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111
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1 #include <limits.h>
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2
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3 extern void abort ();
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4
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5 int test1(int x)
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6 {
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7 return x ^ INT_MIN;
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8 }
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9
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10 unsigned int test1u(unsigned int x)
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11 {
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12 return x ^ (unsigned int)INT_MIN;
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13 }
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14
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15 int test2(int x)
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16 {
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17 return x + INT_MIN;
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18 }
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19
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20 unsigned int test2u(unsigned int x)
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21 {
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22 return x + (unsigned int)INT_MIN;
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23 }
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24
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25 int test3(int x)
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26 {
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27 return x - INT_MIN;
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28 }
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29
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30 unsigned int test3u(unsigned int x)
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31 {
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32 return x - (unsigned int)INT_MIN;
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33 }
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34
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35 int test4(int x)
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36 {
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37 int y = INT_MIN;
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38 return x ^ y;
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39 }
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40
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41 unsigned int test4u(unsigned int x)
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42 {
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43 unsigned int y = (unsigned int)INT_MIN;
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44 return x ^ y;
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45 }
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46
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47 int test5(int x)
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48 {
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49 int y = INT_MIN;
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50 return x + y;
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51 }
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52
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53 unsigned int test5u(unsigned int x)
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54 {
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55 unsigned int y = (unsigned int)INT_MIN;
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56 return x + y;
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57 }
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58
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59 int test6(int x)
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60 {
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61 int y = INT_MIN;
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62 return x - y;
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63 }
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64
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65 unsigned int test6u(unsigned int x)
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66 {
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67 unsigned int y = (unsigned int)INT_MIN;
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68 return x - y;
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69 }
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70
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71
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72
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73 void test(int a, int b)
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74 {
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75 if (test1(a) != b)
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76 abort();
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77 if (test2(a) != b)
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78 abort();
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79 if (test3(a) != b)
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80 abort();
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81 if (test4(a) != b)
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82 abort();
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83 if (test5(a) != b)
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84 abort();
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85 if (test6(a) != b)
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86 abort();
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87 }
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88
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89 void testu(unsigned int a, unsigned int b)
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90 {
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91 if (test1u(a) != b)
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92 abort();
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93 if (test2u(a) != b)
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94 abort();
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95 if (test3u(a) != b)
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96 abort();
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97 if (test4u(a) != b)
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98 abort();
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99 if (test5u(a) != b)
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100 abort();
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101 if (test6u(a) != b)
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102 abort();
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103 }
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104
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105
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106 int main()
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107 {
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108 #if INT_MAX == 2147483647
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109 test(0x00000000,0x80000000);
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110 test(0x80000000,0x00000000);
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111 test(0x12345678,0x92345678);
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112 test(0x92345678,0x12345678);
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113 test(0x7fffffff,0xffffffff);
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114 test(0xffffffff,0x7fffffff);
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115
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116 testu(0x00000000,0x80000000);
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117 testu(0x80000000,0x00000000);
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118 testu(0x12345678,0x92345678);
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119 testu(0x92345678,0x12345678);
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120 testu(0x7fffffff,0xffffffff);
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121 testu(0xffffffff,0x7fffffff);
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122 #endif
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123
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124 #if INT_MAX == 32767
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125 test(0x0000,0x8000);
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126 test(0x8000,0x0000);
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127 test(0x1234,0x9234);
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128 test(0x9234,0x1234);
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129 test(0x7fff,0xffff);
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130 test(0xffff,0x7fff);
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131
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132 testu(0x0000,0x8000);
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133 testu(0x8000,0x0000);
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134 testu(0x1234,0x9234);
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135 testu(0x9234,0x1234);
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136 testu(0x7fff,0xffff);
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137 testu(0xffff,0x7fff);
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138 #endif
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139
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140 return 0;
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141 }
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142
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