From a0ff652261af4bebad0419aaf99ccea64c7ccf2e Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Tue, 21 Sep 2021 21:04:13 +0200
Subject: list: tests

---
 src/list.c    |  6 +++---
 tests/list.c  | 40 ++++++++++++++++++++++++++++++++++++++++
 tests/main.c  |  1 +
 tests/tests.h |  1 +
 4 files changed, 45 insertions(+), 3 deletions(-)
 create mode 100644 tests/list.c

diff --git a/src/list.c b/src/list.c
index 6a0085f..133637b 100644
--- a/src/list.c
+++ b/src/list.c
@@ -10,12 +10,12 @@ int list_add( list_element_t** _root, void* _data ) {
 	list_element_t** iter = _root;
 	list_element_t* new_element = malloc( sizeof(list_element_t) );
 
-	new_element->data = _data;
-	new_element->next = NULL;
-
 	if( !new_element )
 		return 1;
 
+	new_element->data = _data;
+	new_element->next = NULL;
+
 	while(*iter)
 		iter = & (*iter)->next;
 
diff --git a/tests/list.c b/tests/list.c
new file mode 100644
index 0000000..25fa323
--- /dev/null
+++ b/tests/list.c
@@ -0,0 +1,40 @@
+/*
+ * tests/list.c
+ * (c) 2021 Jonas Gunz <himself@jonasgunz.de>
+ * License: All rights reserved.
+ */
+
+#include "tests.h"
+#include "../src/list.h"
+
+START_TEST ( test_list_all ) {
+	list_element_t* root = NULL;
+	unsigned int i;
+	/*int values[] = {7,1,6,8,4,5,2,0,3};*/
+	int values[] = {0,1,2,3,4,5,6,7,8};
+
+
+	for ( i=0; i<=8; i++ )
+		list_add(&root, &values[i]);
+
+
+	/* Not implemented
+	list_sort(&root);
+
+	ck_assert_int_eq( list_length(root), 9 );
+	*/
+
+	for ( i=0; i<=8; i++ )
+		ck_assert_int_eq(*(int*)list_pop_front(&root), i);
+
+	/*ck_assert_int_eq( list_length(root), 0 );*/
+
+} END_TEST
+
+TCase* test_list(void) {
+	TCase *tc = tcase_create("List");
+
+	tcase_add_test(tc, test_list_all);
+
+	return tc;
+}
diff --git a/tests/main.c b/tests/main.c
index dc32e3f..4f1f465 100644
--- a/tests/main.c
+++ b/tests/main.c
@@ -22,6 +22,7 @@ int main() {
 	suite_add_tcase(s, test_zonefile());
 	suite_add_tcase(s, test_record());
 	suite_add_tcase(s, test_database());
+	suite_add_tcase(s, test_list());
 
 	sr = srunner_create(s);
 	srunner_run_all(sr,CK_VERBOSE);
diff --git a/tests/tests.h b/tests/tests.h
index 3be8b88..0cc8796 100644
--- a/tests/tests.h
+++ b/tests/tests.h
@@ -17,3 +17,4 @@ TCase* test_tree(void);
 TCase* test_zonefile(void);
 TCase* test_record(void);
 TCase* test_database(void);
+TCase* test_list(void);
-- 
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