Fix various problems with inline autocomplete and URLs that change length dur...

base/string_util_unittest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2009 The Chromium 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 <math.h>
 #include <stdarg.h>
 
 #include <limits>
 #include <sstream>
 
 #include "base/basictypes.h"
@@ skipping 210 matching lines @@
   EXPECT_FALSE(IsStringUTF8("\xb0\xa1\xb0\xa2")); // U+AC00, U+AC001 in EUC-KR
   EXPECT_FALSE(IsStringUTF8("\xa7\x41\xa6\x6e")); // U+4F60 U+597D in Big5
   // "abc" with U+201[CD] in windows-125[0-8]
   EXPECT_FALSE(IsStringUTF8("\x93" "abc\x94"));
   // U+0639 U+064E U+0644 U+064E in ISO-8859-6
   EXPECT_FALSE(IsStringUTF8("\xd9\xee\xe4\xee"));
   // U+03B3 U+03B5 U+03B9 U+03AC in ISO-8859-7
   EXPECT_FALSE(IsStringUTF8("\xe3\xe5\xe9\xdC"));
 }
 
-static const wchar_t* const kConvertRoundtripCases[] = {
-  L"Google Video",
-  // "网页 图片 资讯更多 »"
-  L"\x7f51\x9875\x0020\x56fe\x7247\x0020\x8d44\x8baf\x66f4\x591a\x0020\x00bb",
-  //  "Παγκόσμιος Ιστός"
-  L"\x03a0\x03b1\x03b3\x03ba\x03cc\x03c3\x03bc\x03b9"
-  L"\x03bf\x03c2\x0020\x0399\x03c3\x03c4\x03cc\x03c2",
-  // "Поиск страниц на русском"
-  L"\x041f\x043e\x0438\x0441\x043a\x0020\x0441\x0442"
-  L"\x0440\x0430\x043d\x0438\x0446\x0020\x043d\x0430"
-  L"\x0020\x0440\x0443\x0441\x0441\x043a\x043e\x043c",
-  // "전체서비스"
-  L"\xc804\xccb4\xc11c\xbe44\xc2a4",
-
-  // Test characters that take more than 16 bits. This will depend on whether
-  // wchar_t is 16 or 32 bits.
-#if defined(WCHAR_T_IS_UTF16)
-  L"\xd800\xdf00",
-  // ?????  (Mathematical Alphanumeric Symbols (U+011d40 - U+011d44 : A,B,C,D,E)
-  L"\xd807\xdd40\xd807\xdd41\xd807\xdd42\xd807\xdd43\xd807\xdd44",
-#elif defined(WCHAR_T_IS_UTF32)
-  L"\x10300",
-  // ?????  (Mathematical Alphanumeric Symbols (U+011d40 - U+011d44 : A,B,C,D,E)
-  L"\x11d40\x11d41\x11d42\x11d43\x11d44",
-#endif
-};
-
-TEST(StringUtilTest, ConvertUTF8AndWide) {
-  // we round-trip all the wide strings through UTF-8 to make sure everything
-  // agrees on the conversion. This uses the stream operators to test them
-  // simultaneously.
-  for (size_t i = 0; i < arraysize(kConvertRoundtripCases); ++i) {
-    std::ostringstream utf8;
-    utf8 << WideToUTF8(kConvertRoundtripCases[i]);
-    std::wostringstream wide;
-    wide << UTF8ToWide(utf8.str());
-
-    EXPECT_EQ(kConvertRoundtripCases[i], wide.str());
-  }
-}
-
-TEST(StringUtilTest, ConvertUTF8AndWideEmptyString) {
-  // An empty std::wstring should be converted to an empty std::string,
-  // and vice versa.
-  std::wstring wempty;
-  std::string empty;
-  EXPECT_EQ(empty, WideToUTF8(wempty));
-  EXPECT_EQ(wempty, UTF8ToWide(empty));
-}
-
-TEST(StringUtilTest, ConvertUTF8ToWide) {
-  struct UTF8ToWideCase {
-    const char* utf8;
-    const wchar_t* wide;
-    bool success;
