xref: /xnu-10063.141.1/tests/safe_allocation_src/operator.bool.cpp (revision d8b80295118ef25ac3a784134bcf95cd8e88109f)
1*d8b80295SApple OSS Distributions //
2*d8b80295SApple OSS Distributions // Tests for
3*d8b80295SApple OSS Distributions //      explicit operator bool() const;
4*d8b80295SApple OSS Distributions //
5*d8b80295SApple OSS Distributions 
6*d8b80295SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*d8b80295SApple OSS Distributions #include <darwintest.h>
8*d8b80295SApple OSS Distributions #include "test_utils.h"
9*d8b80295SApple OSS Distributions #include <type_traits>
10*d8b80295SApple OSS Distributions 
11*d8b80295SApple OSS Distributions struct T {
12*d8b80295SApple OSS Distributions 	int i;
13*d8b80295SApple OSS Distributions };
14*d8b80295SApple OSS Distributions 
15*d8b80295SApple OSS Distributions template <typename T>
16*d8b80295SApple OSS Distributions static void
tests()17*d8b80295SApple OSS Distributions tests()
18*d8b80295SApple OSS Distributions {
19*d8b80295SApple OSS Distributions 	{
20*d8b80295SApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*d8b80295SApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*d8b80295SApple OSS Distributions 		if (array) {
23*d8b80295SApple OSS Distributions 		} else {
24*d8b80295SApple OSS Distributions 			CHECK(FALSE);
25*d8b80295SApple OSS Distributions 		}
26*d8b80295SApple OSS Distributions 	}
27*d8b80295SApple OSS Distributions 	{
28*d8b80295SApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*d8b80295SApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*d8b80295SApple OSS Distributions 		if (!array) {
31*d8b80295SApple OSS Distributions 		} else {
32*d8b80295SApple OSS Distributions 			CHECK(FALSE);
33*d8b80295SApple OSS Distributions 		}
34*d8b80295SApple OSS Distributions 	}
35*d8b80295SApple OSS Distributions 
36*d8b80295SApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*d8b80295SApple OSS Distributions }
38*d8b80295SApple OSS Distributions 
39*d8b80295SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*d8b80295SApple OSS Distributions 	tests<T>();
41*d8b80295SApple OSS Distributions 	tests<T const>();
42*d8b80295SApple OSS Distributions }
43