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.double_to_float; 18 19 import dot.junit.DxTestCase; 20 import dot.junit.DxUtil; 21 import dot.junit.opcodes.double_to_float.d.T_double_to_float_1; 22 import dot.junit.opcodes.double_to_float.d.T_double_to_float_3; 23 24 public class Test_double_to_float extends DxTestCase { 25 /** 26 * @title Argument = 2.71 27 */ testN1()28 public void testN1() { 29 T_double_to_float_1 t = new T_double_to_float_1(); 30 assertEquals(2.71f, t.run(2.71d)); 31 } 32 33 /** 34 * @title Argument = 1 35 */ testN2()36 public void testN2() { 37 T_double_to_float_1 t = new T_double_to_float_1(); 38 assertEquals(1f, t.run(1d)); 39 } 40 41 /** 42 * @title Argument = -1 43 */ testN3()44 public void testN3() { 45 T_double_to_float_1 t = new T_double_to_float_1(); 46 assertEquals(-1f, t.run(-1d)); 47 } 48 49 /** 50 * @title Type of argument - long. Dalvik doens't distinguish 64-bits types internally, 51 * so this conversion of long to float makes no sense but shall not crash the VM. 52 */ testN4()53 public void testN4() { 54 T_double_to_float_3 t = new T_double_to_float_3(); 55 try { 56 t.run(12345l); 57 } catch (Throwable e) { 58 } 59 } 60 61 /** 62 * @title Argument = Double.MAX_VALUE 63 */ testB1()64 public void testB1() { 65 T_double_to_float_1 t = new T_double_to_float_1(); 66 assertEquals(Float.POSITIVE_INFINITY, t.run(Double.MAX_VALUE)); 67 } 68 69 /** 70 * @title Argument = Double.MIN_VALUE 71 */ testB2()72 public void testB2() { 73 T_double_to_float_1 t = new T_double_to_float_1(); 74 assertEquals(0f, t.run(Double.MIN_VALUE)); 75 } 76 77 /** 78 * @title Argument = -0 79 */ testB3()80 public void testB3() { 81 T_double_to_float_1 t = new T_double_to_float_1(); 82 assertEquals(-0f, t.run(-0d)); 83 } 84 85 /** 86 * @title Argument = NaN 87 */ testB4()88 public void testB4() { 89 T_double_to_float_1 t = new T_double_to_float_1(); 90 assertTrue(Float.isNaN(t.run(Double.NaN))); 91 } 92 93 /** 94 * @title Argument = POSITIVE_INFINITY 95 */ testB5()96 public void testB5() { 97 T_double_to_float_1 t = new T_double_to_float_1(); 98 assertTrue(Float.isInfinite(t.run(Double.POSITIVE_INFINITY))); 99 } 100 101 /** 102 * @title Argument = NEGATIVE_INFINITY 103 */ testB6()104 public void testB6() { 105 T_double_to_float_1 t = new T_double_to_float_1(); 106 assertTrue(Float.isInfinite(t.run(Double.NEGATIVE_INFINITY))); 107 } 108 109 110 /** 111 * @title Argument = -Double.MIN_VALUE 112 */ testB7()113 public void testB7() { 114 T_double_to_float_1 t = new T_double_to_float_1(); 115 assertEquals(-0f, t.run(-4.9E-324d)); 116 } 117 118 119 /** 120 * @constraint B1 121 * @title type of argument - float 122 */ testVFE2()123 public void testVFE2() { 124 try { 125 Class.forName("dot.junit.opcodes.double_to_float.d.T_double_to_float_2"); 126 fail("expected a verification exception"); 127 } catch (Throwable t) { 128 DxUtil.checkVerifyException(t); 129 } 130 } 131 132 /** 133 * 134 * @constraint A24 135 * @title number of registers 136 */ testVFE3()137 public void testVFE3() { 138 try { 139 Class.forName("dot.junit.opcodes.double_to_float.d.T_double_to_float_5"); 140 fail("expected a verification exception"); 141 } catch (Throwable t) { 142 DxUtil.checkVerifyException(t); 143 } 144 } 145 146 /** 147 * 148 * @constraint B1 149 * @title type of argument - reference 150 */ testVFE4()151 public void testVFE4() { 152 try { 153 Class.forName("dot.junit.opcodes.double_to_float.d.T_double_to_float_4"); 154 fail("expected a verification exception"); 155 } catch (Throwable t) { 156 DxUtil.checkVerifyException(t); 157 } 158 } 159 160 /** 161 * 162 * @constraint B1 163 * @title type of argument - int 164 */ testVFE5()165 public void testVFE5() { 166 try { 167 Class.forName("dot.junit.opcodes.double_to_float.d.T_double_to_float_6"); 168 fail("expected a verification exception"); 169 } catch (Throwable t) { 170 DxUtil.checkVerifyException(t); 171 } 172 } 173 174 } 175