+(deftest csc.1 (count-string-char "" #\a) 0)
+(deftest csc.2 (count-string-char "abc" #\d) 0)
+(deftest csc.3 (count-string-char "abc" #\b) 1)
+(deftest csc.4 (count-string-char "abcb" #\b) 2)
+
+(deftest duqs.1 (decode-uri-query-string "") "")
+(deftest duqs.2 (decode-uri-query-string "abc") "abc")
+(deftest duqs.3 (decode-uri-query-string "abc+") "abc ")
+(deftest duqs.4 (decode-uri-query-string "abc+d") "abc d")
+(deftest duqs.5 (decode-uri-query-string "abc%20d") "abc d")
+
+(deftest sse.1 (string-strip-ending "" nil) "")
+(deftest sse.2 (string-strip-ending "abc" nil) "abc")
+(deftest sse.3 (string-strip-ending "abc" "ab") "abc")
+(deftest sse.4 (string-strip-ending "abc" '("ab")) "abc")
+(deftest sse.5 (string-strip-ending "abcd" '("a" "cd")) "ab")
+