1 // Copyright 2022 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include <cstdarg> 17 #include <cstdio> 18 19 #include "pw_unit_test/googletest_style_event_handler.h" 20 21 namespace pw { 22 namespace unit_test { 23 24 /// Predefined event handler implementation that produces human-readable 25 /// GoogleTest-style test output and logs it via ``std::printf``. See 26 /// ``pw::unit_test::EventHandler`` for explanations of emitted events. 27 class PrintfEventHandler final : public GoogleTestStyleEventHandler { 28 public: 29 constexpr PrintfEventHandler(bool verbose = false) GoogleTestStyleEventHandler(verbose)30 : GoogleTestStyleEventHandler(verbose) {} 31 32 private: Write(const char * content)33 void Write(const char* content) override { std::printf("%s", content); } 34 WriteLine(const char * format,...)35 void WriteLine(const char* format, ...) override { 36 std::va_list args; 37 38 va_start(args, format); 39 std::vprintf(format, args); 40 std::printf("\n"); 41 va_end(args); 42 } 43 }; 44 45 } // namespace unit_test 46 } // namespace pw 47