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8282665: [REDO] ByteBufferTest.java: replace endless recursion with RuntimeException in void ck(double x, double y)

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Reviewed-by: psandoz, thartmann
This commit is contained in:
Emanuel Peter 2022-03-09 08:59:37 +00:00 committed by Tobias Hartmann
parent 31ad80a229
commit d07f7c76c5
1 changed files with 12 additions and 3 deletions
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15
test/hotspot/jtreg/compiler/intrinsics/unsafe/ByteBufferTest.java
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@ -211,13 +211,22 @@ class MyByteBuffer {
void ck(long x, long y) {
if (x != y) {
throw new RuntimeException(" x = " + Long.toHexString(x) + ", y = " + Long.toHexString(y));
throw new RuntimeException("expect x == y: x = " + Long.toHexString(x) + ", y = " + Long.toHexString(y));
}
}
void ck(double x, double y) {
if (x == x && y == y && x != y) {
ck(x, y);
// Check if x and y have identical values.
// Remember: NaN == x is false for ANY x, including if x is NaN (IEEE standard).
// Therefore, if x and y are NaN, x != y would return true, which is not what we want.
// We do not want an Exception if both are NaN.
// Double.compare takes care of these special cases
// including NaNs, and comparing -0.0 to 0.0
if (Double.compare(x,y) != 0) {
throw new RuntimeException("expect x == y:"
+ " x = " + Double.toString(x) + ", y = " + Double.toString(y)
+ " (x = " + Long.toHexString(Double.doubleToRawLongBits(x))
+ ", y = " + Long.toHexString(Double.doubleToRawLongBits(y)) + ")");
}
}