12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455 |
- /*
- * Copyright 2012-present Facebook, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <folly/UTF8String.h>
- #include <folly/Range.h>
- #include <folly/portability/GTest.h>
- #include <folly/test/TestUtils.h>
- using namespace folly;
- using namespace std;
- const folly::StringPiece kTestUTF8 = u8"This is \U0001F602 stuff!";
- TEST(UTF8StringPiece, valid_utf8) {
- folly::StringPiece sp = kTestUTF8;
- UTF8StringPiece utf8 = sp;
- // utf8.size() not available since it's not a random-access range
- EXPECT_EQ(16, utf8.walk_size());
- }
- TEST(UTF8StringPiece, valid_suffix) {
- UTF8StringPiece utf8 = kTestUTF8.subpiece(8);
- EXPECT_EQ(8, utf8.walk_size());
- }
- TEST(UTF8StringPiece, empty_mid_codepoint) {
- UTF8StringPiece utf8 = kTestUTF8.subpiece(9, 0); // okay since it's empty
- EXPECT_EQ(0, utf8.walk_size());
- }
- TEST(UTF8StringPiece, invalid_mid_codepoint) {
- EXPECT_THROW(UTF8StringPiece(kTestUTF8.subpiece(9, 1)), std::out_of_range);
- }
- TEST(UTF8StringPiece, valid_implicit_conversion) {
- std::string input = u8"\U0001F602\U0001F602\U0001F602";
- auto checkImplicitCtor = [](UTF8StringPiece implicitCtor) {
- return implicitCtor.walk_size();
- };
- EXPECT_EQ(3, checkImplicitCtor(input));
- }
|