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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.*; |
10 |
< |
import java.util.PropertyPermission; |
11 |
< |
import java.util.concurrent.*; |
12 |
< |
import java.util.concurrent.atomic.AtomicReference; |
9 |
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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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*/ |
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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.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 |
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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 |
119 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
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* covering "normal" operation, and then as many exception-testing |
121 |
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* methods as there are exceptions the method can throw. Sometimes |
122 |
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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 |
124 |
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* cover multiple methods when they cannot be tested in |
73 |
< |
* isolation.</li> |
124 |
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* cover multiple methods when they cannot be tested in isolation. |
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* |
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* <li> The documentation style for testcases is to provide as javadoc |
126 |
> |
* <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 |
128 |
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* method purports to test. The javadocs do not say anything about how |
129 |
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* the property is tested. To find out, read the code.</li> |
129 |
> |
* the property is tested. To find out, read the code. |
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* |
131 |
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* <li> These tests are "conformance tests", and do not attempt to |
131 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
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* test throughput, latency, scalability or other performance factors |
133 |
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* (see the separate "jtreg" tests for a set intended to check these |
134 |
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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 |
136 |
< |
* needed to check basic conformance.</li> |
136 |
> |
* needed to check basic conformance. |
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* |
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* <li>The test classes currently do not declare inclusion in |
139 |
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* any particular package to simplify things for people integrating |
140 |
< |
* them in TCK test suites.</li> |
140 |
> |
* them in TCK test suites. |
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* |
142 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
143 |
< |
* runs all JSR166 unit tests.</li> |
142 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
143 |
> |
* runs all JSR166 unit tests. |
144 |
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* |
145 |
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* </ul> |
146 |
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*/ |
152 |
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Boolean.getBoolean("jsr166.expensiveTests"); |
153 |
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|
154 |
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/** |
155 |
+ |
* If true, also run tests that are not part of the official tck |
156 |
+ |
* because they test unspecified implementation details. |
157 |
+ |
*/ |
158 |
+ |
protected static final boolean testImplementationDetails = |
159 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
160 |
+ |
|
161 |
+ |
/** |
162 |
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* If true, report on stdout all "slow" tests, that is, ones that |
163 |
|
* take more than profileThreshold milliseconds to execute. |
164 |
|
*/ |
172 |
|
private static final long profileThreshold = |
173 |
|
Long.getLong("jsr166.profileThreshold", 100); |
174 |
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|
175 |
+ |
/** |
176 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
177 |
+ |
*/ |
178 |
+ |
private static final int runsPerTest = |
179 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
180 |
+ |
|
181 |
+ |
/** |
182 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
183 |
+ |
*/ |
184 |
+ |
private static final int suiteRuns = |
185 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
186 |
+ |
|
187 |
+ |
/** |
188 |
+ |
* Returns the value of the system property, or NaN if not defined. |
189 |
+ |
*/ |
190 |
+ |
private static float systemPropertyValue(String name) { |
191 |
+ |
String floatString = System.getProperty(name); |
192 |
+ |
if (floatString == null) |
193 |
+ |
return Float.NaN; |
194 |
+ |
try { |
195 |
+ |
return Float.parseFloat(floatString); |
196 |
+ |
} catch (NumberFormatException ex) { |
197 |
+ |
throw new IllegalArgumentException( |
198 |
+ |
String.format("Bad float value in system property %s=%s", |
199 |
+ |
name, floatString)); |
200 |
+ |
} |
201 |
+ |
} |
202 |
+ |
|
203 |
+ |
/** |
204 |
+ |
* The scaling factor to apply to standard delays used in tests. |
205 |
+ |
* May be initialized from any of: |
206 |
+ |
* - the "jsr166.delay.factor" system property |
207 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
208 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
209 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
210 |
+ |
*/ |
211 |
+ |
private static final float delayFactor = delayFactor(); |
212 |
+ |
|
213 |
+ |
private static float delayFactor() { |
214 |
+ |
float x; |
215 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
216 |
+ |
return x; |
217 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
218 |
+ |
return x; |
219 |
+ |
String prop = System.getProperty("java.vm.version"); |
220 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
221 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
222 |
+ |
return 1.0f; |
223 |
+ |
} |
224 |
+ |
|
225 |
+ |
public JSR166TestCase() { super(); } |
226 |
+ |
public JSR166TestCase(String name) { super(name); } |
227 |
+ |
|
228 |
+ |
/** |
229 |
+ |
* A filter for tests to run, matching strings of the form |
