xref: /xnu-12377.61.12/tests/safe_allocation_src/usage.two_dimensions.cpp (revision 4d495c6e23c53686cf65f45067f79024cf5dcee8)
1*4d495c6eSApple OSS Distributions //
2*4d495c6eSApple OSS Distributions // Make sure `safe_allocation` can be used to create a two-dimensional array.
3*4d495c6eSApple OSS Distributions //
4*4d495c6eSApple OSS Distributions // Note that we don't really recommend using that representation for two
5*4d495c6eSApple OSS Distributions // dimensional arrays because other representations are better, but it
6*4d495c6eSApple OSS Distributions // should at least work.
7*4d495c6eSApple OSS Distributions //
8*4d495c6eSApple OSS Distributions 
9*4d495c6eSApple OSS Distributions #include <libkern/c++/safe_allocation.h>
10*4d495c6eSApple OSS Distributions #include <darwintest.h>
11*4d495c6eSApple OSS Distributions #include "test_utils.h"
12*4d495c6eSApple OSS Distributions 
13*4d495c6eSApple OSS Distributions struct T {
14*4d495c6eSApple OSS Distributions 	int i;
15*4d495c6eSApple OSS Distributions };
16*4d495c6eSApple OSS Distributions 
17*4d495c6eSApple OSS Distributions template <typename T>
18*4d495c6eSApple OSS Distributions static void
tests()19*4d495c6eSApple OSS Distributions tests()
20*4d495c6eSApple OSS Distributions {
21*4d495c6eSApple OSS Distributions 	test_safe_allocation<test_safe_allocation<int> > array(10, libkern::allocate_memory);
22*4d495c6eSApple OSS Distributions 
23*4d495c6eSApple OSS Distributions 	for (int i = 0; i < 10; i++) {
24*4d495c6eSApple OSS Distributions 		array[i] = test_safe_allocation<int>(10, libkern::allocate_memory);
25*4d495c6eSApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
26*4d495c6eSApple OSS Distributions 			array[i][j] = i + j;
27*4d495c6eSApple OSS Distributions 		}
28*4d495c6eSApple OSS Distributions 	}
29*4d495c6eSApple OSS Distributions 
30*4d495c6eSApple OSS Distributions 	for (int i = 0; i < 10; i++) {
31*4d495c6eSApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
32*4d495c6eSApple OSS Distributions 			CHECK(array[i][j] == i + j);
33*4d495c6eSApple OSS Distributions 		}
34*4d495c6eSApple OSS Distributions 	}
35*4d495c6eSApple OSS Distributions }
36*4d495c6eSApple OSS Distributions 
37*4d495c6eSApple OSS Distributions T_DECL(usage_two_dimensions, "safe_allocation.usage.two_dimensions", T_META_TAG_VM_PREFERRED) {
38*4d495c6eSApple OSS Distributions 	tests<T>();
39*4d495c6eSApple OSS Distributions }
40