Squashed 'third_party/google-benchmark/' content from commit 785e2c3
Change-Id: Iaaca5eca89f717081452e643a233e86425b03e89
git-subtree-dir: third_party/google-benchmark
git-subtree-split: 785e2c3158589e8ef48c59ba80e48d76bdbd8902
diff --git a/test/multiple_ranges_test.cc b/test/multiple_ranges_test.cc
new file mode 100644
index 0000000..c64acab
--- /dev/null
+++ b/test/multiple_ranges_test.cc
@@ -0,0 +1,97 @@
+#include "benchmark/benchmark.h"
+
+#include <cassert>
+#include <iostream>
+#include <set>
+#include <vector>
+
+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<int64_t> ranges = {state.range(0), state.range(1),
+ state.range(2)};
+
+ assert(expectedValues.find(ranges) != expectedValues.end());
+
+ actualValues.insert(ranges);
+ }
+
+ // NOTE: This is not TearDown as we want to check after _all_ runs are
+ // complete.
+ virtual ~MultipleRangesFixture() {
+ assert(actualValues.size() == expectedValues.size());
+ if (actualValues.size() != expectedValues.size()) {
+ std::cout << "EXPECTED\n";
+ for (auto v : expectedValues) {
+ std::cout << "{";
+ for (int64_t iv : v) {
+ std::cout << iv << ", ";
+ }
+ std::cout << "}\n";
+ }
+ std::cout << "ACTUAL\n";
+ for (auto v : actualValues) {
+ std::cout << "{";
+ for (int64_t iv : v) {
+ std::cout << iv << ", ";
+ }
+ std::cout << "}\n";
+ }
+ }
+ }
+
+ std::set<std::vector<int64_t>> expectedValues;
+ std::set<std::vector<int64_t>> actualValues;
+};
+
+BENCHMARK_DEFINE_F(MultipleRangesFixture, Empty)(benchmark::State& state) {
+ for (auto _ : state) {
+ int64_t product = state.range(0) * state.range(1) * state.range(2);
+ for (int64_t 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));
+ for (auto _ : state) {
+ }
+}
+BENCHMARK(BM_CheckDefaultArgument)->Ranges({{1, 5}, {6, 10}});
+
+static void BM_MultipleRanges(benchmark::State& st) {
+ for (auto _ : st) {
+ }
+}
+BENCHMARK(BM_MultipleRanges)->Ranges({{5, 5}, {6, 6}});
+
+BENCHMARK_MAIN();