xref: /xnu-8796.101.5/tests/safe_allocation_src/operator.bool.cpp (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5)
1*aca3beaaSApple OSS Distributions //
2*aca3beaaSApple OSS Distributions // Tests for
3*aca3beaaSApple OSS Distributions //      explicit operator bool() const;
4*aca3beaaSApple OSS Distributions //
5*aca3beaaSApple OSS Distributions 
6*aca3beaaSApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*aca3beaaSApple OSS Distributions #include <darwintest.h>
8*aca3beaaSApple OSS Distributions #include "test_utils.h"
9*aca3beaaSApple OSS Distributions #include <type_traits>
10*aca3beaaSApple OSS Distributions 
11*aca3beaaSApple OSS Distributions struct T {
12*aca3beaaSApple OSS Distributions 	int i;
13*aca3beaaSApple OSS Distributions };
14*aca3beaaSApple OSS Distributions 
15*aca3beaaSApple OSS Distributions template <typename T>
16*aca3beaaSApple OSS Distributions static void
tests()17*aca3beaaSApple OSS Distributions tests()
18*aca3beaaSApple OSS Distributions {
19*aca3beaaSApple OSS Distributions 	{
20*aca3beaaSApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*aca3beaaSApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*aca3beaaSApple OSS Distributions 		if (array) {
23*aca3beaaSApple OSS Distributions 		} else {
24*aca3beaaSApple OSS Distributions 			CHECK(FALSE);
25*aca3beaaSApple OSS Distributions 		}
26*aca3beaaSApple OSS Distributions 	}
27*aca3beaaSApple OSS Distributions 	{
28*aca3beaaSApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*aca3beaaSApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*aca3beaaSApple OSS Distributions 		if (!array) {
31*aca3beaaSApple OSS Distributions 		} else {
32*aca3beaaSApple OSS Distributions 			CHECK(FALSE);
33*aca3beaaSApple OSS Distributions 		}
34*aca3beaaSApple OSS Distributions 	}
35*aca3beaaSApple OSS Distributions 
36*aca3beaaSApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*aca3beaaSApple OSS Distributions }
38*aca3beaaSApple OSS Distributions 
39*aca3beaaSApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*aca3beaaSApple OSS Distributions 	tests<T>();
41*aca3beaaSApple OSS Distributions 	tests<T const>();
42*aca3beaaSApple OSS Distributions }
43