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