mame/3rdparty/bx/tests/sort_test.cpp
Бранимир Караџић a851430879 Update bx to latest
2021-08-10 20:26:34 +02:00

53 lines
1.1 KiB
C++

/*
* Copyright 2010-2021 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
*/
#include "test.h"
#include <bx/sort.h>
#include <bx/string.h>
#include <bx/rng.h>
TEST_CASE("quickSort", "")
{
const char* str[] =
{
"jabuka",
"kruska",
"malina",
"jagoda",
};
bx::quickSort(str, BX_COUNTOF(str), sizeof(void*)
, [](const void* _lhs, const void* _rhs)
{
const char* lhs = *(const char**)_lhs;
const char* rhs = *(const char**)_rhs;
return bx::strCmp(lhs, rhs);
});
REQUIRE(0 == bx::strCmp(str[0], "jabuka") );
REQUIRE(0 == bx::strCmp(str[1], "jagoda") );
REQUIRE(0 == bx::strCmp(str[2], "kruska") );
REQUIRE(0 == bx::strCmp(str[3], "malina") );
int8_t byte[128];
bx::RngMwc rng;
for (uint32_t ii = 0; ii < BX_COUNTOF(byte); ++ii)
{
byte[ii] = rng.gen()&0xff;
}
bx::quickSort(byte, BX_COUNTOF(byte), 1
, [](const void* _lhs, const void* _rhs)
{
int8_t lhs = *(const int8_t*)_lhs;
int8_t rhs = *(const int8_t*)_rhs;
return lhs - rhs;
});
for (uint32_t ii = 1; ii < BX_COUNTOF(byte); ++ii)
{
REQUIRE(byte[ii-1] <= byte[ii]);
}
}