Improve jstrencode/jstrdecode fun

json_parse.c

@@ -560,6 +560,63 @@ jdecencchk(int entertainment)
 	 * and now we entertain, at least for those with a dark sense of humour :-)
 	 */
 	if (entertainment > 1) {
+	    decstr = "\\uD83D\\uDD25\\uD83E\\uDDD9";
+	    /*
+	     * test decoding the JSON encoded string
+	     */
+	    dbg(DBG_VVVHIGH, "testing json_decode_str(<%s>, &mlen2)", decstr);
+	    /* test json_decode_str() */
+	    mstr2 = json_decode_str(decstr, &mlen2);
+	    if (mstr2 == NULL) {
+		err(156, __func__, "json_decode_str(<%s>, *mlen2: %ju) == NULL",
+				   decstr, (uintmax_t)mlen2);
+		not_reached();
+	    } else {
+
+		dbg(DBG_HIGH, "decoded string: %s (len: %ju)", mstr2, mlen2);
+		dbg(DBG_MED, "%s == %s", decstr, mstr2);
+
+		/*
+		 * encode the string we just decoded
+		 */
+		dbg(DBG_VVVHIGH, "testing json_encode(mstr2, 1, mlen): %s", mstr2);
+		mstr = json_encode(mstr2, mlen2, &mlen, false);
+		if (mstr == NULL) {
+		    err(157, __func__, "json_encode(mstr2: %s, mlen2: %ju, mlen: %ju) == NULL", mstr2,
+			    (uintmax_t)mlen2, (uintmax_t)mlen);
+		    not_reached();
+		}
+		dbg(DBG_HIGH, "encoded string: %s (len: %ju)", mstr, mlen);
+
+
+		/*
+		 * verify that the encoded string matches the original string
+		 */
+		if (strcmp(mstr2, mstr) != 0) {
+		    err(158, __func__, "mstr2: %s != decstr: %s", mstr2, mstr);
+		    not_reached();
+		} else {
+		    msg(mstr2);
+		    dbg(DBG_MED, "%s: %s == %s: true", decstr, mstr, mstr2);
+		}
+
+		/*
+		 * free strings
+		 */
+		if (mstr != NULL) {
+		    free(mstr);
+		    mstr = NULL;
+		}
+		if (mstr2 != NULL) {
+		    free(mstr2);
+		    mstr2 = NULL;
+		}
+	    }
+
+
+	}
+
+	if (entertainment > 2) {
 	    decstr = "\\uD83E\\uDEC3\\uD83D\\uDD25\\uD83D\\uDC09";
 	    /*
 	     * test decoding the JSON encoded string