1 /* 2 * Copyright (c) 2015, 2017, 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.internal.vm.ci/jdk.vm.ci.hotspot 32 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 33 * @run driver compiler.jvmci.compilerToVM.DebugOutputTest 34 */ 35 36 package compiler.jvmci.compilerToVM; 37 38 import jdk.test.lib.process.OutputAnalyzer; 39 import jdk.test.lib.process.ProcessTools; 40 import jdk.vm.ci.hotspot.CompilerToVMHelper; 41 42 import java.util.Arrays; 43 import java.nio.file.Path; 44 import java.nio.file.Paths; 45 46 public class DebugOutputTest { 47 private static final String VM_CI_MODULE = "jdk.internal.vm.ci"; main(String[] args)48 public static void main(String[] args) { 49 new DebugOutputTest().test(); 50 } 51 test()52 private void test() { 53 for (TestCaseData testCase : TestCaseData.values()) { 54 System.out.println(testCase); 55 OutputAnalyzer oa; 56 try { 57 Path patch = Paths.get(System.getProperty("test.patch.path")); 58 Path jvmciPath = patch.resolve(VM_CI_MODULE).toAbsolutePath(); 59 if (!jvmciPath.toFile().exists()) { 60 throw new Error("TESTBUG: patch for " + VM_CI_MODULE + " : " 61 + jvmciPath.toString() + " does not exist"); 62 } 63 oa = ProcessTools.executeTestJvm( 64 "-XX:+UnlockExperimentalVMOptions", 65 "-XX:+EnableJVMCI", 66 "--add-exports", "java.base/jdk.internal.misc=ALL-UNNAMED", 67 "--add-exports", "jdk.internal.vm.ci/jdk.vm.ci.hotspot=ALL-UNNAMED", 68 "--patch-module", VM_CI_MODULE + "=" + jvmciPath.toString(), 69 DebugOutputTest.Worker.class.getName(), 70 testCase.name()); 71 } catch (Throwable e) { 72 e.printStackTrace(); 73 throw new Error("Problems running child process", e); 74 } 75 if (testCase.expectedException != null) { 76 oa.shouldHaveExitValue(1); 77 oa.shouldContain(testCase.expectedException.getName()); 78 } else { 79 oa.shouldHaveExitValue(0); 80 oa.shouldContain(new String(testCase.getExpected())); 81 } 82 } 83 } 84 85 /** 86 * A list of test cases that are executed in forked VM 87 */ 88 private enum TestCaseData { 89 PART_ARRAY(100, 50), 90 FULL_ARRAY(0, 255), 91 EMPTY(0, 0), 92 NEGATIVE_LENGTH(0, Integer.MIN_VALUE, 93 ArrayIndexOutOfBoundsException.class), 94 NEGATIVE_OFFSET(-1, 255, 95 ArrayIndexOutOfBoundsException.class), 96 LEFT_BOUND(Integer.MIN_VALUE, 100, 97 ArrayIndexOutOfBoundsException.class), 98 RIGHT_BOUND(Integer.MAX_VALUE, 100, 99 ArrayIndexOutOfBoundsException.class), 100 BIG_LENGTH(0, Integer.MAX_VALUE, 101 ArrayIndexOutOfBoundsException.class), 102 NULL_POINTER(0, 0, 103 NullPointerException.class), 104 ; 105 106 private static final int SIZE = 255; 107 private static final byte[] DATA = generate(); 108 public final int offset; 109 public final int length; 110 public final Class<? extends Throwable> expectedException; 111 TestCaseData(int offset, int length, Class<? extends Throwable> expectedException)112 private TestCaseData(int offset, int length, 113 Class<? extends Throwable> expectedException) { 114 this.offset = offset; 115 this.length = length; 116 this.expectedException = expectedException; 117 } 118 TestCaseData(int offset, int length)119 private TestCaseData(int offset, int length) { 120 this(offset, length, null); 121 } 122 generate()123 private static byte[] generate() { 124 byte[] byteArray = new byte[SIZE]; 125 for (int i = 0; i < SIZE; i++) { 126 byteArray[i] = (byte) (i + 1); 127 } 128 return byteArray; 129 } 130 getExpected()131 public byte[] getExpected() { 132 if (expectedException != null) { 133 return new byte[0]; 134 } 135 return Arrays.copyOfRange(TestCaseData.DATA, offset, 136 offset + length); 137 } 138 139 @Override toString()140 public String toString() { 141 return "CASE: " + this.name(); 142 } 143 getData()144 public byte[] getData() { 145 if (equals(NULL_POINTER)) { 146 return null; 147 } else { 148 return DATA; 149 } 150 } 151 } 152 153 public static class Worker { main(String[] args)154 public static void main(String[] args) { 155 for (String arg : args) { 156 TestCaseData tcase = TestCaseData.valueOf(arg); 157 CompilerToVMHelper.writeDebugOutput(tcase.getData(), 158 tcase.offset, tcase.length); 159 CompilerToVMHelper.flushDebugOutput(); 160 } 161 } 162 } 163 } 164