1 //
2 // Tests for
3 //      size_t size() const;
4 //
5 
6 #include <libkern/c++/safe_allocation.h>
7 #include <darwintest.h>
8 #include "test_utils.h"
9 #include <cstddef>
10 #include <type_traits>
11 #include <utility>
12 
13 struct T {
14 	int i;
15 };
16 
17 template <typename T>
18 static void
tests()19 tests()
20 {
21 	{
22 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
23 		CHECK(array.size() == 10);
24 	}
25 	{
26 		T* memory = reinterpret_cast<T*>(malloc_allocator::allocate(10 * sizeof(T)));
27 		test_safe_allocation<T> const array(memory, 10, libkern::adopt_memory);
28 		CHECK(array.size() == 10);
29 	}
30 	{
31 		test_safe_allocation<T> const array(nullptr, 0, libkern::adopt_memory);
32 		CHECK(array.size() == 0);
33 	}
34 	{
35 		test_safe_allocation<T> const array;
36 		CHECK(array.size() == 0);
37 	}
38 
39 	{
40 		using Size = decltype(std::declval<test_safe_allocation<T> const&>().size());
41 		static_assert(std::is_same_v<Size, std::size_t>);
42 	}
43 }
44 
45 T_DECL(size, "safe_allocation.size", T_META_TAG_VM_PREFERRED) {
46 	tests<T>();
47 	tests<T const>();
48 }
49