATED) |
1262 |
|
fail("Unexpected thread termination"); |
1263 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
1263 |
> |
else if (startTime == 0L) |
1264 |
> |
startTime = System.nanoTime(); |
1265 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1266 |
|
threadAssertTrue(thread.isAlive()); |
1267 |
|
return; |
1268 |
|
} |
1271 |
|
} |
1272 |
|
|
1273 |
|
/** |
1274 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1275 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1276 |
+ |
*/ |
1277 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
1278 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1279 |
+ |
} |
1280 |
+ |
|
1281 |
+ |
/** |
1282 |
|
* Returns the number of milliseconds since time given by |
1283 |
|
* startNanoTime, which must have been previously returned from a |
1284 |
< |
* call to {@link System.nanoTime()}. |
1284 |
> |
* call to {@link System#nanoTime()}. |
1285 |
|
*/ |
1286 |
< |
long millisElapsedSince(long startNanoTime) { |
1286 |
> |
static long millisElapsedSince(long startNanoTime) { |
1287 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1288 |
|
} |
1289 |
|
|
1290 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1291 |
+ |
// long startTime = System.nanoTime(); |
1292 |
+ |
// try { |
1293 |
+ |
// r.run(); |
1294 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1295 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1296 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
1297 |
+ |
// } |
1298 |
+ |
|
1299 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
1300 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1301 |
+ |
// } |
1302 |
+ |
|
1303 |
+ |
/** |
1304 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
1305 |
+ |
* wait for the timeout to elapse before returning. |
1306 |
+ |
*/ |
1307 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1308 |
+ |
long startTime = System.nanoTime(); |
1309 |
+ |
try { |
1310 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1311 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1312 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1313 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
1314 |
+ |
} |
1315 |
+ |
|
1316 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1317 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1318 |
+ |
} |
1319 |
+ |
|
1320 |
|
/** |
1321 |
|
* Returns a new started daemon Thread running the given runnable. |
1322 |
|
*/ |
1335 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1336 |
|
try { |
1337 |
|
t.join(timeoutMillis); |
1338 |
< |
} catch (InterruptedException ie) { |
1339 |
< |
threadUnexpectedException(ie); |
1338 |
> |
} catch (InterruptedException fail) { |
1339 |
> |
threadUnexpectedException(fail); |
1340 |
|
} finally { |
1341 |
< |
if (t.isAlive()) { |
1341 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
1342 |
|
t.interrupt(); |
1343 |
< |
fail("Test timed out"); |
1343 |
> |
threadFail("timed out waiting for thread to terminate"); |
1344 |
|
} |
1345 |
|
} |
1346 |
|
} |
1347 |
|
|
1348 |
+ |
/** |
1349 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
1350 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
1351 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1352 |
+ |
*/ |
1353 |
+ |
void awaitTermination(Thread t) { |
1354 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
1355 |
+ |
} |
1356 |
+ |
|
1357 |
|
// Some convenient Runnable classes |
1358 |
|
|
1359 |
|
public abstract class CheckedRunnable implements Runnable { |
1362 |
|
public final void run() { |
1363 |
|
try { |
1364 |
|
realRun(); |
1365 |
< |
} catch (Throwable t) { |
1366 |
< |
threadUnexpectedException(t); |
1365 |
> |
} catch (Throwable fail) { |
1366 |
> |
threadUnexpectedException(fail); |
1367 |
|
} |
1368 |
|
} |
1369 |
|
} |
1416 |
|
realRun(); |
1417 |
|
threadShouldThrow("InterruptedException"); |
1418 |
|
} catch (InterruptedException success) { |
1419 |
< |
} catch (Throwable t) { |
1420 |
< |
threadUnexpectedException(t); |
1419 |
> |
threadAssertFalse(Thread.interrupted()); |
1420 |
> |
} catch (Throwable fail) { |
1421 |
> |
threadUnexpectedException(fail); |
1422 |
|
} |
1423 |
|
} |
1424 |
|
} |
1429 |
|
public final T call() { |
1430 |
|
try { |
1431 |
|
return realCall(); |
1432 |
< |
} catch (Throwable t) { |
1433 |
< |
threadUnexpectedException(t); |
1432 |
> |
} catch (Throwable fail) { |
1433 |
> |
threadUnexpectedException(fail); |
