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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /tools/perf/tests/unit_number__scnprintf.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/perf/tests/unit_number__scnprintf.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/perf/tests/unit_number__scnprintf.c b/tools/perf/tests/unit_number__scnprintf.c
new file mode 100644
index 000000000..2bb8cb003
--- /dev/null
+++ b/tools/perf/tests/unit_number__scnprintf.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0
+#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(struct test *t __maybe_unused, 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;
+}