xref: /xnu-10002.41.9/tests/safe_allocation_src/operator.bool.cpp (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions //
2*699cd480SApple OSS Distributions // Tests for
3*699cd480SApple OSS Distributions //      explicit operator bool() const;
4*699cd480SApple OSS Distributions //
5*699cd480SApple OSS Distributions 
6*699cd480SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*699cd480SApple OSS Distributions #include <darwintest.h>
8*699cd480SApple OSS Distributions #include "test_utils.h"
9*699cd480SApple OSS Distributions #include <type_traits>
10*699cd480SApple OSS Distributions 
11*699cd480SApple OSS Distributions struct T {
12*699cd480SApple OSS Distributions 	int i;
13*699cd480SApple OSS Distributions };
14*699cd480SApple OSS Distributions 
15*699cd480SApple OSS Distributions template <typename T>
16*699cd480SApple OSS Distributions static void
tests()17*699cd480SApple OSS Distributions tests()
18*699cd480SApple OSS Distributions {
19*699cd480SApple OSS Distributions 	{
20*699cd480SApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*699cd480SApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*699cd480SApple OSS Distributions 		if (array) {
23*699cd480SApple OSS Distributions 		} else {
24*699cd480SApple OSS Distributions 			CHECK(FALSE);
25*699cd480SApple OSS Distributions 		}
26*699cd480SApple OSS Distributions 	}
27*699cd480SApple OSS Distributions 	{
28*699cd480SApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*699cd480SApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*699cd480SApple OSS Distributions 		if (!array) {
31*699cd480SApple OSS Distributions 		} else {
32*699cd480SApple OSS Distributions 			CHECK(FALSE);
33*699cd480SApple OSS Distributions 		}
34*699cd480SApple OSS Distributions 	}
35*699cd480SApple OSS Distributions 
36*699cd480SApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*699cd480SApple OSS Distributions }
38*699cd480SApple OSS Distributions 
39*699cd480SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*699cd480SApple OSS Distributions 	tests<T>();
41*699cd480SApple OSS Distributions 	tests<T const>();
42*699cd480SApple OSS Distributions }
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