forked from OSchip/llvm-project
98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
//===- clang-modernize/PerfSupportTest.cpp - PerfSupport unit tests -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "Core/PerfSupport.h"
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using namespace llvm;
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using namespace clang;
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class TransformA : public Transform {
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public:
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TransformA(const TransformOptions &Options)
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: Transform("TransformA", Options) {}
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virtual int apply(const tooling::CompilationDatabase &,
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const std::vector<std::string> &) {
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return 0;
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}
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void addTiming(StringRef Label, TimeRecord Duration) {
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Transform::addTiming(Label, Duration);
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}
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};
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class TransformB : public Transform {
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public:
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TransformB(const TransformOptions &Options)
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: Transform("TransformB", Options) {}
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virtual int apply(const tooling::CompilationDatabase &,
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const std::vector<std::string> &) {
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return 0;
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}
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void addTiming(StringRef Label, TimeRecord Duration) {
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Transform::addTiming(Label, Duration);
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}
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};
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struct ExpectedResults {
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const char *SourceName;
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unsigned DataCount;
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struct Datum {
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const char *Label;
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float Duration;
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} Data[2];
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};
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TEST(PerfSupport, collectSourcePerfData) {
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TransformOptions Options;
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TransformA A(Options);
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TransformB B(Options);
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// The actual durations don't matter. Below only their relative ordering is
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// tested to ensure times, labels, and sources all stay together properly.
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A.addTiming("FileA.cpp", TimeRecord::getCurrentTime(/*Start=*/true));
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A.addTiming("FileC.cpp", TimeRecord::getCurrentTime(/*Start=*/true));
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B.addTiming("FileC.cpp", TimeRecord::getCurrentTime(/*Start=*/true));
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B.addTiming("FileB.cpp", TimeRecord::getCurrentTime(/*Start=*/true));
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SourcePerfData PerfData;
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collectSourcePerfData(A, PerfData);
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SourcePerfData::const_iterator FileAI = PerfData.find("FileA.cpp");
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EXPECT_NE(FileAI, PerfData.end());
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SourcePerfData::const_iterator FileCI = PerfData.find("FileC.cpp");
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EXPECT_NE(FileCI, PerfData.end());
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EXPECT_EQ(2u, PerfData.size());
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EXPECT_EQ(1u, FileAI->second.size());
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EXPECT_EQ("TransformA", FileAI->second[0].Label);
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EXPECT_EQ(1u, FileCI->second.size());
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EXPECT_EQ("TransformA", FileCI->second[0].Label);
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EXPECT_LE(FileAI->second[0].Duration, FileCI->second[0].Duration);
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collectSourcePerfData(B, PerfData);
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SourcePerfData::const_iterator FileBI = PerfData.find("FileB.cpp");
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EXPECT_NE(FileBI, PerfData.end());
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EXPECT_EQ(3u, PerfData.size());
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EXPECT_EQ(1u, FileAI->second.size());
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EXPECT_EQ("TransformA", FileAI->second[0].Label);
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EXPECT_EQ(2u, FileCI->second.size());
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EXPECT_EQ("TransformA", FileCI->second[0].Label);
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EXPECT_EQ("TransformB", FileCI->second[1].Label);
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EXPECT_LE(FileCI->second[0].Duration, FileCI->second[1].Duration);
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EXPECT_EQ(1u, FileBI->second.size());
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EXPECT_EQ("TransformB", FileBI->second[0].Label);
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EXPECT_LE(FileCI->second[1].Duration, FileBI->second[0].Duration);
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}
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