diff options
Diffstat (limited to 'test/gtest_unittest.cc')
| -rw-r--r-- | test/gtest_unittest.cc | 172 |
1 files changed, 146 insertions, 26 deletions
diff --git a/test/gtest_unittest.cc b/test/gtest_unittest.cc index 9f1cbe9..eecaf4e 100644 --- a/test/gtest_unittest.cc +++ b/test/gtest_unittest.cc @@ -101,6 +101,7 @@ using testing::TPRT_NONFATAL_FAILURE; using testing::TPRT_SUCCESS; using testing::UnitTest; using testing::internal::AppendUserMessage; +using testing::internal::CodePointToUtf8; using testing::internal::EqFailure; using testing::internal::FloatingPoint; using testing::internal::GTestFlagSaver; @@ -111,8 +112,8 @@ using testing::internal::StreamableToString; using testing::internal::String; using testing::internal::TestProperty; using testing::internal::TestResult; -using testing::internal::ToUtf8String; using testing::internal::UnitTestImpl; +using testing::internal::WideStringToUtf8; // This line tests that we can define tests in an unnamed namespace. namespace { @@ -142,65 +143,184 @@ TEST(NullLiteralTest, IsFalseForNonNullLiterals) { } #endif // __SYMBIAN32__ -// Tests ToUtf8String(). +// +// Tests CodePointToUtf8(). // Tests that the NUL character L'\0' is encoded correctly. -TEST(ToUtf8StringTest, CanEncodeNul) { - EXPECT_STREQ("", ToUtf8String(L'\0').c_str()); +TEST(CodePointToUtf8Test, CanEncodeNul) { + char buffer[32]; + EXPECT_STREQ("", CodePointToUtf8(L'\0', buffer)); } // Tests that ASCII characters are encoded correctly. -TEST(ToUtf8StringTest, CanEncodeAscii) { - EXPECT_STREQ("a", ToUtf8String(L'a').c_str()); - EXPECT_STREQ("Z", ToUtf8String(L'Z').c_str()); - EXPECT_STREQ("&", ToUtf8String(L'&').c_str()); - EXPECT_STREQ("\x7F", ToUtf8String(L'\x7F').c_str()); +TEST(CodePointToUtf8Test, CanEncodeAscii) { + char buffer[32]; + EXPECT_STREQ("a", CodePointToUtf8(L'a', buffer)); + EXPECT_STREQ("Z", CodePointToUtf8(L'Z', buffer)); + EXPECT_STREQ("&", CodePointToUtf8(L'&', buffer)); + EXPECT_STREQ("\x7F", CodePointToUtf8(L'\x7F', buffer)); } // Tests that Unicode code-points that have 8 to 11 bits are encoded // as 110xxxxx 10xxxxxx. -TEST(ToUtf8StringTest, CanEncode8To11Bits) { +TEST(CodePointToUtf8Test, CanEncode8To11Bits) { + char buffer[32]; // 000 1101 0011 => 110-00011 10-010011 - EXPECT_STREQ("\xC3\x93", ToUtf8String(L'\xD3').c_str()); + EXPECT_STREQ("\xC3\x93", CodePointToUtf8(L'\xD3', buffer)); // 101 0111 0110 => 110-10101 10-110110 - EXPECT_STREQ("\xD5\xB6", ToUtf8String(L'\x576').c_str()); + EXPECT_STREQ("\xD5\xB6", CodePointToUtf8(L'\x576', buffer)); } // Tests that Unicode code-points that have 12 to 16 bits are encoded // as 1110xxxx 10xxxxxx 10xxxxxx. -TEST(ToUtf8StringTest, CanEncode12To16Bits) { +TEST(CodePointToUtf8Test, CanEncode12To16Bits) { + char buffer[32]; // 0000 1000 1101 0011 => 1110-0000 10-100011 10-010011 - EXPECT_STREQ("\xE0\xA3\x93", ToUtf8String(L'\x8D3').c_str()); + EXPECT_STREQ("\xE0\xA3\x93", CodePointToUtf8(L'\x8D3', buffer)); // 1100 0111 0100 1101 => 1110-1100 10-011101 10-001101 - EXPECT_STREQ("\xEC\x9D\x8D", ToUtf8String(L'\xC74D').c_str()); + EXPECT_STREQ("\xEC\x9D\x8D", CodePointToUtf8(L'\xC74D', buffer)); } -#if !defined(GTEST_OS_WINDOWS) && !defined(GTEST_OS_CYGWIN) && \ - !defined(__SYMBIAN32__) - +#ifndef GTEST_WIDE_STRING_USES_UTF16_ // Tests in this group require a wchar_t to hold > 16 bits, and thus // are skipped on Windows, Cygwin, and Symbian, where a wchar_t is -// 16-bit wide. +// 16-bit wide. This code may not compile on those systems. // Tests that Unicode code-points that have 17 to 21 bits are encoded // as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx. -TEST(ToUtf8StringTest, CanEncode17To21Bits) { +TEST(CodePointToUtf8Test, CanEncode17To21Bits) { + char buffer[32]; // 0 0001 0000 1000 1101 0011 => 11110-000 10-010000 10-100011 10-010011 - EXPECT_STREQ("\xF0\x90\xA3\x93", ToUtf8String(L'\x108D3').c_str()); + EXPECT_STREQ("\xF0\x90\xA3\x93", CodePointToUtf8(L'\x108D3', buffer)); + + // 0 0001 0000 0100 0000 0000 => 11110-000 10-010000 10-010000 10-000000 + EXPECT_STREQ("\xF0\x90\x90\x80", CodePointToUtf8(L'\x10400', buffer)); - // 1 0111 1000 0110 0011 0100 => 11110-101 10-111000 10-011000 10-110100 - EXPECT_STREQ("\xF5\xB8\x98\xB4", ToUtf8String(L'\x178634').c_str()); + // 1 0000 1000 0110 0011 0100 => 11110-100 10-001000 10-011000 10-110100 + EXPECT_STREQ("\xF4\x88\x98\xB4", CodePointToUtf8(L'\x108634', buffer)); } // Tests that encoding an invalid code-point generates the expected result. -TEST(ToUtf8StringTest, CanEncodeInvalidCodePoint) { +TEST(CodePointToUtf8Test, CanEncodeInvalidCodePoint) { + char buffer[32]; EXPECT_STREQ("(Invalid Unicode 0x1234ABCD)", - ToUtf8String(L'\x1234ABCD').c_str()); + CodePointToUtf8(L'\x1234ABCD', buffer)); +} + +#endif // GTEST_WIDE_STRING_USES_UTF16_ + +// Tests WideStringToUtf8(). + +// Tests that the NUL character L'\0' is encoded correctly. +TEST(WideStringToUtf8Test, CanEncodeNul) { + EXPECT_STREQ("", WideStringToUtf8(L"", 0).c_str()); + EXPECT_STREQ("", WideStringToUtf8(L"", -1).c_str()); +} + +// Tests that ASCII strings are encoded correctly. +TEST(WideStringToUtf8Test, CanEncodeAscii) { + EXPECT_STREQ("a", WideStringToUtf8(L"a", 1).c_str()); + EXPECT_STREQ("ab", WideStringToUtf8(L"ab", 2).c_str()); + EXPECT_STREQ("a", WideStringToUtf8(L"a", -1).c_str()); + EXPECT_STREQ("ab", WideStringToUtf8(L"ab", -1).c_str()); +} + +// Tests that Unicode code-points that have 8 to 11 bits are encoded +// as 110xxxxx 10xxxxxx. +TEST(WideStringToUtf8Test, CanEncode8To11Bits) { + // 000 1101 0011 => 110-00011 10-010011 + EXPECT_STREQ("\xC3\x93", WideStringToUtf8(L"\xD3", 1).c_str()); + EXPECT_STREQ("\xC3\x93", WideStringToUtf8(L"\xD3", -1).c_str()); + + // 101 0111 0110 => 110-10101 10-110110 + EXPECT_STREQ("\xD5\xB6", WideStringToUtf8(L"\x576", 1).c_str()); + EXPECT_STREQ("\xD5\xB6", WideStringToUtf8(L"\x576", -1).c_str()); +} + +// Tests that Unicode code-points that have 12 to 16 bits are encoded +// as 1110xxxx 10xxxxxx 10xxxxxx. +TEST(WideStringToUtf8Test, CanEncode12To16Bits) { + // 0000 1000 1101 0011 => 1110-0000 10-100011 10-010011 + EXPECT_STREQ("\xE0\xA3\x93", WideStringToUtf8(L"\x8D3", 1).c_str()); + EXPECT_STREQ("\xE0\xA3\x93", WideStringToUtf8(L"\x8D3", -1).c_str()); + + // 1100 0111 0100 1101 => 1110-1100 10-011101 