unsafe public void ArenaAllocatorAlloc()
{
byte *buffer = arenaAllocator.Allocate <byte>(Bytes);
for (int i = 0; i < Bytes; i++)
{
unchecked
{
buffer[i] = (byte)i;
}
}
arenaAllocator.Free(buffer);
}
public void ArenaAllocatorTest()
{
ArenaAllocator allocator = new ArenaAllocator(1000);
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(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(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);
allocator.Dispose();
Assert.IsFalse(Allocator.IsCached(allocator));
}
/// <summary>
/// Allocates the memory for the given type in the shared memory region.
/// </summary>
/// <typeparam name="T">CodegenProxyType of the allocated object.</typeparam>
/// <param name="allocator">Allocator instance.</param>
/// <returns></returns>
public static T Allocate <T>(this ArenaAllocator allocator)
where T : ICodegenProxy, new()
{
AllocationEntry allocationEntry = allocator.Allocate(default(T).CodegenTypeSize());
T codegenProxy = new T {
Buffer = allocationEntry.Buffer + (int)default(AllocationEntry).CodegenTypeSize()
};
return(codegenProxy);
}
