| // Copyright 2017 Google Inc. All rights reserved. |
| // |
| // 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 "src/utf8_fix.h" |
| |
| #include "port/gtest.h" |
| #include "port/protobuf.h" |
| |
| namespace protobuf_mutator { |
| |
| protobuf::LogSilencer log_silincer; |
| |
| class FixUtf8StringTest : public ::testing::TestWithParam<int> { |
| public: |
| bool IsStructurallyValid(const std::string& s) { |
| using protobuf::internal::WireFormatLite; |
| return WireFormatLite::VerifyUtf8String(s.data(), s.length(), |
| WireFormatLite::PARSE, ""); |
| } |
| }; |
| |
| TEST_F(FixUtf8StringTest, IsStructurallyValid) { |
| EXPECT_TRUE(IsStructurallyValid("")); |
| EXPECT_TRUE(IsStructurallyValid("abc")); |
| EXPECT_TRUE(IsStructurallyValid("\xC2\xA2")); |
| EXPECT_TRUE(IsStructurallyValid("\xE2\x82\xAC")); |
| EXPECT_TRUE(IsStructurallyValid("\xF0\x90\x8D\x88")); |
| EXPECT_FALSE(IsStructurallyValid("\xFF\xFF\xFF\xFF")); |
| EXPECT_FALSE(IsStructurallyValid("\xFF\x8F")); |
| EXPECT_FALSE(IsStructurallyValid("\x3F\xBF")); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(Size, FixUtf8StringTest, ::testing::Range(0, 10)); |
| |
| TEST_P(FixUtf8StringTest, FixUtf8String) { |
| RandomEngine random(GetParam()); |
| std::uniform_int_distribution<> random8(0, 0xFF); |
| |
| std::string str(random8(random), 0); |
| for (uint32_t run = 0; run < 10000; ++run) { |
| for (size_t i = 0; i < str.size(); ++i) str[i] = random8(random); |
| std::string fixed = str; |
| FixUtf8String(&fixed, &random); |
| if (IsStructurallyValid(str)) { |
| EXPECT_EQ(str, fixed); |
| } else { |
| EXPECT_TRUE(IsStructurallyValid(fixed)); |
| } |
| } |
| } |
| |
| } // namespace protobuf_mutator |