Start to handle collisions

2 files changed, 13 insertions, 4 deletions

diff --git a/src/02/04/hash.c b/src/02/04/hash.c
index 4bf679c..7f0ae69 100644
--- a/src/02/04/hash.c
+++ b/src/02/04/hash.c
@@ -33,7 +33,7 @@ void node_inspect(Node *node)
 
   int i = 0;
   while (node) {
-    printf("[%d: %3d]", i, node->value);
+    printf("[%d: %3p]", i, node->value);
     node = node->next;
     i++;
   }
@@ -63,9 +63,7 @@ void *hash_get(Hash *hash, int key)
 
 void hash_set(Hash *hash, int key, void **value)
 {
-  node_inspect(hash->head);
   int bucket = to_hash(key);
   Node *node = node_at(hash->head, bucket);
   node->value = value;
-  node_inspect(hash->head);
 }
diff --git a/src/02/04/hash_test.c b/src/02/04/hash_test.c
index eb7f1d3..98f8e25 100644
--- a/src/02/04/hash_test.c
+++ b/src/02/04/hash_test.c
@@ -24,7 +24,17 @@ Ensure(HashTable, when_getting_a_values_for_a_key_that_has_been_inserted) {
   Hash *hash = hash_init(13);
 
   hash_set(hash, key, value);
-  assert_that(*(int *)hash_get(hash, key), is_equal_to(value));
+  assert_that(hash_get(hash, key), is_equal_to(value));
+}
+
+Ensure(HashTable, when_a_hash_collision_occurs) {
+  Hash *hash = hash_init(13);
+
+  hash_set(hash, 8, 80);
+  hash_set(hash, 21, 210);
+
+  assert_that(hash_get(hash, 8), is_equal_to(80));
+  assert_that(hash_get(hash, 21), is_equal_to(210));
 }
 
 TestSuite *hash_table_tests() {
@@ -33,6 +43,7 @@ TestSuite *hash_table_tests() {
   add_test_with_context(suite, HashTable, when_initializing_a_hash);
   add_test_with_context(suite, HashTable, when_getting_a_value_for_a_key_that_has_not_been_inserted);
   add_test_with_context(suite, HashTable, when_getting_a_values_for_a_key_that_has_been_inserted);
+  add_test_with_context(suite, HashTable, when_a_hash_collision_occurs);
   return suite;
 }