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8357808: Add a command line option for specifying a counter in TestRandomFloatingDecimal

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Reviewed-by: liach
This commit is contained in:
Raffaello Giulietti 2025-05-28 08:13:02 +00:00
parent 1d57ff8ad4
commit efeb050e00
1 changed files with 25 additions and 7 deletions
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32
test/jdk/jdk/internal/math/FloatingDecimal/TestRandomFloatingDecimal.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -24,7 +24,8 @@
/*
* @test
* @bug 8345403
* @summary FloatingDecimal parsing methods (use -Dseed=X to set seed)
* @summary FloatingDecimal parsing methods (use -Dseed=X to set seed,
* use -Dsamples=N to set the number of random samples per test)
* @modules java.base/jdk.internal.math
* @library /test/lib
* @build jdk.test.lib.RandomFactory
@ -34,6 +35,7 @@
import jdk.internal.math.FloatingDecimal;
import jdk.test.lib.RandomFactory;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
@ -55,24 +57,40 @@ public class TestRandomFloatingDecimal {
* Hence, the expected values are those computed by BigDecimal,
* while the actual values are those returned by FloatingDecimal.
*/
private static final int COUNT = 10_000; // random samples per test
private static final Random RANDOM = RandomFactory.getRandom();
private static int samples; // random samples per test
static Stream<Args> testRandomDecForFloat() {
return Stream.generate(() -> randomDec(false)).limit(COUNT);
return Stream.generate(() -> randomDec(false)).limit(samples);
}
static Stream<Args> testRandomDecForDouble() {
return Stream.generate(() -> randomDec(true)).limit(COUNT);
return Stream.generate(() -> randomDec(true)).limit(samples);
}
static Stream<Args> testRandomHexForFloat() {
return Stream.generate(() -> randomHex(false)).limit(COUNT);
return Stream.generate(() -> randomHex(false)).limit(samples);
}
static Stream<Args> testRandomHexForDouble() {
return Stream.generate(() -> randomHex(true)).limit(COUNT);
return Stream.generate(() -> randomHex(true)).limit(samples);
}
private static final String SAMPLES_PROP = "samples";
@BeforeAll
static void setCount() {
String prop = System.getProperty(SAMPLES_PROP, "10000"); // 10_000
try {
samples = Integer.parseInt(prop);
if (samples <= 0) {
throw new NumberFormatException();
}
} catch (NumberFormatException _) {
throw new IllegalArgumentException("-D" + SAMPLES_PROP + "=" + prop + " must specify a valid positive decimal integer.");
}
}
@ParameterizedTest