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14665
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1 /*
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2 * Copyright (c) 2014, 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. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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15 * accompanied this code).
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16 *
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17 * You should have received a copy of the GNU General Public License version
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18 * 2 along with this work; if not, write to the Free Software Foundation,
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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20 *
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 * or visit www.oracle.com if you need additional information or have any
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23 * questions.
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24 */
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25
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26 /*
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27 * @test TestStableBoolean
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28 * @summary tests on stable fields and arrays
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29 * @library /testlibrary
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30 * @compile -XDignore.symbol.file TestStableBoolean.java
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31 * @run main ClassFileInstaller
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32 * java/lang/invoke/TestStableBoolean
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33 * java/lang/invoke/TestStableBoolean$BooleanStable
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34 * java/lang/invoke/TestStableBoolean$StaticBooleanStable
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35 * java/lang/invoke/TestStableBoolean$VolatileBooleanStable
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36 * java/lang/invoke/TestStableBoolean$BooleanArrayDim1
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37 * java/lang/invoke/TestStableBoolean$BooleanArrayDim2
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38 * java/lang/invoke/TestStableBoolean$BooleanArrayDim3
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39 * java/lang/invoke/TestStableBoolean$BooleanArrayDim4
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40 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim0
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41 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim1
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42 * java/lang/invoke/TestStableBoolean$NestedStableField
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43 * java/lang/invoke/TestStableBoolean$NestedStableField$A
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44 * java/lang/invoke/TestStableBoolean$NestedStableField1
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45 * java/lang/invoke/TestStableBoolean$NestedStableField1$A
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46 * java/lang/invoke/TestStableBoolean$NestedStableField2
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47 * java/lang/invoke/TestStableBoolean$NestedStableField2$A
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48 * java/lang/invoke/TestStableBoolean$NestedStableField3
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49 * java/lang/invoke/TestStableBoolean$NestedStableField3$A
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50 * java/lang/invoke/TestStableBoolean$DefaultValue
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51 * java/lang/invoke/TestStableBoolean$ObjectArrayLowerDim2
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52 *
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53 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
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54 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:+UseCompressedOop
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55 * -server -XX:-TieredCompilation -Xcomp
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56 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
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57 * java.lang.invoke.TestStableBoolean
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58 *
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59 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
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60 * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:-UseCompressedOop
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61 * -server -XX:-TieredCompilation -Xcomp
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62 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
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63 * java.lang.invoke.TestStableBoolean
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64 *
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65 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
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66 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:+UseCompressedOop
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67 * -server -XX:-TieredCompilation -Xcomp
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68 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
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69 * java.lang.invoke.TestStableBoolean
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70 *
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71 * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
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72 * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:-UseCompressedOop
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73 * -server -XX:-TieredCompilation -Xcomp
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74 * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
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75 * java.lang.invoke.TestStableBoolean
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76 */
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77 package java.lang.invoke;
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78
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79 import com.sun.management.HotSpotDiagnosticMXBean;
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80 import com.sun.management.VMOption;
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81 import sun.management.ManagementFactoryHelper;
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82 import java.lang.reflect.InvocationTargetException;
