| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | |
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| 11 | #include <format> |
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| 12 | |
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| 13 | #include <string> |
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| 14 | |
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| 15 | #include "benchmark/benchmark.h" |
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| 16 | #include "make_string.h" |
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| 17 | #include "test_macros.h" |
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| 18 | |
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| 19 | #define CSTR(S) MAKE_CSTRING(CharT, S) |
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| 20 | |
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| 21 | template <class CharT> |
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| 22 | static void BM_formatted_size_string(benchmark::State& state) { |
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| 23 | size_t size = state.range(pos: 0); |
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| 24 | std::basic_string<CharT> str(size, CharT('*')); |
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| 25 | |
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| 26 | while (state.KeepRunningBatch(str.size())) |
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| 27 | benchmark::DoNotOptimize(std::formatted_size(CSTR("{}" ), str)); |
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| 28 | |
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| 29 | state.SetBytesProcessed(state.iterations() * size * sizeof(CharT)); |
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| 30 | } |
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| 31 | BENCHMARK(BM_formatted_size_string<char>)->RangeMultiplier(multiplier: 2)->Range(start: 1, limit: 1 << 20); |
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| 32 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
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| 33 | BENCHMARK(BM_formatted_size_string<wchar_t>)->RangeMultiplier(multiplier: 2)->Range(start: 1, limit: 1 << 20); |
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| 34 | #endif |
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| 35 | |
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| 36 | BENCHMARK_MAIN(); |
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| 37 | |
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