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/* |
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* Written by Doug Lea and Martin Buchholz with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
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* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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|
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import junit.framework.*; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.CompletableFuture; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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import java.util.*; |
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|
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public class CompletableFutureTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(CompletableFutureTest.class); |
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} |
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|
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void checkIncomplete(CompletableFuture<?> f) { |
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assertFalse(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.toString().contains("[Not completed]")); |
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try { |
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assertNull(f.getNow(null)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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f.get(0L, SECONDS); |
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shouldThrow(); |
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} |
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catch (TimeoutException success) {} |
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catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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void checkCompletedNormally(CompletableFuture<?> f, Object value) { |
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assertTrue(f.isDone()); |
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assertFalse(f.isCancelled()); |
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assertTrue(f.toString().contains("[Completed normally]")); |
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try { |
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assertSame(value, f.join()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertSame(value, f.getNow(null)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertSame(value, f.get()); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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try { |
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assertSame(value, f.get(0L, SECONDS)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
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|
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// XXXX Just a skeleton implementation for now. |
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public void testTODO() { |
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fail("Please add some real tests!"); |
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} |
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|
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public void testToString() { |
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CompletableFuture<String> f; |
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|
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f = new CompletableFuture<String>(); |
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assertTrue(f.toString().contains("[Not completed]")); |
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|
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f.complete("foo"); |
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assertTrue(f.toString().contains("[Completed normally]")); |
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|
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f = new CompletableFuture<String>(); |
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f.completeExceptionally(new IndexOutOfBoundsException()); |
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assertTrue(f.toString().contains("[Completed exceptionally]")); |
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} |
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|
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/** |
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* allOf(no component futures) returns a future completed normally |
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* with the value null |
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*/ |
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public void testAllOf_empty() throws Exception { |
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CompletableFuture<?> f = CompletableFuture.allOf(); |
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checkCompletedNormally(f, null); |
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} |
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|
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/** |
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* anyOf(no component futures) returns an incomplete future |
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*/ |
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public void testAnyOf_empty() throws Exception { |
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CompletableFuture<?> f = CompletableFuture.anyOf(); |
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checkIncomplete(f); |
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} |
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} |