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83
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84 public class TestStableBoolean {
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85 public static void main(String[] args) throws Exception {
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86 System.out.println("@Stable enabled: "+isStableEnabled);
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87 System.out.println();
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88
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89 run(DefaultValue.class);
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90 run(BooleanStable.class);
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91 run(StaticBooleanStable.class);
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92 run(VolatileBooleanStable.class);
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93
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94 // @Stable arrays: Dim 1-4
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95 run(BooleanArrayDim1.class);
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96 run(BooleanArrayDim2.class);
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97 run(BooleanArrayDim3.class);
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98 run(BooleanArrayDim4.class);
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99
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100 // @Stable Object field: dynamic arrays
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101 run(ObjectArrayLowerDim0.class);
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102 run(ObjectArrayLowerDim1.class);
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103 run(ObjectArrayLowerDim2.class);
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104
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105 // Nested @Stable fields
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106 run(NestedStableField.class);
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107 run(NestedStableField1.class);
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108 run(NestedStableField2.class);
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109 run(NestedStableField3.class);
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110
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111 if (failed) {
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112 throw new Error("TEST FAILED");
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113 }
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114 }
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115
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116 /* ==================================================== */
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117
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118 static class DefaultValue {
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119 public @Stable boolean v;
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120
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121 public static final DefaultValue c = new DefaultValue();
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122 public static boolean get() { return c.v; }
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123 public static void test() throws Exception {
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124 boolean val1 = get();
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125 c.v = true; boolean val2 = get();
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126 assertEquals(val1, false);
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127 assertEquals(val2, true);
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128 }
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129 }
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130
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131 /* ==================================================== */
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132
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133 static class BooleanStable {
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134 public @Stable boolean v;
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135
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136 public static final BooleanStable c = new BooleanStable();
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137 public static boolean get() { return c.v; }
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138 public static void test() throws Exception {
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139 c.v = true; boolean val1 = get();
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140 c.v = false; boolean val2 = get();
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141 assertEquals(val1, true);
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142 assertEquals(val2, (isStableEnabled ? true : false));
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143 }
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144 }
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145
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146 /* ==================================================== */
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147
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148 static class StaticBooleanStable {
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149 public static @Stable boolean v;
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150
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151 public static final StaticBooleanStable c = new StaticBooleanStable();
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152 public static boolean get() { return c.v; }
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153 public static void test() throws Exception {
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154 c.v = true; boolean val1 = get();
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155 c.v = false; boolean val2 = get();
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156 assertEquals(val1, true);
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157 assertEquals(val2, (isStableEnabled ? true : false));
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158 }
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159 }
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160
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161 /* ==================================================== */
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162
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163 static class VolatileBooleanStable {
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164 public @Stable volatile boolean v;