230 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
231 |
+ |
* Usefully combined with jsr166.runsPerTest. |
232 |
+ |
*/ |
233 |
+ |
private static final Pattern methodFilter = methodFilter(); |
234 |
+ |
|
235 |
+ |
private static Pattern methodFilter() { |
236 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
237 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
238 |
+ |
} |
239 |
+ |
|
240 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
241 |
+ |
static volatile TestCase currentTestCase; |
242 |
+ |
// static volatile int currentRun = 0; |
243 |
+ |
static { |
244 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
245 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
246 |
+ |
// A single test case run should never take more than 1 second. |
247 |
+ |
// But let's cap it at the high end too ... |
248 |
+ |
final int timeoutMinutes = |
249 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
250 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
251 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
252 |
+ |
catch (InterruptedException unexpected) { break; } |
253 |
+ |
if (lastTestCase == currentTestCase) { |
254 |
+ |
System.err.printf( |
255 |
+ |
"Looks like we're stuck running test: %s%n", |
256 |
+ |
lastTestCase); |
257 |
+ |
// System.err.printf( |
258 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
259 |
+ |
// lastTestCase, currentRun, runsPerTest); |
260 |
+ |
// System.err.println("availableProcessors=" + |
261 |
+ |
// Runtime.getRuntime().availableProcessors()); |
262 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
263 |
+ |
dumpTestThreads(); |
264 |
+ |
// one stack dump is probably enough; more would be spam |
265 |
+ |
break; |
266 |
+ |
} |
267 |
+ |
lastTestCase = currentTestCase; |
268 |
+ |
}}}; |
269 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
270 |
+ |
thread.setDaemon(true); |
271 |
+ |
thread.start(); |
272 |
+ |
} |
273 |
+ |
|
274 |
+ |
// public static String cpuModel() { |
275 |
+ |
// try { |
276 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
277 |
+ |
// .matcher(new String( |
278 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
279 |
+ |
// matcher.find(); |
280 |
+ |
// return matcher.group(1); |
281 |
+ |
// } catch (Exception ex) { return null; } |
282 |
+ |
// } |
283 |
+ |
|
284 |
+ |
public void runBare() throws Throwable { |
285 |
+ |
currentTestCase = this; |
286 |
+ |
if (methodFilter == null |
287 |
+ |
|| methodFilter.matcher(toString()).find()) |
288 |
+ |
super.runBare(); |
289 |
+ |
} |
290 |
+ |
|
291 |
|
protected void runTest() throws Throwable { |
292 |
< |
if (profileTests) |
293 |
< |
runTestProfiled(); |
294 |
< |
else |
295 |
< |
super.runTest(); |
292 |
> |
for (int i = 0; i < runsPerTest; i++) { |
293 |
> |
// currentRun = i; |
294 |
> |
if (profileTests) |
295 |
> |
runTestProfiled(); |
296 |
> |
else |
297 |
> |
super.runTest(); |
298 |
> |
} |
299 |
|
} |
300 |
|
|
301 |
|
protected void runTestProfiled() throws Throwable { |
302 |
< |
long t0 = System.nanoTime(); |
303 |
< |
try { |
302 |
> |
for (int i = 0; i < 2; i++) { |
303 |
> |
long startTime = System.nanoTime(); |
304 |
|
super.runTest(); |
305 |
< |
} finally { |
306 |
< |
long elapsedMillis = |
307 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
308 |
< |
if (elapsedMillis >= profileThreshold) |
305 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
306 |
> |
if (elapsedMillis < profileThreshold) |
307 |
> |
break; |
308 |
> |
// Never report first run of any test; treat it as a |
309 |
> |
// warmup run, notably to trigger all needed classloading, |
310 |
> |
if (i > 0) |
311 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
312 |
|
} |
313 |
|
} |
314 |
|
|
315 |
|
/** |
316 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
316 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
317 |
|
*/ |
318 |
|
public static void main(String[] args) { |
319 |
+ |
main(suite(), args); |
320 |
+ |
} |
321 |
+ |
|
322 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
323 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
324 |
+ |
long runTime; |
325 |
+ |
public void startTest(Test test) {} |
326 |
+ |
protected void printHeader(long runTime) { |
327 |
+ |
this.runTime = runTime; // defer printing for later |
328 |
+ |
} |
329 |
+ |
protected void printFooter(TestResult result) { |
330 |
+ |
if (result.wasSuccessful()) { |
331 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
332 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
333 |
+ |
} else { |
334 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
335 |
+ |
super.printFooter(result); |
336 |
+ |
} |
337 |
+ |
} |
338 |
+ |
} |
339 |
+ |
|
340 |
+ |
/** |
341 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
342 |
+ |
* fluff, like printing a "." for each test case. |
343 |
+ |
*/ |
344 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
345 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
346 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
347 |
+ |
return runner; |
348 |
+ |
} |
349 |
+ |
|
350 |
+ |
/** |
351 |
+ |
* Runs all unit tests in the given test suite. |
352 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
353 |
+ |
*/ |
354 |
+ |
static void main(Test suite, String[] args) { |
355 |
|
if (useSecurityManager) { |
356 |
|
System.err.println("Setting a permissive security manager"); |
357 |
|
Policy.setPolicy(permissivePolicy()); |
358 |
|
System.setSecurityManager(new SecurityManager()); |
359 |
|
} |
360 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
361 |
< |
|
362 |
< |
Test s = suite(); |
363 |
< |
for (int i = 0; i < iters; ++i) { |
149 |
< |
junit.textui.TestRunner.run(s); |
360 |
> |
for (int i = 0; i < suiteRuns; i++) { |
361 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
362 |
> |
if (!result.wasSuccessful()) |
363 |
> |
System.exit(1); |
364 |
|
System.gc(); |
365 |
|
System.runFinalization(); |
366 |
|
} |
153 |
– |
System.exit(0); |
367 |
|
} |
368 |
|
|
369 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
379 |
|
return suite; |
380 |
|
} |
381 |
|
|
382 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
383 |
+ |
String... testClassNames) { |
384 |
+ |
for (String testClassName : testClassNames) { |
385 |
+ |
try { |
386 |
+ |
Class<?> testClass = Class.forName(testClassName); |
387 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
388 |
+ |
new Class<?>[0]); |
389 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
390 |
+ |
} catch (Exception e) { |
391 |
+ |
throw new Error("Missing test class", e); |
392 |
+ |
} |
393 |
+ |
} |
394 |
+ |
} |
395 |
+ |
|
396 |
+ |
public static final double JAVA_CLASS_VERSION; |
