From: Simon Glass <sjg@chromium.org>
Date: Thu, 1 May 2025 11:10:09 +0000 (-0600)
Subject: test: Add a test for strim()
X-Git-Tag: v2025.10-rc1~118^2~88^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13223f8ea1ed102055362bc7ee242bf992443ca1;p=thirdparty%2Fu-boot.git

test: Add a test for strim()

This function trims whitespace from the start and end of a string. Add a
test for it.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/test/lib/string.c b/test/lib/string.c
index 31391a387b9..f56c2e4c946 100644
--- a/test/lib/string.c
+++ b/test/lib/string.c
@@ -261,3 +261,40 @@ static int lib_strstr(struct unit_test_state *uts)
 	return 0;
 }
 LIB_TEST(lib_strstr, 0);
+
+static int lib_strim(struct unit_test_state *uts)
+{
+	char buf[BUFLEN], *p;
+
+	strcpy(buf, "abc");
+	ut_asserteq_str("abc", strim(buf));
+
+	/* leading space */
+	strcpy(buf, " abc");
+	ut_asserteq_str("abc", strim(buf));
+
+	/* multiple leading spaces */
+	strcpy(buf, "  abc");
+	ut_asserteq_str("abc", strim(buf));
+
+	/* multiple internal spaces */
+	strcpy(buf, "  a   bc");
+	ut_asserteq_str("a   bc", strim(buf));
+
+	/* with trailing space */
+	strcpy(buf, "  a   bc ");
+	ut_asserteq_str("a   bc", strim(buf));
+
+	/* with multiple trailing spaces */
+	strcpy(buf, "  a   bc   ");
+	ut_asserteq_str("a   bc", strim(buf));
+
+	/* with only spaces */
+	strcpy(buf, "     ");
+	p = strim(buf);
+	ut_asserteq_ptr(p, buf);
+	ut_asserteq_str("", p);
+
+	return 0;
+}
+LIB_TEST(lib_strim, 0);