// Copyright 2015 The PDFium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "core/fxcrt/fx_extension.h" #include #include #include #include #include "core/fxcrt/compiler_specific.h" #include "testing/gtest/include/gtest/gtest.h" TEST(fxcrt, FXSYSIsLowerASCII) { EXPECT_TRUE(FXSYS_IsLowerASCII('a')); EXPECT_TRUE(FXSYS_IsLowerASCII(L'a')); EXPECT_TRUE(FXSYS_IsLowerASCII('b')); EXPECT_TRUE(FXSYS_IsLowerASCII(L'b')); EXPECT_TRUE(FXSYS_IsLowerASCII('y')); EXPECT_TRUE(FXSYS_IsLowerASCII(L'y')); EXPECT_TRUE(FXSYS_IsLowerASCII('z')); EXPECT_TRUE(FXSYS_IsLowerASCII(L'z')); EXPECT_FALSE(FXSYS_IsLowerASCII('`')); EXPECT_FALSE(FXSYS_IsLowerASCII(L'`')); EXPECT_FALSE(FXSYS_IsLowerASCII('{')); EXPECT_FALSE(FXSYS_IsLowerASCII(L'{')); EXPECT_FALSE(FXSYS_IsLowerASCII('Z')); EXPECT_FALSE(FXSYS_IsLowerASCII(L'Z')); EXPECT_FALSE(FXSYS_IsLowerASCII('7')); EXPECT_FALSE(FXSYS_IsLowerASCII(L'7')); EXPECT_FALSE(FXSYS_IsLowerASCII(static_cast(-78))); EXPECT_FALSE(FXSYS_IsLowerASCII(static_cast(0xb2))); } TEST(fxcrt, FXSYSIsUpperASCII) { EXPECT_TRUE(FXSYS_IsUpperASCII('A')); EXPECT_TRUE(FXSYS_IsUpperASCII(L'A')); EXPECT_TRUE(FXSYS_IsUpperASCII('B')); EXPECT_TRUE(FXSYS_IsUpperASCII(L'B')); EXPECT_TRUE(FXSYS_IsUpperASCII('Y')); EXPECT_TRUE(FXSYS_IsUpperASCII(L'Y')); EXPECT_TRUE(FXSYS_IsUpperASCII('Z')); EXPECT_TRUE(FXSYS_IsUpperASCII(L'Z')); EXPECT_FALSE(FXSYS_IsUpperASCII('@')); EXPECT_FALSE(FXSYS_IsUpperASCII(L'@')); EXPECT_FALSE(FXSYS_IsUpperASCII('[')); EXPECT_FALSE(FXSYS_IsUpperASCII(L'[')); EXPECT_FALSE(FXSYS_IsUpperASCII('z')); EXPECT_FALSE(FXSYS_IsUpperASCII(L'z')); EXPECT_FALSE(FXSYS_IsUpperASCII('7')); EXPECT_FALSE(FXSYS_IsUpperASCII(L'7')); EXPECT_FALSE(FXSYS_IsUpperASCII(static_cast(-78))); EXPECT_FALSE(FXSYS_IsUpperASCII(static_cast(0xb2))); } TEST(fxcrt, FXSYSHexCharToInt) { EXPECT_EQ(10, FXSYS_HexCharToInt('a')); EXPECT_EQ(10, FXSYS_HexCharToInt('A')); EXPECT_EQ(7, FXSYS_HexCharToInt('7')); EXPECT_EQ(0, FXSYS_HexCharToInt('i')); } TEST(fxcrt, FXSYSDecimalCharToInt) { EXPECT_EQ(7, FXSYS_DecimalCharToInt('7')); EXPECT_EQ(0, FXSYS_DecimalCharToInt('a')); EXPECT_EQ(7, FXSYS_DecimalCharToInt(L'7')); EXPECT_EQ(0, FXSYS_DecimalCharToInt(L'a')); EXPECT_EQ(0, FXSYS_DecimalCharToInt(static_cast(-78))); EXPECT_EQ(0, FXSYS_DecimalCharToInt(static_cast(0xb2))); } TEST(fxcrt, FXSYSIsDecimalDigit) { EXPECT_TRUE(FXSYS_IsDecimalDigit('7')); EXPECT_TRUE(FXSYS_IsDecimalDigit(L'7')); EXPECT_FALSE(FXSYS_IsDecimalDigit('a')); EXPECT_FALSE(FXSYS_IsDecimalDigit(L'a')); EXPECT_FALSE(FXSYS_IsDecimalDigit(static_cast(-78))); EXPECT_FALSE(FXSYS_IsDecimalDigit(static_cast(0xb2))); } TEST(fxcrt, FXSYSIntToTwoHexChars) { char