397 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
398 |
+ |
static { |
399 |
+ |
try { |
400 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
401 |
+ |
new java.security.PrivilegedAction<Double>() { |
402 |
+ |
public Double run() { |
403 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
404 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
405 |
+ |
new java.security.PrivilegedAction<String>() { |
406 |
+ |
public String run() { |
407 |
+ |
return System.getProperty("java.specification.version");}}); |
408 |
+ |
} catch (Throwable t) { |
409 |
+ |
throw new Error(t); |
410 |
+ |
} |
411 |
+ |
} |
412 |
+ |
|
413 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
414 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
415 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
416 |
+ |
public static boolean atLeastJava9() { |
417 |
+ |
return JAVA_CLASS_VERSION >= 53.0 |
418 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
419 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
420 |
+ |
} |
421 |
+ |
public static boolean atLeastJava10() { |
422 |
+ |
return JAVA_CLASS_VERSION >= 54.0 |
423 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
424 |
+ |
} |
425 |
+ |
|
426 |
|
/** |
427 |
|
* Collects all JSR166 unit tests as one suite. |
428 |
|
*/ |
429 |
|
public static Test suite() { |
430 |
< |
return newTestSuite( |
430 |
> |
// Java7+ test classes |
431 |
> |
TestSuite suite = newTestSuite( |
432 |
|
ForkJoinPoolTest.suite(), |
433 |
|
ForkJoinTaskTest.suite(), |
434 |
|
RecursiveActionTest.suite(), |
493 |
|
TreeSetTest.suite(), |
494 |
|
TreeSubMapTest.suite(), |
495 |
|
TreeSubSetTest.suite()); |
496 |
+ |
|
497 |
+ |
// Java8+ test classes |
498 |
+ |
if (atLeastJava8()) { |
499 |
+ |
String[] java8TestClassNames = { |
500 |
+ |
"Atomic8Test", |
501 |
+ |
"CompletableFutureTest", |
502 |
+ |
"ConcurrentHashMap8Test", |
503 |
+ |
"CountedCompleterTest", |
504 |
+ |
"DoubleAccumulatorTest", |
505 |
+ |
"DoubleAdderTest", |
506 |
+ |
"ForkJoinPool8Test", |
507 |
+ |
"ForkJoinTask8Test", |
508 |
+ |
"LongAccumulatorTest", |
509 |
+ |
"LongAdderTest", |
510 |
+ |
"SplittableRandomTest", |
511 |
+ |
"StampedLockTest", |
512 |
+ |
"SubmissionPublisherTest", |
513 |
+ |
"ThreadLocalRandom8Test", |
514 |
+ |
}; |
515 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
516 |
+ |
} |
517 |
+ |
|
518 |
+ |
// Java9+ test classes |
519 |
+ |
if (atLeastJava9()) { |
520 |
+ |
String[] java9TestClassNames = { |
521 |
+ |
// Currently empty, but expecting varhandle tests |
522 |
+ |
}; |
523 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
524 |
+ |
} |
525 |
+ |
|
526 |
+ |
return suite; |
527 |
+ |
} |
528 |
+ |
|
529 |
+ |
/** Returns list of junit-style test method names in given class. */ |
530 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
531 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
532 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
533 |
+ |
for (Method method : methods) { |
534 |
+ |
if (method.getName().startsWith("test") |
535 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
536 |
+ |
// method.getParameterCount() requires jdk8+ |
537 |
+ |
&& method.getParameterTypes().length == 0) { |
538 |
+ |
names.add(method.getName()); |
539 |
+ |
} |
540 |
+ |
} |
541 |
+ |
return names; |
542 |
+ |
} |
543 |
+ |
|
544 |
+ |
/** |
545 |
+ |
* Returns junit-style testSuite for the given test class, but |
546 |
+ |
* parameterized by passing extra data to each test. |
547 |
+ |
*/ |
548 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
549 |
+ |
(Class<? extends JSR166TestCase> testClass, |
550 |
+ |
Class<ExtraData> dataClass, |
551 |
+ |
ExtraData data) { |
552 |
+ |
try { |
553 |
+ |
TestSuite suite = new TestSuite(); |
554 |
+ |
Constructor c = |
555 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
556 |
+ |
for (String methodName : testMethodNames(testClass)) |
557 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
558 |
+ |
return suite; |
559 |
+ |
} catch (Exception e) { |
560 |
+ |
throw new Error(e); |
561 |
+ |
} |
562 |
+ |
} |
563 |
+ |
|
564 |
+ |
/** |
565 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
566 |
+ |
* given test class, but parameterized by passing extra data to |
567 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
568 |
+ |
*/ |
569 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
570 |
+ |
(Class<? extends JSR166TestCase> testClass, |
571 |
+ |
Class<ExtraData> dataClass, |
572 |
+ |
ExtraData data) { |
573 |
+ |
if (atLeastJava8()) { |
574 |
+ |
String name = testClass.getName(); |
575 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
576 |
+ |
if (name.equals(name8)) throw new Error(name); |
577 |
+ |
try { |
578 |
+ |
return (Test) |
579 |
+ |
Class.forName(name8) |
580 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
581 |
+ |
.invoke(null, data); |
582 |
+ |
} catch (Exception e) { |
583 |
+ |
throw new Error(e); |
584 |
+ |
} |
585 |
+ |
} else { |
586 |
+ |
return new TestSuite(); |
587 |
+ |
} |
588 |
|
} |
589 |
|
|
590 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
591 |
|
|
592 |
|
public static long SHORT_DELAY_MS; |
593 |
|
public static long SMALL_DELAY_MS; |
594 |
|
public static long MEDIUM_DELAY_MS; |
595 |
|
public static long LONG_DELAY_MS; |
596 |
|
|
246 |
– |
|
597 |
|
/** |
598 |
< |
* Returns the shortest timed delay. This could |
599 |
< |
* be reimplemented to use for example a Property. |
598 |
> |
* Returns the shortest timed delay. This can be scaled up for |
599 |
> |
* slow machines using the jsr166.delay.factor system property, |
600 |
> |
* or via jtreg's -timeoutFactor: flag. |
601 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
602 |
|
*/ |
603 |
|
protected long getShortDelay() { |
604 |
< |
return 50; |
604 |
> |
return (long) (50 * delayFactor); |
605 |
|
} |
606 |
|
|
255 |
– |
|
607 |
|
/** |
608 |
|
* Sets delays as multiples of SHORT_DELAY. |
609 |
|
*/ |
611 |
|
SHORT_DELAY_MS = getShortDelay(); |
612 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
613 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
614 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
614 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
615 |
> |
} |
616 |
> |
|
617 |
> |
/** |
618 |
> |
* Returns a timeout in milliseconds to be used in tests that |
619 |
> |
* verify that operations block or time out. |
620 |
> |
*/ |
621 |
> |
long timeoutMillis() { |
622 |
> |
return SHORT_DELAY_MS / 4; |
623 |
> |
} |
624 |
> |
|
625 |
> |
/** |
626 |
> |
* Returns a new Date instance representing a time at least |
627 |
> |
