xref: /xnu-12377.41.6/tests/safe_allocation_src/usage.two_dimensions.cpp (revision bbb1b6f9e71b8cdde6e5cd6f4841f207dee3d828)
1*bbb1b6f9SApple OSS Distributions //
2*bbb1b6f9SApple OSS Distributions // Make sure `safe_allocation` can be used to create a two-dimensional array.
3*bbb1b6f9SApple OSS Distributions //
4*bbb1b6f9SApple OSS Distributions // Note that we don't really recommend using that representation for two
5*bbb1b6f9SApple OSS Distributions // dimensional arrays because other representations are better, but it
6*bbb1b6f9SApple OSS Distributions // should at least work.
7*bbb1b6f9SApple OSS Distributions //
8*bbb1b6f9SApple OSS Distributions 
9*bbb1b6f9SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
10*bbb1b6f9SApple OSS Distributions #include <darwintest.h>
11*bbb1b6f9SApple OSS Distributions #include "test_utils.h"
12*bbb1b6f9SApple OSS Distributions 
13*bbb1b6f9SApple OSS Distributions struct T {
14*bbb1b6f9SApple OSS Distributions 	int i;
15*bbb1b6f9SApple OSS Distributions };
16*bbb1b6f9SApple OSS Distributions 
17*bbb1b6f9SApple OSS Distributions template <typename T>
18*bbb1b6f9SApple OSS Distributions static void
tests()19*bbb1b6f9SApple OSS Distributions tests()
20*bbb1b6f9SApple OSS Distributions {
21*bbb1b6f9SApple OSS Distributions 	test_safe_allocation<test_safe_allocation<int> > array(10, libkern::allocate_memory);
22*bbb1b6f9SApple OSS Distributions 
23*bbb1b6f9SApple OSS Distributions 	for (int i = 0; i < 10; i++) {
24*bbb1b6f9SApple OSS Distributions 		array[i] = test_safe_allocation<int>(10, libkern::allocate_memory);
25*bbb1b6f9SApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
26*bbb1b6f9SApple OSS Distributions 			array[i][j] = i + j;
27*bbb1b6f9SApple OSS Distributions 		}
28*bbb1b6f9SApple OSS Distributions 	}
29*bbb1b6f9SApple OSS Distributions 
30*bbb1b6f9SApple OSS Distributions 	for (int i = 0; i < 10; i++) {
31*bbb1b6f9SApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
32*bbb1b6f9SApple OSS Distributions 			CHECK(array[i][j] == i + j);
33*bbb1b6f9SApple OSS Distributions 		}
34*bbb1b6f9SApple OSS Distributions 	}
35*bbb1b6f9SApple OSS Distributions }
36*bbb1b6f9SApple OSS Distributions 
37*bbb1b6f9SApple OSS Distributions T_DECL(usage_two_dimensions, "safe_allocation.usage.two_dimensions", T_META_TAG_VM_PREFERRED) {
38*bbb1b6f9SApple OSS Distributions 	tests<T>();
39*bbb1b6f9SApple OSS Distributions }
40