buf[3] = {0}; FXSYS_IntToTwoHexChars(0x0, buf); EXPECT_STREQ("00", buf); FXSYS_IntToTwoHexChars(0x9, buf); EXPECT_STREQ("09", buf); FXSYS_IntToTwoHexChars(0xA, buf); EXPECT_STREQ("0A", buf); FXSYS_IntToTwoHexChars(0x8C, buf); EXPECT_STREQ("8C", buf); FXSYS_IntToTwoHexChars(0xBE, buf); EXPECT_STREQ("BE", buf); FXSYS_IntToTwoHexChars(0xD0, buf); EXPECT_STREQ("D0", buf); FXSYS_IntToTwoHexChars(0xFF, buf); EXPECT_STREQ("FF", buf); } TEST(fxcrt, FXSYSIntToFourHexChars) { char buf[5] = {0}; FXSYS_IntToFourHexChars(0x0, buf); EXPECT_STREQ("0000", buf); FXSYS_IntToFourHexChars(0xA23, buf); EXPECT_STREQ("0A23", buf); FXSYS_IntToFourHexChars(0xB701, buf); EXPECT_STREQ("B701", buf); FXSYS_IntToFourHexChars(0xFFFF, buf); EXPECT_STREQ("FFFF", buf); } TEST(fxcrt, FXSYSToUTF16BE) { char buf[9] = {0}; // Test U+0000 to U+D7FF and U+E000 to U+FFFF EXPECT_EQ(4U, FXSYS_ToUTF16BE(0x0, buf)); EXPECT_STREQ("0000", buf); EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xD7FF, buf)); EXPECT_STREQ("D7FF", buf); EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xE000, buf)); EXPECT_STREQ("E000", buf); EXPECT_EQ(4U, FXSYS_ToUTF16BE(0xFFFF, buf)); EXPECT_STREQ("FFFF", buf); // Test U+10000 to U+10FFFF EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x10000, buf)); EXPECT_STREQ("D800DC00", buf); EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x10FFFF, buf)); EXPECT_STREQ("DBFFDFFF", buf); EXPECT_EQ(8U, FXSYS_ToUTF16BE(0x2003E, buf)); EXPECT_STREQ("D840DC3E", buf); } TEST(fxcrt, FXSYSwcstof) { size_t used_len = 0; EXPECT_FLOAT_EQ(-12.0f, FXSYS_wcstof(L"-12", &used_len)); EXPECT_EQ(3u, used_len); used_len = 0; EXPECT_FLOAT_EQ(12.0f, FXSYS_wcstof(L"+12", &used_len)); EXPECT_EQ(3u, used_len); used_len = 0; EXPECT_FLOAT_EQ(123.0f, FXSYS_wcstof(L" 123", &used_len)); EXPECT_EQ(4u, used_len); used_len = 0; EXPECT_FLOAT_EQ(123.0f, FXSYS_wcstof(L" 123 ", &used_len)); EXPECT_EQ(4u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.0f, FXSYS_wcstof(L" 1 2 3 ", &used_len)); EXPECT_EQ(2u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.5362f, FXSYS_wcstof(L"1.5362", &used_len)); EXPECT_EQ(6u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.0f, FXSYS_wcstof(L"1 .5362", &used_len)); EXPECT_EQ(1u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.0f, FXSYS_wcstof(L"1. 