linux/tools/perf/tests/unit_number__scnprintf.c
Arnaldo Carvalho de Melo 58db1d6e7d perf tools: Move units conversion/formatting routines to separate object
Out of util.h, to disentangle it a bit more.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-vpksyj3w5fk9t8s6mxmkajyr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-04-20 13:22:44 -03:00

39 lines
674 B
C

#include <inttypes.h>
#include <linux/compiler.h>
#include <linux/types.h>
#include "tests.h"
#include "units.h"
#include "debug.h"
int test__unit_number__scnprint(int subtest __maybe_unused)
{
struct {
u64 n;
const char *str;
} test[] = {
{ 1, "1B" },
{ 10*1024, "10K" },
{ 20*1024*1024, "20M" },
{ 30*1024*1024*1024ULL, "30G" },
{ 0, "0B" },
{ 0, NULL },
};
unsigned i = 0;
while (test[i].str) {
char buf[100];
unit_number__scnprintf(buf, sizeof(buf), test[i].n);
pr_debug("n %" PRIu64 ", str '%s', buf '%s'\n",
test[i].n, test[i].str, buf);
if (strcmp(test[i].str, buf))
return TEST_FAIL;
i++;
}
return TEST_OK;
}