kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 1 | // Copyright 2015 The PDFium Authors |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 5 | #include "core/fxcrt/fx_extension.h" |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 6 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 7 | #include <math.h> |
| 8 | |
| 9 | #include <iterator> |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 10 | #include <limits> |
| 11 | |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 12 | #include "testing/gtest/include/gtest/gtest.h" |
| 13 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 14 | TEST(fxcrt, FXSYS_IsLowerASCII) { |
| 15 | EXPECT_TRUE(FXSYS_IsLowerASCII('a')); |
| 16 | EXPECT_TRUE(FXSYS_IsLowerASCII(L'a')); |
| 17 | EXPECT_TRUE(FXSYS_IsLowerASCII('b')); |
| 18 | EXPECT_TRUE(FXSYS_IsLowerASCII(L'b')); |
| 19 | EXPECT_TRUE(FXSYS_IsLowerASCII('y')); |
| 20 | EXPECT_TRUE(FXSYS_IsLowerASCII(L'y')); |
| 21 | EXPECT_TRUE(FXSYS_IsLowerASCII('z')); |
| 22 | EXPECT_TRUE(FXSYS_IsLowerASCII(L'z')); |
| 23 | EXPECT_FALSE(FXSYS_IsLowerASCII('`')); |
| 24 | EXPECT_FALSE(FXSYS_IsLowerASCII(L'`')); |
| 25 | EXPECT_FALSE(FXSYS_IsLowerASCII('{')); |
| 26 | EXPECT_FALSE(FXSYS_IsLowerASCII(L'{')); |
| 27 | EXPECT_FALSE(FXSYS_IsLowerASCII('Z')); |
| 28 | EXPECT_FALSE(FXSYS_IsLowerASCII(L'Z')); |
| 29 | EXPECT_FALSE(FXSYS_IsLowerASCII('7')); |
| 30 | EXPECT_FALSE(FXSYS_IsLowerASCII(L'7')); |
| 31 | EXPECT_FALSE(FXSYS_IsLowerASCII(static_cast<char>(-78))); |
| 32 | EXPECT_FALSE(FXSYS_IsLowerASCII(static_cast<wchar_t>(0xb2))); |
| 33 | } |
| 34 | |
| 35 | TEST(fxcrt, FXSYS_IsUpperASCII) { |
| 36 | EXPECT_TRUE(FXSYS_IsUpperASCII('A')); |
| 37 | EXPECT_TRUE(FXSYS_IsUpperASCII(L'A')); |
| 38 | EXPECT_TRUE(FXSYS_IsUpperASCII('B')); |
| 39 | EXPECT_TRUE(FXSYS_IsUpperASCII(L'B')); |
| 40 | EXPECT_TRUE(FXSYS_IsUpperASCII('Y')); |
| 41 | EXPECT_TRUE(FXSYS_IsUpperASCII(L'Y')); |
| 42 | EXPECT_TRUE(FXSYS_IsUpperASCII('Z')); |
| 43 | EXPECT_TRUE(FXSYS_IsUpperASCII(L'Z')); |
| 44 | EXPECT_FALSE(FXSYS_IsUpperASCII('@')); |
| 45 | EXPECT_FALSE(FXSYS_IsUpperASCII(L'@')); |
| 46 | EXPECT_FALSE(FXSYS_IsUpperASCII('[')); |
| 47 | EXPECT_FALSE(FXSYS_IsUpperASCII(L'[')); |
| 48 | EXPECT_FALSE(FXSYS_IsUpperASCII('z')); |
| 49 | EXPECT_FALSE(FXSYS_IsUpperASCII(L'z')); |
| 50 | EXPECT_FALSE(FXSYS_IsUpperASCII('7')); |
| 51 | EXPECT_FALSE(FXSYS_IsUpperASCII(L'7')); |
| 52 | EXPECT_FALSE(FXSYS_IsUpperASCII(static_cast<char>(-78))); |
| 53 | EXPECT_FALSE(FXSYS_IsUpperASCII(static_cast<wchar_t>(0xb2))); |
| 54 | } |
| 55 | |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 56 | TEST(fxcrt, FXSYS_HexCharToInt) { |
| 57 | EXPECT_EQ(10, FXSYS_HexCharToInt('a')); |
| 58 | EXPECT_EQ(10, FXSYS_HexCharToInt('A')); |
| 59 | EXPECT_EQ(7, FXSYS_HexCharToInt('7')); |
| 60 | EXPECT_EQ(0, FXSYS_HexCharToInt('i')); |
| 61 | } |
| 62 | |
| 63 | TEST(fxcrt, FXSYS_DecimalCharToInt) { |
| 64 | EXPECT_EQ(7, FXSYS_DecimalCharToInt('7')); |
| 65 | EXPECT_EQ(0, FXSYS_DecimalCharToInt('a')); |
| 66 | EXPECT_EQ(7, FXSYS_DecimalCharToInt(L'7')); |
| 67 | EXPECT_EQ(0, FXSYS_DecimalCharToInt(L'a')); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 68 | EXPECT_EQ(0, FXSYS_DecimalCharToInt(static_cast<char>(-78))); |
| 69 | EXPECT_EQ(0, FXSYS_DecimalCharToInt(static_cast<wchar_t>(0xb2))); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 70 | } |
| 71 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 72 | TEST(fxcrt, FXSYS_IsDecimalDigit) { |
| 73 | EXPECT_TRUE(FXSYS_IsDecimalDigit('7')); |
| 74 | EXPECT_TRUE(FXSYS_IsDecimalDigit(L'7')); |
| 75 | EXPECT_FALSE(FXSYS_IsDecimalDigit('a')); |
| 76 | EXPECT_FALSE(FXSYS_IsDecimalDigit(L'a')); |
