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* Expert Group and released to the public domain, as explained at |
| 4 |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
| 6 |
< |
import junit.framework.*; |
| 7 |
< |
import java.util.*; |
| 6 |
> |
|
| 7 |
|
import java.util.concurrent.ThreadLocalRandom; |
| 8 |
|
import java.util.concurrent.atomic.AtomicInteger; |
| 9 |
|
import java.util.concurrent.atomic.LongAdder; |
| 10 |
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|
| 11 |
+ |
import junit.framework.Test; |
| 12 |
+ |
import junit.framework.TestSuite; |
| 13 |
+ |
|
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|
public class ThreadLocalRandom8Test extends JSR166TestCase { |
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|
|
| 16 |
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public static void main(String[] args) { |
| 17 |
< |
junit.textui.TestRunner.run(suite()); |
| 17 |
> |
main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(ThreadLocalRandom8Test.class); |
| 36 |
|
*/ |
| 37 |
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public void testBadStreamSize() { |
| 38 |
|
ThreadLocalRandom r = ThreadLocalRandom.current(); |
| 39 |
< |
try { |
| 40 |
< |
java.util.stream.IntStream x = r.ints(-1L); |
| 41 |
< |
shouldThrow(); |
| 42 |
< |
} catch (IllegalArgumentException success) {} |
| 43 |
< |
try { |
| 44 |
< |
java.util.stream.IntStream x = r.ints(-1L, 2, 3); |
| 45 |
< |
shouldThrow(); |
| 46 |
< |
} catch (IllegalArgumentException success) {} |
| 47 |
< |
try { |
| 46 |
< |
java.util.stream.LongStream x = r.longs(-1L); |
| 47 |
< |
shouldThrow(); |
| 48 |
< |
} catch (IllegalArgumentException success) {} |
| 49 |
< |
try { |
| 50 |
< |
java.util.stream.LongStream x = r.longs(-1L, -1L, 1L); |
| 51 |
< |
shouldThrow(); |
| 52 |
< |
} catch (IllegalArgumentException success) {} |
| 53 |
< |
try { |
| 54 |
< |
java.util.stream.DoubleStream x = r.doubles(-1L); |
| 55 |
< |
shouldThrow(); |
| 56 |
< |
} catch (IllegalArgumentException success) {} |
| 57 |
< |
try { |
| 58 |
< |
java.util.stream.DoubleStream x = r.doubles(-1L, .5, .6); |
| 59 |
< |
shouldThrow(); |
| 60 |
< |
} catch (IllegalArgumentException success) {} |
| 39 |
> |
Runnable[] throwingActions = { |
| 40 |
> |
() -> r.ints(-1L), |
| 41 |
> |
() -> r.ints(-1L, 2, 3), |
| 42 |
> |
() -> r.longs(-1L), |
| 43 |
> |
() -> r.longs(-1L, -1L, 1L), |
| 44 |
> |
() -> r.doubles(-1L), |
| 45 |
> |
() -> r.doubles(-1L, .5, .6), |
| 46 |
> |
}; |
| 47 |
> |
assertThrows(IllegalArgumentException.class, throwingActions); |
| 48 |
|
} |
| 49 |
|
|
| 50 |
|
/** |
| 53 |
|
*/ |
| 54 |
|
public void testBadStreamBounds() { |
| 55 |
|
ThreadLocalRandom r = ThreadLocalRandom.current(); |
| 56 |
< |
try { |
| 57 |
< |
java.util.stream.IntStream x = r.ints(2, 1); |
| 58 |
< |
shouldThrow(); |
| 59 |
< |
} catch (IllegalArgumentException success) {} |
| 60 |
< |
try { |
| 61 |
< |
java.util.stream.IntStream x = r.ints(10, 42, 42); |
