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// Copyright 2015 PDFium Authors. All rights reserved.
// 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 "testing/gtest/include/gtest/gtest.h"
TEST(fxcrt, FXSYS_HexCharToInt) {
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, FXSYS_DecimalCharToInt) {
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'));
}
TEST(fxcrt, FXSYS_isDecimalDigit) {
EXPECT_TRUE(FXSYS_isDecimalDigit('7'));
EXPECT_TRUE(FXSYS_isDecimalDigit(L'7'));
EXPECT_FALSE(FXSYS_isDecimalDigit('a'));
EXPECT_FALSE(FXSYS_isDecimalDigit(L'a'));
}
TEST(fxcrt, FX_HashCode_Ascii) {
EXPECT_EQ(0u, FX_HashCode_GetA("", false));
EXPECT_EQ(65u, FX_HashCode_GetA("A", false));
EXPECT_EQ(97u, FX_HashCode_GetA("A", true));
EXPECT_EQ(31 * 65u + 66u, FX_HashCode_GetA("AB", false));
}
TEST(fxcrt, FX_HashCode_Wide) {
EXPECT_EQ(0u, FX_HashCode_GetW(L"", false));
EXPECT_EQ(65u, FX_HashCode_GetW(L"A", false));
EXPECT_EQ(97u, FX_HashCode_GetW(L"A", true));
EXPECT_EQ(1313 * 65u + 66u, FX_HashCode_GetW(L"AB", false));
}
TEST(fxcrt, FXSYS_IntToTwoHexChars) {
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, FXSYS_IntToFourHexChars) {
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, FXSYS_ToUTF16BE) {
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);
}
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