-  } convert_cases[] = {
-    // Regular UTF-8 input.
-    {"\xe4\xbd\xa0\xe5\xa5\xbd", L"\x4f60\x597d", true},
-    // Non-character is passed through.
-    {"\xef\xbf\xbfHello", L"\xffffHello", true},
-    // Truncated UTF-8 sequence.
-    {"\xe4\xa0\xe5\xa5\xbd", L"\x597d", false},
-    // Truncated off the end.
-    {"\xe5\xa5\xbd\xe4\xa0", L"\x597d", false},
-    // Non-shortest-form UTF-8.
-    {"\xf0\x84\xbd\xa0\xe5\xa5\xbd", L"\x597d", false},
-    // This UTF-8 character decodes to a UTF-16 surrogate, which is illegal.
-    {"\xed\xb0\x80", L"", false},
-    // Non-BMP characters. The second is a non-character regarded as valid.
-    // The result will either be in UTF-16 or UTF-32.
-#if defined(WCHAR_T_IS_UTF16)
-    {"A\xF0\x90\x8C\x80z", L"A\xd800\xdf00z", true},
-    {"A\xF4\x8F\xBF\xBEz", L"A\xdbff\xdffez", true},
-#elif defined(WCHAR_T_IS_UTF32)
-    {"A\xF0\x90\x8C\x80z", L"A\x10300z", true},
-    {"A\xF4\x8F\xBF\xBEz", L"A\x10fffez", true},
-#endif
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(convert_cases); i++) {
-    std::wstring converted;
-    EXPECT_EQ(convert_cases[i].success,
-              UTF8ToWide(convert_cases[i].utf8,
-                         strlen(convert_cases[i].utf8),
-                         &converted));
-    std::wstring expected(convert_cases[i].wide);
-    EXPECT_EQ(expected, converted);
-  }
-
-  // Manually test an embedded NULL.
-  std::wstring converted;
-  EXPECT_TRUE(UTF8ToWide("\00Z\t", 3, &converted));
-  ASSERT_EQ(3U, converted.length());
-#if defined(WCHAR_T_IS_UNSIGNED)
-  EXPECT_EQ(0U, converted[0]);
-#else
-  EXPECT_EQ(0, converted[0]);
-#endif
-  EXPECT_EQ('Z', converted[1]);
-  EXPECT_EQ('\t', converted[2]);
-
-  // Make sure that conversion replaces, not appends.
-  EXPECT_TRUE(UTF8ToWide("B", 1, &converted));
-  ASSERT_EQ(1U, converted.length());
-  EXPECT_EQ('B', converted[0]);
-}
-
-#if defined(WCHAR_T_IS_UTF16)
-// This test is only valid when wchar_t == UTF-16.
-TEST(StringUtilTest, ConvertUTF16ToUTF8) {
-  struct UTF16ToUTF8Case {
-    const wchar_t* utf16;
-    const char* utf8;
-    bool success;
-  } convert_cases[] = {
-    // Regular UTF-16 input.
-    {L"\x4f60\x597d", "\xe4\xbd\xa0\xe5\xa5\xbd", true},
-    // Test a non-BMP character.
-    {L"\xd800\xdf00", "\xF0\x90\x8C\x80", true},
-    // Non-characters are passed through.
-    {L"\xffffHello", "\xEF\xBF\xBFHello", true},
-    {L"\xdbff\xdffeHello", "\xF4\x8F\xBF\xBEHello", true},
-    // The first character is a truncated UTF-16 character.
-    {L"\xd800\x597d", "\xe5\xa5\xbd", false},
-    // Truncated at the end.
-    {L"\x597d\xd800", "\xe5\xa5\xbd", false},
-  };
-
-  for (int i = 0; i < arraysize(convert_cases); i++) {
-    std::string converted;
-    EXPECT_EQ(convert_cases[i].success,
-              WideToUTF8(convert_cases[i].utf16,
