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annotate graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/IntegerStampTest.java @ 14015:0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 25 Feb 2014 13:36:18 +0100 |
parents | f2b300c6e621 |
children | 9c1e53adc159 |
rev | line source |
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1 /* |
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2 * Copyright (c) 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.graal.nodes.test; |
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24 |
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25 import static org.junit.Assert.*; |
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26 |
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27 import org.junit.*; |
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28 |
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29 import com.oracle.graal.api.meta.*; |
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30 import com.oracle.graal.nodes.*; |
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31 import com.oracle.graal.nodes.type.*; |
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32 |
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33 /** |
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34 * This class tests that integer stamps are created correctly for constants. |
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35 */ |
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36 public class IntegerStampTest { |
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37 |
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38 private StructuredGraph graph; |
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39 |
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40 @Before |
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41 public void before() { |
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42 graph = new StructuredGraph(); |
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43 } |
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44 |
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45 @Test |
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46 public void testBooleanConstant() { |
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47 assertEquals(new IntegerStamp(32, false, 1, 1, 0x1, 0x1), ConstantNode.forBoolean(true, graph).stamp()); |
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48 assertEquals(new IntegerStamp(32, false, 0, 0, 0x0, 0x0), ConstantNode.forBoolean(false, graph).stamp()); |
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49 } |
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50 |
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51 @Test |
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52 public void testByteConstant() { |
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53 assertEquals(new IntegerStamp(32, false, 0, 0, 0x0, 0x0), ConstantNode.forByte((byte) 0, graph).stamp()); |
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54 assertEquals(new IntegerStamp(32, false, 16, 16, 0x10, 0x10), ConstantNode.forByte((byte) 16, graph).stamp()); |
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55 assertEquals(new IntegerStamp(32, false, -16, -16, 0xfffffff0L, 0xfffffff0L), ConstantNode.forByte((byte) -16, graph).stamp()); |
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56 assertEquals(new IntegerStamp(32, false, 127, 127, 0x7f, 0x7f), ConstantNode.forByte((byte) 127, graph).stamp()); |
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57 assertEquals(new IntegerStamp(32, false, -128, -128, 0xffffff80L, 0xffffff80L), ConstantNode.forByte((byte) -128, graph).stamp()); |
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58 } |
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59 |
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60 @Test |
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61 public void testShortConstant() { |
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62 assertEquals(new IntegerStamp(32, false, 0, 0, 0x0, 0x0), ConstantNode.forShort((short) 0, graph).stamp()); |
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63 assertEquals(new IntegerStamp(32, false, 128, 128, 0x80, 0x80), ConstantNode.forShort((short) 128, graph).stamp()); |
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64 assertEquals(new IntegerStamp(32, false, -128, -128, 0xffffff80L, 0xffffff80L), ConstantNode.forShort((short) -128, graph).stamp()); |
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65 assertEquals(new IntegerStamp(32, false, 32767, 32767, 0x7fff, 0x7fff), ConstantNode.forShort((short) 32767, graph).stamp()); |
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66 assertEquals(new IntegerStamp(32, false, -32768, -32768, 0xffff8000L, 0xffff8000L), ConstantNode.forShort((short) -32768, graph).stamp()); |
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67 } |
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68 |
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69 @Test |
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70 public void testCharConstant() { |
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71 assertEquals(new IntegerStamp(32, false, 0, 0, 0x0, 0x0), ConstantNode.forChar((char) 0, graph).stamp()); |
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72 assertEquals(new IntegerStamp(32, false, 'A', 'A', 'A', 'A'), ConstantNode.forChar('A', graph).stamp()); |
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73 assertEquals(new IntegerStamp(32, false, 128, 128, 0x80, 0x80), ConstantNode.forChar((char) 128, graph).stamp()); |
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74 assertEquals(new IntegerStamp(32, false, 65535, 65535, 0xffff, 0xffff), ConstantNode.forChar((char) 65535, graph).stamp()); |
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75 } |
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76 |
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77 @Test |
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78 public void testIntConstant() { |
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79 assertEquals(new IntegerStamp(32, false, 0, 0, 0x0, 0x0), ConstantNode.forInt(0, graph).stamp()); |
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80 assertEquals(new IntegerStamp(32, false, 128, 128, 0x80, 0x80), ConstantNode.forInt(128, graph).stamp()); |
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81 assertEquals(new IntegerStamp(32, false, -128, -128, 0xffffff80L, 0xffffff80L), ConstantNode.forInt(-128, graph).stamp()); |
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82 assertEquals(new IntegerStamp(32, false, Integer.MAX_VALUE, Integer.MAX_VALUE, 0x7fffffff, 0x7fffffff), ConstantNode.forInt(Integer.MAX_VALUE, graph).stamp()); |
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83 assertEquals(new IntegerStamp(32, false, Integer.MIN_VALUE, Integer.MIN_VALUE, 0x80000000L, 0x80000000L), ConstantNode.forInt(Integer.MIN_VALUE, graph).stamp()); |
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84 } |
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85 |
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86 @Test |
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87 public void testLongConstant() { |
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88 assertEquals(new IntegerStamp(64, false, 0, 0, 0x0, 0x0), ConstantNode.forLong(0, graph).stamp()); |
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89 assertEquals(new IntegerStamp(64, false, 128, 128, 0x80, 0x80), ConstantNode.forLong(128, graph).stamp()); |
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90 assertEquals(new IntegerStamp(64, false, -128, -128, 0xffffffffffffff80L, 0xffffffffffffff80L), ConstantNode.forLong(-128, graph).stamp()); |
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91 assertEquals(new IntegerStamp(64, false, Long.MAX_VALUE, Long.MAX_VALUE, 0x7fffffffffffffffL, 0x7fffffffffffffffL), ConstantNode.forLong(Long.MAX_VALUE, graph).stamp()); |
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92 assertEquals(new IntegerStamp(64, false, Long.MIN_VALUE, Long.MIN_VALUE, 0x8000000000000000L, 0x8000000000000000L), ConstantNode.forLong(Long.MIN_VALUE, graph).stamp()); |
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93 } |
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94 |
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95 @Test |
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96 public void testPositiveRanges() { |
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97 assertEquals(new IntegerStamp(32, false, 0, 0, 0, 0), StampFactory.forInteger(Kind.Int, 0, 0)); |
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98 assertEquals(new IntegerStamp(32, false, 0, 1, 0, 1), StampFactory.forInteger(Kind.Int, 0, 1)); |
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99 assertEquals(new IntegerStamp(32, false, 0, 0x123, 0, 0x1ff), StampFactory.forInteger(Kind.Int, 0, 0x123)); |
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100 assertEquals(new IntegerStamp(32, false, 0x120, 0x123, 0x120, 0x123), StampFactory.forInteger(Kind.Int, 0x120, 0x123)); |
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101 assertEquals(new IntegerStamp(32, false, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Int, 10000, 15000)); |
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102 assertEquals(new IntegerStamp(64, false, 0, 1, 0, 1), StampFactory.forInteger(Kind.Long, 0, 1)); |
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103 assertEquals(new IntegerStamp(64, false, 10000, 15000, 0x2000, 0x3fff), StampFactory.forInteger(Kind.Long, 10000, 15000)); |
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104 assertEquals(new IntegerStamp(64, false, 140000000000L, 150000000000L, 0x2000000000L, 0x23ffffffffL), StampFactory.forInteger(Kind.Long, 140000000000L, 150000000000L)); |
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105 } |
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106 |
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107 @Test |
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108 public void testNegativeRanges() { |
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109 assertEquals(new IntegerStamp(32, false, -2, -1, 0xfffffffeL, 0xffffffffL), StampFactory.forInteger(Kind.Int, -2, -1)); |
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110 assertEquals(new IntegerStamp(32, false, -20, -10, 0xffffffe0L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -20, -10)); |
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111 assertEquals(new IntegerStamp(32, false, -10000, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 0)); |
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112 assertEquals(new IntegerStamp(32, false, -10000, -1, 0xffffc000L, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, -1)); |
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113 assertEquals(new IntegerStamp(32, false, -10010, -10000, 0xffffd8e0L, 0xffffd8ffL), StampFactory.forInteger(Kind.Int, -10010, -10000)); |
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114 assertEquals(new IntegerStamp(64, false, -2, -1, 0xfffffffffffffffeL, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -2, -1)); |
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115 assertEquals(new IntegerStamp(64, false, -10010, -10000, 0xffffffffffffd8e0L, 0xffffffffffffd8ffL), StampFactory.forInteger(Kind.Long, -10010, -10000)); |
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116 assertEquals(new IntegerStamp(64, false, -150000000000L, -140000000000L, 0xffffffdc00000000L, 0xffffffdfffffffffL), StampFactory.forInteger(Kind.Long, -150000000000L, -140000000000L)); |
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117 } |
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118 |
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119 @Test |
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120 public void testMixedRanges() { |
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121 assertEquals(new IntegerStamp(32, false, -1, 0, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -1, 0)); |
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122 assertEquals(new IntegerStamp(32, false, -10000, 1000, 0, 0xffffffffL), StampFactory.forInteger(Kind.Int, -10000, 1000)); |
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123 assertEquals(new IntegerStamp(64, false, -10000, 1000, 0, 0xffffffffffffffffL), StampFactory.forInteger(Kind.Long, -10000, 1000)); |
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124 } |
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125 |
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126 @Test |
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127 public void testNarrowingConversions() { |
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128 // byte cases |
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129 assertEquals(StampFactory.forInteger(Kind.Int, 0, 0), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 0, 0), Kind.Byte)); |
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130 assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 0, 10), Kind.Byte)); |
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131 assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 10, 20), Kind.Byte)); |
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132 assertEquals(StampFactory.forInteger(Kind.Int, -10, 0), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -10, 0), Kind.Byte)); |
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133 assertEquals(StampFactory.forInteger(Kind.Int, -20, -10), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -20, -10), Kind.Byte)); |
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134 assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 100, 200), Kind.Byte)); |
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135 assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -100, 200), Kind.Byte)); |
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136 assertEquals(StampFactory.forInteger(Kind.Int, Byte.MIN_VALUE, Byte.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -200, -100), Kind.Byte)); |
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137 // char cases |
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138 assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 0, 10), Kind.Char)); |
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139 assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 10, 20), Kind.Char)); |
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140 assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 20000, 80000), Kind.Char)); |
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141 assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -10000, 40000), Kind.Char)); |
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142 assertEquals(StampFactory.forInteger(Kind.Int, Character.MIN_VALUE, Character.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -40000, -10000), Kind.Char)); |
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143 // short cases |
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144 assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 0, 10), Kind.Short)); |
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145 assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 10, 20), Kind.Short)); |
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146 assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, 20000, 40000), Kind.Short)); |
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147 assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -10000, 40000), Kind.Short)); |
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148 assertEquals(StampFactory.forInteger(Kind.Int, Short.MIN_VALUE, Short.MAX_VALUE), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Int, -40000, -10000), Kind.Short)); |
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149 // int cases |
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150 assertEquals(StampFactory.forInteger(Kind.Int, 0, 10), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Long, 0, 10), Kind.Int)); |
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151 assertEquals(StampFactory.forInteger(Kind.Int, 10, 20), StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Long, 10, 20), Kind.Int)); |
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152 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), |
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153 StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Long, 20000000000L, 40000000000L), Kind.Int)); |
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154 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), |
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155 StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Long, -10000000000L, 40000000000L), Kind.Int)); |
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156 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE), |
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157 StampTool.narrowingKindConversion(StampFactory.forInteger(Kind.Long, -40000000000L, -10000000000L), Kind.Int)); |
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158 } |
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159 |
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160 @Test |
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161 public void testXor() { |
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162 assertEquals(new IntegerStamp(32, false, 0, 0xff, 0, 0xff), StampTool.xor(new IntegerStamp(32, false, 0, 0, 0, 0), new IntegerStamp(32, false, 0, 0xff, 0, 0xff))); |
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163 assertEquals(new IntegerStamp(32, false, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(32, false, 0, 0, 0, 0), new IntegerStamp(32, false, 0x10, 0x1f, 0x10, 0x1f))); |
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164 assertEquals(new IntegerStamp(32, false, 0x0, 0xf, 0x0, 0xf), StampTool.xor(new IntegerStamp(32, false, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(32, false, 0x10, 0x1f, 0x10, 0x1f))); |
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165 assertEquals(new IntegerStamp(32, false, 0x10, 0x1f, 0x10, 0x1f), StampTool.xor(new IntegerStamp(32, false, 0x10, 0x10, 0x10, 0x10), new IntegerStamp(32, false, 0x0, 0xf, 0x0, 0xf))); |
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166 } |
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167 |
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168 @Test |
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169 public void testNot() { |
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170 assertEquals(new IntegerStamp(32, false, -11, -1, 0xffff_fff0L, 0xffff_ffffL), StampTool.not(new IntegerStamp(32, false, 0, 10, 0, 0xf))); |
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171 } |
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172 |
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173 @Test |
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174 public void testAddIntSimple() { |
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175 assertEquals(StampFactory.forInteger(Kind.Int, 0, 30, 0, 31), StampTool.add(StampFactory.forInteger(Kind.Int, 0, 10), StampFactory.forInteger(Kind.Int, 0, 20))); |
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176 } |
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177 |
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178 @Test |
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179 public void testAddNegativeOverFlowInt1() { |
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180 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE, 0, 0xffff_ffffL), |
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181 StampTool.add(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, 0), StampFactory.forInteger(Kind.Int, -1, 0))); |
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182 } |
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183 |
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184 @Test |
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185 public void testAddNegativeOverFlowInt2() { |
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186 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MAX_VALUE - 2, Integer.MAX_VALUE, 0x7fff_fffcL, 0x7fff_ffffL), |
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187 StampTool.add(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MIN_VALUE + 1), StampFactory.forInteger(Kind.Int, -3, -2))); |
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188 } |
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189 |
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190 @Test |
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191 public void testAddPositiveOverFlowInt1() { |
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192 assertEquals(StampFactory.forKind(Kind.Int), StampTool.add(StampFactory.forInteger(Kind.Int, 0, 1), StampFactory.forInteger(Kind.Int, 0, Integer.MAX_VALUE))); |
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193 } |
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194 |
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195 @Test |
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196 public void testAddPositiveOverFlowInt2() { |
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197 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MIN_VALUE + 2), |
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198 StampTool.add(StampFactory.forInteger(Kind.Int, Integer.MAX_VALUE - 1, Integer.MAX_VALUE), StampFactory.forInteger(Kind.Int, 2, 3))); |
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199 } |
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200 |
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201 @Test |
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202 public void testAddOverFlowsInt() { |
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203 assertEquals(StampFactory.forKind(Kind.Int), StampTool.add(StampFactory.forInteger(Kind.Int, -1, 1), StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE, Integer.MAX_VALUE))); |
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204 } |
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205 |
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206 @Test |
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207 public void testAddLongSimple() { |
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208 assertEquals(StampFactory.forInteger(Kind.Long, 0, 30, 0, 31), StampTool.add(StampFactory.forInteger(Kind.Long, 0, 10), StampFactory.forInteger(Kind.Long, 0, 20))); |
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209 } |
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210 |
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211 @Test |
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212 public void testAddNegativOverFlowLong1() { |
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213 assertEquals(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MAX_VALUE, 0, 0xffff_ffff_ffff_ffffL), |
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214 StampTool.add(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE + 1), StampFactory.forInteger(Kind.Long, Integer.MIN_VALUE, Integer.MAX_VALUE))); |
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215 } |
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216 |
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217 @Test |
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218 public void testAddNegativeOverFlowLong2() { |
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219 assertEquals(StampFactory.forInteger(Kind.Long, Long.MAX_VALUE - 2, Long.MAX_VALUE), |
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220 StampTool.add(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE + 1), StampFactory.forInteger(Kind.Long, -3, -2))); |
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221 } |
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222 |
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223 @Test |
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224 public void testAddPositiveOverFlowLong1() { |
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225 assertEquals(StampFactory.forKind(Kind.Long), StampTool.add(StampFactory.forInteger(Kind.Long, 0, 1), StampFactory.forInteger(Kind.Long, 0, Long.MAX_VALUE))); |
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226 } |
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227 |
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228 @Test |
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229 public void testAddPositiveOverFlowLong2() { |
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230 assertEquals(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MIN_VALUE + 2), |
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231 StampTool.add(StampFactory.forInteger(Kind.Long, Long.MAX_VALUE - 1, Long.MAX_VALUE), StampFactory.forInteger(Kind.Long, 2, 3))); |
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232 } |
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233 |
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234 @Test |
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235 public void testAddOverFlowsLong() { |
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236 assertEquals(StampFactory.forKind(Kind.Long), StampTool.add(StampFactory.forInteger(Kind.Long, -1, 1), StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MAX_VALUE))); |
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237 } |
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238 |
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239 @Test |
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240 public void testAdd1() { |
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241 assertEquals(StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE + 1, 31 + (Integer.MIN_VALUE + 1)), |
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242 StampTool.add(StampFactory.forInteger(Kind.Int, 0, 31), StampFactory.forInteger(Kind.Int, Integer.MIN_VALUE + 1, Integer.MIN_VALUE + 1))); |
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243 } |
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244 |
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245 @Test |
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246 public void testAdd2() { |
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247 assertEquals(StampFactory.forInteger(Kind.Int, 0x8000_007e, 0x8000_007f, 0x8000_007eL, 0x8000_007fL), |
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248 StampTool.add(StampFactory.forInteger(Kind.Int, 0x7fff_fffe, 0x7fff_ffff, 0x7fff_fffeL, 0x7ffff_fffL), StampFactory.forInteger(Kind.Int, 128, 128))); |
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249 } |
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250 |
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251 @Test |
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252 public void testAdd3() { |
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253 assertEquals(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MAX_VALUE - 1, 0, 0xffff_ffff_ffff_fffeL), |
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254 StampTool.add(StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MAX_VALUE - 1, 0, 0xffff_ffff_ffff_fffeL), |
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255 StampFactory.forInteger(Kind.Long, Long.MIN_VALUE, Long.MAX_VALUE - 1, 0, 0xffff_ffff_ffff_fffeL))); |
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256 |
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257 } |
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258 |
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259 @Test |
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260 public void testAnd() { |
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261 assertEquals(new IntegerStamp(32, false, Integer.MIN_VALUE, 0x40000000L, 0, 0xc0000000L), StampTool.and(StampFactory.forKind(Kind.Int), StampFactory.forConstant(Constant.forInt(0xc0000000)))); |
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262 } |
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263 |
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264 private static void testSignExtendShort(long lower, long upper) { |
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265 Stamp shortStamp = StampFactory.forInteger(16, false, lower, upper); |
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266 Stamp intStamp = StampTool.signExtend(shortStamp, 32); |
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267 assertEquals(StampFactory.forInteger(32, false, lower, upper), intStamp); |
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268 } |
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269 |
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270 @Test |
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271 public void testSignExtend() { |
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272 testSignExtendShort(5, 7); |
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273 testSignExtendShort(0, 42); |
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274 testSignExtendShort(-42, -1); |
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275 testSignExtendShort(-42, 0); |
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276 testSignExtendShort(-1, 1); |
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277 testSignExtendShort(Short.MIN_VALUE, Short.MAX_VALUE); |
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278 } |
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279 |
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280 private static void testZeroExtendShort(long lower, long upper, long newLower, long newUpper) { |
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281 Stamp shortStamp = StampFactory.forInteger(16, false, lower, upper); |
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282 Stamp intStamp = StampTool.zeroExtend(shortStamp, 32); |
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283 assertEquals(StampFactory.forInteger(32, false, newLower, newUpper), intStamp); |
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284 } |
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285 |
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286 @Test |
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287 public void testZeroExtend() { |
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288 testZeroExtendShort(5, 7, 5, 7); |
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289 testZeroExtendShort(0, 42, 0, 42); |
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Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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290 testZeroExtendShort(-42, -1, 0xFFFF - 41, 0xFFFF); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
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291 testZeroExtendShort(-42, 0, 0, 0xFFFF); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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292 testZeroExtendShort(-1, 1, 0, 0xFFFF); |
0354f629431a
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293 testZeroExtendShort(Short.MIN_VALUE, Short.MAX_VALUE, 0, 0xFFFF); |
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parents:
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294 } |
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Bug fixes in StampTool.(zero|sign)Extend.
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295 |
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parents:
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296 private static void testSignExtendChar(long lower, long upper, long newLower, long newUpper) { |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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297 Stamp charStamp = StampFactory.forInteger(16, true, lower, upper); |
0354f629431a
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parents:
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298 Stamp uintStamp = StampTool.signExtend(charStamp, 32); |
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parents:
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299 assertEquals(StampFactory.forInteger(32, true, newLower, newUpper), uintStamp); |
0354f629431a
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parents:
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300 } |
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301 |
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302 @Test |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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303 public void testSignExtendUnsigned() { |
0354f629431a
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parents:
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304 testSignExtendChar(5, 7, 5, 7); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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305 testSignExtendChar(0, 42, 0, 42); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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306 testSignExtendChar(5, 0xF000, 5, 0xFFFFF000L); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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307 testSignExtendChar(0, 0xF000, 0, 0xFFFFF000L); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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308 testSignExtendChar(0xF000, Character.MAX_VALUE, 0xFFFFF000L, 0xFFFFFFFFL); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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309 testSignExtendChar(Character.MIN_VALUE, Character.MAX_VALUE, 0, 0xFFFFFFFFL); |
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parents:
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310 } |
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311 |
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parents:
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312 private static void testZeroExtendChar(long lower, long upper) { |
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313 Stamp charStamp = StampFactory.forInteger(16, true, lower, upper); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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314 Stamp uintStamp = StampTool.zeroExtend(charStamp, 32); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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315 assertEquals(StampFactory.forInteger(32, true, lower, upper), uintStamp); |
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parents:
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316 } |
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317 |
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318 @Test |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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319 public void testZeroExtendUnsigned() { |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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320 testZeroExtendChar(5, 7); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
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321 testZeroExtendChar(0, 42); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
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322 testZeroExtendChar(5, 0xF000); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
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323 testZeroExtendChar(0, 0xF000); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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324 testZeroExtendChar(0xF000, Character.MAX_VALUE); |
0354f629431a
Bug fixes in StampTool.(zero|sign)Extend.
Roland Schatz <roland.schatz@oracle.com>
parents:
13999
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325 testZeroExtendChar(Character.MIN_VALUE, Character.MAX_VALUE); |
0354f629431a
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Roland Schatz <roland.schatz@oracle.com>
parents:
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326 } |
10723
097a634b57b1
fix stamps for constants of boolean, byte, char and short type, add tests
Lukas Stadler <lukas.stadler@jku.at>
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327 } |