1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8136421 27 * @requires vm.jvmci 28 * @library / /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules jdk.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run main/othervm compiler.jvmci.compilerToVM.DebugOutputTest 34 */ 35 36 // as soon as CODETOOLS-7901589 fixed, '@run main/othervm' should be replaced w/ '@run driver' 37 38 package compiler.jvmci.compilerToVM; 39 40 import jdk.test.lib.process.OutputAnalyzer; 41 import jdk.test.lib.process.ProcessTools; 42 import jdk.vm.ci.hotspot.CompilerToVMHelper; 43 44 import java.util.Arrays; 45 46 public class DebugOutputTest { 47 public static void main(String[] args) { 48 new DebugOutputTest().test(); 49 } 50 51 private void test() { 52 for (TestCaseData testCase : TestCaseData.values()) { 53 System.out.println(testCase); 54 OutputAnalyzer oa; 55 try { 56 oa = ProcessTools.executeTestJvmAllArgs( 57 "-XX:+UnlockExperimentalVMOptions", 58 "-XX:+EnableJVMCI", 59 "-Xbootclasspath/a:.", 60 DebugOutputTest.Worker.class.getName(), 61 testCase.name()); 62 } catch (Throwable e) { 63 e.printStackTrace(); 64 throw new Error("Problems running child process", e); 65 } 66 if (testCase.expectedException != null) { 67 oa.shouldHaveExitValue(1); 68 oa.shouldContain(testCase.expectedException.getName()); 69 } else { 70 oa.shouldHaveExitValue(0); 71 oa.shouldContain(new String(testCase.getExpected())); 72 } 73 } 74 } 75 76 /** 77 * A list of test cases that are executed in forked VM 78 */ 79 private enum TestCaseData { 80 PART_ARRAY(100, 50), 81 FULL_ARRAY(0, 255), 82 EMPTY(0, 0), 83 NEGATIVE_LENGTH(0, Integer.MIN_VALUE, 84 ArrayIndexOutOfBoundsException.class), 85 NEGATIVE_OFFSET(-1, 255, 86 ArrayIndexOutOfBoundsException.class), 87 LEFT_BOUND(Integer.MIN_VALUE, 100, 88 ArrayIndexOutOfBoundsException.class), 89 RIGHT_BOUND(Integer.MAX_VALUE, 100, 90 ArrayIndexOutOfBoundsException.class), 91 BIG_LENGTH(0, Integer.MAX_VALUE, 92 ArrayIndexOutOfBoundsException.class), 93 NULL_POINTER(0, 0, 94 NullPointerException.class), 95 ; 96 97 private static final int SIZE = 255; 98 private static final byte[] DATA = generate(); 99 public final int offset; 100 public final int length; 101 public final Class<? extends Throwable> expectedException; 102 103 private TestCaseData(int offset, int length, 104 Class<? extends Throwable> expectedException) { 105 this.offset = offset; 106 this.length = length; 107 this.expectedException = expectedException; 108 } 109 110 private TestCaseData(int offset, int length) { 111 this(offset, length, null); 112 } 113 114 private static byte[] generate() { 115 byte[] byteArray = new byte[SIZE]; 116 for (int i = 0; i < SIZE; i++) { 117 byteArray[i] = (byte) (i + 1); 118 } 119 return byteArray; 120 } 121 122 public byte[] getExpected() { 123 if (expectedException != null) { 124 return new byte[0]; 125 } 126 return Arrays.copyOfRange(TestCaseData.DATA, offset, 127 offset + length); 128 } 129 130 @Override 131 public String toString() { 132 return "CASE: " + this.name(); 133 } 134 135 public byte[] getData() { 136 if (equals(NULL_POINTER)) { 137 return null; 138 } else { 139 return DATA; 140 } 141 } 142 } 143 144 public static class Worker { 145 public static void main(String[] args) { 146 for (String arg : args) { 147 TestCaseData tcase = TestCaseData.valueOf(arg); 148 CompilerToVMHelper.writeDebugOutput(tcase.getData(), 149 tcase.offset, tcase.length); 150 CompilerToVMHelper.flushDebugOutput(); 151 } 152 } 153 } 154 }