| // Copyright 2017-2020 The Verible Authors. |
| // |
| // 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 "common/strings/utf8.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| namespace verible { |
| namespace { |
| |
| TEST(UTF8Util, Utf8LenTest) { |
| EXPECT_EQ(utf8_len(""), 0); |
| EXPECT_EQ(utf8_len("regular ASCII"), 13); |
| EXPECT_EQ(utf8_len("\n\r\t \v"), 5); |
| EXPECT_EQ(utf8_len("¯"), 1); // two byte encoding |
| EXPECT_EQ(utf8_len("‱"), 1); // three byte encoding |
| EXPECT_EQ(utf8_len("𝅘𝅥𝅯"), 1); // four byte encoding |
| EXPECT_EQ(utf8_len("Heizölrückstoßabdämpfung"), 24); |
| EXPECT_EQ(utf8_len(R"(¯\_(ツ)_/¯)"), 9); |
| } |
| |
| } // namespace |
| } // namespace verible |