xref: /xnu-10002.81.5/tests/safe_allocation_src/operator.bool.cpp (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions //
2*5e3eaea3SApple OSS Distributions // Tests for
3*5e3eaea3SApple OSS Distributions //      explicit operator bool() const;
4*5e3eaea3SApple OSS Distributions //
5*5e3eaea3SApple OSS Distributions 
6*5e3eaea3SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*5e3eaea3SApple OSS Distributions #include <darwintest.h>
8*5e3eaea3SApple OSS Distributions #include "test_utils.h"
9*5e3eaea3SApple OSS Distributions #include <type_traits>
10*5e3eaea3SApple OSS Distributions 
11*5e3eaea3SApple OSS Distributions struct T {
12*5e3eaea3SApple OSS Distributions 	int i;
13*5e3eaea3SApple OSS Distributions };
14*5e3eaea3SApple OSS Distributions 
15*5e3eaea3SApple OSS Distributions template <typename T>
16*5e3eaea3SApple OSS Distributions static void
tests()17*5e3eaea3SApple OSS Distributions tests()
18*5e3eaea3SApple OSS Distributions {
19*5e3eaea3SApple OSS Distributions 	{
20*5e3eaea3SApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*5e3eaea3SApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*5e3eaea3SApple OSS Distributions 		if (array) {
23*5e3eaea3SApple OSS Distributions 		} else {
24*5e3eaea3SApple OSS Distributions 			CHECK(FALSE);
25*5e3eaea3SApple OSS Distributions 		}
26*5e3eaea3SApple OSS Distributions 	}
27*5e3eaea3SApple OSS Distributions 	{
28*5e3eaea3SApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*5e3eaea3SApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*5e3eaea3SApple OSS Distributions 		if (!array) {
31*5e3eaea3SApple OSS Distributions 		} else {
32*5e3eaea3SApple OSS Distributions 			CHECK(FALSE);
33*5e3eaea3SApple OSS Distributions 		}
34*5e3eaea3SApple OSS Distributions 	}
35*5e3eaea3SApple OSS Distributions 
36*5e3eaea3SApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*5e3eaea3SApple OSS Distributions }
38*5e3eaea3SApple OSS Distributions 
39*5e3eaea3SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*5e3eaea3SApple OSS Distributions 	tests<T>();
41*5e3eaea3SApple OSS Distributions 	tests<T const>();
42*5e3eaea3SApple OSS Distributions }
43