* delayMillis milliseconds in the future. |
628 |
> |
*/ |
629 |
> |
Date delayedDate(long delayMillis) { |
630 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
631 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
632 |
|
} |
633 |
|
|
634 |
|
/** |
644 |
|
* the same test have no effect. |
645 |
|
*/ |
646 |
|
public void threadRecordFailure(Throwable t) { |
647 |
+ |
System.err.println(t); |
648 |
+ |
dumpTestThreads(); |
649 |
|
threadFailure.compareAndSet(null, t); |
650 |
|
} |
651 |
|
|
653 |
|
setDelays(); |
654 |
|
} |
655 |
|
|
656 |
+ |
void tearDownFail(String format, Object... args) { |
657 |
+ |
String msg = toString() + ": " + String.format(format, args); |
658 |
+ |
System.err.println(msg); |
659 |
+ |
dumpTestThreads(); |
660 |
+ |
throw new AssertionFailedError(msg); |
661 |
+ |
} |
662 |
+ |
|
663 |
|
/** |
664 |
+ |
* Extra checks that get done for all test cases. |
665 |
+ |
* |
666 |
|
* Triggers test case failure if any thread assertions have failed, |
667 |
|
* by rethrowing, in the test harness thread, any exception recorded |
668 |
|
* earlier by threadRecordFailure. |
669 |
+ |
* |
670 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
671 |
|
*/ |
672 |
|
public void tearDown() throws Exception { |
673 |
< |
Throwable t = threadFailure.get(); |
673 |
> |
Throwable t = threadFailure.getAndSet(null); |
674 |
|
if (t != null) { |
675 |
|
if (t instanceof Error) |
676 |
|
throw (Error) t; |
685 |
|
throw afe; |
686 |
|
} |
687 |
|
} |
688 |
+ |
|
689 |
+ |
if (Thread.interrupted()) |
690 |
+ |
tearDownFail("interrupt status set in main thread"); |
691 |
+ |
|
692 |
+ |
checkForkJoinPoolThreadLeaks(); |
693 |
+ |
} |
694 |
+ |
|
695 |
+ |
/** |
696 |
+ |
* Finds missing PoolCleaners |
697 |
+ |
*/ |
698 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
699 |
+ |
Thread[] survivors = new Thread[7]; |
700 |
+ |
int count = Thread.enumerate(survivors); |
701 |
+ |
for (int i = 0; i < count; i++) { |
702 |
+ |
Thread thread = survivors[i]; |
703 |
+ |
String name = thread.getName(); |
704 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
705 |
+ |
// give thread some time to terminate |
706 |
+ |
thread.join(LONG_DELAY_MS); |
707 |
+ |
if (thread.isAlive()) |
708 |
+ |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
709 |
+ |
thread); |
710 |
+ |
} |
711 |
+ |
} |
712 |
+ |
|
713 |
+ |
if (!ForkJoinPool.commonPool() |
714 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
715 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
716 |
|
} |
717 |
|
|
718 |
|
/** |
725 |
|
fail(reason); |
726 |
|
} catch (AssertionFailedError t) { |
727 |
|
threadRecordFailure(t); |
728 |
< |
fail(reason); |
728 |
> |
throw t; |
729 |
|
} |
730 |
|
} |
731 |
|
|
793 |
|
public void threadAssertEquals(Object x, Object y) { |
794 |
|
try { |
795 |
|
assertEquals(x, y); |
796 |
< |
} catch (AssertionFailedError t) { |
797 |
< |
threadRecordFailure(t); |
798 |
< |
throw t; |
799 |
< |
} catch (Throwable t) { |
800 |
< |
threadUnexpectedException(t); |
796 |
> |
} catch (AssertionFailedError fail) { |
797 |
> |
threadRecordFailure(fail); |
798 |
> |
throw fail; |
799 |
> |
} catch (Throwable fail) { |
800 |
> |
threadUnexpectedException(fail); |
801 |
|
} |
802 |
|
} |
803 |
|
|
809 |
|
public void threadAssertSame(Object x, Object y) { |
810 |
|
try { |
811 |
|
assertSame(x, y); |
812 |
< |
} catch (AssertionFailedError t) { |
813 |
< |
threadRecordFailure(t); |
814 |
< |
throw t; |
812 |
> |
} catch (AssertionFailedError fail) { |
813 |
> |
threadRecordFailure(fail); |
814 |
> |
throw fail; |
815 |
|
} |
816 |
|
} |
817 |
|
|
844 |
|
else { |
845 |
|
AssertionFailedError afe = |
846 |
|
new AssertionFailedError("unexpected exception: " + t); |
847 |
< |
t.initCause(t); |
847 |
> |
afe.initCause(t); |
848 |
|
throw afe; |
849 |
|
} |
850 |
|
} |
851 |
|
|
852 |
|
/** |
853 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
854 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
855 |
+ |
* until time elapses. Ensures that the given time, as measured |
856 |
+ |
* by System.nanoTime(), has elapsed. |
857 |
+ |
*/ |
858 |
+ |
static void delay(long millis) throws InterruptedException { |
859 |
+ |
long nanos = millis * (1000 * 1000); |
860 |
+ |
final long wakeupTime = System.nanoTime() + nanos; |
861 |
+ |
do { |
862 |
+ |
if (millis > 0L) |
863 |
+ |
Thread.sleep(millis); |
864 |
+ |
else // too short to sleep |
865 |
+ |
Thread.yield(); |
866 |
+ |
nanos = wakeupTime - System.nanoTime(); |
867 |
+ |
millis = nanos / (1000 * 1000); |
868 |
+ |
} while (nanos >= 0L); |
869 |
+ |
} |
870 |
+ |
|
871 |
+ |
/** |
872 |
+ |
* Allows use of try-with-resources with per-test thread pools. |
873 |
+ |
*/ |
874 |
+ |
class PoolCleaner implements AutoCloseable { |
875 |
+ |
private final ExecutorService pool; |
876 |
+ |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
877 |
+ |
public void close() { joinPool(pool); } |
878 |
+ |
} |
879 |
+ |
|
880 |
+ |
/** |
881 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
882 |
+ |
*/ |
883 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
884 |
+ |
private final Runnable releaser; |
885 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
886 |
+ |
super(pool); |
887 |
+ |
this.releaser = releaser; |
888 |
+ |
} |
889 |
+ |
public void close() { |
890 |
+ |
try { |
891 |
+ |
releaser.run(); |
892 |
+ |
} finally { |
893 |
+ |
super.close(); |
894 |
+ |
} |
895 |
+ |
} |
896 |
+ |
} |
897 |
+ |
|
898 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
899 |
+ |
return new PoolCleaner(pool); |
900 |
+ |
} |
901 |
+ |
|
902 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
903 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
904 |
+ |
} |
905 |
+ |
|
906 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
907 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
908 |
+ |
} |
909 |
+ |
|
910 |
+ |
Runnable releaser(final CountDownLatch latch) { |
911 |
+ |
return new Runnable() { public void run() { |
912 |
+ |
do { latch.countDown(); } |
913 |
+ |
while (latch.getCount() > 0); |
914 |
+ |
}}; |
915 |
+ |
} |
916 |
+ |
|
917 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
918 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
919 |
+ |
} |
920 |
+ |
|
921 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
922 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
923 |
+ |
} |
924 |
+ |
|
925 |
+ |
/** |
926 |
|
* Waits out termination of a thread pool or fails doing so. |
927 |
|
*/ |
928 |
< |
public void joinPool(ExecutorService exec) { |
928 |
> |
void joinPool(ExecutorService pool) { |
929 |
|
try { |
930 |
< |
exec.shutdown(); |
