blob: f78fa325f298522a3ef36df9a6319b68ed01ec85 [file] [log] [blame]
/*
* 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 "nb/simple_profiler.h"
#include <map>
#include <string>
#include <vector>
#include "starboard/configuration.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace nb {
class SimpleProfilerTest : public ::testing::Test {
public:
SimpleProfilerTest() {}
void SetUp() override {
s_log_buffer_.clear();
SimpleProfiler::SetLoggingFunction(TestLogFunction);
}
void TearDown() override {
SimpleProfiler::SetLoggingFunction(nullptr);
SimpleProfiler::SetClockFunction(nullptr);
s_log_buffer_.clear();
}
std::string GetProfilerOutput() { return s_log_buffer_; }
private:
static std::string s_log_buffer_;
static void TestLogFunction(const char* value) { s_log_buffer_ = value; }
};
std::string SimpleProfilerTest::s_log_buffer_;
struct CallChain {
static void Foo() {
SimpleProfiler profile("Foo");
Bar();
Qux();
}
static void Bar() {
SimpleProfiler profile("Bar");
Baz();
}
static void Baz() { SimpleProfiler profile("Baz"); }
static void Qux() { SimpleProfiler profile("Qux"); }
};
TEST_F(SimpleProfilerTest, IsEnabledByDefault) {
EXPECT_TRUE(SimpleProfiler::IsEnabled());
}
SbTimeMonotonic NullTime() {
return SbTimeMonotonic(0);
}
// Tests the expectation that SimpleProfiler can be used in a call
// chain and will generate the expected string.
TEST_F(SimpleProfilerTest, CallChain) {
SimpleProfiler::SetClockFunction(NullTime);
CallChain::Foo();
std::string profiler_log = GetProfilerOutput();
std::string expected_output =
"Foo: 0us\n"
" Bar: 0us\n"
" Baz: 0us\n"
" Qux: 0us\n";
EXPECT_EQ(expected_output, profiler_log) << " actual output:\n"
<< profiler_log;
}
TEST_F(SimpleProfilerTest, EnableScopeDisabled) {
SimpleProfiler::EnableScope enable(false);
CallChain::Foo();
std::string profiler_log = GetProfilerOutput();
EXPECT_TRUE(profiler_log.empty());
}
} // namespace nb