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root/jsr166/jsr166/src/test/tck/AtomicLongFieldUpdaterTest.java

Comparing jsr166/src/test/tck/AtomicLongFieldUpdaterTest.java (file contents):
Revision 1.15 by jsr166, Sat Nov 21 02:07:26 2009 UTC vs.
Revision 1.21 by jsr166, Tue May 31 16:16:23 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import java.util.concurrent.atomic.*;
9		import junit.framework.*;
10	<	import java.util.*;
10	>	import java.util.concurrent.atomic.AtomicLongFieldUpdater;
11
12		public class AtomicLongFieldUpdaterTest extends JSR166TestCase {
13		volatile long x = 0;
#	Line 31 | Line 30 | public class AtomicLongFieldUpdaterTest
30		a = AtomicLongFieldUpdater.newUpdater
31		(AtomicLongFieldUpdaterTest.class, "y");
32		shouldThrow();
33	<	}
35	<	catch (RuntimeException rt) {}
33	>	} catch (RuntimeException success) {}
34		}
35
36		/**
#	Line 44 | Line 42 | public class AtomicLongFieldUpdaterTest
42		a = AtomicLongFieldUpdater.newUpdater
43		(AtomicLongFieldUpdaterTest.class, "z");
44		shouldThrow();
45	<	}
48	<	catch (RuntimeException rt) {}
45	>	} catch (RuntimeException success) {}
46		}
47
48		/**
#	Line 57 | Line 54 | public class AtomicLongFieldUpdaterTest
54		a = AtomicLongFieldUpdater.newUpdater
55		(AtomicLongFieldUpdaterTest.class, "w");
56		shouldThrow();
57	<	}
61	<
62	<	catch (RuntimeException rt) {}
57	>	} catch (RuntimeException success) {}
58		}
59
60		/**
61	<	*  get returns the last value set or assigned
61	>	* get returns the last value set or assigned
62		*/
63		public void testGetSet() {
64		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
#	Line 81 | Line 76 | public class AtomicLongFieldUpdaterTest
76		}
77
78		/**
79	<	*  get returns the last value lazySet by same thread
79	>	* get returns the last value lazySet by same thread
80		*/
81		public void testGetLazySet() {
82		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
#	Line 98 | Line 93 | public class AtomicLongFieldUpdaterTest
93		assertEquals(-3,a.get(this));
94		}
95
101	–
96		/**
97		* compareAndSet succeeds in changing value if equal to expected else fails
98		*/
#	Line 114 | Line 108 | public class AtomicLongFieldUpdaterTest
108		assertTrue(a.compareAndSet(this,2,-4));
109		assertEquals(-4,a.get(this));
110		assertFalse(a.compareAndSet(this,-5,7));
111	<	assertFalse((7 == a.get(this)));
111	>	assertEquals(-4,a.get(this));
112		assertTrue(a.compareAndSet(this,-4,7));
113		assertEquals(7,a.get(this));
114		}
115
122	–
116		/**
117		* compareAndSet in one thread enables another waiting for value
118		* to succeed
#	Line 166 | Line 159 | public class AtomicLongFieldUpdaterTest
159		}
160
161		/**
162	<	*  getAndSet returns previous value and sets to given value
162	>	* getAndSet returns previous value and sets to given value
163		*/
164		public void testGetAndSet() {
165		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;
#	Line 252 | Line 245 | public class AtomicLongFieldUpdaterTest
245		}
246
247		/**
248	<	*  decrementAndGet decrements and returns current value
248	>	* decrementAndGet decrements and returns current value
249		*/
250		public void testDecrementAndGet() {
251		AtomicLongFieldUpdater<AtomicLongFieldUpdaterTest> a;

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