xref: /xnu-8796.141.3/tests/safe_allocation_src/operator.bool.cpp (revision 1b191cb58250d0705d8a51287127505aa4bc0789)
1*1b191cb5SApple OSS Distributions //
2*1b191cb5SApple OSS Distributions // Tests for
3*1b191cb5SApple OSS Distributions //      explicit operator bool() const;
4*1b191cb5SApple OSS Distributions //
5*1b191cb5SApple OSS Distributions 
6*1b191cb5SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
7*1b191cb5SApple OSS Distributions #include <darwintest.h>
8*1b191cb5SApple OSS Distributions #include "test_utils.h"
9*1b191cb5SApple OSS Distributions #include <type_traits>
10*1b191cb5SApple OSS Distributions 
11*1b191cb5SApple OSS Distributions struct T {
12*1b191cb5SApple OSS Distributions 	int i;
13*1b191cb5SApple OSS Distributions };
14*1b191cb5SApple OSS Distributions 
15*1b191cb5SApple OSS Distributions template <typename T>
16*1b191cb5SApple OSS Distributions static void
tests()17*1b191cb5SApple OSS Distributions tests()
18*1b191cb5SApple OSS Distributions {
19*1b191cb5SApple OSS Distributions 	{
20*1b191cb5SApple OSS Distributions 		test_safe_allocation<T> const array(10, libkern::allocate_memory);
21*1b191cb5SApple OSS Distributions 		CHECK(static_cast<bool>(array));
22*1b191cb5SApple OSS Distributions 		if (array) {
23*1b191cb5SApple OSS Distributions 		} else {
24*1b191cb5SApple OSS Distributions 			CHECK(FALSE);
25*1b191cb5SApple OSS Distributions 		}
26*1b191cb5SApple OSS Distributions 	}
27*1b191cb5SApple OSS Distributions 	{
28*1b191cb5SApple OSS Distributions 		test_safe_allocation<T> const array = nullptr;
29*1b191cb5SApple OSS Distributions 		CHECK(!static_cast<bool>(array));
30*1b191cb5SApple OSS Distributions 		if (!array) {
31*1b191cb5SApple OSS Distributions 		} else {
32*1b191cb5SApple OSS Distributions 			CHECK(FALSE);
33*1b191cb5SApple OSS Distributions 		}
34*1b191cb5SApple OSS Distributions 	}
35*1b191cb5SApple OSS Distributions 
36*1b191cb5SApple OSS Distributions 	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
37*1b191cb5SApple OSS Distributions }
38*1b191cb5SApple OSS Distributions 
39*1b191cb5SApple OSS Distributions T_DECL(operator_bool, "safe_allocation.operator.bool") {
40*1b191cb5SApple OSS Distributions 	tests<T>();
41*1b191cb5SApple OSS Distributions 	tests<T const>();
42*1b191cb5SApple OSS Distributions }
43