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// Copyright 2019 The Pigweed 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
//
// https://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.
#pragma once
#include <cstddef>
#include <string_view>
#include "pw_preprocessor/compiler.h"
#include "pw_unit_test/event_handler.h"
#include "pw_unit_test/googletest_style_event_handler.h"
namespace pw::unit_test {
// An event handler implementation which produces human-readable test output.
//
// Example output:
//
// >>> Running MyTestSuite.TestCase1
// [SUCCESS] 128 <= 129
// [FAILURE] 'a' == 'b'
// at ../path/to/my/file_test.cc:4831
// <<< Test MyTestSuite.TestCase1 failed
//
class SimplePrintingEventHandler : public GoogleTestStyleEventHandler {
public:
// Function for writing output as a string.
using WriteFunction = void (*)(const std::string_view& string,
bool append_newline);
// Instantiates an event handler with a function to which to output results.
// If verbose is set, information for successful tests is written as well as
// failures.
constexpr SimplePrintingEventHandler(WriteFunction write_function,
bool verbose = false)
: GoogleTestStyleEventHandler(verbose),
write_(write_function),
buffer_{} {}
private:
void WriteLine(const char* format, ...) override PW_PRINTF_FORMAT(2, 3);
void Write(const char* content) override { write_(content, false); }
WriteFunction write_;
char buffer_[512];
};
} // namespace pw::unit_test
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