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//===-- JSON Tests --------------------------------------------------------===//
//
// 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 "JSON.h"
#include "LibcBenchmark.h"
#include "LibcMemoryBenchmark.h"
#include "llvm/Support/JSON.h"
#include "llvm/Support/raw_ostream.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using testing::AllOf;
using testing::ExplainMatchResult;
using testing::Field;
using testing::Pointwise;
namespace llvm {
namespace libc_benchmarks {
namespace {
Study getStudy() {
return Study{
"StudyName",
Runtime{HostState{"CpuName",
123,
{CacheInfo{"A", 1, 2, 3}, CacheInfo{"B", 4, 5, 6}}},
456, 789,
BenchmarkOptions{std::chrono::seconds(1), std::chrono::seconds(2),
10, 100, 6, 100, 0.1, 2, BenchmarkLog::Full}},
StudyConfiguration{std::string("Function"), 30U, false, 32U,
std::string("Distribution"), Align(16), 3U},
{std::chrono::seconds(3), std::chrono::seconds(4)}};
}
static std::string serializeToString(const Study &S) {
std::string Buffer;
raw_string_ostream RSO(Buffer);
json::OStream JOS(RSO);
serializeToJson(S, JOS);
return Buffer;
}
MATCHER(EqualsCacheInfo, "") {
const CacheInfo &A = ::testing::get<0>(arg);
const CacheInfo &B = ::testing::get<1>(arg);
return ExplainMatchResult(AllOf(Field(&CacheInfo::Type, B.Type),
Field(&CacheInfo::Level, B.Level),
Field(&CacheInfo::Size, B.Size),
Field(&CacheInfo::NumSharing, B.NumSharing)),
A, result_listener);
}
auto equals(const HostState &H) -> auto {
return AllOf(
Field(&HostState::CpuName, H.CpuName),
Field(&HostState::CpuFrequency, H.CpuFrequency),
Field(&HostState::Caches, Pointwise(EqualsCacheInfo(), H.Caches)));
}
auto equals(const StudyConfiguration &SC) -> auto {
return AllOf(
Field(&StudyConfiguration::Function, SC.Function),
Field(&StudyConfiguration::NumTrials, SC.NumTrials),
Field(&StudyConfiguration::IsSweepMode, SC.IsSweepMode),
Field(&StudyConfiguration::SweepModeMaxSize, SC.SweepModeMaxSize),
Field(&StudyConfiguration::SizeDistributionName, SC.SizeDistributionName),
Field(&StudyConfiguration::AccessAlignment, SC.AccessAlignment),
Field(&StudyConfiguration::MemcmpMismatchAt, SC.MemcmpMismatchAt));
}
auto equals(const BenchmarkOptions &BO) -> auto {
return AllOf(
Field(&BenchmarkOptions::MinDuration, BO.MinDuration),
Field(&BenchmarkOptions::MaxDuration, BO.MaxDuration),
Field(&BenchmarkOptions::InitialIterations, BO.InitialIterations),
Field(&BenchmarkOptions::MaxIterations, BO.MaxIterations),
Field(&BenchmarkOptions::MinSamples, BO.MinSamples),
Field(&BenchmarkOptions::MaxSamples, BO.MaxSamples),
Field(&BenchmarkOptions::Epsilon, BO.Epsilon),
Field(&BenchmarkOptions::ScalingFactor, BO.ScalingFactor),
Field(&BenchmarkOptions::Log, BO.Log));
}
auto equals(const Runtime &RI) -> auto {
return AllOf(Field(&Runtime::Host, equals(RI.Host)),
Field(&Runtime::BufferSize, RI.BufferSize),
Field(&Runtime::BatchParameterCount, RI.BatchParameterCount),
Field(&Runtime::BenchmarkOptions, equals(RI.BenchmarkOptions)));
}
auto equals(const Study &S) -> auto {
return AllOf(Field(&Study::StudyName, S.StudyName),
Field(&Study::Runtime, equals(S.Runtime)),
Field(&Study::Configuration, equals(S.Configuration)),
Field(&Study::Measurements, S.Measurements));
}
TEST(JsonTest, RoundTrip) {
const Study S = getStudy();
const auto Serialized = serializeToString(S);
auto StudyOrError = parseJsonStudy(Serialized);
if (auto Err = StudyOrError.takeError())
EXPECT_FALSE(Err) << "Unexpected error : " << Err << "\n" << Serialized;
const Study &Parsed = *StudyOrError;
EXPECT_THAT(Parsed, equals(S)) << Serialized << "\n"
<< serializeToString(Parsed);
}
TEST(JsonTest, SupplementaryField) {
auto Failure = parseJsonStudy(R"({
"UnknownField": 10
}
)");
EXPECT_EQ(toString(Failure.takeError()), "Unknown field: UnknownField");
}
TEST(JsonTest, InvalidType) {
auto Failure = parseJsonStudy(R"({
"Runtime": 1
}
)");
EXPECT_EQ(toString(Failure.takeError()), "Expected JSON Object");
}
TEST(JsonTest, InvalidDuration) {
auto Failure = parseJsonStudy(R"({
"Runtime": {
"BenchmarkOptions": {
"MinDuration": "Duration should be a Number"
}
}
}
)");
EXPECT_EQ(toString(Failure.takeError()), "Can't parse Duration");
}
TEST(JsonTest, InvalidAlignType) {
auto Failure = parseJsonStudy(R"({
"Configuration": {
"AccessAlignment": "Align should be an Integer"
}
}
)");
EXPECT_EQ(toString(Failure.takeError()), "Can't parse Align, not an Integer");
}
TEST(JsonTest, InvalidAlign) {
auto Failure = parseJsonStudy(R"({
"Configuration": {
"AccessAlignment": 3
}
}
)");
EXPECT_EQ(toString(Failure.takeError()),
"Can't parse Align, not a power of two");
}
TEST(JsonTest, InvalidBenchmarkLogType) {
auto Failure = parseJsonStudy(R"({
"Runtime": {
"BenchmarkOptions":{
"Log": 3
}
}
}
)");
EXPECT_EQ(toString(Failure.takeError()),
"Can't parse BenchmarkLog, not a String");
}
TEST(JsonTest, InvalidBenchmarkLog) {
auto Failure = parseJsonStudy(R"({
"Runtime": {
"BenchmarkOptions":{
"Log": "Unknown"
}
}
}
)");
EXPECT_EQ(toString(Failure.takeError()),
"Can't parse BenchmarkLog, invalid value 'Unknown'");
}
} // namespace
} // namespace libc_benchmarks
} // namespace llvm
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