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c41598efcc
Before this patch, the FDRTraceWriter would not take endianness into account when writing data into the output stream. This is a follow-up to D51289 and D51210. llvm-svn: 341223
142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
//===- llvm/unittest/XRay/FDRProducerConsumerTest.cpp -----------*- C++ -*-===//
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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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//
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// Test for round-trip record writing and reading.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/DataExtractor.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/XRay/FDRLogBuilder.h"
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#include "llvm/XRay/FDRRecordConsumer.h"
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#include "llvm/XRay/FDRRecordProducer.h"
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#include "llvm/XRay/FDRRecords.h"
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#include "llvm/XRay/FDRTraceWriter.h"
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#include "llvm/XRay/FileHeaderReader.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include <string>
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#include <tuple>
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namespace llvm {
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namespace xray {
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namespace {
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using ::testing::Eq;
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using ::testing::IsEmpty;
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using ::testing::Not;
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template <class RecordType> std::unique_ptr<Record> MakeRecord();
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template <> std::unique_ptr<Record> MakeRecord<BufferExtents>() {
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return make_unique<BufferExtents>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<NewBufferRecord>() {
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return make_unique<NewBufferRecord>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<NewCPUIDRecord>() {
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return make_unique<NewCPUIDRecord>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<TSCWrapRecord>() {
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return make_unique<TSCWrapRecord>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<WallclockRecord>() {
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return make_unique<WallclockRecord>(1, 2);
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}
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template <> std::unique_ptr<Record> MakeRecord<CustomEventRecord>() {
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return make_unique<CustomEventRecord>(4, 1, "data");
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}
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template <> std::unique_ptr<Record> MakeRecord<CallArgRecord>() {
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return make_unique<CallArgRecord>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<PIDRecord>() {
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return make_unique<PIDRecord>(1);
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}
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template <> std::unique_ptr<Record> MakeRecord<FunctionRecord>() {
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return make_unique<FunctionRecord>(RecordTypes::ENTER, 1, 2);
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}
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template <class T> class RoundTripTest : public ::testing::Test {
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public:
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RoundTripTest() : Data(), OS(Data) {
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H.Version = 3;
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H.Type = 1;
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H.ConstantTSC = true;
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H.NonstopTSC = true;
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H.CycleFrequency = 3e9;
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Writer = make_unique<FDRTraceWriter>(OS, H);
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Rec = MakeRecord<T>();
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}
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protected:
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std::string Data;
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raw_string_ostream OS;
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XRayFileHeader H;
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std::unique_ptr<FDRTraceWriter> Writer;
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std::unique_ptr<Record> Rec;
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};
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TYPED_TEST_CASE_P(RoundTripTest);
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// This test ensures that the writing and reading implementations are in sync --
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// that given write(read(write(R))) == R.
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TYPED_TEST_P(RoundTripTest, RoundTripsSingleValue) {
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auto &R = this->Rec;
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ASSERT_FALSE(errorToBool(R->apply(*this->Writer)));
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this->OS.flush();
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DataExtractor DE(this->Data, sys::IsLittleEndianHost, 8);
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uint32_t OffsetPtr = 0;
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auto HeaderOrErr = readBinaryFormatHeader(DE, OffsetPtr);
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if (!HeaderOrErr)
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FAIL() << HeaderOrErr.takeError();
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FileBasedRecordProducer P(HeaderOrErr.get(), DE, OffsetPtr);
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std::vector<std::unique_ptr<Record>> Records;
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LogBuilderConsumer C(Records);
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while (DE.isValidOffsetForDataOfSize(OffsetPtr, 1)) {
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auto R = P.produce();
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if (!R)
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FAIL() << R.takeError();
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if (auto E = C.consume(std::move(R.get())))
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FAIL() << E;
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}
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ASSERT_THAT(Records, Not(IsEmpty()));
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std::string Data2;
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raw_string_ostream OS2(Data2);
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FDRTraceWriter Writer2(OS2, this->H);
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for (auto &P : Records)
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ASSERT_FALSE(errorToBool(P->apply(Writer2)));
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OS2.flush();
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EXPECT_EQ(Data2.substr(sizeof(XRayFileHeader)),
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this->Data.substr(sizeof(XRayFileHeader)));
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EXPECT_THAT(Records[0]->type(), Eq(R->type()));
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}
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REGISTER_TYPED_TEST_CASE_P(RoundTripTest, RoundTripsSingleValue);
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using RecordTypes =
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::testing::Types<BufferExtents, NewBufferRecord, NewCPUIDRecord,
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TSCWrapRecord, WallclockRecord, CustomEventRecord,
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CallArgRecord, BufferExtents, PIDRecord, FunctionRecord>;
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INSTANTIATE_TYPED_TEST_CASE_P(Records, RoundTripTest, RecordTypes);
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} // namespace
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} // namespace xray
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} // namespace llvm
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