undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
This commit is contained in:
commit
0a580b313d
70422 changed files with 17213626 additions and 0 deletions
188
test/jdk/java/util/concurrent/tck/TimeUnit8Test.java
Normal file
188
test/jdk/java/util/concurrent/tck/TimeUnit8Test.java
Normal file
|
|
@ -0,0 +1,188 @@
|
|||
/*
|
||||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License version 2 only, as
|
||||
* published by the Free Software Foundation.
|
||||
*
|
||||
* This code is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
* version 2 for more details (a copy is included in the LICENSE file that
|
||||
* accompanied this code).
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License version
|
||||
* 2 along with this work; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
||||
* or visit www.oracle.com if you need additional information or have any
|
||||
* questions.
|
||||
*/
|
||||
|
||||
/*
|
||||
* This file is available under and governed by the GNU General Public
|
||||
* License version 2 only, as published by the Free Software Foundation.
|
||||
* However, the following notice accompanied the original version of this
|
||||
* file:
|
||||
*
|
||||
* Written by Doug Lea and Martin Buchholz with assistance from
|
||||
* members of JCP JSR-166 Expert Group and released to the public
|
||||
* domain, as explained at
|
||||
* http://creativecommons.org/publicdomain/zero/1.0/
|
||||
*/
|
||||
|
||||
import static java.util.concurrent.TimeUnit.DAYS;
|
||||
import static java.util.concurrent.TimeUnit.HOURS;
|
||||
import static java.util.concurrent.TimeUnit.MICROSECONDS;
|
||||
import static java.util.concurrent.TimeUnit.MILLISECONDS;
|
||||
import static java.util.concurrent.TimeUnit.MINUTES;
|
||||
import static java.util.concurrent.TimeUnit.NANOSECONDS;
|
||||
import static java.util.concurrent.TimeUnit.SECONDS;
|
||||
|
||||
import java.time.Duration;
|
||||
import java.time.temporal.ChronoUnit;
|
||||
import java.util.Arrays;
|
||||
import java.util.concurrent.ThreadLocalRandom;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import java.util.stream.LongStream;
|
||||
|
||||
import junit.framework.Test;
|
||||
import junit.framework.TestSuite;
|
||||
|
||||
public class TimeUnit8Test extends JSR166TestCase {
|
||||
public static void main(String[] args) {
|
||||
main(suite(), args);
|
||||
}
|
||||
|
||||
public static Test suite() {
|
||||
return new TestSuite(TimeUnit8Test.class);
|
||||
}
|
||||
|
||||
/**
|
||||
* tests for toChronoUnit.
|
||||
*/
|
||||
public void testToChronoUnit() throws Exception {
|
||||
assertSame(ChronoUnit.NANOS, NANOSECONDS.toChronoUnit());
|
||||
assertSame(ChronoUnit.MICROS, MICROSECONDS.toChronoUnit());
|
||||
assertSame(ChronoUnit.MILLIS, MILLISECONDS.toChronoUnit());
|
||||
assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit());
|
||||
assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit());
|
||||
assertSame(ChronoUnit.HOURS, HOURS.toChronoUnit());
|
||||
assertSame(ChronoUnit.DAYS, DAYS.toChronoUnit());
|
||||
|
||||
// Every TimeUnit has a defined ChronoUnit equivalent
|
||||
for (TimeUnit x : TimeUnit.values())
|
||||
assertSame(x, TimeUnit.of(x.toChronoUnit()));
|
||||
}
|
||||
|
||||
/**
|
||||
* tests for TimeUnit.of(ChronoUnit).
|
||||
*/
|
||||
public void testTimeUnitOf() throws Exception {
|
||||
assertSame(NANOSECONDS, TimeUnit.of(ChronoUnit.NANOS));
|
||||
assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS));
|
||||
assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS));
|
||||
assertSame(SECONDS, TimeUnit.of(ChronoUnit.SECONDS));
|
||||
assertSame(MINUTES, TimeUnit.of(ChronoUnit.MINUTES));
|
||||
assertSame(HOURS, TimeUnit.of(ChronoUnit.HOURS));
|
||||
assertSame(DAYS, TimeUnit.of(ChronoUnit.DAYS));
|
||||
|
||||
assertThrows(NullPointerException.class,
|
||||
() -> TimeUnit.of((ChronoUnit)null));
|
||||
|
||||
// ChronoUnits either round trip to their TimeUnit
|
||||
// equivalents, or throw IllegalArgumentException.
