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Added allocator tests.

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Бранимир Караџић
2022-11-04 19:09:23 -07:00
parent 20efa22f18
commit a2af648097
2 changed files with 79 additions and 1 deletions
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2
include/bx/inline/allocator.inl
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@@ -49,7 +49,7 @@ namespace bx
inline void* alignedAlloc(AllocatorI* _allocator, size_t _size, size_t _align, const char* _file, uint32_t _line) inline void* alignedAlloc(AllocatorI* _allocator, size_t _size, size_t _align, const char* _file, uint32_t _line)
{ {
const size_t align = max(_align, sizeof(uint32_t) );; const size_t align = max(_align, sizeof(uint32_t) );
const size_t total = _size + align; const size_t total = _size + align;
uint8_t* ptr = (uint8_t*)alloc(_allocator, total, 0, _file, _line); uint8_t* ptr = (uint8_t*)alloc(_allocator, total, 0, _file, _line);
uint8_t* aligned = (uint8_t*)alignPtr(ptr, sizeof(uint32_t), align); uint8_t* aligned = (uint8_t*)alignPtr(ptr, sizeof(uint32_t), align);

78
tests/allocator_test.cpp Normal file
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@@ -0,0 +1,78 @@
/*
* Copyright 2010-2022 Branimir Karadzic. All rights reserved.
* License: https://github.com/bkaradzic/bx/blob/master/LICENSE
*/
#include "test.h"
#include <bx/allocator.h>
struct MockNonFreeingAllocator : public bx::AllocatorI
{
MockNonFreeingAllocator()
: m_sbrk(1)
{
}
~MockNonFreeingAllocator() override
{
}
void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) override
{
BX_ASSERT(_ptr == NULL, "MockNonFreeingAllocator can't realloc or free.");
BX_ASSERT(m_sbrk + _size < BX_COUNTOF(m_storage), "");
BX_UNUSED(_ptr, _file, _line);
const uint32_t sbrk = bx::alignUp(m_sbrk, bx::max(_align, 1) );
m_sbrk = sbrk + _size;
return &m_storage[sbrk];
}
uint32_t m_sbrk;
BX_ALIGN_DECL(256, uint8_t) m_storage[0x10000];
};
bool testAlignment(size_t _expected, void* _ptr)
{
bool aligned = bx::isAligned(_ptr, _expected);
// BX_TRACE("%p, %d", _ptr, _expected);
BX_WARN(aligned, "%p not aligned to %d bytes.", _ptr, _expected);
return aligned;
}
TEST_CASE("Allocator", "")
{
MockNonFreeingAllocator mnfa;
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(2, bx::alloc (&mnfa, 1, 2 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(4, bx::alloc (&mnfa, 1, 4 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(8, bx::alloc (&mnfa, 1, 8 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(16, bx::alloc (&mnfa, 1, 16 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(32, bx::alloc (&mnfa, 1, 32 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(64, bx::alloc (&mnfa, 1, 64 ) ) );
REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(128, bx::alloc (&mnfa, 1, 128) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(2, bx::alignedAlloc(&mnfa, 1, 2 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(4, bx::alignedAlloc(&mnfa, 1, 4 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(8, bx::alignedAlloc(&mnfa, 1, 8 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(16, bx::alignedAlloc(&mnfa, 1, 16 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(32, bx::alignedAlloc(&mnfa, 1, 32 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(64, bx::alignedAlloc(&mnfa, 1, 64 ) ) );
REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
REQUIRE(testAlignment(128, bx::alignedAlloc(&mnfa, 1, 128) ) );
}