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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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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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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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import junit.framework.*; |
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} |
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/** |
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* default constructed intializes to zero |
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* default constructed initializes to zero |
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*/ |
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public void testConstructor2(){ |
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AtomicInteger ai = new AtomicInteger(); |
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assertEquals(2,ai.get()); |
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ai.set(-3); |
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assertEquals(-3,ai.get()); |
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|
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} |
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|
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/** |
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* get returns the last value lazySet in same thread |
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*/ |
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public void testGetLazySet(){ |
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AtomicInteger ai = new AtomicInteger(1); |
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assertEquals(1,ai.get()); |
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ai.lazySet(2); |
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assertEquals(2,ai.get()); |
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ai.lazySet(-3); |
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assertEquals(-3,ai.get()); |
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|
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} |
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/** |
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* compareAndSet succeeds in changing value if equal to expected else fails |
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/** |
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* repeated weakCompareAndSet succeeds in changing value when equal |
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* to expected |
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* to expected |
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*/ |
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public void testWeakCompareAndSet(){ |
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AtomicInteger ai = new AtomicInteger(1); |
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} |
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} |
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/** |
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* toString returns current value. |
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*/ |
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public void testToString() { |
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AtomicInteger ai = new AtomicInteger(); |
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for (int i = -12; i < 6; ++i) { |
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ai.set(i); |
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assertEquals(ai.toString(), Integer.toString(i)); |
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} |
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} |
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|
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/** |
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* intValue returns current value. |
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*/ |
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public void testIntValue() { |
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AtomicInteger ai = new AtomicInteger(); |
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for (int i = -12; i < 6; ++i) { |
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ai.set(i); |
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assertEquals(i, ai.intValue()); |
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} |
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} |
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|
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|
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/** |
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* longValue returns current value. |
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*/ |
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public void testLongValue() { |
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AtomicInteger ai = new AtomicInteger(); |
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for (int i = -12; i < 6; ++i) { |
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ai.set(i); |
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assertEquals((long)i, ai.longValue()); |
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} |
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} |
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|
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/** |
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* floatValue returns current value. |
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*/ |
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public void testFloatValue() { |
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AtomicInteger ai = new AtomicInteger(); |
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for (int i = -12; i < 6; ++i) { |
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ai.set(i); |
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assertEquals((float)i, ai.floatValue()); |
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} |
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} |
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|
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/** |
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* doubleValue returns current value. |
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*/ |
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public void testDoubleValue() { |
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AtomicInteger ai = new AtomicInteger(); |
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for (int i = -12; i < 6; ++i) { |
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ai.set(i); |
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assertEquals((double)i, ai.doubleValue()); |
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} |
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} |
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|
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} |