xref: /xnu-8020.121.3/tests/safe_allocation_src/usage.two_dimensions.cpp (revision fdd8201d7b966f0c3ea610489d29bd841d358941)
1*fdd8201dSApple OSS Distributions //
2*fdd8201dSApple OSS Distributions // Make sure `safe_allocation` can be used to create a two-dimensional array.
3*fdd8201dSApple OSS Distributions //
4*fdd8201dSApple OSS Distributions // Note that we don't really recommend using that representation for two
5*fdd8201dSApple OSS Distributions // dimensional arrays because other representations are better, but it
6*fdd8201dSApple OSS Distributions // should at least work.
7*fdd8201dSApple OSS Distributions //
8*fdd8201dSApple OSS Distributions 
9*fdd8201dSApple OSS Distributions #include <libkern/c++/safe_allocation.h>
10*fdd8201dSApple OSS Distributions #include <darwintest.h>
11*fdd8201dSApple OSS Distributions #include "test_utils.h"
12*fdd8201dSApple OSS Distributions 
13*fdd8201dSApple OSS Distributions struct T {
14*fdd8201dSApple OSS Distributions 	int i;
15*fdd8201dSApple OSS Distributions };
16*fdd8201dSApple OSS Distributions 
17*fdd8201dSApple OSS Distributions template <typename T>
18*fdd8201dSApple OSS Distributions static void
tests()19*fdd8201dSApple OSS Distributions tests()
20*fdd8201dSApple OSS Distributions {
21*fdd8201dSApple OSS Distributions 	test_safe_allocation<test_safe_allocation<int> > array(10, libkern::allocate_memory);
22*fdd8201dSApple OSS Distributions 
23*fdd8201dSApple OSS Distributions 	for (int i = 0; i < 10; i++) {
24*fdd8201dSApple OSS Distributions 		array[i] = test_safe_allocation<int>(10, libkern::allocate_memory);
25*fdd8201dSApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
26*fdd8201dSApple OSS Distributions 			array[i][j] = i + j;
27*fdd8201dSApple OSS Distributions 		}
28*fdd8201dSApple OSS Distributions 	}
29*fdd8201dSApple OSS Distributions 
30*fdd8201dSApple OSS Distributions 	for (int i = 0; i < 10; i++) {
31*fdd8201dSApple OSS Distributions 		for (int j = 0; j < 10; ++j) {
32*fdd8201dSApple OSS Distributions 			CHECK(array[i][j] == i + j);
33*fdd8201dSApple OSS Distributions 		}
34*fdd8201dSApple OSS Distributions 	}
35*fdd8201dSApple OSS Distributions }
36*fdd8201dSApple OSS Distributions 
37*fdd8201dSApple OSS Distributions T_DECL(usage_two_dimensions, "safe_allocation.usage.two_dimensions") {
38*fdd8201dSApple OSS Distributions 	tests<T>();
39*fdd8201dSApple OSS Distributions }
40