[PATCH 1/1] test: test field truncation in snprint()

* [PATCH 1/1] test: test field truncation in snprint()
@ 2022-01-29 15:33 Heinrich Schuchardt
  2022-02-11 15:05 ` Simon Glass
  2022-02-11 17:06 ` Tom Rini
  0 siblings, 2 replies; 3+ messages in thread
From: Heinrich Schuchardt @ 2022-01-29 15:33 UTC (permalink / raw)
  To: Simon Glass
  Cc: Artem Lapkin, Bin Meng, Sean Anderson, Pali Rohár, u-boot,
	Heinrich Schuchardt

The output size for snprint() should not only be respected for whole fields
but also with fields. Add more tests.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
---
 test/print_ut.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/print_ut.c b/test/print_ut.c
index 194387f169..8b3e0ea418 100644
--- a/test/print_ut.c
+++ b/test/print_ut.c
@@ -370,6 +370,18 @@ static int snprint(struct unit_test_state *uts)
 	char buf[10] = "xxxxxxxxx";
 	int ret;
 
+	ret = snprintf(buf, 5, "%d", 12345678);
+	ut_asserteq_str("1234", buf);
+	ut_asserteq(8, ret);
+	ret = snprintf(buf, 5, "0x%x", 0x1234);
+	ut_asserteq_str("0x12", buf);
+	ut_asserteq(6, ret);
+	ret = snprintf(buf, 5, "0x%08x", 0x1234);
+	ut_asserteq_str("0x00", buf);
+	ut_asserteq(10, ret);
+	ret = snprintf(buf, 3, "%s", "abc");
+	ut_asserteq_str("ab", buf);
+	ut_asserteq(3, ret);
 	ret = snprintf(buf, 4, "%s:%s", "abc", "def");
 	ut_asserteq(0, buf[3]);
 	ut_asserteq(7, ret);
-- 
2.33.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread