utf8 statecharts behavior convertor

test_utf8.c

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+/* -----------------------------------------------------------------------------
+ * The Cyberiada GraphML library implemention
+ *
+ * The UTF-8 encoder testing program
+ *
+ * Copyright (C) 2024 Alexey Fedoseev <aleksey@fedoseev.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/
+ * ----------------------------------------------------------------------------- */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "utf8enc.h"
+
+int main(void)
+{
+	const char* a = "Hello! Съешь еще этих мягких французских булок и выпей чаю";
+	char *b, *c;
+	size_t b_l, c_l;
+	printf("String len %ld\n", strlen(a));
+	b = utf8_encode(a, strlen(a), &b_l);
+	if (!b) {
+		printf("String encoding error\n");
+		return 1;
+	}
+	printf("Encoded len %ld %ld\n", strlen(b), b_l);
+	c = utf8_decode(b, strlen(b), &c_l);
+	if (!c) {
+		printf("String decoding error\n");
+		free(b);
+		return 1;
+	}
+	printf("Decoded len %ld %ld\n", strlen(c), c_l);
+	printf("Orig: %s\n", a);
+	printf("Enc:  %s\n", b);
+	printf("Dec:  %s\n", c);
+	if (strcmp(a, c) != 0) {
+		printf("Strings don't match\n");
+	}
+	free(b);
+	free(c);
+}