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#include "benchmark/benchmark.h"
#include <cassert>
#include <set>
class MultipleRangesFixture : public ::benchmark::Fixture {
public:
MultipleRangesFixture()
: expectedValues({{1, 3, 5},
{1, 3, 8},
{1, 3, 15},
{2, 3, 5},
{2, 3, 8},
{2, 3, 15},
{1, 4, 5},
{1, 4, 8},
{1, 4, 15},
{2, 4, 5},
{2, 4, 8},
{2, 4, 15},
{1, 7, 5},
{1, 7, 8},
{1, 7, 15},
{2, 7, 5},
{2, 7, 8},
{2, 7, 15},
{7, 6, 3}}) {}
void SetUp(const ::benchmark::State& state) {
std::vector<int> ranges = {state.range(0), state.range(1), state.range(2)};
assert(expectedValues.find(ranges) != expectedValues.end());
actualValues.insert(ranges);
}
virtual ~MultipleRangesFixture() {
assert(actualValues.size() == expectedValues.size());
}
std::set<std::vector<int>> expectedValues;
std::set<std::vector<int>> actualValues;
};
BENCHMARK_DEFINE_F(MultipleRangesFixture, Empty)(benchmark::State& state) {
while (state.KeepRunning()) {
int product = state.range(0) * state.range(1) * state.range(2);
for (int x = 0; x < product; x++) {
benchmark::DoNotOptimize(x);
}
}
}
BENCHMARK_REGISTER_F(MultipleRangesFixture, Empty)
->RangeMultiplier(2)
->Ranges({{1, 2}, {3, 7}, {5, 15}})
->Args({7, 6, 3});
void BM_CheckDefaultArgument(benchmark::State& state) {
// Test that the 'range()' without an argument is the same as 'range(0)'.
assert(state.range() == state.range(0));
assert(state.range() != state.range(1));
while (state.KeepRunning()) {
}
}
BENCHMARK(BM_CheckDefaultArgument)->Ranges({{1, 5}, {6, 10}});
static void BM_MultipleRanges(benchmark::State& st) {
while (st.KeepRunning()) {
}
}
BENCHMARK(BM_MultipleRanges)->Ranges({{5, 5}, {6, 6}});
BENCHMARK_MAIN()
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