xref: /xnu-12377.1.9/tests/safe_allocation_src/usage.two_dimensions.cpp (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions //
2*f6217f89SApple OSS Distributions // Make sure `safe_allocation` can be used to create a two-dimensional array.
3*f6217f89SApple OSS Distributions //
4*f6217f89SApple OSS Distributions // Note that we don't really recommend using that representation for two
5*f6217f89SApple OSS Distributions // dimensional arrays because other representations are better, but it
6*f6217f89SApple OSS Distributions // should at least work.
7*f6217f89SApple OSS Distributions //
8*f6217f89SApple OSS Distributions 
9*f6217f89SApple OSS Distributions #include <libkern/c++/safe_allocation.h>
10*f6217f89SApple OSS Distributions #include <darwintest.h>
11*f6217f89SApple OSS Distributions #include "test_utils.h"
12*f6217f89SApple OSS Distributions 
13*f6217f89SApple OSS Distributions struct T {
14*f6217f89SApple OSS Distributions 	int i;
15*f6217f89SApple OSS Distributions };
16*f6217f89SApple OSS Distributions 
17*f6217f89SApple OSS Distributions template <typename T>
18*f6217f89SApple OSS Distributions static void
tests()19*f6217f89SApple OSS Distributions tests()
20*f6217f89SApple OSS Distributions {
21*f6217f89SApple OSS Distributions 	test_safe_allocation<test_safe_allocation<int> > array(10, libkern::allocate_memory);
22*f6217f89SApple OSS Distributions 
23*f6217f89SApple OSS Distributions 	for (int i = 0; i < 10; i++) {
24*f6217f89SApple OSS Distributions 		array[i] = test_safe_allocation<int>(10, libkern::allocate_memory);
25*f6217f89SApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
26*f6217f89SApple OSS Distributions 			array[i][j] = i + j;
27*f6217f89SApple OSS Distributions 		}
28*f6217f89SApple OSS Distributions 	}
29*f6217f89SApple OSS Distributions 
30*f6217f89SApple OSS Distributions 	for (int i = 0; i < 10; i++) {
31*f6217f89SApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
32*f6217f89SApple OSS Distributions 			CHECK(array[i][j] == i + j);
33*f6217f89SApple OSS Distributions 		}
34*f6217f89SApple OSS Distributions 	}
35*f6217f89SApple OSS Distributions }
36*f6217f89SApple OSS Distributions 
37*f6217f89SApple OSS Distributions T_DECL(usage_two_dimensions, "safe_allocation.usage.two_dimensions", T_META_TAG_VM_PREFERRED) {
38*f6217f89SApple OSS Distributions 	tests<T>();
39*f6217f89SApple OSS Distributions }
40