1434 |
|
return null; |
1435 |
|
} |
1436 |
|
} |
1446 |
|
threadShouldThrow("InterruptedException"); |
1447 |
|
return result; |
1448 |
|
} catch (InterruptedException success) { |
1449 |
< |
} catch (Throwable t) { |
1450 |
< |
threadUnexpectedException(t); |
1449 |
> |
threadAssertFalse(Thread.interrupted()); |
1450 |
> |
} catch (Throwable fail) { |
1451 |
> |
threadUnexpectedException(fail); |
1452 |
|
} |
1453 |
|
return null; |
1454 |
|
} |
1465 |
|
public static final String TEST_STRING = "a test string"; |
1466 |
|
|
1467 |
|
public static class StringTask implements Callable<String> { |
1468 |
< |
public String call() { return TEST_STRING; } |
1468 |
> |
final String value; |
1469 |
> |
public StringTask() { this(TEST_STRING); } |
1470 |
> |
public StringTask(String value) { this.value = value; } |
1471 |
> |
public String call() { return value; } |
1472 |
|
} |
1473 |
|
|
1474 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1481 |
|
}}; |
1482 |
|
} |
1483 |
|
|
1484 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
1485 |
+ |
return new CheckedRunnable() { |
1486 |
+ |
public void realRun() throws InterruptedException { |
1487 |
+ |
latch.countDown(); |
1488 |
+ |
}}; |
1489 |
+ |
} |
1490 |
+ |
|
1491 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1492 |
+ |
static final int NEW = 0; |
1493 |
+ |
static final int RUNNING = 1; |
1494 |
+ |
static final int DONE = 2; |
1495 |
+ |
final CountDownLatch latch; |
1496 |
+ |
int state = NEW; |
1497 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1498 |
+ |
public void realRun() throws InterruptedException { |
1499 |
+ |
state = 1; |
1500 |
+ |
await(latch); |
1501 |
+ |
state = 2; |
1502 |
+ |
} |
1503 |
+ |
} |
1504 |
+ |
|
1505 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1506 |
+ |
return new LatchAwaiter(latch); |
1507 |
+ |
} |
1508 |
+ |
|
1509 |
+ |
public void await(CountDownLatch latch, long timeoutMillis) { |
1510 |
+ |
try { |
1511 |
+ |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1512 |
+ |
fail("timed out waiting for CountDownLatch for " |
1513 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1514 |
+ |
} catch (Throwable fail) { |
1515 |
+ |
threadUnexpectedException(fail); |
1516 |
+ |
} |
1517 |
+ |
} |
1518 |
+ |
|
1519 |
+ |
public void await(CountDownLatch latch) { |
1520 |
+ |
await(latch, LONG_DELAY_MS); |
1521 |
+ |
} |
1522 |
+ |
|
1523 |
+ |
public void await(Semaphore semaphore) { |
1524 |
+ |
try { |
1525 |
+ |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1526 |
+ |
fail("timed out waiting for Semaphore for " |
1527 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1528 |
+ |
} catch (Throwable fail) { |
1529 |
+ |
threadUnexpectedException(fail); |
1530 |
+ |
} |
1531 |
+ |
} |
1532 |
+ |
|
1533 |
+ |
// /** |
1534 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1535 |
+ |
// */ |
1536 |
+ |
// public void await(AtomicBoolean flag) { |
1537 |
+ |
// await(flag, LONG_DELAY_MS); |
1538 |
+ |
// } |
1539 |
+ |
|
1540 |
+ |
// /** |
1541 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1542 |
+ |
// */ |
1543 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1544 |
+ |
// long startTime = System.nanoTime(); |
1545 |
+ |
// while (!flag.get()) { |
1546 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1547 |
+ |
// throw new AssertionFailedError("timed out"); |
1548 |
+ |
// Thread.yield(); |
1549 |
+ |
// } |
1550 |
+ |
// } |
1551 |
+ |
|
1552 |
|
public static class NPETask implements Callable<String> { |
1553 |
|
public String call() { throw new NullPointerException(); } |
1554 |
|
} |
1559 |
|
|
1560 |
|
public class ShortRunnable extends CheckedRunnable { |
1561 |
|
protected void realRun() throws Throwable { |
1562 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1562 |
> |
delay(SHORT_DELAY_MS); |
1563 |
|
} |
1564 |
|
} |
1565 |
|
|
1566 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1567 |
|
protected void realRun() throws InterruptedException { |
1568 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1568 |
> |
delay(SHORT_DELAY_MS); |
1569 |
|
} |
1570 |
|
} |
1571 |
|
|
1572 |
|
public class SmallRunnable extends CheckedRunnable { |
1573 |
|
protected void realRun() throws Throwable { |
1574 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1574 |
> |
delay(SMALL_DELAY_MS); |
1575 |
|
} |
1576 |
|
} |
1577 |
|
|
1578 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1579 |
