1 // Copyright 2016, VIXL authors 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // * Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // * Neither the name of ARM Limited nor the names of its contributors may be 13 // used to endorse or promote products derived from this software without 14 // specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 #include "test-runner.h" 28 29 #include "utils-vixl.h" 30 31 #define TEST(name) TEST_(API_##name) 32 33 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 34 35 namespace vixl { 36 37 // Describe the result of a test. Should IsUintN() and IsIntN() return true or 38 // false for N and X? 39 template <typename T> 40 struct UintIntTest { 41 bool is_uintn; 42 bool is_intn; 43 unsigned n; 44 T x; 45 }; 46 47 // Test IsUintN() and IsIntN() against various values and integral types. 48 TEST(IsUint_IsInt) { 49 UintIntTest<uint32_t> test_little_values_unsigned[] = { 50 {true, true, 1, UINT32_C(0x0)}, {true, false, 1, UINT32_C(0x1)}, 51 {false, false, 1, UINT32_C(0x2)}, {false, false, 1, UINT32_C(0x3)}, 52 {false, false, 1, UINT32_C(0x4)}, {false, false, 1, UINT32_C(0x5)}, 53 {false, false, 1, UINT32_C(0x6)}, {false, false, 1, UINT32_C(0x7)}, 54 {false, false, 1, UINT32_C(0x8)}, {false, false, 1, UINT32_C(0x9)}, 55 {false, false, 1, UINT32_C(0xa)}, {false, false, 1, UINT32_C(0xb)}, 56 {false, false, 1, UINT32_C(0xc)}, {false, false, 1, UINT32_C(0xd)}, 57 {false, false, 1, UINT32_C(0xe)}, {false, false, 1, UINT32_C(0xf)}, 58 59 {true, true, 2, UINT32_C(0x0)}, {true, true, 2, UINT32_C(0x1)}, 60 {true, false, 2, UINT32_C(0x2)}, {true, false, 2, UINT32_C(0x3)}, 61 {false, false, 2, UINT32_C(0x4)}, {false, false, 2, UINT32_C(0x5)}, 62 {false, false, 2, UINT32_C(0x6)}, {false, false, 2, UINT32_C(0x7)}, 63 {false, false, 2, UINT32_C(0x8)}, {false, false, 2, UINT32_C(0x9)}, 64 {false, false, 2, UINT32_C(0xa)}, {false, false, 2, UINT32_C(0xb)}, 65 {false, false, 2, UINT32_C(0xc)}, {false, false, 2, UINT32_C(0xd)}, 66 {false, false, 2, UINT32_C(0xe)}, {false, false, 2, UINT32_C(0xf)}, 67 }; 68 69 UintIntTest<int32_t> test_little_values_signed[] = { 70 {true, true, 1, INT32_C(0)}, {true, false, 1, INT32_C(1)}, 71 {false, false, 1, INT32_C(2)}, {false, false, 1, INT32_C(3)}, 72 {false, false, 1, INT32_C(4)}, {false, false, 1, INT32_C(5)}, 73 {false, false, 1, INT32_C(6)}, {false, false, 1, INT32_C(7)}, 74 {false, true, 1, INT32_C(-1)}, {false, false, 1, INT32_C(-2)}, 75 {false, false, 1, INT32_C(-3)}, {false, false, 1, INT32_C(-4)}, 76 {false, false, 1, INT32_C(-5)}, {false, false, 1, INT32_C(-6)}, 77 {false, false, 1, INT32_C(-7)}, {false, false, 1, INT32_C(-8)}, 78 79 {true, true, 2, INT32_C(0)}, {true, true, 2, INT32_C(1)}, 80 {true, false, 2, INT32_C(2)}, {true, false, 2, INT32_C(3)}, 81 {false, false, 2, INT32_C(4)}, {false, false, 2, INT32_C(5)}, 82 {false, false, 2, INT32_C(6)}, {false, false, 2, INT32_C(7)}, 83 {false, true, 2, INT32_C(-1)}, {false, true, 2, INT32_C(-2)}, 84 {false, false, 2, INT32_C(-3)}, {false, false, 2, INT32_C(-4)}, 85 {false, false, 2, INT32_C(-5)}, {false, false, 2, INT32_C(-6)}, 86 {false, false, 2, INT32_C(-7)}, {false, false, 2, INT32_C(-8)}, 87 }; 88 89 UintIntTest<uint32_t> test_u16[] = { 90 {true, true, 16, UINT32_C(0x0)}, 91 {true, false, 16, UINT32_C(0xabcd)}, 92 {true, false, 16, UINT32_C(0x8000)}, 93 {true, false, 16, UINT32_C(0xffff)}, 94 {false, false, 16, UINT32_C(0x10000)}, 95 {false, false, 16, UINT32_C(0xffff0000)}, 96 {false, false, 16, UINT32_C(0xffff8000)}, 97 {false, false, 16, UINT32_C(0xffffffff)}, 98 }; 99 100 UintIntTest<int32_t> test_i16[] = { 101 {true, true, 16, INT32_C(0x0)}, 102 {true, false, 16, INT32_C(0xabcd)}, 103 {true, false, 16, INT32_C(0x8000)}, 104 {true, false, 16, INT32_C(0xffff)}, 105 {false, false, 16, INT32_C(0x10000)}, 106 {true, true, 16, INT32_C(42)}, 107 {false, true, 16, INT32_C(-42)}, 108 {false, true, 16, INT32_C(-1)}, 109 }; 110 111 UintIntTest<uint64_t> test_u32[] = { 112 {true, true, 32, UINT64_C(0x0)}, 113 {true, false, 32, UINT64_C(0xabcdabcd)}, 114 {true, false, 32, UINT64_C(0x80000000)}, 115 {true, false, 32, UINT64_C(0xffffffff)}, 116 }; 117 118 UintIntTest<int64_t> test_i32[] = { 119 {true, true, 32, INT64_C(0)}, 120 {true, true, 32, INT64_C(42)}, 121 {false, true, 32, INT64_C(-42)}, 122 {false, true, 32, INT64_C(-1)}, 123 {true, true, 32, INT64_C(2147483647)}, // (1 << (32 - 1)) - 1 124 {false, true, 32, INT64_C(-2147483648)}, // -(1 << (32 - 1)) 125 }; 126 127 UintIntTest<uint64_t> test_unsigned_higher_than_32[] = { 128 {false, false, 54, UINT64_C(0xabcdef9012345678)}, 129 {true, false, 33, UINT64_C(0x100000000)}, 130 {true, false, 62, UINT64_C(0x3fffffffffffffff)}, 131 {true, false, 63, UINT64_C(0x7fffffffffffffff)}, 132 }; 133 134 UintIntTest<int64_t> test_signed_higher_than_32[] = { 135 {true, true, 54, INT64_C(9007199254740991)}, // (1 << (54 - 1)) - 1 136 {true, false, 54, INT64_C(9007199254740992)}, // 1 << (54 - 1) 137 {true, true, 33, INT64_C(4294967295)}, // (1 << (33 - 1) - 1) 138 {false, true, 33, INT64_C(-4294967296)}, // -(1 << (33 - 1)) 139 }; 140 141 #define TEST_LIST(M) \ 142 M(test_little_values_unsigned) \ 143 M(test_little_values_signed) \ 144 M(test_u16) \ 145 M(test_i16) \ 146 M(test_u32) \ 147 M(test_i32) \ 148 M(test_unsigned_higher_than_32) \ 149 M(test_signed_higher_than_32) 150 151 152 #define TEST_UINT(test_vector) \ 153 for (unsigned i = 0; i < ARRAY_SIZE(test_vector); i++) { \ 154 if (test_vector[i].is_uintn) { \ 155 VIXL_CHECK(IsUintN(test_vector[i].n, test_vector[i].x)); \ 156 } else { \ 157 VIXL_CHECK(!IsUintN(test_vector[i].n, test_vector[i].x)); \ 158 } \ 159 } 160 161 #define TEST_INT(test_vector) \ 162 for (unsigned i = 0; i < ARRAY_SIZE(test_vector); i++) { \ 163 if (test_vector[i].is_intn) { \ 164 VIXL_CHECK(IsIntN(test_vector[i].n, test_vector[i].x)); \ 165 } else { \ 166 VIXL_CHECK(!IsIntN(test_vector[i].n, test_vector[i].x)); \ 167 } \ 168 } 169 170 TEST_LIST(TEST_UINT) 171 TEST_LIST(TEST_INT) 172 173 #undef TEST_UINT 174 #undef TEST_INT 175 176 #undef TEST_LIST 177 } 178 179 } // namespace vixl 180