-                         wcslen(convert_cases[i].utf16),
-                         &converted));
-    std::string expected(convert_cases[i].utf8);
-    EXPECT_EQ(expected, converted);
-  }
-}
-
-#elif defined(WCHAR_T_IS_UTF32)
-// This test is only valid when wchar_t == UTF-32.
-TEST(StringUtilTest, ConvertUTF32ToUTF8) {
-  struct WideToUTF8Case {
-    const wchar_t* utf32;
-    const char* utf8;
-    bool success;
-  } convert_cases[] = {
-    // Regular 16-bit input.
-    {L"\x4f60\x597d", "\xe4\xbd\xa0\xe5\xa5\xbd", true},
-    // Test a non-BMP character.
-    {L"A\x10300z", "A\xF0\x90\x8C\x80z", true},
-    // Non-characters are passed through.
-    {L"\xffffHello", "\xEF\xBF\xBFHello", true},
-    {L"\x10fffeHello", "\xF4\x8F\xBF\xBEHello", true},
-    // Invalid Unicode code points.
-    {L"\xfffffffHello", "Hello", false},
-    // The first character is a truncated UTF-16 character.
-    {L"\xd800\x597d", "\xe5\xa5\xbd", false},
-    {L"\xdc01Hello", "Hello", false},
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(convert_cases); i++) {
-    std::string converted;
-    EXPECT_EQ(convert_cases[i].success,
-              WideToUTF8(convert_cases[i].utf32,
-                         wcslen(convert_cases[i].utf32),
-                         &converted));
-    std::string expected(convert_cases[i].utf8);
-    EXPECT_EQ(expected, converted);
-  }
-}
-#endif  // defined(WCHAR_T_IS_UTF32)
-
-TEST(StringUtilTest, ConvertMultiString) {
-  static wchar_t wmulti[] = {
-    L'f', L'o', L'o', L'\0',
-    L'b', L'a', L'r', L'\0',
-    L'b', L'a', L'z', L'\0',
-    L'\0'
-  };
-  static char multi[] = {
-    'f', 'o', 'o', '\0',
-    'b', 'a', 'r', '\0',
-    'b', 'a', 'z', '\0',
-    '\0'
-  };
-  std::wstring wmultistring;
-  memcpy(WriteInto(&wmultistring, arraysize(wmulti)), wmulti, sizeof(wmulti));
-  EXPECT_EQ(arraysize(wmulti) - 1, wmultistring.length());
-  std::string expected;
-  memcpy(WriteInto(&expected, arraysize(multi)), multi, sizeof(multi));
-  EXPECT_EQ(arraysize(multi) - 1, expected.length());
-  const std::string& converted = WideToUTF8(wmultistring);
-  EXPECT_EQ(arraysize(multi) - 1, converted.length());
-  EXPECT_EQ(expected, converted);
-}
-
 TEST(StringUtilTest, ConvertASCII) {
   static const char* char_cases[] = {
     "Google Video",
     "Hello, world\n",
     "0123ABCDwxyz \a\b\t\r\n!+,.~"
   };
 
   static const wchar_t* const wchar_cases[] = {
     L"Google Video",
     L"Hello, world\n",
@@ skipping 1100 matching lines @@
 
 TEST(StringUtilTest, HexEncode) {
   std::string hex(HexEncode(NULL, 0));
   EXPECT_EQ(hex.length(), 0U);
   unsigned char bytes[] = {0x01, 0xff, 0x02, 0xfe, 0x03, 0x80, 0x81};
   hex = HexEncode(bytes, sizeof(bytes));
   EXPECT_EQ(hex.compare("01FF02FE038081"), 0);
 }
 
 }  // namaspace base