| 62 |
< |
shouldThrow(); |
| 63 |
< |
} catch (IllegalArgumentException success) {} |
| 64 |
< |
try { |
| 78 |
< |
java.util.stream.LongStream x = r.longs(-1L, -1L); |
| 79 |
< |
shouldThrow(); |
| 80 |
< |
} catch (IllegalArgumentException success) {} |
| 81 |
< |
try { |
| 82 |
< |
java.util.stream.LongStream x = r.longs(10, 1L, -2L); |
| 83 |
< |
shouldThrow(); |
| 84 |
< |
} catch (IllegalArgumentException success) {} |
| 85 |
< |
try { |
| 86 |
< |
java.util.stream.DoubleStream x = r.doubles(0.0, 0.0); |
| 87 |
< |
shouldThrow(); |
| 88 |
< |
} catch (IllegalArgumentException success) {} |
| 89 |
< |
try { |
| 90 |
< |
java.util.stream.DoubleStream x = r.doubles(10, .5, .4); |
| 91 |
< |
shouldThrow(); |
| 92 |
< |
} catch (IllegalArgumentException success) {} |
| 56 |
> |
Runnable[] throwingActions = { |
| 57 |
> |
() -> r.ints(2, 1), |
| 58 |
> |
() -> r.ints(10, 42, 42), |
| 59 |
> |
() -> r.longs(-1L, -1L), |
| 60 |
> |
() -> r.longs(10, 1L, -2L), |
| 61 |
> |
() -> r.doubles(0.0, 0.0), |
| 62 |
> |
() -> r.doubles(10, .5, .4), |
| 63 |
> |
}; |
| 64 |
> |
assertThrows(IllegalArgumentException.class, throwingActions); |
| 65 |
|
} |
| 66 |
|
|
| 67 |
|
/** |
| 119 |
|
for (int least = -15485867; least < MAX_INT_BOUND; least += 524959) { |
| 120 |
|
for (int bound = least + 2; bound > least && bound < MAX_INT_BOUND; bound += 67867967) { |
| 121 |
|
final int lo = least, hi = bound; |
| 122 |
< |
r.ints(size, lo, hi).parallel(). |
| 123 |
< |
forEach(x -> {if (x < lo || x >= hi) |
| 124 |
< |
fails.getAndIncrement(); }); |
| 122 |
> |
r.ints(size, lo, hi).parallel().forEach( |
| 123 |
> |
x -> { |
| 124 |
> |
if (x < lo || x >= hi) |
| 125 |
> |
fails.getAndIncrement(); }); |
| 126 |
|
} |
| 127 |
|
} |
| 128 |
|
assertEquals(0, fails.get()); |
| 138 |
|
for (long least = -86028121; least < MAX_LONG_BOUND; least += 1982451653L) { |
| 139 |
|
for (long bound = least + 2; bound > least && bound < MAX_LONG_BOUND; bound += Math.abs(bound * 7919)) { |
| 140 |
|
final long lo = least, hi = bound; |
| 141 |
< |
r.longs(size, lo, hi).parallel(). |
| 142 |
< |
forEach(x -> {if (x < lo || x >= hi) |
| 143 |
< |
fails.getAndIncrement(); }); |
| 141 |
> |
r.longs(size, lo, hi).parallel().forEach( |
| 142 |
> |
x -> { |
| 143 |
> |
if (x < lo || x >= hi) |
| 144 |
> |
fails.getAndIncrement(); }); |
| 145 |
|
} |
| 146 |
|
} |
| 147 |
|
assertEquals(0, fails.get()); |
| 157 |
|
for (double least = 0.00011; least < 1.0e20; least *= 9) { |
| 158 |
|
for (double bound = least * 1.0011; bound < 1.0e20; bound *= 17) { |
| 159 |
|
final double lo = least, hi = bound; |
| 160 |
< |
r.doubles(size, lo, hi).parallel(). |
| 161 |
< |
forEach(x -> {if (x < lo || x >= hi) |
| 162 |
< |
fails.getAndIncrement(); }); |
| 160 |
> |
r.doubles(size, lo, hi).parallel().forEach( |
| 161 |
> |
x -> { |
| 162 |
> |
if (x < lo || x >= hi) |
| 163 |
> |
fails.getAndIncrement(); }); |
| 164 |
|
} |
| 165 |
|
} |
| 166 |
|
assertEquals(0, fails.get()); |
