diff options
Diffstat (limited to 'runtime/jni_internal_test.cc')
| -rw-r--r-- | runtime/jni_internal_test.cc | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/runtime/jni_internal_test.cc b/runtime/jni_internal_test.cc index 906aa4c..1048214 100644 --- a/runtime/jni_internal_test.cc +++ b/runtime/jni_internal_test.cc @@ -1351,7 +1351,36 @@ TEST_F(JniInternalTest, NewStringUTF) { EXPECT_EQ(5, env_->GetStringLength(s)); EXPECT_EQ(5, env_->GetStringUTFLength(s)); - // TODO: check some non-ASCII strings. + // Encoded surrogate pair. + s = env_->NewStringUTF("\xed\xa0\x81\xed\xb0\x80"); + EXPECT_NE(s, nullptr); + EXPECT_EQ(2, env_->GetStringLength(s)); + // Note that this uses 2 x 3 byte UTF sequences, one + // for each half of the surrogate pair. + EXPECT_EQ(6, env_->GetStringUTFLength(s)); + const char* chars = env_->GetStringUTFChars(s, nullptr); + EXPECT_STREQ("\xed\xa0\x81\xed\xb0\x80", chars); + env_->ReleaseStringUTFChars(s, chars); + + // 4 byte UTF sequence appended to an encoded surrogate pair. + s = env_->NewStringUTF("\xed\xa0\x81\xed\xb0\x80 \xf0\x9f\x8f\xa0"); + EXPECT_NE(s, nullptr); + EXPECT_EQ(5, env_->GetStringLength(s)); + EXPECT_EQ(13, env_->GetStringUTFLength(s)); + chars = env_->GetStringUTFChars(s, nullptr); + // The 4 byte sequence {0xf0, 0x9f, 0x8f, 0xa0} is converted into a surrogate + // pair {0xd83c, 0xdfe0} which is then converted into a two three byte + // sequences {0xed 0xa0, 0xbc} and {0xed, 0xbf, 0xa0}, one for each half of + // the surrogate pair. + EXPECT_STREQ("\xed\xa0\x81\xed\xb0\x80 \xed\xa0\xbc\xed\xbf\xa0", chars); + env_->ReleaseStringUTFChars(s, chars); + + // A string with 1, 2, 3 and 4 byte UTF sequences with spaces + // between them + s = env_->NewStringUTF("\x24 \xc2\xa2 \xe2\x82\xac \xf0\x9f\x8f\xa0"); + EXPECT_NE(s, nullptr); + EXPECT_EQ(8, env_->GetStringLength(s)); + EXPECT_EQ(15, env_->GetStringUTFLength(s)); } TEST_F(JniInternalTest, NewString) { |