|
||||
for (ChronoUnit cu : ChronoUnit.values()) {
|
||||
final TimeUnit tu;
|
||||
try {
|
||||
tu = TimeUnit.of(cu);
|
||||
} catch (IllegalArgumentException acceptable) {
|
||||
continue;
|
||||
}
|
||||
assertSame(cu, tu.toChronoUnit());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* convert(Duration) roundtrips with Duration.ofXXXX and Duration.of(long, ChronoUnit)
|
||||
*/
|
||||
public void testConvertDuration_roundtripDurationOf() {
|
||||
long n = ThreadLocalRandom.current().nextLong();
|
||||
|
||||
assertEquals(n, NANOSECONDS.convert(Duration.ofNanos(n)));
|
||||
assertEquals(n, NANOSECONDS.convert(Duration.of(n, ChronoUnit.NANOS)));
|
||||
assertEquals(n, MILLISECONDS.convert(Duration.ofMillis(n)));
|
||||
assertEquals(n, MILLISECONDS.convert(Duration.of(n, ChronoUnit.MILLIS)));
|
||||
assertEquals(n, SECONDS.convert(Duration.ofSeconds(n)));
|
||||
assertEquals(n, SECONDS.convert(Duration.of(n, ChronoUnit.SECONDS)));
|
||||
n /= 60;
|
||||
assertEquals(n, MINUTES.convert(Duration.ofMinutes(n)));
|
||||
assertEquals(n, MINUTES.convert(Duration.of(n, ChronoUnit.MINUTES)));
|
||||
n /= 60;
|
||||
assertEquals(n, HOURS.convert(Duration.ofHours(n)));
|
||||
assertEquals(n, HOURS.convert(Duration.of(n, ChronoUnit.HOURS)));
|
||||
n /= 24;
|
||||
assertEquals(n, DAYS.convert(Duration.ofDays(n)));
|
||||
assertEquals(n, DAYS.convert(Duration.of(n, ChronoUnit.DAYS)));
|
||||
}
|
||||
|
||||
/**
|
||||
* convert(Duration.ofNanos(n)) agrees with convert(n, NANOSECONDS)
|
||||
*/
|
||||
public void testConvertDuration_roundtripDurationOfNanos() {
|
||||
// Test values near unit transitions and near overflow.
|
||||
LongStream.concat(
|
||||
Arrays.stream(TimeUnit.values()).mapToLong(u -> u.toNanos(1)),
|
||||
LongStream.of(Long.MAX_VALUE, Long.MIN_VALUE))
|
||||
.flatMap(n -> LongStream.of(n, n + 1, n - 1))
|
||||
.flatMap(n -> LongStream.of(n, n + 1_000_000_000, n - 1_000_000_000))
|
||||
.flatMap(n -> LongStream.of(n, -n))
|
||||
// .peek(System.err::println)
|
||||
.forEach(n -> Arrays.stream(TimeUnit.values()).forEach(
|
||||
u -> assertEquals(u.convert(n, NANOSECONDS),
|
||||
u.convert(Duration.ofNanos(n)))));
|
||||
}
|
||||
|
||||
/**
|
||||
* convert(Duration) doesn't misbehave near Long.MAX_VALUE and Long.MIN_VALUE.
|
||||
*/
|
||||
public void testConvertDuration_nearOverflow() {
|
||||
ChronoUnit NANOS = ChronoUnit.NANOS;
|
||||
Duration maxDuration = Duration.ofSeconds(Long.MAX_VALUE, 999_999_999);
|
||||
Duration minDuration = Duration.ofSeconds(Long.MIN_VALUE, 0);
|
||||
|
||||
for (TimeUnit u : TimeUnit.values()) {
|
||||
ChronoUnit cu = u.toChronoUnit();
|
||||
long r;
|
||||
if (u.toNanos(1) > SECONDS.toNanos(1)) {
|
||||
r = u.toNanos(1) / SECONDS.toNanos(1);
|
||||
|
||||
assertThrows(ArithmeticException.class,
|
||||
() -> Duration.of(Long.MAX_VALUE, cu),
|
||||
() -> Duration.of(Long.MIN_VALUE, cu));
|
||||
} else {
|
||||
r = 1;
|
||||
|
||||
Duration max = Duration.of(Long.MAX_VALUE, cu);
|
||||
Duration min = Duration.of(Long.MIN_VALUE, cu);
|
||||
assertEquals(Long.MAX_VALUE, u.convert(max));
|
||||
assertEquals(Long.MAX_VALUE - 1, u.convert(max.minus(1, NANOS)));
|
||||
assertEquals(Long.MAX_VALUE - 1, u.convert(max.minus(1, cu)));
|
||||
assertEquals(Long.MIN_VALUE, u.convert(min));
|
||||
assertEquals(Long.MIN_VALUE + 1, u.convert(min.plus(1, NANOS)));
|
||||
assertEquals(Long.MIN_VALUE + 1, u.convert(min.plus(1, cu)));
|
||||
assertEquals(Long.MAX_VALUE, u.convert(max.plus(1, NANOS)));
|
||||
if (u != SECONDS) {
|
||||
assertEquals(Long.MAX_VALUE, u.convert(max.plus(1, cu)));
|
||||
assertEquals(Long.MIN_VALUE, u.convert(min.minus(1, NANOS)));
|
||||
assertEquals(Long.MIN_VALUE, u.convert(min.minus(1, cu)));
|
||||
}
|
||||
}
|
||||
|
||||
assertEquals(Long.MAX_VALUE / r, u.convert(maxDuration));
|
||||
assertEquals(Long.MIN_VALUE / r, u.convert(minDuration));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue