1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dot.junit.opcodes.ushr_int; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.ushr_int.d.T_ushr_int_1; 22 import dot.junit.opcodes.ushr_int.d.T_ushr_int_5; 23 24 public class Test_ushr_int extends DxTestCase { 25 /** 26 * @title 15 >> 1 27 */ 28 public void testN1() { 29 T_ushr_int_1 t = new T_ushr_int_1(); 30 assertEquals(7, t.run(15, 1)); 31 } 32 33 /** 34 * @title 33 >> 2 35 */ 36 public void testN2() { 37 T_ushr_int_1 t = new T_ushr_int_1(); 38 assertEquals(8, t.run(33, 2)); 39 } 40 41 /** 42 * @title -15 >> 1 43 */ 44 public void testN3() { 45 T_ushr_int_1 t = new T_ushr_int_1(); 46 assertEquals(0x7FFFFFF8, t.run(-15, 1)); 47 } 48 49 /** 50 * @title Arguments = 1 & -1 51 */ 52 public void testN4() { 53 T_ushr_int_1 t = new T_ushr_int_1(); 54 assertEquals(0, t.run(1, -1)); 55 } 56 57 /** 58 * @title Verify that shift distance is actually in range 0 to 32. 59 */ 60 public void testN5() { 61 T_ushr_int_1 t = new T_ushr_int_1(); 62 assertEquals(16, t.run(33, 33)); 63 } 64 65 66 /** 67 * @title Arguments = 0 & -1 68 */ 69 public void testB1() { 70 T_ushr_int_1 t = new T_ushr_int_1(); 71 assertEquals(0, t.run(0, -1)); 72 } 73 74 /** 75 * @title Arguments = Integer.MAX_VALUE & 1 76 */ 77 public void testB2() { 78 T_ushr_int_1 t = new T_ushr_int_1(); 79 assertEquals(0x3FFFFFFF, t.run(Integer.MAX_VALUE, 1)); 80 } 81 82 /** 83 * @title Arguments = Integer.MIN_VALUE & 1 84 */ 85 public void testB3() { 86 T_ushr_int_1 t = new T_ushr_int_1(); 87 assertEquals(0x40000000, t.run(Integer.MIN_VALUE, 1)); 88 } 89 90 /** 91 * @title Arguments = 1 & 0 92 */ 93 public void testB4() { 94 T_ushr_int_1 t = new T_ushr_int_1(); 95 assertEquals(1, t.run(1, 0)); 96 } 97 98 99 100 /** 101 * @constraint B1 102 * @title types of arguments - double, int 103 */ 104 public void testVFE1() { 105 try { 106 Class.forName("dot.junit.opcodes.ushr_int.d.T_ushr_int_2"); 107 fail("expected a verification exception"); 108 } catch (Throwable t) { 109 DxUtil.checkVerifyException(t); 110 } 111 } 112 113 /** 114 * @constraint B1 115 * @title types of arguments - int, long 116 */ 117 public void testVFE2() { 118 try { 119 Class.forName("dot.junit.opcodes.ushr_int.d.T_ushr_int_3"); 120 fail("expected a verification exception"); 121 } catch (Throwable t) { 122 DxUtil.checkVerifyException(t); 123 } 124 } 125 126 /** 127 * @constraint B1 128 * @title types of arguments - reference, int 129 */ 130 public void testVFE3() { 131 try { 132 Class.forName("dot.junit.opcodes.ushr_int.d.T_ushr_int_4"); 133 fail("expected a verification exception"); 134 } catch (Throwable t) { 135 DxUtil.checkVerifyException(t); 136 } 137 } 138 139 /** 140 * @constraint A23 141 * @title number of registers 142 */ 143 public void testVFE4() { 144 try { 145 Class.forName("dot.junit.opcodes.ushr_int.d.T_ushr_int_6"); 146 fail("expected a verification exception"); 147 } catch (Throwable t) { 148 DxUtil.checkVerifyException(t); 149 } 150 } 151 152 /** 153 * @constraint B1 154 * @title Types of arguments - int, float. The verifier checks that ints 155 * and floats are not used interchangeably. 156 */ 157 public void testVFE5() { 158 try { 159 Class.forName("dot.junit.opcodes.ushr_int.d.T_ushr_int_5"); 160 fail("expected a verification exception"); 161 } catch (Throwable t) { 162 DxUtil.checkVerifyException(t); 163 } 164 } 165 166 } 167
