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annotate graal/com.oracle.graal.asm.amd64.test/src/com/oracle/graal/asm/amd64/test/IncrementDecrementMacroTest.java @ 20083:82246de10a9f
Add IncrementDecrementMacroTest.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 30 Mar 2015 17:31:48 +0200 |
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children | 5e868236654f |
rev | line source |
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20083
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1 /* |
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2 * Copyright (c) 2015, 2015, 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.graal.asm.amd64.test; |
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24 |
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25 import static com.oracle.graal.api.code.ValueUtil.*; |
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26 import static com.oracle.graal.compiler.common.UnsafeAccess.*; |
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27 import static org.junit.Assume.*; |
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28 |
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29 import java.lang.reflect.*; |
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30 |
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31 import org.junit.*; |
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32 |
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33 import com.oracle.graal.amd64.*; |
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34 import com.oracle.graal.api.code.*; |
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35 import com.oracle.graal.api.meta.*; |
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36 import com.oracle.graal.asm.amd64.*; |
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37 import com.oracle.graal.asm.test.*; |
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38 |
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39 public class IncrementDecrementMacroTest extends AssemblerTest { |
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40 |
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41 @Before |
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42 public void checkAMD64() { |
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43 assumeTrue("skipping AMD64 specific test", codeCache.getTarget().arch instanceof AMD64); |
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44 } |
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45 |
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46 public static class LongField { |
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47 public long x; |
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48 |
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49 LongField(long x) { |
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50 this.x = x; |
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51 } |
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52 } |
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53 |
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54 private static class IncrementCodeGenTest implements CodeGenTest { |
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55 final int value; |
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56 |
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57 public IncrementCodeGenTest(int value) { |
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58 this.value = value; |
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59 } |
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60 |
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61 @Override |
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62 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { |
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63 AMD64MacroAssembler asm = new AMD64MacroAssembler(target, registerConfig); |
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64 Register ret = registerConfig.getReturnRegister(Kind.Int); |
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65 try { |
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66 Field f = LongField.class.getDeclaredField("x"); |
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67 AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); |
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68 asm.incrementq(arg, value); |
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69 asm.movq(ret, arg); |
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70 asm.ret(0); |
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71 return asm.close(true); |
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72 } catch (Exception e) { |
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73 throw new RuntimeException("exception while trying to generate field access:", e); |
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74 } |
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75 } |
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76 } |
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77 |
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78 private void assertIncrement(long initValue, int increment) { |
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79 assertReturn("longFieldStubIncrement", new IncrementCodeGenTest(increment), initValue + increment, new LongField(initValue)); |
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80 } |
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81 |
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82 private void assertIncrements(int increment) { |
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83 assertIncrement(0x4242_4242_4242_4242L, increment); |
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84 } |
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85 |
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86 @SuppressWarnings("unused") |
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87 public static long longFieldStubIncrement(LongField arg) { |
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88 return 0; |
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89 } |
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90 |
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91 private static class DecrementCodeGenTest implements CodeGenTest { |
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92 final int value; |
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93 |
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94 public DecrementCodeGenTest(int value) { |
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95 this.value = value; |
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96 } |
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97 |
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98 @Override |
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99 public byte[] generateCode(CompilationResult compResult, TargetDescription target, RegisterConfig registerConfig, CallingConvention cc) { |
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100 AMD64MacroAssembler asm = new AMD64MacroAssembler(target, registerConfig); |
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101 Register ret = registerConfig.getReturnRegister(Kind.Int); |
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102 try { |
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103 Field f = LongField.class.getDeclaredField("x"); |
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104 AMD64Address arg = new AMD64Address(asRegister(cc.getArgument(0)), (int) unsafe.objectFieldOffset(f)); |
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105 asm.decrementq(arg, value); |
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106 asm.movq(ret, arg); |
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107 asm.ret(0); |
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108 return asm.close(true); |
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109 } catch (Exception e) { |
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110 throw new RuntimeException("exception while trying to generate field access:", e); |
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111 } |
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112 } |
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113 } |
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114 |
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115 private void assertDecrement(long initValue, int increment) { |
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116 assertReturn("longFieldStubDecrement", new DecrementCodeGenTest(increment), initValue - increment, new LongField(initValue)); |
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117 } |
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118 |
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119 private void assertDecrements(int increment) { |
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120 assertDecrement(0x4242_4242_4242_4242L, increment); |
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121 } |
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122 |
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123 @SuppressWarnings("unused") |
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124 public static long longFieldStubDecrement(LongField arg) { |
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125 return 0; |
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126 } |
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127 |
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128 @Test |
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129 public void incrementMemTest0() { |
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130 int increment = 0; |
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131 assertIncrements(increment); |
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132 } |
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133 |
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134 @Test |
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135 public void incrementMemTest1() { |
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136 int increment = 1; |
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137 assertIncrements(increment); |
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138 } |
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139 |
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140 @Test |
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141 public void incrementMemTest2() { |
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142 int increment = 2; |
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143 assertIncrements(increment); |
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144 } |
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145 |
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146 @Test |
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147 public void incrementMemTest3() { |
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148 int increment = Integer.MAX_VALUE; |
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149 assertIncrements(increment); |
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150 } |
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151 |
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152 @Test |
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153 public void incrementMemTest4() { |
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154 int increment = Integer.MIN_VALUE; |
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155 assertIncrements(increment); |
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156 } |
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157 |
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158 @Test |
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159 public void incrementMemTest5() { |
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160 int increment = -1; |
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161 assertIncrements(increment); |
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162 } |
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163 |
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164 @Test |
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165 public void incrementMemTest6() { |
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166 int increment = -2; |
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167 assertIncrements(increment); |
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168 } |
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169 |
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170 @Test |
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171 public void incrementMemTest7() { |
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172 int increment = -0x1000_0000; |
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173 assertIncrements(increment); |
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174 } |
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175 |
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176 @Test |
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177 public void decrementMemTest0() { |
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178 int decrement = 0; |
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179 assertDecrements(decrement); |
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180 } |
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181 |
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182 @Test |
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183 public void decrementMemTest1() { |
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184 int decrement = 1; |
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185 assertDecrements(decrement); |
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186 } |
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187 |
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188 @Test |
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189 public void decrementMemTest2() { |
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190 int decrement = 2; |
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191 assertDecrements(decrement); |
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192 } |
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193 |
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194 @Test |
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195 public void decrementMemTest3() { |
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196 int decrement = Integer.MAX_VALUE; |
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197 assertDecrements(decrement); |
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198 } |
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199 |
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200 @Test |
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201 public void decrementMemTest4() { |
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202 int decrement = Integer.MIN_VALUE; |
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203 assertDecrements(decrement); |
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204 } |
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205 |
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206 @Test |
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207 public void decrementMemTest5() { |
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208 int decrement = -1; |
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209 assertDecrements(decrement); |
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210 } |
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211 |
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212 @Test |
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213 public void decrementMemTest6() { |
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214 int decrement = -2; |
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215 assertDecrements(decrement); |
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216 } |
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217 |
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218 @Test |
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219 public void decrementMemTest7() { |
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220 int decrement = -0x1000_0000; |
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221 assertDecrements(decrement); |
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222 } |
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223 |
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224 } |