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165
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166 public static final VolatileBooleanStable c = new VolatileBooleanStable();
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167 public static boolean get() { return c.v; }
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168 public static void test() throws Exception {
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169 c.v = true; boolean val1 = get();
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170 c.v = false; boolean val2 = get();
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171 assertEquals(val1, true);
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172 assertEquals(val2, (isStableEnabled ? true : false));
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173 }
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174 }
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175
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176 /* ==================================================== */
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177 // @Stable array == field && all components are stable
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178
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179 static class BooleanArrayDim1 {
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180 public @Stable boolean[] v;
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181
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182 public static final BooleanArrayDim1 c = new BooleanArrayDim1();
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183 public static boolean get() { return c.v[0]; }
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184 public static boolean get1() { return c.v[10]; }
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185 public static boolean[] get2() { return c.v; }
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186 public static void test() throws Exception {
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187 {
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188 c.v = new boolean[1]; c.v[0] = true; boolean val1 = get();
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189 c.v[0] = false; boolean val2 = get();
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190 assertEquals(val1, true);
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191 assertEquals(val2, (isStableEnabled ? true : false));
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192 }
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193
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194 {
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195 c.v = new boolean[20]; c.v[10] = true; boolean val1 = get1();
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196 c.v[10] = false; boolean val2 = get1();
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197 assertEquals(val1, true);
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198 assertEquals(val2, (isStableEnabled ? true : false));
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199 }
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200
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201 {
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202 c.v = new boolean[1]; boolean[] val1 = get2();
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203 c.v = new boolean[1]; boolean[] val2 = get2();
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204 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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205 }
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206 }
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207 }
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208
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209 /* ==================================================== */
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210
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211 static class BooleanArrayDim2 {
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212 public @Stable boolean[][] v;
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213
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214 public static final BooleanArrayDim2 c = new BooleanArrayDim2();
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215 public static boolean get() { return c.v[0][0]; }
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216 public static boolean[] get1() { return c.v[0]; }
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217 public static boolean[][] get2() { return c.v; }
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218 public static void test() throws Exception {
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219 {
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220 c.v = new boolean[1][1]; c.v[0][0] = true; boolean val1 = get();
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221 c.v[0][0] = false; boolean val2 = get();
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222 assertEquals(val1, true);
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223 assertEquals(val2, (isStableEnabled ? true : false));
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224
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225 c.v = new boolean[1][1]; c.v[0][0] = false; boolean val3 = get();
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226 assertEquals(val3, (isStableEnabled ? true : false));
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227
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228 c.v[0] = new boolean[1]; c.v[0][0] = false; boolean val4 = get();
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229 assertEquals(val4, (isStableEnabled ? true : false));
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230 }
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231
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232 {
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233 c.v = new boolean[1][1]; boolean[] val1 = get1();
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234 c.v[0] = new boolean[1]; boolean[] val2 = get1();
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235 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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236 }
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237
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238 {
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239 c.v = new boolean[1][1]; boolean[][] val1 = get2();
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240 c.v = new boolean[1][1]; boolean[][] val2 = get2();
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241 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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242 }
