/* * Copyright (c) 2022, 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 * 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.
*/
/** * Test interrupting Thread.sleep.
*/
@Test publicvoid testInterruptSleep() throws Exception { // schedule current thread to interrupted after 1s Thread targetThread = Thread.currentThread(); Thread wakerThread = newThread(() -> { try { Thread.sleep(1000);
targetThread.interrupt();
} catch (Exception e) {
e.printStackTrace();
}
});
wakerThread.start(); try { Thread.sleep(Duration.ofSeconds(60));
fail();
} catch (InterruptedException e) { // interrupt status should be cleared
assertFalse(Thread.interrupted());
} finally {
wakerThread.interrupt();
}
}
/** * Returns the current time in milliseconds.
*/ privatestaticlong millisTime() { long now = System.nanoTime(); return TimeUnit.MILLISECONDS.convert(now, TimeUnit.NANOSECONDS);
}
/** * Check the duration of a task * @param start start time, in milliseconds * @param min minimum expected duration, in milliseconds * @param max maximum expected duration, in milliseconds * @return the duration (now - start), in milliseconds
*/ privatestaticvoid expectDuration(long start, long min, long max) { long duration = millisTime() - start;
assertTrue(duration >= min, "Duration " + duration + "ms, expected >= " + min + "ms");
assertTrue(duration <= max, "Duration " + duration + "ms, expected <= " + max + "ms");
}
}
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