Function TEST

test/sys_string_conversions_unittest.cc:22–48

namespace butil {

TEST(SysStrings, SysWideToUTF8) {
  EXPECT_EQ("Hello, world", SysWideToUTF8(L"Hello, world"));
  EXPECT_EQ("\xe4\xbd\xa0\xe5\xa5\xbd", SysWideToUTF8(L"\x4f60\x597d"));

  // >16 bits
  EXPECT_EQ("\xF0\x90\x8C\x80", SysWideToUTF8(kSysWideOldItalicLetterA));

  // Error case. When Windows finds a UTF-16 character going off the end of
  // a string, it just converts that literal value to UTF-8, even though this
  // is invalid.
  //
  // This is what XP does, but Vista has different behavior, so we don't bother
  // verifying it:
  // EXPECT_EQ("\xE4\xBD\xA0\xED\xA0\x80zyxw",
  //           SysWideToUTF8(L"\x4f60\xd800zyxw"));

  // Test embedded NULLs.
  std::wstring wide_null(L"a");
  wide_null.push_back(0);
  wide_null.push_back('b');

  std::string expected_null("a");
  expected_null.push_back(0);
  expected_null.push_back('b');

  EXPECT_EQ(expected_null, SysWideToUTF8(wide_null));
}

TEST(SysStrings, SysUTF8ToWide) {
  EXPECT_EQ(L"Hello, world", SysUTF8ToWide("Hello, world"));