5362", &used_len)); EXPECT_EQ(2u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.5f, FXSYS_wcstof(L"1.5.3.6.2", &used_len)); EXPECT_EQ(3u, used_len); used_len = 0; EXPECT_FLOAT_EQ(0.875f, FXSYS_wcstof(L"0.875", &used_len)); EXPECT_EQ(5u, used_len); used_len = 0; EXPECT_FLOAT_EQ(5.56e-2f, FXSYS_wcstof(L"5.56e-2", &used_len)); EXPECT_EQ(7u, used_len); used_len = 0; EXPECT_FLOAT_EQ(1.234e10f, FXSYS_wcstof(L"1.234E10", &used_len)); EXPECT_EQ(8u, used_len); used_len = 0; EXPECT_TRUE(isinf(FXSYS_wcstof(L"1.234E100000000000000", &used_len))); EXPECT_EQ(21u, used_len); used_len = 0; EXPECT_FLOAT_EQ(0.0f, FXSYS_wcstof(L"1.234E-128", &used_len)); EXPECT_EQ(10u, used_len); // TODO(dsinclair): This should round as per IEEE 64-bit values. // EXPECT_EQ(L"123456789.01234567", FXSYS_wcstof(L"123456789.012345678")); used_len = 0; EXPECT_FLOAT_EQ(123456789.012345678f, FXSYS_wcstof(L"123456789.012345678", &used_len)); EXPECT_EQ(19u, used_len); // TODO(dsinclair): This is spec'd as rounding when > 16 significant digits // prior to the exponent. // EXPECT_EQ(100000000000000000, FXSYS_wcstof(L"99999999999999999")); used_len = 0; EXPECT_FLOAT_EQ(99999999999999999.0f, FXSYS_wcstof(L"99999999999999999", &used_len)); EXPECT_EQ(17u, used_len); // For https://crbug.com/pdfium/1217 EXPECT_FLOAT_EQ(0.0f, FXSYS_wcstof(L"e76", nullptr)); // Overflow to infinity. used_len = 0; EXPECT_TRUE(isinf(FXSYS_wcstof( L"88888888888888888888888888888888888888888888888888888888888888888888888" L"88888888888888888888888888888888888888888888888888888888888", &used_len))); EXPECT_EQ(130u, used_len); used_len = 0; EXPECT_TRUE(isinf(FXSYS_wcstof( L"-8888888888888888888888888888888888888888888888888888888888888888888888" L"888888888888888888888888888888888888888888888888888888888888", &used_len))); EXPECT_EQ(131u, used_len); } TEST(fxcrt, FXSYSSafeOps) { const float fMin = std::numeric_limits::min(); const float fMax = std::numeric_limits::max(); const float fInf = std::numeric_limits::infinity(); const float fNan = std::numeric_limits::quiet_NaN(); const float ascending[] = {fMin, 1.0f, 2.0f, fMax, fInf, fNan}; UNSAFE_TODO({ for (size_t i = 0; i < std::size(ascending); ++i) { for (size_t j = 0; j < std::size(ascending); ++j) { if (i == j) { EXPECT_TRUE(FXSYS_SafeEQ(ascending[i], ascending[j])) << " at " << i << " " << j; } else { EXPECT_FALSE(FXSYS_SafeEQ(ascending[i], ascending[j])) << " at " << i << " " << j; } if (i < j) { EXPECT_TRUE(FXSYS_SafeLT(ascending[i], ascending[j])) << " at " << i << " " << j; } else { EXPECT_FALSE(FXSYS_SafeLT(ascending[i], ascending[j])) << " at " << i << " " << j; } } } }); }