Move tests from projects/ to tests/
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84 changed files with 2429 additions and 2429 deletions
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#include <catch2/catch.hpp>
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#include <map>
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#if defined(CATCH_CONFIG_ENABLE_BENCHMARKING)
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namespace {
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std::uint64_t Fibonacci(std::uint64_t number) {
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return number < 2 ? 1 : Fibonacci(number - 1) + Fibonacci(number - 2);
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}
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}
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TEST_CASE("Benchmark Fibonacci", "[!benchmark]") {
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CHECK(Fibonacci(0) == 1);
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// some more asserts..
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CHECK(Fibonacci(5) == 8);
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// some more asserts..
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BENCHMARK("Fibonacci 20") {
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return Fibonacci(20);
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};
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BENCHMARK("Fibonacci 25") {
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return Fibonacci(25);
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};
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BENCHMARK("Fibonacci 30") {
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return Fibonacci(30);
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};
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BENCHMARK("Fibonacci 35") {
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return Fibonacci(35);
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};
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}
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TEST_CASE("Benchmark containers", "[!benchmark]") {
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static const int size = 100;
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std::vector<int> v;
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std::map<int, int> m;
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SECTION("without generator") {
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BENCHMARK("Load up a vector") {
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v = std::vector<int>();
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for (int i = 0; i < size; ++i)
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v.push_back(i);
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};
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REQUIRE(v.size() == size);
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// test optimizer control
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BENCHMARK("Add up a vector's content") {
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uint64_t add = 0;
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for (int i = 0; i < size; ++i)
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add += v[i];
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return add;
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};
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BENCHMARK("Load up a map") {
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m = std::map<int, int>();
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for (int i = 0; i < size; ++i)
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m.insert({ i, i + 1 });
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};
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REQUIRE(m.size() == size);
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BENCHMARK("Reserved vector") {
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v = std::vector<int>();
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v.reserve(size);
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for (int i = 0; i < size; ++i)
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v.push_back(i);
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};
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REQUIRE(v.size() == size);
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BENCHMARK("Resized vector") {
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v = std::vector<int>();
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v.resize(size);
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for (int i = 0; i < size; ++i)
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v[i] = i;
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};
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REQUIRE(v.size() == size);
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int array[size];
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BENCHMARK("A fixed size array that should require no allocations") {
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for (int i = 0; i < size; ++i)
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array[i] = i;
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};
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int sum = 0;
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for (int i = 0; i < size; ++i)
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sum += array[i];
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REQUIRE(sum > size);
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SECTION("XYZ") {
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BENCHMARK_ADVANCED("Load up vector with chronometer")(Catch::Benchmark::Chronometer meter) {
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std::vector<int> k;
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meter.measure([&](int idx) {
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k = std::vector<int>();
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for (int i = 0; i < size; ++i)
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k.push_back(idx);
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});
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REQUIRE(k.size() == size);
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};
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int runs = 0;
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BENCHMARK("Fill vector indexed", benchmarkIndex) {
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v = std::vector<int>();
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v.resize(size);
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for (int i = 0; i < size; ++i)
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v[i] = benchmarkIndex;
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runs = benchmarkIndex;
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};
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for (size_t i = 0; i < v.size(); ++i) {
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REQUIRE(v[i] == runs);
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}
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}
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}
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SECTION("with generator") {
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auto generated = GENERATE(range(0, 10));
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BENCHMARK("Fill vector generated") {
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v = std::vector<int>();
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v.resize(size);
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for (int i = 0; i < size; ++i)
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v[i] = generated;
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};
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for (size_t i = 0; i < v.size(); ++i) {
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REQUIRE(v[i] == generated);
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}
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}
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}
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#endif // CATCH_CONFIG_ENABLE_BENCHMARKING
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