[ViewVC] Diff of: jsr166/jsr166/src/test/tck/Collection8Test.java

Comparing jsr166/src/test/tck/Collection8Test.java (file contents):
Revision 1.44 by jsr166, Sun Dec 18 20:47:28 2016 UTC vs.
Revision 1.45 by jsr166, Mon Dec 26 19:54:46 2016 UTC

+    /**
-+
+     * Concurrent Spliterators, once exhausted, stay exhausted.
-+
+     */
-+
+    public void testStickySpliteratorExhaustion() throws Throwable {
-+
+        if (!impl.isConcurrent()) return;
-+
+        if (!testImplementationDetails) return;
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+        final ThreadLocalRandom rnd = ThreadLocalRandom.current();
-+
+        final Consumer alwaysThrows = e -> { throw new AssertionError(); };
-+
+        final Collection c = impl.emptyCollection();
-+
+        final Spliterator s = c.spliterator();
-+
+        if (rnd.nextBoolean()) {
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+            assertFalse(s.tryAdvance(alwaysThrows));
-+
+        } else {
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+            s.forEachRemaining(alwaysThrows);
-+
+        }
-+
+        final Object one = impl.makeElement(1);
-+
+        // Spliterator should not notice added element
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+        c.add(one);
-+
+        if (rnd.nextBoolean()) {
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+            assertFalse(s.tryAdvance(alwaysThrows));
-+
+        } else {
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+            s.forEachRemaining(alwaysThrows);
-+
+        }
-+
+    }
-+
-+
+    /**
+     * Motley crew of threads concurrently randomly hammer the collection.
+     */
+    public void testDetectRaces() throws Throwable {

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