1 files changed, 109 insertions, 0 deletions
diff --git a/src/test.c b/src/test.c
new file mode 100644
index 0000000..d635515
--- /dev/null
+++ b/src/test.c
@@ -0,0 +1,109 @@
+/* test.c
+ * (c) Jonas Gunz, 2020
+ * License: MIT
+ * */
+
+#include "test.h"
+
+#ifdef _TEST
+
+void run_test ()
+{
+	//Space for temporary tests
+	
+	//tree_balanced_insert(NULL, NULL, NULL, 15 );
+	//Normal tests
+	test_tree();
+	test_dns_parsing();
+	test_dns_parsing_fuzz();
+}
+
+int test_tree ()
+{
+	printf("\ntest_tree()\n");
+
+	struct tree_node* root = NULL;
+	
+	tree_insert ( &root, "eins", "Test eins" );
+	tree_insert ( &root, "zwei", "Test zwei" );
+	
+	printf("After Insert\n");
+
+	printf("%s\n", tree_get(&root, "zwei"));
+
+	printf("After Get\n");
+
+	tree_destroy (&root,0);
+
+	printf("After destroy\n");
+
+	return 0;
+}
+
+int test_dns_parsing ()
+{
+	printf("test_dns_parsing()\n");
+	char in[128];
+	char out[128];
+
+	strncpy ( in, "sub.domain.example.com\0", 127);
+
+	printf("%s\n", in);
+
+	int written = fqdn_to_qname (in,128,out,128);
+
+	if ( qname_check(out,128) < 0)
+		printf("Wrong\n");
+	else
+		printf("qname ok\n");
+
+	if (written < 0) {
+		printf("invallid fqdn\n");
+		return 1;
+	}
+
+	for(int i = 0; i < written; i++)
+		printf(" %x ", out[i]);
+
+	written = qname_to_fqdn (out,128,in,128);
+
+	if (written < 0) {
+		printf("invalid qname\n");
+		return 1;
+	}
+
+	printf("%s\n", in);
+
+	printf("\n\n");
+	return 0;
+}
+
+int test_dns_parsing_fuzz()
+{
+	printf("\n-> test_parsing_fuzz()\n======\n\n");
+	FILE* urand = fopen ("/dev/urandom", "r");
+	char rand[128];
+	char out[129];
+	out[128] = 0;
+
+	if (!urand)
+		return 1;
+
+	unsigned long int limit = 10000000;
+	unsigned long int valid_cnt = 0;
+	for (unsigned long int i = 0; i < limit; i++) {
+		if (fread (rand, 128, 1, urand) > 0) {
+			if ( qname_check(rand, 128) > 0 ) {
+				qname_to_fqdn ( rand, 128, out, 128);
+				//printf("Valid %s\n", out);
+				valid_cnt++;
+			}
+		}
+	}
+
+	float valid_percent = (float)valid_cnt / (float)limit * 100;
+	printf("# of valid qnames in random data: %i / %i = %f%%\n", valid_cnt, limit, valid_percent);
+
+	return 0;
+}
+#endif