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//===-- timing_test.cpp -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "tests/scudo_unit_test.h"
#include "timing.h"
#include <string>
class ScudoTimingTest : public Test {
public:
void testFunc1() { scudo::ScopedTimer ST(Manager, __func__); }
void testFunc2() {
scudo::ScopedTimer ST(Manager, __func__);
testFunc1();
}
void testChainedCalls() {
scudo::ScopedTimer ST(Manager, __func__);
testFunc2();
}
void testIgnoredTimer() {
scudo::ScopedTimer ST(Manager, __func__);
ST.ignore();
}
void printAllTimersStats() { Manager.printAll(); }
scudo::TimingManager &getTimingManager() { return Manager; }
private:
scudo::TimingManager Manager;
};
// Given that the output of statistics of timers are dumped through
// `scudo::Printf` which is platform dependent, so we don't have a reliable way
// to catch the output and verify the details. Now we only verify the number of
// invocations on linux.
TEST_F(ScudoTimingTest, SimpleTimer) {
#if SCUDO_LINUX
testing::internal::LogToStderr();
testing::internal::CaptureStderr();
#endif
testIgnoredTimer();
testChainedCalls();
printAllTimersStats();
#if SCUDO_LINUX
std::string output = testing::internal::GetCapturedStderr();
EXPECT_TRUE(output.find("testIgnoredTimer (1)") == std::string::npos);
EXPECT_TRUE(output.find("testChainedCalls (1)") != std::string::npos);
EXPECT_TRUE(output.find("testFunc2 (1)") != std::string::npos);
EXPECT_TRUE(output.find("testFunc1 (1)") != std::string::npos);
#endif
}
TEST_F(ScudoTimingTest, NestedTimer) {
#if SCUDO_LINUX
testing::internal::LogToStderr();
testing::internal::CaptureStderr();
#endif
{
scudo::ScopedTimer Outer(getTimingManager(), "Outer");
{
scudo::ScopedTimer Inner1(getTimingManager(), Outer, "Inner1");
{ scudo::ScopedTimer Inner2(getTimingManager(), Inner1, "Inner2"); }
}
}
printAllTimersStats();
#if SCUDO_LINUX
std::string output = testing::internal::GetCapturedStderr();
EXPECT_TRUE(output.find("Outer (1)") != std::string::npos);
EXPECT_TRUE(output.find("Inner1 (1)") != std::string::npos);
EXPECT_TRUE(output.find("Inner2 (1)") != std::string::npos);
#endif
}
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