10-001101 + EXPECT_STREQ("\xEC\x9D\x8D", WideStringToUtf8(L"\xC74D", 1).c_str()); + EXPECT_STREQ("\xEC\x9D\x8D", WideStringToUtf8(L"\xC74D", -1).c_str()); } -#endif // Windows, Cygwin, or Symbian +// Tests that the conversion stops when the function encounters \0 character. +TEST(WideStringToUtf8Test, StopsOnNulCharacter) { + EXPECT_STREQ("ABC", WideStringToUtf8(L"ABC\0XYZ", 100).c_str()); +} + +// Tests that the conversion stops when the function reaches the limit +// specified by the 'length' parameter. +TEST(WideStringToUtf8Test, StopsWhenLengthLimitReached) { + EXPECT_STREQ("ABC", WideStringToUtf8(L"ABCDEF", 3).c_str()); +} + + +#ifndef GTEST_WIDE_STRING_USES_UTF16_ +// Tests that Unicode code-points that have 17 to 21 bits are encoded +// as 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx. This code may not compile +// on the systems using UTF-16 encoding. +TEST(WideStringToUtf8Test, CanEncode17To21Bits) { + // 0 0001 0000 1000 1101 0011 => 11110-000 10-010000 10-100011 10-010011 + EXPECT_STREQ("\xF0\x90\xA3\x93", WideStringToUtf8(L"\x108D3", 1).c_str()); + EXPECT_STREQ("\xF0\x90\xA3\x93", WideStringToUtf8(L"\x108D3", -1).c_str()); + + // 1 0000 1000 0110 0011 0100 => 11110-100 10-001000 10-011000 10-110100 + EXPECT_STREQ("\xF4\x88\x98\xB4", WideStringToUtf8(L"\x108634", 1).c_str()); + EXPECT_STREQ("\xF4\x88\x98\xB4", WideStringToUtf8(L"\x108634", -1).c_str()); +} + +// Tests that encoding an invalid code-point generates the expected result. +TEST(WideStringToUtf8Test, CanEncodeInvalidCodePoint) { + EXPECT_STREQ("(Invalid Unicode 0xABCDFF)", + WideStringToUtf8(L"\xABCDFF", -1).c_str()); +} +#else +// Tests that surrogate pairs are encoded correctly on the systems using +// UTF-16 encoding in the wide strings. +TEST(WideStringToUtf8Test, CanEncodeValidUtf16SUrrogatePairs) { + EXPECT_STREQ("\xF0\x90\x90\x80", + WideStringToUtf8(L"\xD801\xDC00", -1).c_str()); +} + +// Tests that encoding an invalid UTF-16 surrogate pair +// generates the expected result. +TEST(WideStringToUtf8Test, CanEncodeInvalidUtf16SurrogatePair) { + // Leading surrogate is at the end of the string. + EXPECT_STREQ("\xED\xA0\x80", WideStringToUtf8(L"\xD800", -1).c_str()); + // Leading surrogate is not followed by the trailing surrogate. + EXPECT_STREQ("\xED\xA0\x80$", WideStringToUtf8(L"\xD800$", -1).c_str()); + // Trailing surrogate appearas without a leading surrogate. + EXPECT_STREQ("\xED\xB0\x80PQR", WideStringToUtf8(L"\xDC00PQR", -1).c_str()); +} +#endif // GTEST_WIDE_STRING_USES_UTF16_ + +// Tests that codepoint concatenation works correctly. +#ifndef GTEST_WIDE_STRING_USES_UTF16_ +TEST(WideStringToUtf8Test, ConcatenatesCodepointsCorrectly) { + EXPECT_STREQ( + "\xF4\x88\x98\xB4" + "\xEC\x9D\x8D" + "\n" + "\xD5\xB6" + "\xE0\xA3\x93" + "\xF4\x88\x98\xB4", + WideStringToUtf8(L"\x108634\xC74D\n\x576\x8D3\x108634", -1).c_str()); +} +#else +TEST(WideStringToUtf8Test, ConcatenatesCodepointsCorrectly) { + EXPECT_STREQ( + "\xEC\x9D\x8D" "\n" "\xD5\xB6" "\xE0\xA3\x93", + WideStringToUtf8(L"\xC74D\n\x576\x8D3", -1).c_str()); +} +#endif // GTEST_WIDE_STRING_USES_UTF16_ // Tests the List template class. |