diff options
Diffstat (limited to 'remoting/base/util_unittest.cc')
| -rw-r--r-- | remoting/base/util_unittest.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/remoting/base/util_unittest.cc b/remoting/base/util_unittest.cc index 19579776..4fc190d 100644 --- a/remoting/base/util_unittest.cc +++ b/remoting/base/util_unittest.cc @@ -253,4 +253,38 @@ TEST(ReplaceCrLfByLfTest, Speed) { } } +TEST(StringIsUtf8Test, Basic) { + EXPECT_TRUE(StringIsUtf8("", 0)); + EXPECT_TRUE(StringIsUtf8("\0", 1)); + EXPECT_TRUE(StringIsUtf8("abc", 3)); + EXPECT_TRUE(StringIsUtf8("\xc0\x80", 2)); + EXPECT_TRUE(StringIsUtf8("\xe0\x80\x80", 3)); + EXPECT_TRUE(StringIsUtf8("\xf0\x80\x80\x80", 4)); + EXPECT_TRUE(StringIsUtf8("\xf8\x80\x80\x80\x80", 5)); + EXPECT_TRUE(StringIsUtf8("\xfc\x80\x80\x80\x80\x80", 6)); + + // Not enough continuation characters + EXPECT_FALSE(StringIsUtf8("\xc0", 1)); + EXPECT_FALSE(StringIsUtf8("\xe0\x80", 2)); + EXPECT_FALSE(StringIsUtf8("\xf0\x80\x80", 3)); + EXPECT_FALSE(StringIsUtf8("\xf8\x80\x80\x80", 4)); + EXPECT_FALSE(StringIsUtf8("\xfc\x80\x80\x80\x80", 5)); + + // One more continuation character than needed + EXPECT_FALSE(StringIsUtf8("\xc0\x80\x80", 3)); + EXPECT_FALSE(StringIsUtf8("\xe0\x80\x80\x80", 4)); + EXPECT_FALSE(StringIsUtf8("\xf0\x80\x80\x80\x80", 5)); + EXPECT_FALSE(StringIsUtf8("\xf8\x80\x80\x80\x80\x80", 6)); + EXPECT_FALSE(StringIsUtf8("\xfc\x80\x80\x80\x80\x80\x80", 7)); + + // Invalid first byte + EXPECT_FALSE(StringIsUtf8("\xfe\x80\x80\x80\x80\x80\x80", 7)); + EXPECT_FALSE(StringIsUtf8("\xff\x80\x80\x80\x80\x80\x80", 7)); + + // Invalid continuation byte + EXPECT_FALSE(StringIsUtf8("\xc0\x00", 2)); + EXPECT_FALSE(StringIsUtf8("\xc0\x40", 2)); + EXPECT_FALSE(StringIsUtf8("\xc0\xc0", 2)); +} + } // namespace remoting |