mirror of
https://github.com/holub/mame
synced 2025-04-24 09:20:02 +03:00
79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
/*
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* Copyright 2010-2022 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bx/blob/master/LICENSE
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*/
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#include "test.h"
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#include <bx/allocator.h>
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struct MockNonFreeingAllocator : public bx::AllocatorI
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{
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MockNonFreeingAllocator()
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: m_sbrk(1)
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{
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}
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~MockNonFreeingAllocator() override
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{
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}
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void* realloc(void* _ptr, size_t _size, size_t _align, const char* _file, uint32_t _line) override
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{
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BX_ASSERT(_ptr == NULL, "MockNonFreeingAllocator can't realloc or free.");
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BX_ASSERT(m_sbrk + _size < BX_COUNTOF(m_storage), "");
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BX_UNUSED(_ptr, _file, _line);
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const uint32_t sbrk = bx::alignUp(m_sbrk, bx::max(_align, 1) );
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m_sbrk = sbrk + _size;
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return &m_storage[sbrk];
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}
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uint32_t m_sbrk;
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BX_ALIGN_DECL(256, uint8_t) m_storage[0x10000];
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};
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bool testAlignment(size_t _expected, void* _ptr)
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{
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bool aligned = bx::isAligned(_ptr, _expected);
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// BX_TRACE("%p, %d", _ptr, _expected);
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BX_WARN(aligned, "%p not aligned to %d bytes.", _ptr, _expected);
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return aligned;
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}
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TEST_CASE("Allocator", "")
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{
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MockNonFreeingAllocator mnfa;
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(2, bx::alloc (&mnfa, 1, 2 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(4, bx::alloc (&mnfa, 1, 4 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(8, bx::alloc (&mnfa, 1, 8 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(16, bx::alloc (&mnfa, 1, 16 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(32, bx::alloc (&mnfa, 1, 32 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(64, bx::alloc (&mnfa, 1, 64 ) ) );
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REQUIRE(testAlignment(1, bx::alloc (&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(128, bx::alloc (&mnfa, 1, 128) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(2, bx::alignedAlloc(&mnfa, 1, 2 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(4, bx::alignedAlloc(&mnfa, 1, 4 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(8, bx::alignedAlloc(&mnfa, 1, 8 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(16, bx::alignedAlloc(&mnfa, 1, 16 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(32, bx::alignedAlloc(&mnfa, 1, 32 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(64, bx::alignedAlloc(&mnfa, 1, 64 ) ) );
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REQUIRE(testAlignment(1, bx::alignedAlloc(&mnfa, 1, 1 ) ) );
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REQUIRE(testAlignment(128, bx::alignedAlloc(&mnfa, 1, 128) ) );
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}
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