1 package dot.junit.opcodes.shl_int; 2 3 import dot.junit.DxTestCase; 4 import dot.junit.DxUtil; 5 import dot.junit.opcodes.shl_int.d.T_shl_int_1; 6 import dot.junit.opcodes.shl_int.d.T_shl_int_6; 7 8 public class Test_shl_int extends DxTestCase { 9 10 /** 11 * @title 15 << 1 12 */ testN1()13 public void testN1() { 14 T_shl_int_1 t = new T_shl_int_1(); 15 assertEquals(30, t.run(15, 1)); 16 } 17 18 /** 19 * @title 33 << 2 20 */ testN2()21 public void testN2() { 22 T_shl_int_1 t = new T_shl_int_1(); 23 assertEquals(132, t.run(33, 2)); 24 } 25 26 /** 27 * @title -15 << 1 28 */ testN3()29 public void testN3() { 30 T_shl_int_1 t = new T_shl_int_1(); 31 assertEquals(-30, t.run(-15, 1)); 32 } 33 34 /** 35 * @title Arguments = 1 & -1 36 */ testN4()37 public void testN4() { 38 T_shl_int_1 t = new T_shl_int_1(); 39 assertEquals(0x80000000, t.run(1, -1)); 40 } 41 42 /** 43 * @title Verify that shift distance is actually in range 0 to 32. 44 */ testN5()45 public void testN5() { 46 T_shl_int_1 t = new T_shl_int_1(); 47 assertEquals(66, t.run(33, 33)); 48 } 49 50 /** 51 * @title Types of arguments - float, float. Dalvik doens't distinguish 32-bits types internally, 52 * so this operation float parameters makes no sense but shall not crash the VM. 53 */ testN6()54 public void testN6() { 55 T_shl_int_6 t = new T_shl_int_6(); 56 try { 57 t.run(3.14f, 1.2f); 58 } catch (Throwable e) { 59 } 60 } 61 62 63 /** 64 * @title Arguments = 0 & -1 65 */ testB1()66 public void testB1() { 67 T_shl_int_1 t = new T_shl_int_1(); 68 assertEquals(0, t.run(0, -1)); 69 } 70 71 /** 72 * @title Arguments = Integer.MAX_VALUE & 1 73 */ testB2()74 public void testB2() { 75 T_shl_int_1 t = new T_shl_int_1(); 76 assertEquals(0xfffffffe, t.run(Integer.MAX_VALUE, 1)); 77 } 78 79 /** 80 * @title Arguments = Integer.MIN_VALUE & 1 81 */ testB3()82 public void testB3() { 83 T_shl_int_1 t = new T_shl_int_1(); 84 assertEquals(0, t.run(Integer.MIN_VALUE, 1)); 85 } 86 87 /** 88 * @title Arguments = 1 & 0 89 */ testB4()90 public void testB4() { 91 T_shl_int_1 t = new T_shl_int_1(); 92 assertEquals(1, t.run(1, 0)); 93 } 94 95 /** 96 * @constraint A23 97 * @title number of registers 98 */ testVFE1()99 public void testVFE1() { 100 try { 101 Class.forName("dot.junit.opcodes.shl_int.d.T_shl_int_2"); 102 fail("expected a verification exception"); 103 } catch (Throwable t) { 104 DxUtil.checkVerifyException(t); 105 } 106 } 107 108 109 110 /** 111 * @constraint B1 112 * @title types of arguments - double & int 113 */ testVFE2()114 public void testVFE2() { 115 try { 116 Class.forName("dot.junit.opcodes.shl_int.d.T_shl_int_3"); 117 fail("expected a verification exception"); 118 } catch (Throwable t) { 119 DxUtil.checkVerifyException(t); 120 } 121 } 122 123 /** 124 * @constraint B1 125 * @title types of arguments - long & int 126 */ testVFE3()127 public void testVFE3() { 128 try { 129 Class.forName("dot.junit.opcodes.shl_int.d.T_shl_int_4"); 130 fail("expected a verification exception"); 131 } catch (Throwable t) { 132 DxUtil.checkVerifyException(t); 133 } 134 } 135 136 /** 137 * @constraint B1 138 * @title types of arguments - reference & int 139 */ testVFE4()140 public void testVFE4() { 141 try { 142 Class.forName("dot.junit.opcodes.shl_int.d.T_shl_int_5"); 143 fail("expected a verification exception"); 144 } catch (Throwable t) { 145 DxUtil.checkVerifyException(t); 146 } 147 } 148 149 } 150