| 77 | EXPECT_FALSE(FXSYS_IsDecimalDigit(static_cast<char>(-78))); |
| 78 | EXPECT_FALSE(FXSYS_IsDecimalDigit(static_cast<wchar_t>(0xb2))); |
Philip P. Moltmann | 4d3acf4 | 2017-03-20 11:05:52 -0700 | [diff] [blame] | 79 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 80 | |
| 81 | TEST(fxcrt, FXSYS_IntToTwoHexChars) { |
| 82 | char buf[3] = {0}; |
| 83 | FXSYS_IntToTwoHexChars(0x0, buf); |
| 84 | EXPECT_STREQ("00", buf); |
| 85 | FXSYS_IntToTwoHexChars(0x9, buf); |
| 86 | EXPECT_STREQ("09", buf); |
| 87 | FXSYS_IntToTwoHexChars(0xA, buf); |
| 88 | EXPECT_STREQ("0A", buf); |
| 89 | FXSYS_IntToTwoHexChars(0x8C, buf); |
| 90 | EXPECT_STREQ("8C", buf); |
| 91 | FXSYS_IntToTwoHexChars(0xBE, buf); |
| 92 | EXPECT_STREQ("BE", buf); |
| 93 | FXSYS_IntToTwoHexChars(0xD0, buf); |
| 94 | EXPECT_STREQ("D0", buf); |
| 95 | FXSYS_IntToTwoHexChars(0xFF, buf); |
| 96 | EXPECT_STREQ("FF", buf); |
| 97 | } |
| 98 | |
| 99 | TEST(fxcrt, FXSYS_IntToFourHexChars) { |
| 100 | char buf[5] = {0}; |
| 101 | FXSYS_IntToFourHexChars(0x0, buf); |
| 102 | EXPECT_STREQ("0000", buf); |
| 103 | FXSYS_IntToFourHexChars(0xA23, buf); |
| 104 | EXPECT_STREQ("0A23", buf); |
| 105 | FXSYS_IntToFourHexChars(0xB701, buf); |
| 106 | EXPECT_STREQ("B701", buf); |
| 107 | FXSYS_IntToFourHexChars(0xFFFF, buf); |
| 108 | EXPECT_STREQ("FFFF", buf); |
| 109 | } |
| 110 | |
| 111 | TEST(fxcrt, FXSYS_ToUTF16BE) { |
| 112 | char buf[9] = {0}; |
| 113 | // Test U+0000 to U+D7FF and U+E000 to U+FFFF |
| 114 | EXPECT_EQ(4U, FXSYS_ToUTF16BE(0x0, buf)); |
| 115 | EXPECT_STREQ("0000", buf); |
| 116 | EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xD7FF, buf)); |
| 117 | EXPECT_STREQ("D7FF", buf); |
| 118 | EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xE000, buf)); |
| 119 | EXPECT_STREQ("E000", buf); |
| 120 | EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xFFFF, buf)); |
| 121 | EXPECT_STREQ("FFFF", buf); |
| 122 | // Test U+10000 to U+10FFFF |
| 123 | EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x10000, buf)); |
| 124 | EXPECT_STREQ("D800DC00", buf); |
| 125 | EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x10FFFF, buf)); |
| 126 | EXPECT_STREQ("DBFFDFFF", buf); |
| 127 | EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x2003E, buf)); |
| 128 | EXPECT_STREQ("D840DC3E", buf); |
| 129 | } |
| 130 | |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 131 | TEST(fxcrt, FXSYS_wcstof) { |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 132 | size_t used_len = 0; |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 133 | EXPECT_FLOAT_EQ(-12.0f, FXSYS_wcstof(L"-12", 3, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 134 | EXPECT_EQ(3u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 135 | |
| 136 | used_len = 0; |
| 137 | EXPECT_FLOAT_EQ(1.5362f, FXSYS_wcstof(L"1.5362", 6, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 138 | EXPECT_EQ(6u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 139 | |
| 140 | used_len = 0; |
| 141 | EXPECT_FLOAT_EQ(0.875f, FXSYS_wcstof(L"0.875", 5, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 142 | EXPECT_EQ(5u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 143 | |
| 144 | used_len = 0; |
| 145 | EXPECT_FLOAT_EQ(5.56e-2f, FXSYS_wcstof(L"5.56e-2", 7, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 146 | EXPECT_EQ(7u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 147 | |
| 148 | used_len = 0; |
| 149 | EXPECT_FLOAT_EQ(1.234e10f, FXSYS_wcstof(L"1.234E10", 8, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 150 | EXPECT_EQ(8u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 151 | |
| 152 | used_len = 0; |