|
protected void realRun() { |
1580 |
|
try { |
1581 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1581 |
> |
delay(SMALL_DELAY_MS); |
1582 |
|
} catch (InterruptedException ok) {} |
1583 |
|
} |
1584 |
|
} |
1585 |
|
|
1586 |
|
public class SmallCallable extends CheckedCallable { |
1587 |
|
protected Object realCall() throws InterruptedException { |
1588 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1588 |
> |
delay(SMALL_DELAY_MS); |
1589 |
|
return Boolean.TRUE; |
1590 |
|
} |
1591 |
|
} |
1592 |
|
|
1593 |
|
public class MediumRunnable extends CheckedRunnable { |
1594 |
|
protected void realRun() throws Throwable { |
1595 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1595 |
> |
delay(MEDIUM_DELAY_MS); |
1596 |
|
} |
1597 |
|
} |
1598 |
|
|
1599 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1600 |
|
protected void realRun() throws InterruptedException { |
1601 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1601 |
> |
delay(MEDIUM_DELAY_MS); |
1602 |
|
} |
1603 |
|
} |
1604 |
|
|
1606 |
|
return new CheckedRunnable() { |
1607 |
|
protected void realRun() { |
1608 |
|
try { |
1609 |
< |
Thread.sleep(timeoutMillis); |
1609 |
> |
delay(timeoutMillis); |
1610 |
|
} catch (InterruptedException ok) {} |
1611 |
|
}}; |
1612 |
|
} |
1614 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1615 |
|
protected void realRun() { |
1616 |
|
try { |
1617 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1617 |
> |
delay(MEDIUM_DELAY_MS); |
1618 |
|
} catch (InterruptedException ok) {} |
1619 |
|
} |
1620 |
|
} |
1622 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1623 |
|
protected void realRun() { |
1624 |
|
try { |
1625 |
< |
Thread.sleep(LONG_DELAY_MS); |
1625 |
> |
delay(LONG_DELAY_MS); |
1626 |
|
} catch (InterruptedException ok) {} |
1627 |
|
} |
1628 |
|
} |
1646 |
|
public boolean isDone() { return done; } |
1647 |
|
public void run() { |
1648 |
|
try { |
1649 |
< |
Thread.sleep(timeoutMillis); |
1649 |
> |
delay(timeoutMillis); |
1650 |
|
done = true; |
1651 |
|
} catch (InterruptedException ok) {} |
1652 |
|
} |
1657 |
|
public volatile boolean done = false; |
1658 |
|
public void run() { |
1659 |
|
try { |
1660 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1660 |
> |
delay(SHORT_DELAY_MS); |
1661 |
|
done = true; |
1662 |
|
} catch (InterruptedException ok) {} |
1663 |
|
} |
1667 |
|
public volatile boolean done = false; |
1668 |
|
public void run() { |
1669 |
|
try { |
1670 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1670 |
> |
delay(SMALL_DELAY_MS); |
1671 |
|
done = true; |
1672 |
|
} catch (InterruptedException ok) {} |
1673 |
|
} |
1677 |
|
public volatile boolean done = false; |
1678 |
|
public void run() { |
1679 |
|
try { |
1680 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1680 |
> |
delay(MEDIUM_DELAY_MS); |
1681 |
|
done = true; |
1682 |
|
} catch (InterruptedException ok) {} |
1683 |
|
} |
1687 |
|
public volatile boolean done = false; |
1688 |
|
public void run() { |
1689 |
|
try { |
1690 |
< |
Thread.sleep(LONG_DELAY_MS); |
1690 |
> |
delay(LONG_DELAY_MS); |
1691 |
|
done = true; |
1692 |
|
} catch (InterruptedException ok) {} |
1693 |
|
} |
1704 |
|
public volatile boolean done = false; |
1705 |
|
public Object call() { |
1706 |
|
try { |
1707 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1707 |
> |
delay(SMALL_DELAY_MS); |
1708 |
|
done = true; |
1709 |
|
} catch (InterruptedException ok) {} |
1710 |
|
return Boolean.TRUE; |
1717 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1718 |
|
protected abstract void realCompute() throws Throwable; |
1719 |
|
|
1720 |
< |
public final void compute() { |
1720 |
> |
@Override protected final void compute() { |
1721 |
|
try { |
1722 |
|
realCompute(); |
1723 |
< |
} catch (Throwable t) { |
1724 |
< |
threadUnexpectedException(t); |
1723 |
> |
} catch (Throwable fail) { |
1724 |
> |
threadUnexpectedException(fail); |
1725 |
|
} |
1726 |
|
} |
1727 |
|
} |
1732 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1733 |
|
protected abstract T realCompute() throws Throwable; |
1734 |
|
|
1735 |
< |
public final T compute() { |
1735 |
> |
@Override protected final T compute() { |
1736 |
|
try { |
1737 |
|
return realCompute(); |
1738 |
< |
} catch (Throwable t) { |
1739 |
< |
threadUnexpectedException(t); |
1738 |
> |
} catch (Throwable fail) { |
1739 |
> |
threadUnexpectedException(fail); |
1740 |
|
