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-rw-r--r--base/string_util_unittest.cc262
1 files changed, 4 insertions, 258 deletions
diff --git a/base/string_util_unittest.cc b/base/string_util_unittest.cc
index a70b03e..0ccea91 100644
--- a/base/string_util_unittest.cc
+++ b/base/string_util_unittest.cc
@@ -12,6 +12,8 @@
#include "base/string_util.h"
#include "testing/gtest/include/gtest/gtest.h"
+namespace base {
+
namespace {
// Given a null-terminated string of wchar_t with each wchar_t representing
@@ -424,264 +426,6 @@ TEST(StringUtilTest, ConvertMultiString) {
EXPECT_EQ(expected, converted);
}
-TEST(StringUtilTest, ConvertCodepageUTF8) {
- // Make sure WideToCodepage works like WideToUTF8.
- for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
- std::string expected(WideToUTF8(kConvertRoundtripCases[i]));
- std::string utf8;
- EXPECT_TRUE(WideToCodepage(kConvertRoundtripCases[i], kCodepageUTF8,
- OnStringUtilConversionError::SKIP, &utf8));
- EXPECT_EQ(expected, utf8);
- }
-}
-
-// kConverterCodepageCases is not comprehensive. There are a number of cases
-// to add if we really want to have a comprehensive coverage of various
-// codepages and their 'idiosyncrasies'. Currently, the only implementation
-// for CodepageTo* and *ToCodepage uses ICU, which has a very extensive
-// set of tests for the charset conversion. So, we can get away with a
-// relatively small number of cases listed below.
-//
-// Note about |u16_wide| in the following struct.
-// On Windows, the field is always identical to |wide|. On Mac and Linux,
-// it's identical as long as there's no character outside the
-// BMP (<= U+FFFF). When there is, it is different from |wide| and
-// is not a real wide string (UTF-32 string) in that each wchar_t in
-// the string is a UTF-16 code unit zero-extended to be 32-bit
-// even when the code unit belongs to a surrogate pair.
-// For instance, a Unicode string (U+0041 U+010000) is represented as
-// L"\x0041\xD800\xDC00" instead of L"\x0041\x10000".
-// To avoid the clutter, |u16_wide| will be set to NULL
-// if it's identical to |wide| on *all* platforms.
-
-static const struct {
- const char* codepage_name;
- const char* encoded;
- OnStringUtilConversionError::Type on_error;
- bool success;
- const wchar_t* wide;
- const wchar_t* u16_wide;
-} kConvertCodepageCases[] = {
- // Test a case where the input cannot be decoded, using SKIP, FAIL
- // and SUBSTITUTE error handling rules. "A7 41" is valid, but "A6" isn't.
- {"big5",
- "\xA7\x41\xA6",
- OnStringUtilConversionError::FAIL,
- false,
- L"",
- NULL},
- {"big5",
- "\xA7\x41\xA6",
- OnStringUtilConversionError::SKIP,
- true,
- L"\x4F60",
- NULL},
- {"big5",
- "\xA7\x41\xA6",
- OnStringUtilConversionError::SUBSTITUTE,
- true,
- L"\x4F60\xFFFD",
- NULL},
- // Arabic (ISO-8859)
- {"iso-8859-6",
- "\xC7\xEE\xE4\xD3\xF1\xEE\xE4\xC7\xE5\xEF" " "
- "\xD9\xEE\xE4\xEE\xEA\xF2\xE3\xEF\xE5\xF2",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x0627\x064E\x0644\x0633\x0651\x064E\x0644\x0627\x0645\x064F" L" "
- L"\x0639\x064E\x0644\x064E\x064A\x0652\x0643\x064F\x0645\x0652",
- NULL},
- // Chinese Simplified (GB2312)
- {"gb2312",
