mirror of
https://github.com/minetest/minetest.git
synced 2025-03-06 20:48:40 +01:00
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Luanti
|
|
// SPDX-License-Identifier: LGPL-2.1-or-later
|
|
// Copyright (C) 2022 Minetest Authors
|
|
|
|
#include "catch.h"
|
|
#include "util/serialize.h"
|
|
#include <sstream>
|
|
#include <ios>
|
|
|
|
// Builds a string of exactly `length` characters by repeating `s` (rest cut off)
|
|
static std::string makeRepeatTo(const std::string &s, size_t length)
|
|
{
|
|
std::string v;
|
|
v.reserve(length + s.size());
|
|
for (size_t i = 0; i < length; i += s.size()) {
|
|
v += s;
|
|
}
|
|
v.resize(length);
|
|
return v;
|
|
}
|
|
|
|
#define BENCH3(_label, _chars, _length, _lengthlabel) \
|
|
BENCHMARK_ADVANCED("serializeJsonStringIfNeeded_" _lengthlabel "_" _label)(Catch::Benchmark::Chronometer meter) { \
|
|
std::string s = makeRepeatTo(_chars, _length); \
|
|
meter.measure([&] { return serializeJsonStringIfNeeded(s); }); \
|
|
}; \
|
|
BENCHMARK_ADVANCED("deSerializeJsonStringIfNeeded_" _lengthlabel "_" _label)(Catch::Benchmark::Chronometer meter) { \
|
|
std::string s = makeRepeatTo(_chars, _length); \
|
|
std::string serialized = serializeJsonStringIfNeeded(s); \
|
|
std::istringstream is(serialized, std::ios::binary); \
|
|
meter.measure([&] { \
|
|
is.clear(); \
|
|
is.seekg(0, std::ios::beg); \
|
|
return deSerializeJsonStringIfNeeded(is); \
|
|
}); \
|
|
};
|
|
|
|
/* Both with and without a space character (' ') */
|
|
#define BENCH2(_label, _chars, _length, _lengthlabel) \
|
|
BENCH3(_label, _chars, _length, _lengthlabel) \
|
|
BENCH3(_label "_with_space", " " _chars, _length, _lengthlabel) \
|
|
|
|
/* Iterate over input lengths */
|
|
#define BENCH1(_label, _chars) \
|
|
BENCH2(_label, _chars, 10, "small") \
|
|
BENCH2(_label, _chars, 10000, "large")
|
|
|
|
/* Iterate over character sets */
|
|
#define BENCH_ALL() \
|
|
BENCH1("alpha", "abcdefghijklmnopqrstuvwxyz") \
|
|
BENCH1("escaped", "\"\\/\b\f\n\r\t") \
|
|
BENCH1("nonascii", "\xf0\xff")
|
|
|
|
TEST_CASE("benchmark_serialize") {
|
|
BENCH_ALL()
|
|
}
|