[apple/xnu.git] / tests / safe_allocation_src / operator.bool.cpp

//
// Tests for
//      explicit operator bool() const;
//

#include <libkern/c++/safe_allocation.h>
#include <darwintest.h>
#include "test_utils.h"
#include <type_traits>

struct T {
	int i;
};

template <typename T>
static void
tests()
{
	{
		test_safe_allocation<T> const array(10, libkern::allocate_memory);
		CHECK(static_cast<bool>(array));
		if (array) {
		} else {
			CHECK(FALSE);
		}
	}
	{
		test_safe_allocation<T> const array = nullptr;
		CHECK(!static_cast<bool>(array));
		if (!array) {
		} else {
			CHECK(FALSE);
		}
	}

	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
}

T_DECL(operator_bool, "safe_allocation.operator.bool") {
	tests<T>();
	tests<T const>();
}
Commit	Line	Data
f427ee49 A	1	//
	2	// Tests for
	3	// explicit operator bool() const;
	4	//
	5
	6	#include <libkern/c++/safe_allocation.h>
	7	#include <darwintest.h>
	8	#include "test_utils.h"
	9	#include <type_traits>
	10
	11	struct T {
	12	int i;
	13	};
	14
	15	template <typename T>
	16	static void
	17	tests()
	18	{
	19	{
	20	test_safe_allocation<T> const array(10, libkern::allocate_memory);
	21	CHECK(static_cast<bool>(array));
	22	if (array) {
	23	} else {
	24	CHECK(FALSE);
	25	}
	26	}
	27	{
	28	test_safe_allocation<T> const array = nullptr;
	29	CHECK(!static_cast<bool>(array));
	30	if (!array) {
	31	} else {
	32	CHECK(FALSE);
	33	}
	34	}
	35
	36	static_assert(!std::is_convertible_v<test_safe_allocation<T>, bool>);
	37	}
	38
	39	T_DECL(operator_bool, "safe_allocation.operator.bool") {
	40	tests<T>();
	41	tests<T const>();
	42	}