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Comparing jsr166/src/test/tck/AtomicIntegerFieldUpdaterTest.java (file contents):
Revision 1.13 by jsr166, Tue Nov 17 03:12:51 2009 UTC vs.
Revision 1.20 by jsr166, Fri May 27 19:39:07 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		*/
#	Line 30 | Line 30 | public class AtomicIntegerFieldUpdaterTe
30		a = AtomicIntegerFieldUpdater.newUpdater
31		(AtomicIntegerFieldUpdaterTest.class, "y");
32		shouldThrow();
33	<	}
34	<	catch (RuntimeException rt) {}
33	>	} catch (RuntimeException success) {}
34		}
35
36		/**
#	Line 43 | Line 42 | public class AtomicIntegerFieldUpdaterTe
42		a = AtomicIntegerFieldUpdater.newUpdater
43		(AtomicIntegerFieldUpdaterTest.class, "z");
44		shouldThrow();
45	<	}
47	<	catch (RuntimeException rt) {}
45	>	} catch (RuntimeException success) {}
46		}
47
48		/**
#	Line 56 | Line 54 | public class AtomicIntegerFieldUpdaterTe
54		a = AtomicIntegerFieldUpdater.newUpdater
55		(AtomicIntegerFieldUpdaterTest.class, "w");
56		shouldThrow();
57	<	}
60	<	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		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
#	Line 71 | Line 68 | public class AtomicIntegerFieldUpdaterTe
68		return;
69		}
70		x = 1;
71	<	assertEquals(1,a.get(this));
72	<	a.set(this,2);
73	<	assertEquals(2,a.get(this));
74	<	a.set(this,-3);
75	<	assertEquals(-3,a.get(this));
79	<
71	>	assertEquals(1,a.get(this));
72	>	a.set(this,2);
73	>	assertEquals(2,a.get(this));
74	>	a.set(this,-3);
75	>	assertEquals(-3,a.get(this));
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		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
#	Line 90 | Line 86 | public class AtomicIntegerFieldUpdaterTe
86		return;
87		}
88		x = 1;
89	<	assertEquals(1,a.get(this));
90	<	a.lazySet(this,2);
91	<	assertEquals(2,a.get(this));
92	<	a.lazySet(this,-3);
93	<	assertEquals(-3,a.get(this));
98	<
89	>	assertEquals(1,a.get(this));
90	>	a.lazySet(this,2);
91	>	assertEquals(2,a.get(this));
92	>	a.lazySet(this,-3);
93	>	assertEquals(-3,a.get(this));
94		}
95
96		/**
#	Line 109 | Line 104 | public class AtomicIntegerFieldUpdaterTe
104		return;
105		}
106		x = 1;
107	<	assertTrue(a.compareAndSet(this,1,2));
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)));
112	<	assertTrue(a.compareAndSet(this,-4,7));
113	<	assertEquals(7,a.get(this));
107	>	assertTrue(a.compareAndSet(this,1,2));
108	>	assertTrue(a.compareAndSet(this,2,-4));
109	>	assertEquals(-4,a.get(this));
110	>	assertFalse(a.compareAndSet(this,-5,7));
111	>	assertEquals(-4,a.get(this));
112	>	assertTrue(a.compareAndSet(this,-4,7));
113	>	assertEquals(7,a.get(this));
114		}
115
121	–
116		/**
117		* compareAndSet in one thread enables another waiting for value
118		* to succeed
#	Line 132 | Line 126 | public class AtomicIntegerFieldUpdaterTe
126		return;
127		}
128
129	<	Thread t = new Thread(new Runnable() {
130	<	public void run() {
131	<	while (!a.compareAndSet(AtomicIntegerFieldUpdaterTest.this, 2, 3)) Thread.yield();
132	<	}});
129	>	Thread t = new Thread(new CheckedRunnable() {
130	>	public void realRun() {
131	>	while (!a.compareAndSet(AtomicIntegerFieldUpdaterTest.this, 2, 3))
132	>	Thread.yield();
133	>	}});
134
135		t.start();
136		assertTrue(a.compareAndSet(this, 1, 2));
#	Line 156 | Line 151 | public class AtomicIntegerFieldUpdaterTe
151		return;
152		}
153		x = 1;
154	<	while (!a.weakCompareAndSet(this,1,2));
155	<	while (!a.weakCompareAndSet(this,2,-4));
156	<	assertEquals(-4,a.get(this));
157	<	while (!a.weakCompareAndSet(this,-4,7));
158	<	assertEquals(7,a.get(this));
154	>	while (!a.weakCompareAndSet(this,1,2));
155	>	while (!a.weakCompareAndSet(this,2,-4));
156	>	assertEquals(-4,a.get(this));
