1 //===---------------------------------------------------------------------===// 2 // statistics_test - Unit tests for src/statistics.cc 3 //===---------------------------------------------------------------------===// 4 5 #include "../src/string_util.h" 6 #include "gtest/gtest.h" 7 8 namespace { 9 TEST(StringUtilTest, stoul) { 10 { 11 size_t pos = 0; 12 EXPECT_EQ(0ul, benchmark::stoul("0", &pos)); 13 EXPECT_EQ(1ul, pos); 14 } 15 { 16 size_t pos = 0; 17 EXPECT_EQ(7ul, benchmark::stoul("7", &pos)); 18 EXPECT_EQ(1ul, pos); 19 } 20 { 21 size_t pos = 0; 22 EXPECT_EQ(135ul, benchmark::stoul("135", &pos)); 23 EXPECT_EQ(3ul, pos); 24 } 25 #if ULONG_MAX == 0xFFFFFFFFul 26 { 27 size_t pos = 0; 28 EXPECT_EQ(0xFFFFFFFFul, benchmark::stoul("4294967295", &pos)); 29 EXPECT_EQ(10ul, pos); 30 } 31 #elif ULONG_MAX == 0xFFFFFFFFFFFFFFFFul 32 { 33 size_t pos = 0; 34 EXPECT_EQ(0xFFFFFFFFFFFFFFFFul, benchmark::stoul("18446744073709551615", &pos)); 35 EXPECT_EQ(20ul, pos); 36 } 37 #endif 38 { 39 size_t pos = 0; 40 EXPECT_EQ(10ul, benchmark::stoul("1010", &pos, 2)); 41 EXPECT_EQ(4ul, pos); 42 } 43 { 44 size_t pos = 0; 45 EXPECT_EQ(520ul, benchmark::stoul("1010", &pos, 8)); 46 EXPECT_EQ(4ul, pos); 47 } 48 { 49 size_t pos = 0; 50 EXPECT_EQ(1010ul, benchmark::stoul("1010", &pos, 10)); 51 EXPECT_EQ(4ul, pos); 52 } 53 { 54 size_t pos = 0; 55 EXPECT_EQ(4112ul, benchmark::stoul("1010", &pos, 16)); 56 EXPECT_EQ(4ul, pos); 57 } 58 { 59 size_t pos = 0; 60 EXPECT_EQ(0xBEEFul, benchmark::stoul("BEEF", &pos, 16)); 61 EXPECT_EQ(4ul, pos); 62 } 63 { 64 ASSERT_THROW(benchmark::stoul("this is a test"), std::invalid_argument); 65 } 66 } 67 68 TEST(StringUtilTest, stoi) { 69 { 70 size_t pos = 0; 71 EXPECT_EQ(0, benchmark::stoi("0", &pos)); 72 EXPECT_EQ(1ul, pos); 73 } 74 { 75 size_t pos = 0; 76 EXPECT_EQ(-17, benchmark::stoi("-17", &pos)); 77 EXPECT_EQ(3ul, pos); 78 } 79 { 80 size_t pos = 0; 81 EXPECT_EQ(1357, benchmark::stoi("1357", &pos)); 82 EXPECT_EQ(4ul, pos); 83 } 84 { 85 size_t pos = 0; 86 EXPECT_EQ(10, benchmark::stoi("1010", &pos, 2)); 87 EXPECT_EQ(4ul, pos); 88 } 89 { 90 size_t pos = 0; 91 EXPECT_EQ(520, benchmark::stoi("1010", &pos, 8)); 92 EXPECT_EQ(4ul, pos); 93 } 94 { 95 size_t pos = 0; 96 EXPECT_EQ(1010, benchmark::stoi("1010", &pos, 10)); 97 EXPECT_EQ(4ul, pos); 98 } 99 { 100 size_t pos = 0; 101 EXPECT_EQ(4112, benchmark::stoi("1010", &pos, 16)); 102 EXPECT_EQ(4ul, pos); 103 } 104 { 105 size_t pos = 0; 106 EXPECT_EQ(0xBEEF, benchmark::stoi("BEEF", &pos, 16)); 107 EXPECT_EQ(4ul, pos); 108 } 109 { 110 ASSERT_THROW(benchmark::stoi("this is a test"), std::invalid_argument); 111 } 112 } 113 114 TEST(StringUtilTest, stod) { 115 { 116 size_t pos = 0; 117 EXPECT_EQ(0.0, benchmark::stod("0", &pos)); 118 EXPECT_EQ(1ul, pos); 119 } 120 { 121 size_t pos = 0; 122 EXPECT_EQ(-84.0, benchmark::stod("-84", &pos)); 123 EXPECT_EQ(3ul, pos); 124 } 125 { 126 size_t pos = 0; 127 EXPECT_EQ(1234.0, benchmark::stod("1234", &pos)); 128 EXPECT_EQ(4ul, pos); 129 } 130 { 131 size_t pos = 0; 132 EXPECT_EQ(1.5, benchmark::stod("1.5", &pos)); 133 EXPECT_EQ(3ul, pos); 134 } 135 { 136 size_t pos = 0; 137 /* Note: exactly representable as double */ 138 EXPECT_EQ(-1.25e+9, benchmark::stod("-1.25e+9", &pos)); 139 EXPECT_EQ(8ul, pos); 140 } 141 { 142 ASSERT_THROW(benchmark::stod("this is a test"), std::invalid_argument); 143 } 144 } 145 146 } // end namespace 147
