1 #include <inttypes.h>
2 #include <linux/compiler.h>
3 #include <linux/types.h>
4 #include "tests.h"
5 #include "units.h"
6 #include "debug.h"
7 
8 int test__unit_number__scnprint(struct test *t __maybe_unused, int subtest __maybe_unused)
9 {
10 	struct {
11 		u64		 n;
12 		const char	*str;
13 	} test[] = {
14 		{ 1,			"1B"	},
15 		{ 10*1024,		"10K"	},
16 		{ 20*1024*1024,		"20M"	},
17 		{ 30*1024*1024*1024ULL,	"30G"	},
18 		{ 0,			"0B"	},
19 		{ 0,			NULL	},
20 	};
21 	unsigned i = 0;
22 
23 	while (test[i].str) {
24 		char buf[100];
25 
26 		unit_number__scnprintf(buf, sizeof(buf), test[i].n);
27 
28 		pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
29 			 test[i].n, test[i].str, buf);
30 
31 		if (strcmp(test[i].str, buf))
32 			return TEST_FAIL;
33 
34 		i++;
35 	}
36 
37 	return TEST_OK;
38 }
39