| 153 | EXPECT_FLOAT_EQ(0.0f, FXSYS_wcstof(L"1.234E100000000000000", 21, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 154 | EXPECT_EQ(0u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 155 | |
| 156 | used_len = 0; |
| 157 | EXPECT_FLOAT_EQ(0.0f, FXSYS_wcstof(L"1.234E-128", 21, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 158 | EXPECT_EQ(0u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 159 | |
| 160 | // TODO(dsinclair): This should round as per IEEE 64-bit values. |
| 161 | // EXPECT_EQ(L"123456789.01234567", FXSYS_wcstof(L"123456789.012345678")); |
| 162 | used_len = 0; |
| 163 | EXPECT_FLOAT_EQ(123456789.012345678f, |
| 164 | FXSYS_wcstof(L"123456789.012345678", 19, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 165 | EXPECT_EQ(19u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 166 | |
| 167 | // TODO(dsinclair): This is spec'd as rounding when > 16 significant digits |
| 168 | // prior to the exponent. |
| 169 | // EXPECT_EQ(100000000000000000, FXSYS_wcstof(L"99999999999999999")); |
| 170 | used_len = 0; |
| 171 | EXPECT_FLOAT_EQ(99999999999999999.0f, |
| 172 | FXSYS_wcstof(L"99999999999999999", 17, &used_len)); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 173 | EXPECT_EQ(17u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 174 | |
| 175 | // For https://crbug.com/pdfium/1217 |
| 176 | EXPECT_FLOAT_EQ(0.0f, FXSYS_wcstof(L"e76", 3, nullptr)); |
| 177 | |
| 178 | // Overflow to infinity. |
| 179 | used_len = 0; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 180 | EXPECT_TRUE(isinf(FXSYS_wcstof( |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 181 | L"88888888888888888888888888888888888888888888888888888888888888888888888" |
| 182 | L"88888888888888888888888888888888888888888888888888888888888", |
| 183 | 130, &used_len))); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 184 | EXPECT_EQ(130u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 185 | |
| 186 | used_len = 0; |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 187 | EXPECT_TRUE(isinf(FXSYS_wcstof( |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 188 | L"-8888888888888888888888888888888888888888888888888888888888888888888888" |
| 189 | L"888888888888888888888888888888888888888888888888888888888888", |
| 190 | 131, &used_len))); |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 191 | EXPECT_EQ(131u, used_len); |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | TEST(fxcrt, FXSYS_SafeOps) { |
| 195 | const float fMin = std::numeric_limits<float>::min(); |
| 196 | const float fMax = std::numeric_limits<float>::max(); |
| 197 | const float fInf = std::numeric_limits<float>::infinity(); |
| 198 | const float fNan = std::numeric_limits<float>::quiet_NaN(); |
| 199 | const float ascending[] = {fMin, 1.0f, 2.0f, fMax, fInf, fNan}; |
| 200 | |
kumarashishg | 826308d | 2023-06-23 13:21:22 +0000 | [diff] [blame] | 201 | for (size_t i = 0; i < std::size(ascending); ++i) { |
| 202 | for (size_t j = 0; j < std::size(ascending); ++j) { |
Haibo Huang | 49cc930 | 2020-04-27 16:14:24 -0700 | [diff] [blame] | 203 | if (i == j) { |
| 204 | EXPECT_TRUE(FXSYS_SafeEQ(ascending[i], ascending[j])) |
| 205 | << " at " << i << " " << j; |
| 206 | } else { |
| 207 | EXPECT_FALSE(FXSYS_SafeEQ(ascending[i], ascending[j])) |
| 208 | << " at " << i << " " << j; |
| 209 | } |
| 210 | if (i < j) { |
| 211 | EXPECT_TRUE(FXSYS_SafeLT(ascending[i], ascending[j])) |
| 212 | << " at " << i << " " << j; |
| 213 | } else { |
| 214 | EXPECT_FALSE(FXSYS_SafeLT(ascending[i], ascending[j])) |
| 215 | << " at " << i << " " << j; |
| 216 | } |
Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 217 | } |
| 218 | } |
| 219 | } |