return null; |
1741 |
|
} |
1742 |
|
} |
1751 |
|
} |
1752 |
|
|
1753 |
|
/** |
1754 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1755 |
< |
* of throwing checked exceptions. |
1754 |
> |
* A CyclicBarrier that uses timed await and fails with |
1755 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1756 |
|
*/ |
1757 |
|
public class CheckedBarrier extends CyclicBarrier { |
1758 |
|
public CheckedBarrier(int parties) { super(parties); } |
1759 |
|
|
1760 |
|
public int await() { |
1761 |
|
try { |
1762 |
< |
return super.await(); |
1763 |
< |
} catch (Exception e) { |
1762 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1763 |
> |
} catch (TimeoutException timedOut) { |
1764 |
> |
throw new AssertionFailedError("timed out"); |
1765 |
> |
} catch (Exception fail) { |
1766 |
|
AssertionFailedError afe = |
1767 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1768 |
< |
afe.initCause(e); |
1767 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1768 |
> |
afe.initCause(fail); |
1769 |
|
throw afe; |
1770 |
|
} |
1771 |
|
} |
1772 |
|
} |
1773 |
|
|
1774 |
< |
public void checkEmpty(BlockingQueue q) { |
1774 |
> |
void checkEmpty(BlockingQueue q) { |
1775 |
|
try { |
1776 |
|
assertTrue(q.isEmpty()); |
1777 |
|
assertEquals(0, q.size()); |
1793 |
|
q.remove(); |
1794 |
|
shouldThrow(); |
1795 |
|
} catch (NoSuchElementException success) {} |
1796 |
< |
} catch (InterruptedException ie) { |
1797 |
< |
threadUnexpectedException(ie); |
1796 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1797 |
> |
} |
1798 |
> |
|
1799 |
> |
void assertSerialEquals(Object x, Object y) { |
1800 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1801 |
> |
} |
1802 |
> |
|
1803 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1804 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1805 |
> |
} |
1806 |
> |
|
1807 |
> |
byte[] serialBytes(Object o) { |
1808 |
> |
try { |
1809 |
> |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1810 |
> |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1811 |
> |
oos.writeObject(o); |
1812 |
> |
oos.flush(); |
1813 |
> |
oos.close(); |
1814 |
> |
return bos.toByteArray(); |
1815 |
> |
} catch (Throwable fail) { |
1816 |
> |
threadUnexpectedException(fail); |
1817 |
> |
return new byte[0]; |
1818 |
|
} |
1819 |
|
} |
1820 |
|
|
1821 |
+ |
@SuppressWarnings("unchecked") |
1822 |
+ |
<T> T serialClone(T o) { |
1823 |
+ |
try { |
1824 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1825 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1826 |
+ |
T clone = (T) ois.readObject(); |
1827 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1828 |
+ |
return clone; |
1829 |
+ |
} catch (Throwable fail) { |
1830 |
+ |
threadUnexpectedException(fail); |
1831 |
+ |
return null; |
1832 |
+ |
} |
1833 |
+ |
} |
1834 |
+ |
|
1835 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1836 |
+ |
Runnable... throwingActions) { |
1837 |
+ |
for (Runnable throwingAction : throwingActions) { |
1838 |
+ |
boolean threw = false; |
1839 |
+ |
try { throwingAction.run(); } |
1840 |
+ |
catch (Throwable t) { |
1841 |
+ |
threw = true; |
1842 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1843 |
+ |
AssertionFailedError afe = |
1844 |
+ |
new AssertionFailedError |
1845 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1846 |
+ |
", got " + t.getClass().getName()); |
1847 |
+ |
afe.initCause(t); |
1848 |
+ |
threadUnexpectedException(afe); |
1849 |
+ |
} |
1850 |
+ |
} |
1851 |
+ |
if (!threw) |
1852 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1853 |
+ |
} |
1854 |
+ |
} |
1855 |
+ |
|
1856 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1857 |
+ |
try { |
1858 |
+ |
it.next(); |
1859 |
+ |
shouldThrow(); |
1860 |
+ |
} catch (NoSuchElementException success) {} |
1861 |
+ |
assertFalse(it.hasNext()); |
1862 |
+ |
} |
1863 |
+ |
|
1864 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1865 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1866 |
+ |
} |
1867 |
+ |
|
1868 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1869 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1870 |
+ |
} |
1871 |
+ |
|
1872 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1873 |
+ |
static final ExecutorService cachedThreadPool = |
1874 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1875 |
+ |
1000L, MILLISECONDS, |
1876 |
+ |
new SynchronousQueue<Runnable>()); |
1877 |
+ |
|
1878 |
|
} |