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8155739: [TESTBUG] VarHandles/Unsafe tests for weakCAS should allow spurious failures

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Reviewed-by: psandoz, vlivanov, simonis
This commit is contained in:
Aleksey Shipilev 2016-05-04 17:17:10 +03:00
parent fbac01c4e5
commit a8fb392baf
20 changed files with 84 additions and 156 deletions
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24
hotspot/test/compiler/unsafe/X-UnsafeAccessTest.java.template
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@ -40,6 +40,7 @@ import static org.testng.Assert.*;
public class $Qualifier$UnsafeAccessTest$Type$ {
static final int ITERS = Integer.getInteger("iters", 1);
static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10);
static final $package$.Unsafe UNSAFE;
@ -273,22 +274,31 @@ public class $Qualifier$UnsafeAccessTest$Type$ {
}
{
boolean r = UNSAFE.weakCompareAndSwap$Type$(base, offset, $value1$, $value2$);
assertEquals(r, true, "weakCompareAndSwap $type$");
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = UNSAFE.weakCompareAndSwap$Type$(base, offset, $value1$, $value2$);
}
assertEquals(success, true, "weakCompareAndSwap $type$");
$type$ x = UNSAFE.get$Type$(base, offset);
assertEquals(x, $value2$, "weakCompareAndSwap $type$ value");
}
{
boolean r = UNSAFE.weakCompareAndSwap$Type$Acquire(base, offset, $value2$, $value1$);
assertEquals(r, true, "weakCompareAndSwapAcquire $type$");
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = UNSAFE.weakCompareAndSwap$Type$Acquire(base, offset, $value2$, $value1$);
}
assertEquals(success, true, "weakCompareAndSwapAcquire $type$");
$type$ x = UNSAFE.get$Type$(base, offset);
assertEquals(x, $value1$, "weakCompareAndSwapAcquire $type$");
}
{
boolean r = UNSAFE.weakCompareAndSwap$Type$Release(base, offset, $value1$, $value2$);
assertEquals(r, true, "weakCompareAndSwapRelease $type$");
boolean success = false;
for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
success = UNSAFE.weakCompareAndSwap$Type$Release(base, offset, $value1$, $value2$);
}
assertEquals(success, true, "weakCompareAndSwapRelease $type$");
$type$ x = UNSAFE.get$Type$(base, offset);
assertEquals(x, $value2$, "weakCompareAndSwapRelease $type$");
}
@ -311,7 +321,7 @@ public class $Qualifier$UnsafeAccessTest$Type$ {
$type$ o = UNSAFE.getAndAdd$Type$(base, offset, $value2$);
assertEquals(o, $value1$, "getAndAdd $type$");
$type$ x = UNSAFE.get$Type$(base, offset);
assertEquals(x, $value1$ + $value2$, "weakCompareAndSwapRelease $type$");
assertEquals(x, $value1$ + $value2$, "getAndAdd $type$");
}
#end[AtomicAdd]
}