diff options
Diffstat (limited to 'jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java')
| -rw-r--r-- | jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java | 106 |
1 files changed, 104 insertions, 2 deletions
diff --git a/jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java b/jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java index ef75b4633b..c8d3856728 100644 --- a/jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java +++ b/jsr166-tests/src/test/java/jsr166/AtomicIntegerFieldUpdaterTest.java @@ -15,8 +15,10 @@ import junit.framework.TestSuite; public class AtomicIntegerFieldUpdaterTest extends JSR166TestCase { volatile int x = 0; + protected volatile int protectedField; + private volatile int privateField; int w; - long z; + float z; // android-note: Removed because the CTS runner does a bad job of // retrying tests that have suite() declarations. // @@ -24,7 +26,59 @@ public class AtomicIntegerFieldUpdaterTest extends JSR166TestCase { // main(suite(), args); // } // public static Test suite() { - // return new TestSuite(...); + // return new TestSuite(AtomicIntegerFieldUpdaterTest.class); + // } + + // for testing subclass access + // android-note: Removed because android doesn't restrict reflection access + // static class AtomicIntegerFieldUpdaterTestSubclass extends AtomicIntegerFieldUpdaterTest { + // public void checkPrivateAccess() { + // try { + // AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = + // AtomicIntegerFieldUpdater.newUpdater + // (AtomicIntegerFieldUpdaterTest.class, "privateField"); + // shouldThrow(); + // } catch (RuntimeException success) { + // assertNotNull(success.getCause()); + // } + // } + + // public void checkCompareAndSetProtectedSub() { + // AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = + // AtomicIntegerFieldUpdater.newUpdater + // (AtomicIntegerFieldUpdaterTest.class, "protectedField"); + // this.protectedField = 1; + // assertTrue(a.compareAndSet(this, 1, 2)); + // assertTrue(a.compareAndSet(this, 2, -4)); + // assertEquals(-4, a.get(this)); + // assertFalse(a.compareAndSet(this, -5, 7)); + // assertEquals(-4, a.get(this)); + // assertTrue(a.compareAndSet(this, -4, 7)); + // assertEquals(7, a.get(this)); + // } + // } + + // static class UnrelatedClass { + // public void checkPackageAccess(AtomicIntegerFieldUpdaterTest obj) { + // obj.x = 72; + // AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = + // AtomicIntegerFieldUpdater.newUpdater + // (AtomicIntegerFieldUpdaterTest.class, "x"); + // assertEquals(72, a.get(obj)); + // assertTrue(a.compareAndSet(obj, 72, 73)); + // assertEquals(73, a.get(obj)); + // } + + // public void checkPrivateAccess(AtomicIntegerFieldUpdaterTest obj) { + // try { + // AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a = + // AtomicIntegerFieldUpdater.newUpdater + // (AtomicIntegerFieldUpdaterTest.class, "privateField"); + // throw new AssertionError("should throw"); + // } catch (RuntimeException success) { + // assertNotNull(success.getCause()); + // } + // } // } AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> updaterFor(String fieldName) { @@ -65,6 +119,26 @@ public class AtomicIntegerFieldUpdaterTest extends JSR166TestCase { } /** + * construction using private field from subclass throws RuntimeException + */ + // android-note: Removed because android doesn't restrict reflection access + // public void testPrivateFieldInSubclass() { + // AtomicIntegerFieldUpdaterTestSubclass s = + // new AtomicIntegerFieldUpdaterTestSubclass(); + // s.checkPrivateAccess(); + // } + + /** + * construction from unrelated class; package access is allowed, + * private access is not + */ + // android-note: Removed because android doesn't restrict reflection access + // public void testUnrelatedClassAccess() { + // new UnrelatedClass().checkPackageAccess(this); + // new UnrelatedClass().checkPrivateAccess(this); + // } + + /** * get returns the last value set or assigned */ public void testGetSet() { @@ -109,6 +183,34 @@ public class AtomicIntegerFieldUpdaterTest extends JSR166TestCase { } /** + * compareAndSet succeeds in changing protected field value if + * equal to expected else fails + */ + public void testCompareAndSetProtected() { + AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a; + a = updaterFor("protectedField"); + protectedField = 1; + assertTrue(a.compareAndSet(this, 1, 2)); + assertTrue(a.compareAndSet(this, 2, -4)); + assertEquals(-4, a.get(this)); + assertFalse(a.compareAndSet(this, -5, 7)); + assertEquals(-4, a.get(this)); + assertTrue(a.compareAndSet(this, -4, 7)); + assertEquals(7, a.get(this)); + } + + /** + * compareAndSet succeeds in changing protected field value if + * equal to expected else fails + */ + // android-note: Removed because android doesn't restrict reflection access + // public void testCompareAndSetProtectedInSubclass() { + // AtomicIntegerFieldUpdaterTestSubclass s = + // new AtomicIntegerFieldUpdaterTestSubclass(); + // s.checkCompareAndSetProtectedSub(); + // } + + /** * compareAndSet in one thread enables another waiting for value * to succeed */ |