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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. |
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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 |
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24 import java.lang.reflect.Executable; |
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25 import java.util.concurrent.Callable; |
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26 |
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27 /** |
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28 * @test ConstantGettersTransitionsTest |
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29 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox |
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30 * @build TransitionsTestExecutor ConstantGettersTransitionsTest |
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31 * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
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32 * @run main/othervm/timeout=240 -Xmixed -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
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33 * -XX:+WhiteBoxAPI -XX:+TieredCompilation |
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34 * -XX:CompileCommand=compileonly,ConstantGettersTestCase$TrivialMethods::* |
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35 * TransitionsTestExecutor ConstantGettersTransitionsTest |
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36 * @summary Test the correctness of compilation level transitions for constant getters methods |
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37 */ |
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38 public class ConstantGettersTransitionsTest extends LevelTransitionTest { |
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39 public static void main(String[] args) { |
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40 assert (!CompilerWhiteBoxTest.skipOnTieredCompilation(false)); |
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41 |
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42 // run test cases |
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43 for (TestCase testCase : ConstantGettersTestCase.values()) { |
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44 new ConstantGettersTransitionsTest(testCase).runTest(); |
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45 } |
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46 } |
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47 |
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48 @Override |
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49 protected boolean isTrivial() { |
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50 return true; |
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51 } |
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52 |
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53 private ConstantGettersTransitionsTest(TestCase testCase) { |
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54 super(testCase); |
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55 } |
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56 } |
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57 |
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58 enum ConstantGettersTestCase implements CompilerWhiteBoxTest.TestCase { |
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59 ICONST_M1, |
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60 ICONST_0, |
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61 ICONST_1, |
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62 ICONST_2, |
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63 ICONST_3, |
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64 ICONST_4, |
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65 ICONST_5, |
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66 LCONST_0, |
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67 LCONST_1, |
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68 FCONST_0, |
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69 FCONST_1, |
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70 FCONST_2, |
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71 DCONST_0, |
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72 DCONST_1, |
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73 DCONST_W, |
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74 BYTE, |
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75 SHORT, |
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76 CHAR; |
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77 |
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78 private final Executable executable; |
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79 private final Callable<Integer> callable; |
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80 |
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81 @Override |
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82 public Executable getExecutable() { |
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83 return executable; |
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84 } |
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85 |
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86 @Override |
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87 public Callable<Integer> getCallable() { |
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88 return callable; |
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89 } |
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90 |
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91 @Override |
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92 public boolean isOsr() { |
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93 return false; |
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94 } |
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95 |
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96 private ConstantGettersTestCase() { |
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97 String name = "make" + this.name(); |
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98 this.executable = LevelTransitionTest.Helper.getMethod(TrivialMethods.class, name); |
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99 this.callable = LevelTransitionTest.Helper.getCallable(new TrivialMethods(), name); |
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100 } |
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101 |
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102 /** |
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103 * Contains methods that load constants with certain types of bytecodes |
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104 * See JVMS 2.11.2. Load and Store Instructions |
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105 * Note that it doesn't have a method for ldc_w instruction |
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106 */ |
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107 private static class TrivialMethods { |
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108 public static int makeICONST_M1() { |
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109 return -1; |
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110 } |
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111 |
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112 public static int makeICONST_0() { |
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113 return 0; |
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114 } |
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115 |
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116 public static int makeICONST_1() { |
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117 return 1; |
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118 } |
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119 |
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120 public static int makeICONST_2() { |
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121 return 2; |
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122 } |
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123 |
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124 public static int makeICONST_3() { |
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125 return 3; |
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126 } |
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127 |
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128 public static int makeICONST_4() { |
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129 return 4; |
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130 } |
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131 |
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132 public static int makeICONST_5() { |
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133 return 5; |
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134 } |
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135 |
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136 public static long makeLCONST_0() { |
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137 return 0L; |
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138 } |
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139 |
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140 public static long makeLCONST_1() { |
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141 return 1L; |
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142 } |
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143 |
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144 public static float makeFCONST_0() { |
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145 return 0F; |
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146 } |
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147 |
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148 public static float makeFCONST_1() { |
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149 return 1F; |
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150 } |
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151 |
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152 public static float makeFCONST_2() { |
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153 return 2F; |
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154 } |
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155 |
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156 public static double makeDCONST_0() { |
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157 return 0D; |
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158 } |
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159 |
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160 public static double makeDCONST_1() { |
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161 return 1D; |
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162 } |
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163 |
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164 public static double makeDCONST_W() { |
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165 // ldc2_w |
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166 return Double.MAX_VALUE; |
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167 } |
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168 |
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169 public static Object makeOBJECT() { |
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170 // aconst_null |
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171 return null; |
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172 } |
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173 |
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174 public static byte makeBYTE() { |
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175 // bipush |
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176 return (byte) 0x7F; |
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177 } |
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178 |
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179 public static short makeSHORT() { |
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180 // sipush |
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181 return (short) 0x7FFF; |
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182 } |
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183 |
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184 public static char makeCHAR() { |
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185 // ldc |
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186 return (char) 0xFFFF; |
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187 } |
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188 |
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189 public static boolean makeBOOLEAN() { |
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190 return true; |
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191 } |
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192 } |
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193 } |