unit: Add unit tests for l_ascii_touppwer/lower

1 files changed, 28 insertions, 0 deletions

diff --git a/unit/test-utf8.c b/unit/test-utf8.c
index 1ca2a1c8..7473bf2f 100644
--- a/unit/test-utf8.c
+++ b/unit/test-utf8.c
@@ -1,6 +1,7 @@
 /*
  * Embedded Linux library
  * Copyright (C) 2011-2014  Intel Corporation
+ * Copyright (C) 2024  Cruise, LLC
  *
  * SPDX-License-Identifier: LGPL-2.1-or-later
  */
@@ -919,6 +920,30 @@ static void test_utf8_to_utf16(const void *test_data)
 	l_free(utf16);
 }
 
+static void test_ascii_toupper(const void *data)
+{
+	assert(l_ascii_toupper('c') == 'C');
+	assert(l_ascii_toupper('z') == 'Z');
+	assert(l_ascii_toupper('a') == 'A');
+	assert(l_ascii_toupper('A') == 'A');
+	assert(l_ascii_toupper('Z') == 'Z');
+	assert(l_ascii_toupper(' ') == ' ');
+	assert(l_ascii_toupper('0') == '0');
+	assert(l_ascii_toupper('9') == '9');
+}
+
+static void test_ascii_tolower(const void *data)
+{
+	assert(l_ascii_tolower('c') == 'c');
+	assert(l_ascii_tolower('z') == 'z');
+	assert(l_ascii_tolower('a') == 'a');
+	assert(l_ascii_tolower('A') == 'a');
+	assert(l_ascii_tolower('Z') == 'z');
+	assert(l_ascii_tolower(' ') == ' ');
+	assert(l_ascii_tolower('0') == '0');
+	assert(l_ascii_tolower('9') == '9');
+}
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -1101,5 +1126,8 @@ int main(int argc, char *argv[])
 	l_test_add("utf8_to_utf16 2", test_utf8_to_utf16,
 					&utf8_from_utf16_test2);
 
+	l_test_add("ascii/toupper", test_ascii_toupper, NULL);
+	l_test_add("ascii/tolower", test_ascii_tolower, NULL);
+
 	return l_test_run();
 }