cef/tests/cefclient/renderer/performance_test_setup.h

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// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that
// can be found in the LICENSE file.
#ifndef CEF_TESTS_CEFCLIENT_RENDERER_PERFORMANCE_TEST_SETUP_H_
#define CEF_TESTS_CEFCLIENT_RENDERER_PERFORMANCE_TEST_SETUP_H_
#pragma once
#include "include/base/cef_macros.h"
#include "include/base/cef_logging.h"
namespace client {
namespace performance_test {
// Default number of iterations.
extern const int kDefaultIterations;
// Test name.
#define PERF_TEST_NAME(name) PerfTest##name
// Entry in test array.
#define PERF_TEST_ENTRY_EX(name, iterations) \
{ #name, PERF_TEST_NAME(name), iterations }
#define PERF_TEST_ENTRY(name) PERF_TEST_ENTRY_EX(name, kDefaultIterations)
// Test function declaration.
#define PERF_TEST_RESULT int64
#define PERF_TEST_PARAM_ITERATIONS iterations
#define PERF_TEST_PARAMS int PERF_TEST_PARAM_ITERATIONS
#define PERF_TEST_FUNC(name) \
PERF_TEST_RESULT PERF_TEST_NAME(name)(PERF_TEST_PARAMS)
// Typedef for test pointers.
typedef PERF_TEST_RESULT(PerfTest(PERF_TEST_PARAMS));
class CefTimer {
public:
CefTimer() : running_(false) {
}
bool IsRunning() { return running_; }
void Start() {
DCHECK(!running_);
running_ = true;
start_.Now();
}
void Stop() {
stop_.Now();
DCHECK(running_);
running_ = false;
}
int64 Delta() {
DCHECK(!running_);
return start_.Delta(stop_);
}
private:
bool running_;
CefTime start_;
CefTime stop_;
DISALLOW_COPY_AND_ASSIGN(CefTimer);
};
// Peform test iterations using a user-provided timing result variable.
#define PERF_ITERATIONS_START_EX() \
{ \
CefTimer _timer; \
_timer.Start(); \
for (int _i = 0; _i < PERF_TEST_PARAM_ITERATIONS; ++_i) {
#define PERF_ITERATIONS_END_EX(result) \
} \
_timer.Stop(); \
result = _timer.Delta(); \
}
// Perform test iterations and return the timing result.
#define PERF_ITERATIONS_START() \
int64 _result = 0; \
PERF_ITERATIONS_START_EX()
#define PERF_ITERATIONS_END() \
PERF_ITERATIONS_END_EX(_result) \
return _result;
// Perf test entry structure.
struct PerfTestEntry {
const char* name;
PerfTest* test;
int iterations;
};
// Array of perf tests.
extern const PerfTestEntry kPerfTests[];
extern const int kPerfTestsCount;
} // namespace performance_test
} // namespace client
#endif // CEF_TESTS_CEFCLIENT_RENDERER_PERFORMANCE_TEST_H_