134 lines
4.8 KiB
Java
134 lines
4.8 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. 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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* @bug 8302850
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* @summary Tests that an array clone call that has been compiled with C1
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* handles null values correctly.
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* @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation -XX:TieredStopAtLevel=1
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* -XX:CompileOnly=compiler.c1.TestNullArrayClone::testClone* -XX:+UnlockExperimentalVMOptions
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* compiler.c1.TestNullArrayClone
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*/
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package compiler.c1;
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import java.util.concurrent.ThreadLocalRandom;
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public class TestNullArrayClone {
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static final int ITER = 2000; // ~ Tier3CompileThreshold
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static final int ARRAY_SIZE = 999;
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public static void main(String[] args) {
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testInts();
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testLongs();
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testBytes();
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}
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private static void testInts() {
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final int[] arr = new int[ARRAY_SIZE];
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for (int i = 0; i < arr.length; i++) {
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arr[i] = ThreadLocalRandom.current().nextInt();
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}
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for (int i = 0; i < ITER; i++) {
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int[] result = testClonePrimitiveInt(arr);
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if (result.length != arr.length) {
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throw new RuntimeException("Unexpected clone length: source array length " + arr.length + " != clone array length " + result.length);
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}
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for (int j = 0; j < arr.length; j++) {
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if (result[j] != arr[j]) {
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throw new RuntimeException("Unexpected result: " + result[j] + " != " + j);
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}
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}
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}
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try {
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testClonePrimitiveInt(null);
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throw new RuntimeException("Expected NullPointerException to be thrown");
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} catch (NullPointerException e) {
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}
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}
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private static void testLongs() {
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final long[] arr = new long[ARRAY_SIZE];
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for (int i = 0; i < arr.length; i++) {
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arr[i] = ThreadLocalRandom.current().nextLong();
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}
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for (int i = 0; i < ITER; i++) {
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long[] result = testClonePrimitiveLong(arr);
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if (result.length != arr.length) {
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throw new RuntimeException("Unexpected clone length: source array length " + arr.length + " != clone array length " + result.length);
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}
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for (int j = 0; j < arr.length; j++) {
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if (result[j] != arr[j]) {
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throw new RuntimeException("Unexpected result: " + result[j] + " != " + j);
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}
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}
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}
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try {
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testClonePrimitiveLong(null);
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throw new RuntimeException("Expected NullPointerException to be thrown");
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} catch (NullPointerException e) {
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}
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}
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private static void testBytes() {
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final byte[] arr = new byte[ARRAY_SIZE];
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for (int i = 0; i < arr.length; i++) {
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arr[i] = (byte) ThreadLocalRandom.current().nextInt();
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}
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for (int i = 0; i < ITER; i++) {
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byte[] result = testClonePrimitiveBytes(arr);
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if (result.length != arr.length) {
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throw new RuntimeException("Unexpected clone length: source array length " + arr.length + " != clone array length " + result.length);
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}
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for (int j = 0; j < arr.length; j++) {
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if (result[j] != arr[j]) {
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throw new RuntimeException("Unexpected result: " + result[j] + " != " + j);
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}
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}
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}
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try {
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testClonePrimitiveBytes(null);
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throw new RuntimeException("Expected NullPointerException to be thrown");
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} catch (NullPointerException e) {
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}
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}
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static int[] testClonePrimitiveInt(int[] ints) {
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return ints.clone();
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}
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static long[] testClonePrimitiveLong(long[] longs) {
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return longs.clone();
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}
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static byte[] testClonePrimitiveBytes(byte[] bytes) {
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return bytes.clone();
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}
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}
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