xref: /xnu-10002.61.3/tests/safe_allocation_src/operator.bool.cpp (revision 0f4c859e951fba394238ab619495c4e1d54d0f34)
1*0f4c859eSApple OSS Distributions //
2*0f4c859eSApple OSS Distributions // Tests for
3*0f4c859eSApple OSS Distributions //      explicit operator bool() const;
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 #include <type_traits>
10*0f4c859eSApple OSS Distributions 
11*0f4c859eSApple OSS Distributions struct T {
12*0f4c859eSApple OSS Distributions 	int i;
13*0f4c859eSApple OSS Distributions };
14*0f4c859eSApple OSS Distributions 
15*0f4c859eSApple OSS Distributions template <typename T>
16*0f4c859eSApple OSS Distributions static void
tests()17*0f4c859eSApple OSS Distributions tests()
18*0f4c859eSApple OSS Distributions {
19*0f4c859eSApple OSS Distributions 	{
20*0f4c859eSApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*0f4c859eSApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*0f4c859eSApple OSS Distributions 		if (array) {
23*0f4c859eSApple OSS Distributions 		} else {
24*0f4c859eSApple OSS Distributions 			CHECK(FALSE);
25*0f4c859eSApple OSS Distributions 		}
26*0f4c859eSApple OSS Distributions 	}
27*0f4c859eSApple OSS Distributions 	{
28*0f4c859eSApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*0f4c859eSApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*0f4c859eSApple OSS Distributions 		if (!array) {
31*0f4c859eSApple OSS Distributions 		} else {
32*0f4c859eSApple OSS Distributions 			CHECK(FALSE);
33*0f4c859eSApple OSS Distributions 		}
34*0f4c859eSApple OSS Distributions 	}
35*0f4c859eSApple OSS Distributions 
36*0f4c859eSApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*0f4c859eSApple OSS Distributions }
38*0f4c859eSApple OSS Distributions 
39*0f4c859eSApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*0f4c859eSApple OSS Distributions 	tests<T>();
41*0f4c859eSApple OSS Distributions 	tests<T const>();
42*0f4c859eSApple OSS Distributions }
43