931 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
932 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
930 |
> |
pool.shutdown(); |
931 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
932 |
> |
try { |
933 |
> |
threadFail("ExecutorService " + pool + |
934 |
> |
" did not terminate in a timely manner"); |
935 |
> |
} finally { |
936 |
> |
// last resort, for the benefit of subsequent tests |
937 |
> |
pool.shutdownNow(); |
938 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
939 |
> |
} |
940 |
> |
} |
941 |
|
} catch (SecurityException ok) { |
942 |
|
// Allowed in case test doesn't have privs |
943 |
< |
} catch (InterruptedException ie) { |
944 |
< |
fail("Unexpected InterruptedException"); |
943 |
> |
} catch (InterruptedException fail) { |
944 |
> |
threadFail("Unexpected InterruptedException"); |
945 |
> |
} |
946 |
> |
} |
947 |
> |
|
948 |
> |
/** Like Runnable, but with the freedom to throw anything */ |
949 |
> |
interface Action { public void run() throws Throwable; } |
950 |
> |
|
951 |
> |
/** |
952 |
> |
* Runs all the given actions in parallel, failing if any fail. |
953 |
> |
* Useful for running multiple variants of tests that are |
954 |
> |
* necessarily individually slow because they must block. |
955 |
> |
*/ |
956 |
> |
void testInParallel(Action ... actions) { |
957 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
958 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
959 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
960 |
> |
for (final Action action : actions) |
961 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
962 |
> |
public void realRun() throws Throwable { action.run();}})); |
963 |
> |
for (Future<?> future : futures) |
964 |
> |
try { |
965 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
966 |
> |
} catch (ExecutionException ex) { |
967 |
> |
threadUnexpectedException(ex.getCause()); |
968 |
> |
} catch (Exception ex) { |
969 |
> |
threadUnexpectedException(ex); |
970 |
> |
} |
971 |
|
} |
972 |
|
} |
973 |
|
|
974 |
+ |
/** |
975 |
+ |
* A debugging tool to print stack traces of most threads, as jstack does. |
976 |
+ |
* Uninteresting threads are filtered out. |
977 |
+ |
*/ |
978 |
+ |
static void dumpTestThreads() { |
979 |
+ |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
980 |
+ |
System.err.println("------ stacktrace dump start ------"); |
981 |
+ |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
982 |
+ |
String name = info.getThreadName(); |
983 |
+ |
if ("Signal Dispatcher".equals(name)) |
984 |
+ |
continue; |
985 |
+ |
if ("Reference Handler".equals(name) |
986 |
+ |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
987 |
+ |
continue; |
988 |
+ |
if ("Finalizer".equals(name) |
989 |
+ |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
990 |
+ |
continue; |
991 |
+ |
if ("checkForWedgedTest".equals(name)) |
992 |
+ |
continue; |
993 |
+ |
System.err.print(info); |
994 |
+ |
} |
995 |
+ |
System.err.println("------ stacktrace dump end ------"); |
996 |
+ |
} |
997 |
+ |
|
998 |
+ |
/** |
999 |
+ |
* Checks that thread does not terminate within the default |
1000 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
1001 |
+ |
*/ |
1002 |
+ |
void assertThreadStaysAlive(Thread thread) { |
1003 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
1004 |
+ |
} |
1005 |
+ |
|
1006 |
+ |
/** |
1007 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
1008 |
+ |
*/ |
1009 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
1010 |
+ |
try { |
1011 |
+ |
// No need to optimize the failing case via Thread.join. |
1012 |
+ |
delay(millis); |
1013 |
+ |
assertTrue(thread.isAlive()); |
1014 |
+ |
} catch (InterruptedException fail) { |
1015 |
+ |
threadFail("Unexpected InterruptedException"); |
1016 |
+ |
} |
1017 |
+ |
} |
1018 |
+ |
|
1019 |
+ |
/** |
1020 |
+ |
* Checks that the threads do not terminate within the default |
1021 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
1022 |
+ |
*/ |
1023 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
1024 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
1025 |
+ |
} |
1026 |
+ |
|
1027 |
+ |
/** |
1028 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
1029 |
+ |
*/ |
1030 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1031 |
+ |
try { |
1032 |
+ |
// No need to optimize the failing case via Thread.join. |
1033 |
+ |
delay(millis); |
1034 |
+ |
for (Thread thread : threads) |
1035 |
+ |
assertTrue(thread.isAlive()); |
1036 |
+ |
} catch (InterruptedException fail) { |
1037 |
+ |
threadFail("Unexpected InterruptedException"); |
1038 |
+ |
} |
1039 |
+ |
} |
1040 |
+ |
|
1041 |
+ |
/** |
1042 |
+ |
* Checks that future.get times out, with the default timeout of |
1043 |
+ |
* {@code timeoutMillis()}. |
1044 |
+ |
*/ |
1045 |
+ |
void assertFutureTimesOut(Future future) { |
1046 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
1047 |
+ |
} |
1048 |
+ |
|
1049 |
+ |
/** |
1050 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
1051 |
+ |
*/ |
1052 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
1053 |
+ |
long startTime = System.nanoTime(); |
1054 |
+ |
try { |
1055 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
1056 |
+ |
shouldThrow(); |
1057 |
+ |
} catch (TimeoutException success) { |
1058 |
+ |
} catch (Exception fail) { |
1059 |
+ |
threadUnexpectedException(fail); |
1060 |
+ |
} finally { future.cancel(true); } |
1061 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
1062 |
+ |
} |
1063 |
|
|
1064 |
|
/** |
1065 |
|
* Fails with message "should throw exception". |
1100 |
|
public static final Integer m6 = new Integer(-6); |
1101 |
|
public static final Integer m10 = new Integer(-10); |
1102 |
|
|
498 |
– |
|
1103 |
|
/** |
1104 |
|
* Runs Runnable r with a security policy that permits precisely |
1105 |
|
* the specified permissions. If there is no current security |
1111 |
|
SecurityManager sm = System.getSecurityManager(); |
1112 |
|
if (sm == null) { |
1113 |
|
r.run(); |
1114 |
+ |
} |
1115 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1116 |
+ |
} |
1117 |
+ |
|
1118 |
+ |
/** |
1119 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1120 |
+ |
* the specified permissions. If there is no current security |
1121 |
+ |
* manager, a temporary one is set for the duration of the |
1122 |
+ |
* Runnable. We require that any security manager permit |
1123 |
+ |
* getPolicy/setPolicy. |
1124 |
+ |
*/ |
1125 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1126 |
+ |
Permission... permissions) { |
1127 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1128 |
+ |
if (sm == null) { |
1129 |
|
