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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SpecializationGroupingTest.java @ 22241:14e6dfb1ef05

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Truffle/Testing: massive rework of tests to accommodate recent instrumentation change with respect to "applyInstrumentation" - Caused by lack of a "vm" known to the Accessor during most testing, making the Instrumenter unavailable, which is now required to create a CallTarget - Modified the Instrumenter/Accessor with a static field that can be reflectively "poked" with a vm value for testing - Create a pair of methods to globally enable/disable testing mode to modify that static field and restore it when tests complete.
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Tue, 22 Sep 2015 20:31:19 -0700
parents dc83cc1f94f2
children 0d36601f233e
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1 /*
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2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.dsl.test;
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24
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25 import org.junit.After;
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26 import org.junit.Assert;
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27 import org.junit.Before;
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28 import org.junit.Test;
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29
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30 import com.oracle.truffle.api.CallTarget;
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31 import com.oracle.truffle.api.dsl.NodeChild;
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32 import com.oracle.truffle.api.dsl.Specialization;
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33 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug1Factory;
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34 import com.oracle.truffle.api.dsl.test.SpecializationGroupingTestFactory.TestElseConnectionBug2Factory;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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36 import com.oracle.truffle.api.dsl.test.utilities.InstrumentationTestMode;
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37 import com.oracle.truffle.api.frame.VirtualFrame;
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38 import com.oracle.truffle.api.nodes.SlowPathException;
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39
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40 /**
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41 * Tests execution counts of guards. While we do not make guarantees for guard invocation except for
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42 * their execution order our implementation reduces the calls to guards as much as possible for the
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43 * generic case.
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44 */
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45 public class SpecializationGroupingTest {
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46
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47 @Before
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48 public void before() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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49 InstrumentationTestMode.set(true);
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50 }
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51
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52 @After
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53 public void after() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
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54 InstrumentationTestMode.set(false);
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55 }
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56
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57 @Test
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58 public void testElseConnectionBug1() {
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59 CallTarget target = TestHelper.createCallTarget(TestElseConnectionBug1Factory.create(new GenericInt()));
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60 Assert.assertEquals(42, target.call());
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61 }
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62
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63 @SuppressWarnings("unused")
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64 @NodeChild(value = "genericChild", type = GenericInt.class)
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65 public abstract static class TestElseConnectionBug1 extends ValueNode {
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66
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67 @Specialization(rewriteOn = {SlowPathException.class}, guards = "isInitialized(value)")
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68 public int do1(int value) throws SlowPathException {
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69 throw new SlowPathException();
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70 }
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71
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72 @Specialization(contains = "do1", guards = "isInitialized(value)")
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73 public int do2(int value) {
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74 return value == 42 ? value : 0;
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75 }
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76
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77 @Specialization(guards = "!isInitialized(value)")
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78 public Object do3(int value) {
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79 throw new AssertionError();
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80 }
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81
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82 boolean isInitialized(int value) {
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83 return true;
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84 }
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85 }
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86
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87 public static final class GenericInt extends ValueNode {
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88
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89 @Override
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90 public Object execute(VirtualFrame frame) {
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91 return executeInt(frame);
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92 }
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93
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94 @Override
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95 public int executeInt(VirtualFrame frame) {
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96 return 42;
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97 }
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98
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99 }
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100
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101 @Test
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102 public void testElseConnectionBug2() {
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103 TestHelper.assertRuns(TestElseConnectionBug2Factory.getInstance(), new Object[]{42}, new Object[]{42});
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104 }
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105
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106 @SuppressWarnings("unused")
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107 @NodeChild
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108 public abstract static class TestElseConnectionBug2 extends ValueNode {
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109
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110 @Specialization(guards = "guard0(value)")
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111 public int do1(int value) {
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112 throw new AssertionError();
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113 }
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114
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115 @Specialization(guards = "guard1(value)")
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116 public int do2(int value) {
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117 throw new AssertionError();
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118 }
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119
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120 @Specialization(guards = "!guard0(value)")
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121 public int do3(int value) {
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122 return value;
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parents: 11470
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123 }
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parents: 11470
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124
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125 boolean guard0(int value) {
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126 return false;
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127 }
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128
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129 boolean guard1(int value) {
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130 return false;
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131 }
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132 }
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parents: 11470
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133
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parents:
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134 }