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243 }
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244 }
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245
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246 /* ==================================================== */
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247
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248 static class BooleanArrayDim3 {
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249 public @Stable boolean[][][] v;
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250
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251 public static final BooleanArrayDim3 c = new BooleanArrayDim3();
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252 public static boolean get() { return c.v[0][0][0]; }
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253 public static boolean[] get1() { return c.v[0][0]; }
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254 public static boolean[][] get2() { return c.v[0]; }
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255 public static boolean[][][] get3() { return c.v; }
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256 public static void test() throws Exception {
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257 {
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258 c.v = new boolean[1][1][1]; c.v[0][0][0] = true; boolean val1 = get();
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259 c.v[0][0][0] = false; boolean val2 = get();
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260 assertEquals(val1, true);
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261 assertEquals(val2, (isStableEnabled ? true : false));
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262
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263 c.v = new boolean[1][1][1]; c.v[0][0][0] = false; boolean val3 = get();
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264 assertEquals(val3, (isStableEnabled ? true : false));
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265
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266 c.v[0] = new boolean[1][1]; c.v[0][0][0] = false; boolean val4 = get();
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267 assertEquals(val4, (isStableEnabled ? true : false));
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268
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269 c.v[0][0] = new boolean[1]; c.v[0][0][0] = false; boolean val5 = get();
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270 assertEquals(val5, (isStableEnabled ? true : false));
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271 }
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272
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273 {
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274 c.v = new boolean[1][1][1]; boolean[] val1 = get1();
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275 c.v[0][0] = new boolean[1]; boolean[] val2 = get1();
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276 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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277 }
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278
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279 {
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280 c.v = new boolean[1][1][1]; boolean[][] val1 = get2();
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281 c.v[0] = new boolean[1][1]; boolean[][] val2 = get2();
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282 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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283 }
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284
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285 {
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286 c.v = new boolean[1][1][1]; boolean[][][] val1 = get3();
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287 c.v = new boolean[1][1][1]; boolean[][][] val2 = get3();
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288 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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289 }
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290 }
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291 }
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292
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293 /* ==================================================== */
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294
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295 static class BooleanArrayDim4 {
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296 public @Stable boolean[][][][] v;
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297
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298 public static final BooleanArrayDim4 c = new BooleanArrayDim4();
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299 public static boolean get() { return c.v[0][0][0][0]; }
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300 public static boolean[] get1() { return c.v[0][0][0]; }
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301 public static boolean[][] get2() { return c.v[0][0]; }
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302 public static boolean[][][] get3() { return c.v[0]; }
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303 public static boolean[][][][] get4() { return c.v; }
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304 public static void test() throws Exception {
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305 {
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306 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = true; boolean val1 = get();
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307 c.v[0][0][0][0] = false; boolean val2 = get();
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308 assertEquals(val1, true);
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309 assertEquals(val2, (isStableEnabled ? true : false));
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310
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311 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = false; boolean val3 = get();
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312 assertEquals(val3, (isStableEnabled ? true : false));
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313
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314 c.v[0] = new boolean[1][1][1]; c.v[0][0][0][0] = false; boolean val4 = get();
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315 assertEquals(val4, (isStableEnabled ? true : false));
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316