Policy savedPolicy = Policy.getPolicy(); |
1130 |
|
try { |
1131 |
|
Policy.setPolicy(permissivePolicy()); |
1132 |
|
System.setSecurityManager(new SecurityManager()); |
1133 |
< |
runWithPermissions(r, permissions); |
1133 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1134 |
|
} finally { |
1135 |
|
System.setSecurityManager(null); |
1136 |
|
Policy.setPolicy(savedPolicy); |
1178 |
|
return perms.implies(p); |
1179 |
|
} |
1180 |
|
public void refresh() {} |
1181 |
+ |
public String toString() { |
1182 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
1183 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1184 |
+ |
ps.add(e.nextElement()); |
1185 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1186 |
+ |
} |
1187 |
|
} |
1188 |
|
|
1189 |
|
/** |
1211 |
|
*/ |
1212 |
|
void sleep(long millis) { |
1213 |
|
try { |
1214 |
< |
Thread.sleep(millis); |
1215 |
< |
} catch (InterruptedException ie) { |
1214 |
> |
delay(millis); |
1215 |
> |
} catch (InterruptedException fail) { |
1216 |
|
AssertionFailedError afe = |
1217 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1218 |
< |
afe.initCause(ie); |
1218 |
> |
afe.initCause(fail); |
1219 |
|
throw afe; |
1220 |
|
} |
1221 |
|
} |
1222 |
|
|
1223 |
|
/** |
1224 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
600 |
< |
* Does <em>NOT</em> throw InterruptedException. |
601 |
< |
*/ |
602 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
603 |
< |
try { |
604 |
< |
Thread.sleep(timeoutMillis); |
605 |
< |
} catch (InterruptedException wakeup) {} |
606 |
< |
} |
607 |
< |
|
608 |
< |
/** |
609 |
< |
* Waits up to the specified number of milliseconds for the given |
1224 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1225 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1226 |
|
*/ |
1227 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1228 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
614 |
< |
long t0 = System.nanoTime(); |
1228 |
> |
long startTime = System.nanoTime(); |
1229 |
|
for (;;) { |
1230 |
|
Thread.State s = thread.getState(); |
1231 |
|
if (s == Thread.State.BLOCKED || |
1232 |
|
s == Thread.State.WAITING || |
1233 |
< |
s == Thread.State.TIMED_WAITING || |
1234 |
< |
System.nanoTime() - t0 > timeoutNanos) |
1233 |
> |
s == Thread.State.TIMED_WAITING) |
1234 |
> |
return; |
1235 |
> |
else if (s == Thread.State.TERMINATED) |
1236 |
> |
fail("Unexpected thread termination"); |
1237 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1238 |
> |
threadAssertTrue(thread.isAlive()); |
1239 |
|
return; |
1240 |
+ |
} |
1241 |
|
Thread.yield(); |
1242 |
|
} |
1243 |
|
} |
1244 |
|
|
1245 |
|
/** |
1246 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1247 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1248 |
+ |
*/ |
1249 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
1250 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1251 |
+ |
} |
1252 |
+ |
|
1253 |
+ |
/** |
1254 |
|
* Returns the number of milliseconds since time given by |
1255 |
|
* startNanoTime, which must have been previously returned from a |
1256 |
< |
* call to {@link System.nanoTime()}. |
1256 |
> |
* call to {@link System#nanoTime()}. |
1257 |
|
*/ |
1258 |
< |
long millisElapsedSince(long startNanoTime) { |
1258 |
> |
static long millisElapsedSince(long startNanoTime) { |
1259 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1260 |
|
} |
1261 |
< |
|
1261 |
> |
|
1262 |
> |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1263 |
> |
// long startTime = System.nanoTime(); |
1264 |
> |
// try { |
1265 |
> |
// r.run(); |
1266 |
> |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1267 |
> |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1268 |
> |
// throw new AssertionFailedError("did not return promptly"); |
1269 |
> |
// } |
1270 |
> |
|
1271 |
> |
// void assertTerminatesPromptly(Runnable r) { |
1272 |
> |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1273 |
> |
// } |
1274 |
> |
|
1275 |
> |
/** |
1276 |
> |
* Checks that timed f.get() returns the expected value, and does not |
1277 |
> |
* wait for the timeout to elapse before returning. |
1278 |
> |
*/ |
1279 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1280 |
> |
long startTime = System.nanoTime(); |
1281 |
> |
try { |
1282 |
> |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1283 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1284 |
> |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1285 |
> |
throw new AssertionFailedError("timed get did not return promptly"); |
1286 |
> |
} |
1287 |
> |
|
1288 |
> |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1289 |
> |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1290 |
> |
} |
1291 |
> |
|
1292 |
|
/** |
1293 |
|
* Returns a new started daemon Thread running the given runnable. |
1294 |
|
*/ |
1307 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1308 |
|
try { |
1309 |
|
t.join(timeoutMillis); |
1310 |
< |
} catch (InterruptedException ie) { |
1311 |
< |
threadUnexpectedException(ie); |
1310 |
> |
} catch (InterruptedException fail) { |
1311 |
> |
threadUnexpectedException(fail); |
1312 |
|
} finally { |
1313 |
< |
if (t.isAlive()) { |
1313 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
1314 |
|
t.interrupt(); |
1315 |
< |
fail("Test timed out"); |
1315 |
> |
threadFail("timed out waiting for thread to terminate"); |
1316 |
|
} |
1317 |
|
} |
1318 |
|
} |
1319 |
|
|
1320 |
+ |
/** |
1321 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
1322 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
1323 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1324 |
+ |
*/ |
1325 |
+ |
void awaitTermination(Thread t) { |
1326 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
1327 |
+ |
} |
1328 |
+ |
|
1329 |
|
// Some convenient Runnable classes |
1330 |
|
|
1331 |
|
public abstract class CheckedRunnable implements Runnable { |
1334 |
|
public final void run() { |
1335 |
|
try { |
1336 |
|
realRun(); |
1337 |
< |
} catch (Throwable t) { |
1338 |
< |
threadUnexpectedException(t); |
1337 |
> |
} catch (Throwable fail) { |
1338 |
> |
threadUnexpectedException(fail); |
1339 |
|
} |
1340 |
|
} |
1341 |
|
} |
1388 |
|
realRun(); |
1389 |
|
threadShouldThrow("InterruptedException"); |
1390 |
|
} catch (InterruptedException success) { |
1391 |
< |
} catch (Throwable t) { |
1392 |
< |
threadUnexpectedException(t); |
1391 |
> |
threadAssertFalse(Thread.interrupted()); |
1392 |
> |
} catch (Throwable fail) { |
1393 |
> |
threadUnexpectedException(fail); |
1394 |
|
} |
1395 |
|
} |
1396 |
|
} |
1401 |
|
public final T call() { |
1402 |
|
try { |
1403 |
|
return realCall(); |
1404 |