- "\xC4\xE3\xBA\xC3",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x4F60\x597D",
- NULL},
- // Chinese (GB18030) : 4 byte sequences mapped to BMP characters
- {"gb18030",
- "\x81\x30\x84\x36\xA1\xA7",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x00A5\x00A8",
- NULL},
- // Chinese (GB18030) : A 4 byte sequence mapped to plane 2 (U+20000)
- {"gb18030",
- "\x95\x32\x82\x36\xD2\xBB",
- OnStringUtilConversionError::FAIL,
- true,
-#if defined(WCHAR_T_IS_UTF16)
- L"\xD840\xDC00\x4E00",
-#else
- L"\x20000\x4E00",
-#endif
- L"\xD840\xDC00\x4E00"},
- {"big5",
- "\xA7\x41\xA6\x6E",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x4F60\x597D",
- NULL},
- // Greek (ISO-8859)
- {"iso-8859-7",
- "\xE3\xE5\xE9\xDC" " " "\xF3\xEF\xF5",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x03B3\x03B5\x03B9\x03AC" L" " L"\x03C3\x03BF\x03C5",
- NULL},
- // Hebrew (Windows)
- {"windows-1255",
- "\xF9\xD1\xC8\xEC\xE5\xC9\xED",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x05E9\x05C1\x05B8\x05DC\x05D5\x05B9\x05DD",
- NULL},
- // Hindi Devanagari (ISCII)
- {"iscii-dev",
- "\xEF\x42" "\xC6\xCC\xD7\xE8\xB3\xDA\xCF",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x0928\x092E\x0938\x094D\x0915\x093E\x0930",
- NULL},
- // Korean (EUC)
- {"euc-kr",
- "\xBE\xC8\xB3\xE7\xC7\xCF\xBC\xBC\xBF\xE4",
- OnStringUtilConversionError::FAIL,
- true,
- L"\xC548\xB155\xD558\xC138\xC694",
- NULL},
- // Japanese (EUC)
- {"euc-jp",
- "\xA4\xB3\xA4\xF3\xA4\xCB\xA4\xC1\xA4\xCF\xB0\xEC\x8F\xB0\xA1\x8E\xA6",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x3053\x3093\x306B\x3061\x306F\x4E00\x4E02\xFF66",
- NULL},
- // Japanese (ISO-2022)
- {"iso-2022-jp",
- "\x1B$B" "\x24\x33\x24\x73\x24\x4B\x24\x41\x24\x4F\x30\x6C" "\x1B(B"
- "ab" "\x1B(J" "\x5C\x7E#$" "\x1B(B",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x3053\x3093\x306B\x3061\x306F\x4E00" L"ab\x00A5\x203E#$",
- NULL},
- // Japanese (Shift-JIS)
- {"sjis",
- "\x82\xB1\x82\xF1\x82\xC9\x82\xBF\x82\xCD\x88\xEA\xA6",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x3053\x3093\x306B\x3061\x306F\x4E00\xFF66",
- NULL},
- // Russian (KOI8)
- {"koi8-r",
- "\xDA\xC4\xD2\xC1\xD7\xD3\xD4\xD7\xD5\xCA\xD4\xC5",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x0437\x0434\x0440\x0430\x0432\x0441\x0442\x0432"
- L"\x0443\x0439\x0442\x0435",
- NULL},
- // Thai (windows-874)
- {"windows-874",
- "\xCA\xC7\xD1\xCA\xB4\xD5" "\xA4\xC3\xD1\xBA",
- OnStringUtilConversionError::FAIL,
- true,
- L"\x0E2A\x0E27\x0E31\x0E2A\x0E14\x0E35"
- L"\x0E04\x0E23\x0e31\x0E1A",
- NULL},
-};
-
-TEST(StringUtilTest, ConvertBetweenCodepageAndWide) {
- for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kConvertCodepageCases); ++i) {
- std::wstring wide;
- bool success = CodepageToWide(kConvertCodepageCases[i].encoded,
- kConvertCodepageCases[i].codepage_name,
- kConvertCodepageCases[i].on_error,
- &wide);
- EXPECT_EQ(kConvertCodepageCases[i].success, success);
- EXPECT_EQ(kConvertCodepageCases[i].wide, wide);
-
- // When decoding was successful and nothing was skipped, we also check the
- // reverse conversion. Not all conversions are round-trippable, but
- // kConverterCodepageCases does not have any one-way conversion at the
- // moment.