157	>	while (!a.weakCompareAndSet(this,-4,7));
158	>	assertEquals(7,a.get(this));
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		AtomicIntegerFieldUpdater<AtomicIntegerFieldUpdaterTest> a;
#	Line 174 | Line 169 | public class AtomicIntegerFieldUpdaterTe
169		return;
170		}
171		x = 1;
172	<	assertEquals(1,a.getAndSet(this, 0));
173	<	assertEquals(0,a.getAndSet(this,-10));
174	<	assertEquals(-10,a.getAndSet(this,1));
172	>	assertEquals(1,a.getAndSet(this, 0));
173	>	assertEquals(0,a.getAndSet(this,-10));
174	>	assertEquals(-10,a.getAndSet(this,1));
175		}
176
177		/**
#	Line 190 | Line 185 | public class AtomicIntegerFieldUpdaterTe
185		return;
186		}
187		x = 1;
188	<	assertEquals(1,a.getAndAdd(this,2));
189	<	assertEquals(3,a.get(this));
190	<	assertEquals(3,a.getAndAdd(this,-4));
191	<	assertEquals(-1,a.get(this));
188	>	assertEquals(1,a.getAndAdd(this,2));
189	>	assertEquals(3,a.get(this));
190	>	assertEquals(3,a.getAndAdd(this,-4));
191	>	assertEquals(-1,a.get(this));
192		}
193
194		/**
#	Line 207 | Line 202 | public class AtomicIntegerFieldUpdaterTe
202		return;
203		}
204		x = 1;
205	<	assertEquals(1,a.getAndDecrement(this));
206	<	assertEquals(0,a.getAndDecrement(this));
207	<	assertEquals(-1,a.getAndDecrement(this));
205	>	assertEquals(1,a.getAndDecrement(this));
206	>	assertEquals(0,a.getAndDecrement(this));
207	>	assertEquals(-1,a.getAndDecrement(this));
208		}
209
210		/**
#	Line 223 | Line 218 | public class AtomicIntegerFieldUpdaterTe
218		return;
219		}
220		x = 1;
221	<	assertEquals(1,a.getAndIncrement(this));
222	<	assertEquals(2,a.get(this));
223	<	a.set(this,-2);
224	<	assertEquals(-2,a.getAndIncrement(this));
225	<	assertEquals(-1,a.getAndIncrement(this));
226	<	assertEquals(0,a.getAndIncrement(this));
227	<	assertEquals(1,a.get(this));
221	>	assertEquals(1,a.getAndIncrement(this));
222	>	assertEquals(2,a.get(this));
223	>	a.set(this,-2);
224	>	assertEquals(-2,a.getAndIncrement(this));
225	>	assertEquals(-1,a.getAndIncrement(this));
226	>	assertEquals(0,a.getAndIncrement(this));
227	>	assertEquals(1,a.get(this));
228		}
229
230		/**
#	Line 243 | Line 238 | public class AtomicIntegerFieldUpdaterTe
238		return;
239		}
240		x = 1;
241	<	assertEquals(3,a.addAndGet(this,2));
242	<	assertEquals(3,a.get(this));
243	<	assertEquals(-1,a.addAndGet(this,-4));
244	<	assertEquals(-1,a.get(this));
241	>	assertEquals(3,a.addAndGet(this,2));
242	>	assertEquals(3,a.get(this));
243	>	assertEquals(-1,a.addAndGet(this,-4));
244	>	assertEquals(-1,a.get(this));
245		}
246
247		/**
#	Line 260 | Line 255 | public class AtomicIntegerFieldUpdaterTe
255		return;
256		}
257		x = 1;
258	<	assertEquals(0,a.decrementAndGet(this));
259	<	assertEquals(-1,a.decrementAndGet(this));
260	<	assertEquals(-2,a.decrementAndGet(this));
261	<	assertEquals(-2,a.get(this));
258	>	assertEquals(0,a.decrementAndGet(this));
259	>	assertEquals(-1,a.decrementAndGet(this));
260	>	assertEquals(-2,a.decrementAndGet(this));
261	>	assertEquals(-2,a.get(this));
262		}
263
264		/**
#	Line 277 | Line 272 | public class AtomicIntegerFieldUpdaterTe
272		return;
273		}
274		x = 1;
275	<	assertEquals(2,a.incrementAndGet(this));
276	<	assertEquals(2,a.get(this));
277	<	a.set(this,-2);
278	<	assertEquals(-1,a.incrementAndGet(this));
279	<	assertEquals(0,a.incrementAndGet(this));
280	<	assertEquals(1,a.incrementAndGet(this));
281	<	assertEquals(1,a.get(this));
275	>	assertEquals(2,a.incrementAndGet(this));
276	>	assertEquals(2,a.get(this));
277	>	a.set(this,-2);
278	>	assertEquals(-1,a.incrementAndGet(this));
279	>	assertEquals(0,a.incrementAndGet(this));
280	>	assertEquals(1,a.incrementAndGet(this));
281	>	assertEquals(1,a.get(this));
282		}
283
284		}

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