xref: /xnu-10002.1.13/tests/safe_allocation_src/operator.bool.cpp (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1*1031c584SApple OSS Distributions //
2*1031c584SApple OSS Distributions // Tests for
3*1031c584SApple OSS Distributions //      explicit operator bool() const;
4*1031c584SApple OSS Distributions //
5*1031c584SApple OSS Distributions 
6*1031c584SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*1031c584SApple OSS Distributions #include <darwintest.h>
8*1031c584SApple OSS Distributions #include "test_utils.h"
9*1031c584SApple OSS Distributions #include <type_traits>
10*1031c584SApple OSS Distributions 
11*1031c584SApple OSS Distributions struct T {
12*1031c584SApple OSS Distributions 	int i;
13*1031c584SApple OSS Distributions };
14*1031c584SApple OSS Distributions 
15*1031c584SApple OSS Distributions template <typename T>
16*1031c584SApple OSS Distributions static void
tests()17*1031c584SApple OSS Distributions tests()
18*1031c584SApple OSS Distributions {
19*1031c584SApple OSS Distributions 	{
20*1031c584SApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*1031c584SApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*1031c584SApple OSS Distributions 		if (array) {
23*1031c584SApple OSS Distributions 		} else {
24*1031c584SApple OSS Distributions 			CHECK(FALSE);
25*1031c584SApple OSS Distributions 		}
26*1031c584SApple OSS Distributions 	}
27*1031c584SApple OSS Distributions 	{
28*1031c584SApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*1031c584SApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*1031c584SApple OSS Distributions 		if (!array) {
31*1031c584SApple OSS Distributions 		} else {
32*1031c584SApple OSS Distributions 			CHECK(FALSE);
33*1031c584SApple OSS Distributions 		}
34*1031c584SApple OSS Distributions 	}
35*1031c584SApple OSS Distributions 
36*1031c584SApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*1031c584SApple OSS Distributions }
38*1031c584SApple OSS Distributions 
39*1031c584SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*1031c584SApple OSS Distributions 	tests<T>();
41*1031c584SApple OSS Distributions 	tests<T const>();
42*1031c584SApple OSS Distributions }
43