3rd-party/catch2
1
0
Fork 0
mirror of https://github.com/catchorg/Catch2.git synced 2025-09-28 07:15:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

Speed up processing mostly visible strings in convertIntoString

Browse Source 
This commit causes small (~5%) slowdown when processing strings
that consist mostly of escaped characters, but improves throughput
by about 100% for strings that consist mostly of characters that
do not need escaping.
This commit is contained in:
Martin Hořeňovský
2025-09-22 22:41:14 +02:00
parent 756ae05d30
commit a00d654437
2 changed files with 46 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
tests/SelfTest/IntrospectiveTests/ToString.tests.cpp
View File

@@ -6,11 +6,13 @@
// SPDX-License-Identifier: BSL-1.0
#include <catch2/benchmark/catch_benchmark.hpp>
#include <catch2/catch_template_test_macros.hpp>
#include <catch2/catch_test_macros.hpp>
#include <catch2/generators/catch_generators.hpp>
#include <catch2/internal/catch_enum_values_registry.hpp>
#include <catch2/matchers/catch_matchers_string.hpp>
#include <catch2/matchers/catch_matchers_vector.hpp>
#include <catch2/catch_test_macros.hpp>
#include <catch2/catch_template_test_macros.hpp>
#include <chrono>
@@ -139,3 +141,26 @@ TEST_CASE( "Exception thrown inside stringify does not fail the test", "[toStrin
ThrowsOnStringification tos;
CHECK( tos == tos );
}
TEST_CASE( "string escaping benchmark", "[toString][!benchmark]" ) {
const auto input_length = GENERATE( as<size_t>{}, 10, 100, 10'000, 100'000 );
std::string test_input( input_length, 'a' );
BENCHMARK( "no-escape string, no-escaping, len=" +
std::to_string( input_length ) ) {
return Catch::Detail::convertIntoString( test_input, false );
};
BENCHMARK( "no-escape string, escaping, len=" +
std::to_string( input_length ) ) {
return Catch::Detail::convertIntoString( test_input, true );
};
std::string escape_input( input_length, '\r' );
BENCHMARK( "full escape string, no-escaping, len=" +
std::to_string( input_length ) ) {
return Catch::Detail::convertIntoString( escape_input, false );
};
BENCHMARK( "full escape string, escaping, len=" +
std::to_string( input_length ) ) {
return Catch::Detail::convertIntoString( escape_input, true );
};
}