-static void test_utf8_is_printable(void) {
- assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
- assert_se(utf8_is_printable("\342\204\242", 3));
- assert_se(!utf8_is_printable("\341\204", 2));
+static void test_utf8_escaping_printable(void) {
+ _cleanup_free_ char *p1, *p2, *p3, *p4, *p5, *p6;
+
+ p1 = utf8_escape_non_printable("goo goo goo");
+ puts(p1);
+ assert_se(utf8_is_valid(p1));
+
+ p2 = utf8_escape_non_printable("\341\204\341\204");
+ puts(p2);
+ assert_se(utf8_is_valid(p2));
+
+ p3 = utf8_escape_non_printable("\341\204");
+ puts(p3);
+ assert_se(utf8_is_valid(p3));
+
+ p4 = utf8_escape_non_printable("ąę\n가너도루\n1234\n\341\204\341\204\n\001 \019\20\a");
+ puts(p4);
+ assert_se(utf8_is_valid(p4));
+
+ p5 = utf8_escape_non_printable("\001 \019\20\a");
+ puts(p5);
+ assert_se(utf8_is_valid(p5));
+
+ p6 = utf8_escape_non_printable("\xef\xbf\x30\x13");
+ puts(p6);
+ assert_se(utf8_is_valid(p6));