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317 c.v[0][0] = new boolean[1][1]; c.v[0][0][0][0] = false; boolean val5 = get();
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318 assertEquals(val5, (isStableEnabled ? true : false));
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319
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320 c.v[0][0][0] = new boolean[1]; c.v[0][0][0][0] = false; boolean val6 = get();
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321 assertEquals(val6, (isStableEnabled ? true : false));
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322 }
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323
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324 {
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325 c.v = new boolean[1][1][1][1]; boolean[] val1 = get1();
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326 c.v[0][0][0] = new boolean[1]; boolean[] val2 = get1();
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327 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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328 }
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329
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330 {
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331 c.v = new boolean[1][1][1][1]; boolean[][] val1 = get2();
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332 c.v[0][0] = new boolean[1][1]; boolean[][] val2 = get2();
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333 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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334 }
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335
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336 {
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337 c.v = new boolean[1][1][1][1]; boolean[][][] val1 = get3();
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338 c.v[0] = new boolean[1][1][1]; boolean[][][] val2 = get3();
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339 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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340 }
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341
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342 {
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343 c.v = new boolean[1][1][1][1]; boolean[][][][] val1 = get4();
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344 c.v = new boolean[1][1][1][1]; boolean[][][][] val2 = get4();
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345 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
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346 }
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347
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348 }
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349 }
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350
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351 /* ==================================================== */
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352 // Dynamic Dim is higher than static
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353
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354 static class ObjectArrayLowerDim0 {
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355 public @Stable Object v;
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356
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357 public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
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358 public static boolean get() { return ((boolean[])c.v)[0]; }
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359 public static boolean[] get1() { return (boolean[])c.v; }
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360 public static boolean[] get2() { return (boolean[])c.v; }
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361
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362 public static void test() throws Exception {
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363 {
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364 c.v = new boolean[1]; ((boolean[])c.v)[0] = true; boolean val1 = get();
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365 ((boolean[])c.v)[0] = false; boolean val2 = get();
|
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366
|
|
|
367 assertEquals(val1, true);
|
|
|
368 assertEquals(val2, false);
|
|
|
369 }
|
|
|
370
|
|
|
371 {
|
|
|
372 c.v = new boolean[1]; boolean[] val1 = get1();
|
|
|
373 c.v = new boolean[1]; boolean[] val2 = get1();
|
|
|
374 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
375 }
|
|
|
376 }
|
|
|
377 }
|
|
|
378
|
|
|
379 /* ==================================================== */
|
|
|
380
|
|
|
381 static class ObjectArrayLowerDim1 {
|
|
|
382 public @Stable Object[] v;
|
|
|
383
|
|
|
384 public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
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|
|
385 public static boolean get() { return ((boolean[][])c.v)[0][0]; }
|
|
|
386 public static boolean[] get1() { return (boolean[])(c.v[0]); }
|
|
|
387 public static Object[] get2() { return c.v; }
|
|
|
388
|
|
|
389 public static void test() throws Exception {
|
|
|
390 {
|
|
|
391 c.v = new boolean[1][1]; ((boolean[][])c.v)[0][0] = true; boolean val1 = get();
|
|
|
392 ((boolean[][])c.v)[0][0] = false; boolean val2 = get();
|
|
|
393
|
|
|
394 assertEquals(val1, true);
|
|
|
395 assertEquals(val2, false);
|
|
|
396 }
|
|
|
397
|
|
|
398 {
|
|
|
399 c.v = new boolean[1][1]; c.v[0] = new boolean[0]; boolean[] val1 = get1();
|
|
|
400 c.v[0] = new boolean[0]; boolean[] val2 = get1();
|
|
|
401
|
|
|
402 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
403 }
|
|
|
404
|
|
|
405 {
|
|
|
406 c.v = new boolean[0][0]; Object[] val1 = get2();
|
|
|
407 c.v = new boolean[0][0]; Object[] val2 = get2();
|
|
|
408
|
|
|
409 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
410 }
|
|
|
411 }
|
|
|
412 }
|
|
|
413
|
|
|
414 /* ==================================================== */
|
|
|
415
|
|
|
416 static class ObjectArrayLowerDim2 {
|
|
|
417 public @Stable Object[][] v;
|
|
|
418
|
|
|
419 public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
|
|
|
420 public static boolean get() { return ((boolean[][][])c.v)[0][0][0]; }
|
|
|
421 public static boolean[] get1() { return (boolean[])(c.v[0][0]); }
|
|
|
422 public static boolean[][] get2() { return (boolean[][])(c.v[0]); }
|
|
|
423 public static Object[][] get3() { return c.v; }
|
|
|
424
|
|
|
425 public static void test() throws Exception {
|
|
|
426 {
|
|
|
427 c.v = new boolean[1][1][1]; ((boolean[][][])c.v)[0][0][0] = true; boolean val1 = get();
|
|
|
428 ((boolean[][][])c.v)[0][0][0] = false; boolean val2 = get();
|
|
|
429
|
|
|
430 assertEquals(val1, true);
