public void DefaultHeapAllocatorTest()
{
DefaultHeapAllocator allocator = DefaultHeapAllocator.Instance;
Assert.AreSame(allocator, Allocator.GetAllocatorByID(allocator.ID));
Assert.IsTrue(Allocator.IsCached(allocator));
int *p = allocator.Allocate <int>(4);
for (int i = 0; i < 4; i++)
{
p[i] = i + 1;
}
Assert.AreEqual(4 * 4, allocator.SizeOf(p));
Assert.AreEqual(1, p[0]);
Assert.AreEqual(2, p[1]);
Assert.AreEqual(3, p[2]);
Assert.AreEqual(4, p[3]);
p = allocator.Reallocate(p, 6);
Assert.AreEqual(6 * 4, allocator.SizeOf(p));
Assert.AreEqual(1, p[0]);
Assert.AreEqual(2, p[1]);
Assert.AreEqual(3, p[2]);
Assert.AreEqual(4, p[3]);
Assert.AreEqual(0, p[4]);
Assert.AreEqual(0, p[5]);
allocator.Free(p);
}
static Allocator()
{
#if DEBUG
unsafe
{
DefaultHeapAllocator defaultAllocator = DefaultHeapAllocator.Instance;
Default = new DebugAllocator(defaultAllocator, defaultAllocator.SizeOf);
}
#else
Default = DefaultHeapAllocator.Instance;
#endif
}
public void Setup()
{
int AllocatorSize = Bytes * 2;
var defaultAlloc = Allocator.Default;
if (defaultAlloc == null)
{
throw new Exception("Null default allocator");
}
heapAllocator = DefaultHeapAllocator.Instance;
localAllocator = DefaultLocalAllocator.Instance;
cAllocator = DefaultCppAllocator.Instance;
arenaAllocator = new ArenaAllocator(AllocatorSize);
stackAllocator = new StackAllocator(AllocatorSize);
fixedPoolAllocator = new FixedMemoryPoolAllocator(10, AllocatorSize);
poolAllocator = new MemoryPoolAllocator(AllocatorSize);
}
