test: move all module tests to the test/ directory

test/ds/unicode-strings.c

@@ -0,0 +1,26 @@
+#include <blue/core/stringstream.h>
+#include <blue/ds/string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void)
+{
+	printf("здравс\u26A0твуите\n");
+	b_string *str = b_string_create_from_cstr("здравствуите");
+	const char *s = b_string_ptr(str);
+	printf("%s\n", s);
+	printf("len: %zu\n", b_string_get_size(str, B_STRLEN_NORMAL));
+	printf("codepoints: %zu\n", b_string_get_size(str, B_STRLEN_CODEPOINTS));
+
+	const char *delims[] = {"в"};
+	size_t nr_delims = sizeof delims / sizeof delims[0];
+
+	b_iterator *it = b_string_tokenise(str, delims, nr_delims, 0);
+	b_foreach(const char *, tok, it)
+	{
+		printf("%s\n", tok);
+	}
+	b_iterator_unref(it);
+
+	return 0;
+}