xref: /xnu-11215.41.3/tests/safe_allocation_src/ctor.allocate_zero.cpp (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1*33de042dSApple OSS Distributions //
2*33de042dSApple OSS Distributions // Tests for
3*33de042dSApple OSS Distributions //  explicit safe_allocation(size_t n, allocate_memory_zero_t);
4*33de042dSApple OSS Distributions //
5*33de042dSApple OSS Distributions 
6*33de042dSApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*33de042dSApple OSS Distributions #include <darwintest.h>
8*33de042dSApple OSS Distributions #include "test_utils.h"
9*33de042dSApple OSS Distributions 
10*33de042dSApple OSS Distributions struct T {
11*33de042dSApple OSS Distributions 	int i;
12*33de042dSApple OSS Distributions };
13*33de042dSApple OSS Distributions 
14*33de042dSApple OSS Distributions template <typename T>
15*33de042dSApple OSS Distributions static void
tests()16*33de042dSApple OSS Distributions tests()
17*33de042dSApple OSS Distributions {
18*33de042dSApple OSS Distributions 	{
19*33de042dSApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory_zero);
20*33de042dSApple OSS Distributions 		CHECK(array.data() != nullptr);
21*33de042dSApple OSS Distributions 		CHECK(array.size() == 10);
22*33de042dSApple OSS Distributions 		CHECK(array.begin() == array.data());
23*33de042dSApple OSS Distributions 		CHECK(array.end() == array.data() + 10);
24*33de042dSApple OSS Distributions 
25*33de042dSApple OSS Distributions 		auto const byteArray = reinterpret_cast<uint8_t const*>(array.data());
26*33de042dSApple OSS Distributions 		size_t const byteLength = array.size() * sizeof(T);
27*33de042dSApple OSS Distributions 		for (size_t i = 0; i != byteLength; ++i) {
28*33de042dSApple OSS Distributions 			CHECK(byteArray[i] == 0);
29*33de042dSApple OSS Distributions 		}
30*33de042dSApple OSS Distributions 	}
31*33de042dSApple OSS Distributions }
32*33de042dSApple OSS Distributions 
33*33de042dSApple OSS Distributions T_DECL(ctor_allocate_zero, "safe_allocation.ctor.allocate_zero", T_META_TAG_VM_PREFERRED) {
34*33de042dSApple OSS Distributions 	tests<T>();
35*33de042dSApple OSS Distributions 	tests<T const>();
36*33de042dSApple OSS Distributions 	tests<int>();
37*33de042dSApple OSS Distributions 	tests<int const>();
38*33de042dSApple OSS Distributions }
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