DebugOutputTest.java revision 11707:ad7af1afda7a 
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
39package compiler.jvmci.compilerToVM;
40
41import jdk.test.lib.OutputAnalyzer;
42import jdk.test.lib.ProcessTools;
43import jdk.vm.ci.hotspot.CompilerToVMHelper;
44
45import java.util.Arrays;
46
47public 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}
156