- if (success &&
- kConvertCodepageCases[i].on_error ==
- OnStringUtilConversionError::FAIL) {
- std::string encoded;
- success = WideToCodepage(wide, kConvertCodepageCases[i].codepage_name,
- kConvertCodepageCases[i].on_error, &encoded);
- EXPECT_EQ(kConvertCodepageCases[i].success, success);
- EXPECT_EQ(kConvertCodepageCases[i].encoded, encoded);
- }
- }
-
- // The above cases handled codepage->wide errors, but not wide->codepage.
- // Test that here.
- std::string encoded("Temp data"); // Make sure the string gets cleared.
-
- // First test going to an encoding that can not represent that character.
- EXPECT_FALSE(WideToCodepage(L"Chinese\xff27", "iso-8859-1",
- OnStringUtilConversionError::FAIL, &encoded));
- EXPECT_TRUE(encoded.empty());
- EXPECT_TRUE(WideToCodepage(L"Chinese\xff27", "iso-8859-1",
- OnStringUtilConversionError::SKIP, &encoded));
- EXPECT_STREQ("Chinese", encoded.c_str());
- // From Unicode, SUBSTITUTE is the same as SKIP for now.
- EXPECT_TRUE(WideToCodepage(L"Chinese\xff27", "iso-8859-1",
- OnStringUtilConversionError::SUBSTITUTE,
- &encoded));
- EXPECT_STREQ("Chinese", encoded.c_str());
-
-#if defined(WCHAR_T_IS_UTF16)
- // When we're in UTF-16 mode, test an invalid UTF-16 character in the input.
- EXPECT_FALSE(WideToCodepage(L"a\xd800z", "iso-8859-1",
- OnStringUtilConversionError::FAIL, &encoded));
- EXPECT_TRUE(encoded.empty());
- EXPECT_TRUE(WideToCodepage(L"a\xd800z", "iso-8859-1",
- OnStringUtilConversionError::SKIP, &encoded));
- EXPECT_STREQ("az", encoded.c_str());
-#endif // WCHAR_T_IS_UTF16
-
- // Invalid characters should fail.
- EXPECT_TRUE(WideToCodepage(L"a\xffffz", "iso-8859-1",
- OnStringUtilConversionError::SKIP, &encoded));
- EXPECT_STREQ("az", encoded.c_str());
-
- // Invalid codepages should fail.
- EXPECT_FALSE(WideToCodepage(L"Hello, world", "awesome-8571-2",
- OnStringUtilConversionError::SKIP, &encoded));
-}
-
-TEST(StringUtilTest, ConvertBetweenCodepageAndUTF16) {
- for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kConvertCodepageCases); ++i) {
- string16 utf16;
- bool success = CodepageToUTF16(kConvertCodepageCases[i].encoded,
- kConvertCodepageCases[i].codepage_name,
- kConvertCodepageCases[i].on_error,
- &utf16);
- string16 utf16_expected;
- if (kConvertCodepageCases[i].u16_wide == NULL)
- utf16_expected = BuildString16(kConvertCodepageCases[i].wide);
- else
- utf16_expected = BuildString16(kConvertCodepageCases[i].u16_wide);
- EXPECT_EQ(kConvertCodepageCases[i].success, success);
- EXPECT_EQ(utf16_expected, utf16);
-
- // When decoding was successful and nothing was skipped, we also check the
- // reverse conversion. See also the corresponding comment in
- // ConvertBetweenCodepageAndWide.
- if (success &&
- kConvertCodepageCases[i].on_error ==
- OnStringUtilConversionError::FAIL) {
- std::string encoded;
- success = UTF16ToCodepage(utf16, kConvertCodepageCases[i].codepage_name,
- kConvertCodepageCases[i].on_error, &encoded);
- EXPECT_EQ(kConvertCodepageCases[i].success, success);
- EXPECT_EQ(kConvertCodepageCases[i].encoded, encoded);
- }
- }
-}
-
TEST(StringUtilTest, ConvertASCII) {
static const char* char_cases[] = {
"Google Video",
@@ -1800,3 +1544,5 @@ TEST(StringUtilTest, HexEncode) {
hex = HexEncode(bytes, sizeof(bytes));
EXPECT_EQ(hex.compare("01FF02FE038081"), 0);
}
+
+} // namaspace base