< |
} catch (Throwable t) { |
1405 |
< |
threadUnexpectedException(t); |
1404 |
> |
} catch (Throwable fail) { |
1405 |
> |
threadUnexpectedException(fail); |
1406 |
|
return null; |
1407 |
|
} |
1408 |
|
} |
1418 |
|
threadShouldThrow("InterruptedException"); |
1419 |
|
return result; |
1420 |
|
} catch (InterruptedException success) { |
1421 |
< |
} catch (Throwable t) { |
1422 |
< |
threadUnexpectedException(t); |
1421 |
> |
threadAssertFalse(Thread.interrupted()); |
1422 |
> |
} catch (Throwable fail) { |
1423 |
> |
threadUnexpectedException(fail); |
1424 |
|
} |
1425 |
|
return null; |
1426 |
|
} |
1437 |
|
public static final String TEST_STRING = "a test string"; |
1438 |
|
|
1439 |
|
public static class StringTask implements Callable<String> { |
1440 |
< |
public String call() { return TEST_STRING; } |
1440 |
> |
final String value; |
1441 |
> |
public StringTask() { this(TEST_STRING); } |
1442 |
> |
public StringTask(String value) { this.value = value; } |
1443 |
> |
public String call() { return value; } |
1444 |
|
} |
1445 |
|
|
1446 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1453 |
|
}}; |
1454 |
|
} |
1455 |
|
|
1456 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
1457 |
+ |
return new CheckedRunnable() { |
1458 |
+ |
public void realRun() throws InterruptedException { |
1459 |
+ |
latch.countDown(); |
1460 |
+ |
}}; |
1461 |
+ |
} |
1462 |
+ |
|
1463 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1464 |
+ |
static final int NEW = 0; |
1465 |
+ |
static final int RUNNING = 1; |
1466 |
+ |
static final int DONE = 2; |
1467 |
+ |
final CountDownLatch latch; |
1468 |
+ |
int state = NEW; |
1469 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1470 |
+ |
public void realRun() throws InterruptedException { |
1471 |
+ |
state = 1; |
1472 |
+ |
await(latch); |
1473 |
+ |
state = 2; |
1474 |
+ |
} |
1475 |
+ |
} |
1476 |
+ |
|
1477 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1478 |
+ |
return new LatchAwaiter(latch); |
1479 |
+ |
} |
1480 |
+ |
|
1481 |
+ |
public void await(CountDownLatch latch, long timeoutMillis) { |
1482 |
+ |
try { |
1483 |
+ |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1484 |
+ |
fail("timed out waiting for CountDownLatch for " |
1485 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1486 |
+ |
} catch (Throwable fail) { |
1487 |
+ |
threadUnexpectedException(fail); |
1488 |
+ |
} |
1489 |
+ |
} |
1490 |
+ |
|
1491 |
+ |
public void await(CountDownLatch latch) { |
1492 |
+ |
await(latch, LONG_DELAY_MS); |
1493 |
+ |
} |
1494 |
+ |
|
1495 |
+ |
public void await(Semaphore semaphore) { |
1496 |
+ |
try { |
1497 |
+ |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1498 |
+ |
fail("timed out waiting for Semaphore for " |
1499 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1500 |
+ |
} catch (Throwable fail) { |
1501 |
+ |
threadUnexpectedException(fail); |
1502 |
+ |
} |
1503 |
+ |
} |
1504 |
+ |
|
1505 |
+ |
// /** |
1506 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1507 |
+ |
// */ |
1508 |
+ |
// public void await(AtomicBoolean flag) { |
1509 |
+ |
// await(flag, LONG_DELAY_MS); |
1510 |
+ |
// } |
1511 |
+ |
|
1512 |
+ |
// /** |
1513 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1514 |
+ |
// */ |
1515 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1516 |
+ |
// long startTime = System.nanoTime(); |
1517 |
+ |
// while (!flag.get()) { |
1518 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1519 |
+ |
// throw new AssertionFailedError("timed out"); |
1520 |
+ |
// Thread.yield(); |
1521 |
+ |
// } |
1522 |
+ |
// } |
1523 |
+ |
|
1524 |
|
public static class NPETask implements Callable<String> { |
1525 |
|
public String call() { throw new NullPointerException(); } |
1526 |
|
} |
1531 |
|
|
1532 |
|
public class ShortRunnable extends CheckedRunnable { |
1533 |
|
protected void realRun() throws Throwable { |
1534 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1534 |
> |
delay(SHORT_DELAY_MS); |
1535 |
|
} |
1536 |
|
} |
1537 |
|
|
1538 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1539 |
|
protected void realRun() throws InterruptedException { |
1540 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1540 |
> |
delay(SHORT_DELAY_MS); |
1541 |
|
} |
1542 |
|
} |
1543 |
|
|
1544 |
|
public class SmallRunnable extends CheckedRunnable { |
1545 |
|
protected void realRun() throws Throwable { |
1546 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1546 |
> |
delay(SMALL_DELAY_MS); |
1547 |
|
} |
1548 |
|
} |
1549 |
|
|
1550 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1551 |
|
protected void realRun() { |
1552 |
|
try { |
1553 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1553 |
> |
delay(SMALL_DELAY_MS); |
1554 |
|
} catch (InterruptedException ok) {} |
1555 |
|
} |
1556 |
|
} |
1557 |
|
|
1558 |
|
public class SmallCallable extends CheckedCallable { |
1559 |
|
protected Object realCall() throws InterruptedException { |
1560 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1560 |
> |
delay(SMALL_DELAY_MS); |
1561 |
|
return Boolean.TRUE; |
1562 |
|
} |
1563 |
|
} |
1564 |
|
|
1565 |
|
public class MediumRunnable extends CheckedRunnable { |
1566 |
|
protected void realRun() throws Throwable { |
1567 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1567 |
> |
delay(MEDIUM_DELAY_MS); |
1568 |
|
} |
1569 |
|
} |
1570 |
|
|
1571 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1572 |
|
protected void realRun() throws InterruptedException { |
1573 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1573 |
> |
delay(MEDIUM_DELAY_MS); |
1574 |
|
} |
1575 |
|
} |
1576 |
|
|
1578 |
|
return new CheckedRunnable() { |
1579 |
|
protected void realRun() { |
1580 |
|
try { |
1581 |
< |
Thread.sleep(timeoutMillis); |
1581 |
> |
delay(timeoutMillis); |
1582 |
|
} catch (InterruptedException ok) {} |
1583 |
|
}}; |
1584 |
|
} |
1586 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1587 |
|
protected void realRun() { |
1588 |
|
try { |
1589 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1589 |
> |
delay(MEDIUM_DELAY_MS); |
1590 |
|
} catch (InterruptedException ok) {} |
1591 |
|
} |
1592 |
|
} |
1594 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1595 |
|
protected void realRun() { |
1596 |
|
try { |
1597 |
< |
Thread.sleep(LONG_DELAY_MS); |
1597 |
> |
delay(LONG_DELAY_MS); |
1598 |
|
} catch (InterruptedException ok) {} |
1599 |
|
} |
1600 |
|
} |
1618 |
|
public boolean isDone() { return done; } |
1619 |
|
public void run() { |
1620 |
|
try { |
1621 |
< |
Thread.sleep(timeoutMillis); |
1621 |
> |
delay(timeoutMillis); |
1622 |
|
done = true; |
1623 |
|
