1 /*
2 * Copyright (c) 2015, 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.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
28 * @library / /testlibrary /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 * @build compiler.jvmci.compilerToVM.DebugOutputTest
34 * @run main/othervm compiler.jvmci.compilerToVM.DebugOutputTest
35 */
36
37 // as soon as CODETOOLS-7901589 fixed, '@run main/othervm' should be replaced w/ '@run driver'
38
39 package compiler.jvmci.compilerToVM;
40
41 import jdk.test.lib.OutputAnalyzer;
42 import jdk.test.lib.ProcessTools;
43 import jdk.vm.ci.hotspot.CompilerToVMHelper;
44
45 import java.util.Arrays;
46
47 public class DebugOutputTest {
48 public static void main(String[] args) {
49 new DebugOutputTest().test();
50 }
51
52 private void test() {
53 for (TestCaseData testCase : TestCaseData.values()) {
54 System.out.println(testCase);
55 OutputAnalyzer oa;
56 try {
57 oa = ProcessTools.executeTestJvmAllArgs(
58 "-XX:+UnlockExperimentalVMOptions",
59 "-XX:+EnableJVMCI",
60 "-Xbootclasspath/a:.",
61 DebugOutputTest.Worker.class.getName(),
62 testCase.name());
63 } catch (Throwable e) {
64 e.printStackTrace();
65 throw new Error("Problems running child process", e);
66 }
67 if (testCase.expectedException != null) {
68 oa.shouldHaveExitValue(1);
69 oa.shouldContain(testCase.expectedException.getName());
70 } else {
71 oa.shouldHaveExitValue(0);
72 oa.shouldContain(new String(testCase.getExpected()));
73 }
74 }
75 }
76
77 /**
78 * A list of test cases that are executed in forked VM
79 */
80 private enum TestCaseData {
81 PART_ARRAY(100, 50),
82 FULL_ARRAY(0, 255),
83 EMPTY(0, 0),
84 NEGATIVE_LENGTH(0, Integer.MIN_VALUE,
85 ArrayIndexOutOfBoundsException.class),
86 NEGATIVE_OFFSET(-1, 255,
87 ArrayIndexOutOfBoundsException.class),
88 LEFT_BOUND(Integer.MIN_VALUE, 100,
89 ArrayIndexOutOfBoundsException.class),
90 RIGHT_BOUND(Integer.MAX_VALUE, 100,
91 ArrayIndexOutOfBoundsException.class),
92 BIG_LENGTH(0, Integer.MAX_VALUE,
93 ArrayIndexOutOfBoundsException.class),
94 NULL_POINTER(0, 0,
95 NullPointerException.class),
96 ;
97
98 private static final int SIZE = 255;
99 private static final byte[] DATA = generate();
100 public final int offset;
101 public final int length;
102 public final Class<? extends Throwable> expectedException;
103
104 private TestCaseData(int offset, int length,
105 Class<? extends Throwable> expectedException) {
106 this.offset = offset;
107 this.length = length;
108 this.expectedException = expectedException;
109 }
110
111 private TestCaseData(int offset, int length) {
112 this(offset, length, null);
113 }
114
115 private static byte[] generate() {
116 byte[] byteArray = new byte[SIZE];
117 for (int i = 0; i < SIZE; i++) {
118 byteArray[i] = (byte) (i + 1);
119 }
120 return byteArray;
121 }
122
123 public byte[] getExpected() {
124 if (expectedException != null) {
125 return new byte[0];
126 }
127 return Arrays.copyOfRange(TestCaseData.DATA, offset,
128 offset + length);
129 }
130
131 @Override
132 public String toString() {
133 return "CASE: " + this.name();
134 }
135
136 public byte[] getData() {
137 if (equals(NULL_POINTER)) {
138 return null;
139 } else {
140 return DATA;
141 }
142 }
143 }
144
145 public static class Worker {
146 public static void main(String[] args) {
147 for (String arg : args) {
148 TestCaseData tcase = TestCaseData.valueOf(arg);
149 CompilerToVMHelper.writeDebugOutput(tcase.getData(),
150 tcase.offset, tcase.length);
151 CompilerToVMHelper.flushDebugOutput();
152 }
153 }
154 }
155 }