Add hash map implementation

tests/wapptest.cc

@@ -10,6 +10,7 @@
 #include "test_file.h"
 #include "test_hasher.h"
 #include "test_hashset.h"
+#include "test_hashmap.h"
 #include "test_shell_commander.h"
 #include "wapp.h"
 #include <stdlib.h>
@@ -108,11 +109,24 @@ int main(void) {
 		test_siphash_128,
 		test_hashset,
 		test_hashset_alloc,
+		test_hashset_get_item_size,
 		test_hashset_find,
 		test_hashset_insert_capped,
 		test_hashset_insert_alloc,
 		test_hashset_remove,
 		test_hashset_clear,
+		test_hashmap,
+		test_hashmap_alloc,
+		test_hashmap_get_key_size,
+		test_hashmap_get_value_size,
+		test_hashmap_find,
+		test_hashmap_update,
+		test_hashmap_insert_capped,
+		test_hashmap_insert_or_update_capped,
+		test_hashmap_insert_alloc,
+		test_hashmap_insert_or_update_alloc,
+		test_hashmap_remove,
+		test_hashmap_clear,
 		test_commander_cmd_success,
 		test_commander_cmd_failure,
 		test_commander_cmd_out_buf_success,