} catch (InterruptedException ok) {} |
1624 |
|
} |
1629 |
|
public volatile boolean done = false; |
1630 |
|
public void run() { |
1631 |
|
try { |
1632 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1632 |
> |
delay(SHORT_DELAY_MS); |
1633 |
|
done = true; |
1634 |
|
} catch (InterruptedException ok) {} |
1635 |
|
} |
1639 |
|
public volatile boolean done = false; |
1640 |
|
public void run() { |
1641 |
|
try { |
1642 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1642 |
> |
delay(SMALL_DELAY_MS); |
1643 |
|
done = true; |
1644 |
|
} catch (InterruptedException ok) {} |
1645 |
|
} |
1649 |
|
public volatile boolean done = false; |
1650 |
|
public void run() { |
1651 |
|
try { |
1652 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1652 |
> |
delay(MEDIUM_DELAY_MS); |
1653 |
|
done = true; |
1654 |
|
} catch (InterruptedException ok) {} |
1655 |
|
} |
1659 |
|
public volatile boolean done = false; |
1660 |
|
public void run() { |
1661 |
|
try { |
1662 |
< |
Thread.sleep(LONG_DELAY_MS); |
1662 |
> |
delay(LONG_DELAY_MS); |
1663 |
|
done = true; |
1664 |
|
} catch (InterruptedException ok) {} |
1665 |
|
} |
1676 |
|
public volatile boolean done = false; |
1677 |
|
public Object call() { |
1678 |
|
try { |
1679 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1679 |
> |
delay(SMALL_DELAY_MS); |
1680 |
|
done = true; |
1681 |
|
} catch (InterruptedException ok) {} |
1682 |
|
return Boolean.TRUE; |
1689 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1690 |
|
protected abstract void realCompute() throws Throwable; |
1691 |
|
|
1692 |
< |
public final void compute() { |
1692 |
> |
@Override protected final void compute() { |
1693 |
|
try { |
1694 |
|
realCompute(); |
1695 |
< |
} catch (Throwable t) { |
1696 |
< |
threadUnexpectedException(t); |
1695 |
> |
} catch (Throwable fail) { |
1696 |
> |
threadUnexpectedException(fail); |
1697 |
|
} |
1698 |
|
} |
1699 |
|
} |
1704 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1705 |
|
protected abstract T realCompute() throws Throwable; |
1706 |
|
|
1707 |
< |
public final T compute() { |
1707 |
> |
@Override protected final T compute() { |
1708 |
|
try { |
1709 |
|
return realCompute(); |
1710 |
< |
} catch (Throwable t) { |
1711 |
< |
threadUnexpectedException(t); |
1710 |
> |
} catch (Throwable fail) { |
1711 |
> |
threadUnexpectedException(fail); |
1712 |
|
return null; |
1713 |
|
} |
1714 |
|
} |
1723 |
|
} |
1724 |
|
|
1725 |
|
/** |
1726 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1727 |
< |
* of throwing checked exceptions. |
1726 |
> |
* A CyclicBarrier that uses timed await and fails with |
1727 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1728 |
|
*/ |
1729 |
|
public class CheckedBarrier extends CyclicBarrier { |
1730 |
|
public CheckedBarrier(int parties) { super(parties); } |
1731 |
|
|
1732 |
|
public int await() { |
1733 |
|
try { |
1734 |
< |
return super.await(); |
1735 |
< |
} catch (Exception e) { |
1734 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1735 |
> |
} catch (TimeoutException timedOut) { |
1736 |
> |
throw new AssertionFailedError("timed out"); |
1737 |
> |
} catch (Exception fail) { |
1738 |
|
AssertionFailedError afe = |
1739 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1740 |
< |
afe.initCause(e); |
1739 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1740 |
> |
afe.initCause(fail); |
1741 |
|
throw afe; |
1742 |
|
} |
1743 |
|
} |
1744 |
|
} |
1745 |
|
|
1746 |
+ |
void checkEmpty(BlockingQueue q) { |
1747 |
+ |
try { |
1748 |
+ |
assertTrue(q.isEmpty()); |
1749 |
+ |
assertEquals(0, q.size()); |
1750 |
+ |
assertNull(q.peek()); |
1751 |
+ |
assertNull(q.poll()); |
1752 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1753 |
+ |
assertEquals(q.toString(), "[]"); |
1754 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1755 |
+ |
assertFalse(q.iterator().hasNext()); |
1756 |
+ |
try { |
1757 |
+ |
q.element(); |
1758 |
+ |
shouldThrow(); |
1759 |
+ |
} catch (NoSuchElementException success) {} |
1760 |
+ |
try { |
1761 |
+ |
q.iterator().next(); |
1762 |
+ |
shouldThrow(); |
1763 |
+ |
} catch (NoSuchElementException success) {} |
1764 |
+ |
try { |
1765 |
+ |
q.remove(); |
1766 |
+ |
shouldThrow(); |
1767 |
+ |
} catch (NoSuchElementException success) {} |
1768 |
+ |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1769 |
+ |
} |
1770 |
+ |
|
1771 |
+ |
void assertSerialEquals(Object x, Object y) { |
1772 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1773 |
+ |
} |
1774 |
+ |
|
1775 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1776 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1777 |
+ |
} |
1778 |
+ |
|
1779 |
+ |
byte[] serialBytes(Object o) { |
1780 |
+ |
try { |
1781 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1782 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1783 |
+ |
oos.writeObject(o); |
1784 |
+ |
oos.flush(); |
1785 |
+ |
oos.close(); |
1786 |
+ |
return bos.toByteArray(); |
1787 |
+ |
} catch (Throwable fail) { |
1788 |
+ |
threadUnexpectedException(fail); |
1789 |
+ |
return new byte[0]; |
1790 |
+ |
} |
1791 |
+ |
} |
1792 |
+ |
|
1793 |
+ |
@SuppressWarnings("unchecked") |
1794 |
+ |
<T> T serialClone(T o) { |
1795 |
+ |
try { |
1796 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1797 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1798 |
+ |
T clone = (T) ois.readObject(); |
1799 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1800 |
+ |
return clone; |
1801 |
+ |
} catch (Throwable fail) { |
1802 |
+ |
threadUnexpectedException(fail); |
1803 |
+ |
return null; |
1804 |
+ |
} |
1805 |
+ |
} |
1806 |
+ |
|
1807 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1808 |
+ |
Runnable... throwingActions) { |
1809 |
+ |
for (Runnable throwingAction : throwingActions) { |
1810 |
+ |
boolean threw = false; |
1811 |
+ |
try { throwingAction.run(); } |
1812 |
+ |
catch (Throwable t) { |
1813 |
+ |
threw = true; |
1814 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1815 |
+ |
AssertionFailedError afe = |
1816 |
+ |
new AssertionFailedError |
1817 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1818 |
+ |
", got " + t.getClass().getName()); |
1819 |
+ |
afe.initCause(t); |
1820 |
+ |
threadUnexpectedException(afe); |
1821 |
+ |
} |
1822 |
+ |
} |
1823 |
+ |
if (!threw) |
1824 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1825 |
+ |
} |
1826 |
+ |
} |
1827 |
+ |
|
1828 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1829 |
+ |
try { |
1830 |
+ |
it.next(); |
1831 |
+ |
shouldThrow(); |
1832 |
+ |
} catch (NoSuchElementException success) {} |
1833 |
+ |
assertFalse(it.hasNext()); |
1834 |
+ |
} |
1835 |
|
} |