|
|
|
431 assertEquals(val2, false);
|
|
|
432 }
|
|
|
433
|
|
|
434 {
|
|
|
435 c.v = new boolean[1][1][1]; c.v[0][0] = new boolean[0]; boolean[] val1 = get1();
|
|
|
436 c.v[0][0] = new boolean[0]; boolean[] val2 = get1();
|
|
|
437
|
|
|
438 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
439 }
|
|
|
440
|
|
|
441 {
|
|
|
442 c.v = new boolean[1][1][1]; c.v[0] = new boolean[0][0]; boolean[][] val1 = get2();
|
|
|
443 c.v[0] = new boolean[0][0]; boolean[][] val2 = get2();
|
|
|
444
|
|
|
445 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
446 }
|
|
|
447
|
|
|
448 {
|
|
|
449 c.v = new boolean[0][0][0]; Object[][] val1 = get3();
|
|
|
450 c.v = new boolean[0][0][0]; Object[][] val2 = get3();
|
|
|
451
|
|
|
452 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
|
|
|
453 }
|
|
|
454 }
|
|
|
455 }
|
|
|
456
|
|
|
457 /* ==================================================== */
|
|
|
458
|
|
|
459 static class NestedStableField {
|
|
|
460 static class A {
|
|
|
461 public @Stable boolean a;
|
|
|
462
|
|
|
463 }
|
|
|
464 public @Stable A v;
|
|
|
465
|
|
|
466 public static final NestedStableField c = new NestedStableField();
|
|
|
467 public static A get() { return c.v; }
|
|
|
468 public static boolean get1() { return get().a; }
|
|
|
469
|
|
|
470 public static void test() throws Exception {
|
|
|
471 {
|
|
|
472 c.v = new A(); c.v.a = true; A val1 = get();
|
|
|
473 c.v.a = false; A val2 = get();
|
|
|
474
|
|
|
475 assertEquals(val1.a, false);
|
|
|
476 assertEquals(val2.a, false);
|
|
|
477 }
|
|
|
478
|
|
|
479 {
|
|
|
480 c.v = new A(); c.v.a = true; boolean val1 = get1();
|
|
|
481 c.v.a = false; boolean val2 = get1();
|
|
|
482 c.v = new A(); c.v.a = false; boolean val3 = get1();
|
|
|
483
|
|
|
484 assertEquals(val1, true);
|
|
|
485 assertEquals(val2, (isStableEnabled ? true : false));
|
|
|
486 assertEquals(val3, (isStableEnabled ? true : false));
|
|
|
487 }
|
|
|
488 }
|
|
|
489 }
|
|
|
490
|
|
|
491 /* ==================================================== */
|
|
|
492
|
|
|
493 static class NestedStableField1 {
|
|
|
494 static class A {
|
|
|
495 public @Stable boolean a;
|
|
|
496 public @Stable A next;
|
|
|
497 }
|
|
|
498 public @Stable A v;
|
|
|
499
|
|
|
500 public static final NestedStableField1 c = new NestedStableField1();
|
|
|
501 public static A get() { return c.v.next.next.next.next.next.next.next; }
|
|
|
502 public static boolean get1() { return get().a; }
|
|
|
503
|
|
|
504 public static void test() throws Exception {
|
|
|
505 {
|
|
|
506 c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
|
|
|
507 c.v.a = true; c.v.next.a = true; A val1 = get();
|
|
|
508 c.v.a = false; c.v.next.a = false; A val2 = get();
|
|
|
509
|
|
|
510 assertEquals(val1.a, false);
|
|
|
511 assertEquals(val2.a, false);
|
|
|
512 }
|
|
|
513
|
|
|
514 {
|
|
|
515 c.v = new A(); c.v.next = c.v;
|
|
|
516 c.v.a = true; boolean val1 = get1();
|
|
|
517 c.v.a = false; boolean val2 = get1();
|
|
|
518 c.v = new A(); c.v.next = c.v;
|
|
|
519 c.v.a = false; boolean val3 = get1();
|
|
|
520
|
|
|
521 assertEquals(val1, true);
|
|
|
522 assertEquals(val2, (isStableEnabled ? true : false));
|
|
|
523 assertEquals(val3, (isStableEnabled ? true : false));
|
|
|
524 }
|
|
|
525 }
|
|
|
526 }
|
|
|
527 /* ==================================================== */
|
|
|
528
|
|
|
529 static class NestedStableField2 {
|
|
|
530 static class A {
|
|
|
531 public @Stable boolean a;
|
|
|
532 public @Stable A left;
|
|
|
533 public A right;
|
|
|
534 }
|
|
|
535
|
|
|
536 public @Stable A v;
|
|
|
537
|
|
|
538 public static final NestedStableField2 c = new NestedStableField2();
|
|
|
539 public static boolean get() { return c.v.left.left.left.a; }
|
|
|
540 public static boolean get1() { return c.v.left.left.right.left.a; }
|
|
|
541
|
|
|
542 public static void test() throws Exception {
|
|
|
543 {
|
|
|
544 c.v = new A(); c.v.left = c.v.right = c.v;
|
|
|
545 c.v.a = true; boolean val1 = get(); boolean val2 = get1();
|
|
|
546 c.v.a = false; boolean val3 = get(); boolean val4 = get1();
|
|
|
547
|
|
|
548 assertEquals(val1, true);
|
|
|
549 assertEquals(val3, (isStableEnabled ? true : false));
|
|
|
550
|
|
|
551 assertEquals(val2, true);
|
|
|
552 assertEquals(val4, false);
|
|
|
553 }
|
|
|
554 }
|
|
|
555 }
|
|
|
556
|
|
|
557 /* ==================================================== */
|
|
|
558
|
|
|
559 static class NestedStableField3 {
|
|
|
560 static class A {
|
|
|
561 public @Stable boolean a;
|
|
|
562 public @Stable A[] left;
|
|
|
563 public A[] right;
|
|
|
564 }
|
|
|
565
|
|
|
566 public @Stable A[] v;
|
|
|
567
|
|
|
568 public static final NestedStableField3 c = new NestedStableField3();
|
|
|
569 public static boolean get() { return c.v[0].left[1].left[0].left[1].a; }
|
|
|
570 public static boolean get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
|
|
|
571
|
|
|
572 public static void test() throws Exception {
|
|
|
573 {
|
|
|
574 A elem = new A();
|
|
|
575 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
|
|
|
576 elem.a = true; boolean val1 = get(); boolean val2 = get1();
|
|
|
577 elem.a = false; boolean val3 = get(); boolean val4 = get1();
|
|
|
578
|
|
|
579 assertEquals(val1, true);
|
|
|
580 assertEquals(val3, (isStableEnabled ? true : false));
|
|
|
581
|
|
|
582 assertEquals(val2, true);
|
|
|
583 assertEquals(val4, false);
|
|
|
584 }
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588 /* ==================================================== */
|
|
|
589 // Auxiliary methods
|
|
|
590 static void assertEquals(boolean i, boolean j) { if (i != j) throw new AssertionError(i + " != " + j); }
|
|
|
591 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
|
|
|
592
|
|
|
593 static boolean failed = false;
|
|
|
594
|
|
|
595 public static void run(Class<?> test) {
|
|
|
596 Throwable ex = null;
|
|
|
597 System.out.print(test.getName()+": ");
|
|
|
598 try {
|
|
|
599 test.getMethod("test").invoke(null);
|
|
|
600 } catch (InvocationTargetException e) {
|
|
|
601 ex = e.getCause();
|
|
|
602 } catch (Throwable e) {
|
|
|
603 ex = e;
|
|
|
604 } finally {
|
|
|
605 if (ex == null) {
|
|
|
606 System.out.println("PASSED");
|
|
|
607 } else {
|
|
|
608 failed = true;
|
|
|
609 System.out.println("FAILED");
|
|
|
610 ex.printStackTrace(System.out);
|
|
|
611 }
|
|
|
612 }
|
|
|
613 }
|
|
|
614
|
|
|
615 static final boolean isStableEnabled;
|
|
|
616 static {
|
|
|
617 HotSpotDiagnosticMXBean diagnostic
|
|
|
618 = ManagementFactoryHelper.getDiagnosticMXBean();
|
|
|
619 VMOption tmp;
|
|
|
620 try {
|
|
|
621 tmp = diagnostic.getVMOption("FoldStableValues");
|
|
|
622 } catch (IllegalArgumentException e) {
|
|
|
623 tmp = null;
|
|
|
624 }
|
|
|
625 isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue()));
|
|
|
626 }
|
|
|
627 }
|
