xref: /xnu-10002.61.3/tests/safe_allocation_src/ctor.allocate_zero.cpp (revision 0f4c859e951fba394238ab619495c4e1d54d0f34)
1*0f4c859eSApple OSS Distributions //
2*0f4c859eSApple OSS Distributions // Tests for
3*0f4c859eSApple OSS Distributions //  explicit safe_allocation(size_t n, allocate_memory_zero_t);
4*0f4c859eSApple OSS Distributions //
5*0f4c859eSApple OSS Distributions 
6*0f4c859eSApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*0f4c859eSApple OSS Distributions #include <darwintest.h>
8*0f4c859eSApple OSS Distributions #include "test_utils.h"
9*0f4c859eSApple OSS Distributions 
10*0f4c859eSApple OSS Distributions struct T {
11*0f4c859eSApple OSS Distributions 	int i;
12*0f4c859eSApple OSS Distributions };
13*0f4c859eSApple OSS Distributions 
14*0f4c859eSApple OSS Distributions template <typename T>
15*0f4c859eSApple OSS Distributions static void
tests()16*0f4c859eSApple OSS Distributions tests()
17*0f4c859eSApple OSS Distributions {
18*0f4c859eSApple OSS Distributions 	{
19*0f4c859eSApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory_zero);
20*0f4c859eSApple OSS Distributions 		CHECK(array.data() != nullptr);
21*0f4c859eSApple OSS Distributions 		CHECK(array.size() == 10);
22*0f4c859eSApple OSS Distributions 		CHECK(array.begin() == array.data());
23*0f4c859eSApple OSS Distributions 		CHECK(array.end() == array.data() + 10);
24*0f4c859eSApple OSS Distributions 
25*0f4c859eSApple OSS Distributions 		auto const byteArray = reinterpret_cast<uint8_t const*>(array.data());
26*0f4c859eSApple OSS Distributions 		size_t const byteLength = array.size() * sizeof(T);
27*0f4c859eSApple OSS Distributions 		for (size_t i = 0; i != byteLength; ++i) {
28*0f4c859eSApple OSS Distributions 			CHECK(byteArray[i] == 0);
29*0f4c859eSApple OSS Distributions 		}
30*0f4c859eSApple OSS Distributions 	}
31*0f4c859eSApple OSS Distributions }
32*0f4c859eSApple OSS Distributions 
33*0f4c859eSApple OSS Distributions T_DECL(ctor_allocate_zero, "safe_allocation.ctor.allocate_zero") {
34*0f4c859eSApple OSS Distributions 	tests<T>();
35*0f4c859eSApple OSS Distributions 	tests<T const>();
36*0f4c859eSApple OSS Distributions 	tests<int>();
37*0f4c859eSApple OSS Distributions 	tests<int const>();
38*0f4c859eSApple OSS Distributions }
39