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

Comparing jsr166/src/test/tck/DoubleAccumulatorTest.java (file contents):
Revision 1.2 by jsr166, Fri Mar 22 16:10:19 2013 UTC vs.
Revision 1.6 by jsr166, Sun Apr 23 03:03:16 2017 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
8	<	import java.util.concurrent.*;
7	>	import java.util.concurrent.Executors;
8	>	import java.util.concurrent.ExecutorService;
9	>	import java.util.concurrent.Phaser;
10		import java.util.concurrent.atomic.DoubleAccumulator;
11
12	+	import junit.framework.Test;
13	+	import junit.framework.TestSuite;
14	+
15		public class DoubleAccumulatorTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run(suite());
17	>	main(suite(), args);
18		}
19		public static Test suite() {
20		return new TestSuite(DoubleAccumulatorTest.class);
21		}
22
23		/**
24	<	* default constructed initializes to zero
24	>	* new instance initialized to supplied identity
25		*/
26		public void testConstructor() {
27	<	DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0);
28	<	assertEquals(0.0, ai.get());
27	>	for (double identity : new double[] {
28	>	Double.NEGATIVE_INFINITY,
29	>	Double.POSITIVE_INFINITY,
30	>	Double.MIN_VALUE,
31	>	Double.MAX_VALUE,
32	>	0.0,
33	>	})
34	>	assertEquals(identity,
35	>	new DoubleAccumulator(Double::max, identity).get());
36		}
37
38		/**
#	Line 38 | Line 49 | public class DoubleAccumulatorTest exten
49		}
50
51		/**
52	<	* reset zeroes get
52	>	* reset() causes subsequent get() to return zero
53		*/
54		public void testReset() {
55		DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0);
#	Line 49 | Line 60 | public class DoubleAccumulatorTest exten
60		}
61
62		/**
63	<	* getThenReset returns get then zeros
63	>	* getThenReset() returns current value; subsequent get() returns zero
64		*/
65		public void testGetThenReset() {
66		DoubleAccumulator ai = new DoubleAccumulator(Double::max, 0.0);

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