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Merge remote-tracking branch 'Kernel/master'

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EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
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147
Kernel/tests/mem_ops.cpp Normal file
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/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef DEBUG
#include <types.h>
#include <memory.hpp>
#include <convert.h>
extern bool DebuggerIsAttached;
extern Memory::MemoryAllocatorType AllocatorType;
__constructor void TestMemoryOperations()
{
if (DebuggerIsAttached)
{
debug("The test is disabled when the debugger is enabled.");
return;
}
if (AllocatorType == Memory::MemoryAllocatorType::Pages)
{
debug("The test is disabled when the allocator is set to pages.");
return;
}
int arr1[5] = {1, 2, 3, 4, 5};
int arr2[5] = {0, 0, 0, 0, 0};
char str1[] = "Hello";
char str2[] = "World";
memcpy_unsafe(arr2, arr1, sizeof(arr1));
debug("memcpy: arr2[0]=%d, arr2[1]=%d, arr2[2]=%d, arr2[3]=%d, arr2[4]=%d",
arr2[0], arr2[1], arr2[2], arr2[3], arr2[4]);
if (memcmp(arr1, arr2, sizeof(arr1)) != 0)
{
error("memcpy failed!");
inf_loop;
}
memset_unsafe(arr2, 0, sizeof(arr2));
debug("memset: arr2[0]=%d, arr2[1]=%d, arr2[2]=%d, arr2[3]=%d, arr2[4]=%d",
arr2[0], arr2[1], arr2[2], arr2[3], arr2[4]);
if (memcmp(arr1, arr2, sizeof(arr1)) == 0)
{
error("memset failed!");
inf_loop;
}
memmove_unsafe(str1 + 3, str1, strlen(str1) + 1);
debug("memmove: str1=%s", str1);
if (strcmp(str1, "HelHello") != 0)
{
error("memmove failed!");
inf_loop;
}
char carr[512];
char carrTo[16];
for (size_t i = 0; i < 512; i++)
{
for (size_t i = 0; i < 16; i++)
carrTo[i] = 'a';
for (size_t i = 0; i < 512; i += 16)
memcpy_unsafe(carr + i, carrTo, 16);
for (size_t i = 0; i < 512; i++)
{
if (carr[i] != 'a')
{
error("memcpy failed!");
while (1)
;
}
}
{
char carrFull[512];
for (size_t i = 0; i < 512; i++)
carrFull[i] = 'b';
memcpy_unsafe(carr, carrFull, 512);
for (size_t i = 0; i < 512; i++)
{
if (carr[i] != 'b')
{
error("memcpy failed!");
while (1)
;
}
}
}
}
for (size_t i = 0; i < 512; i++)
{
for (size_t i = 0; i < 512; i += 16)
memset_unsafe(carr + i, 'c', 16);
for (size_t i = 0; i < 512; i++)
{
if (carr[i] != 'c')
{
error("memcpy failed!");
while (1)
;
}
}
}
for (size_t i = 0; i < 512; i++)
{
memset_unsafe(carr, 'd', 512);
for (size_t i = 0; i < 512; i++)
{
if (carr[i] != 'd')
{
error("memset failed!");
while (1)
;
}
}
}
debug("Memory operations test passed");
}
#endif