78 lines
2.6 KiB
Java
78 lines
2.6 KiB
Java
/*
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* Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/* @test
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* @summary test JNI critical arrays support in Shenandoah
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* @key randomness
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* @requires vm.gc.Shenandoah
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* @library /test/lib
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*
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+ShenandoahVerify TestJNICritical
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* @run main/othervm/native -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive TestJNICritical
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*/
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import java.util.Arrays;
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import java.util.Random;
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import jdk.test.lib.Utils;
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public class TestJNICritical {
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static {
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System.loadLibrary("TestJNICritical");
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}
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private static final int NUM_RUNS = 10000;
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private static final int ARRAY_SIZE = 10000;
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private static int[] a;
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private static int[] b;
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private static native void copyAtoB(int[] a, int[] b);
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public static void main(String[] args) {
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a = new int[ARRAY_SIZE];
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b = new int[ARRAY_SIZE];
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for (int i = 0; i < NUM_RUNS; i++) {
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test();
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}
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}
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private static void test() {
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int[] a1 = new int[ARRAY_SIZE];
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int[] b1 = new int[ARRAY_SIZE];
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fillArray(a);
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copyAtoB(a, b);
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copyAtoB(a1, b1); // Don't optimize out garbage arrays.
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if (!Arrays.equals(a, b)) {
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throw new RuntimeException("arrays not equal");
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}
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}
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private static void fillArray(int[] array) {
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Random r = Utils.getRandomInstance();
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for (int i = 0; i < ARRAY_SIZE; i++) {
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int val = (int) (r.nextDouble() * Integer.MAX_VALUE);
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array[i] = val;
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}
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}
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}
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