1 files changed, 64 insertions, 0 deletions
diff --git a/unit/test-suffix-si-parse.c b/unit/test-suffix-si-parse.c
new file mode 100644
index 0000000..879518b
--- /dev/null
+++ b/unit/test-suffix-si-parse.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "../util/suffix.h"
+#include "../util/types.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+static int test_rc;
+
+static void check_num(const char *val, int lbas, __u64 exp, __u64 num)
+{
+	if (exp == num)
+		return;
+
+	printf("ERROR: printing {%s} (lbas %d), got '%llu', expected '%llu'\n",
+	       val, lbas, (unsigned long long)num, (unsigned long long)exp);
+
+	test_rc = 1;
+}
+
+struct tonum_test {
+	const char *val;
+	int lbas;
+	const __u64 exp;
+};
+
+static struct tonum_test tonum_tests[] = {
+	{ "11995709440", 512, 11995709440 },
+	{ "1199570940", 512, 1199570940 },
+	{ "6.14T", 512, 11992187500 },
+	{ "6.14T", 520, 11807692307 },
+	{ "6.14T", 4096, 1499023437 },
+	{ "6.14", 512, 0 },
+	{ "6.14#", 512, 0 },
+};
+
+void tonum_test(struct tonum_test *test)
+{
+	__u64 num;
+	bool suffixed;
+
+	num = suffix_si_parse(test->val, &suffixed);
+
+	if (suffixed)
+		num /= test->lbas;
+
+	check_num(test->val, test->lbas, test->exp, num);
+}
+
+int main(void)
+{
+	unsigned int i;
+
+	test_rc = 0;
+
+	for (i = 0; i < ARRAY_SIZE(tonum_tests); i++)
+		tonum_test(&tonum_tests[i]);
+
+	return test_rc ? EXIT_FAILURE : EXIT_SUCCESS;
+}