Add iterator to hashtable and hashtable unit tests

common/utils/hashtable/tests/test_hashtable.cpp

@@ -0,0 +1,106 @@
+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#include <gtest/gtest.h>
+extern "C" {
+#include "hashtable.h"
+}
+
+TEST(hashtable, test_insert_remove) {
+  hash_table_t* table = hashtable_create(250, NULL, NULL);
+  int* a = (int*)calloc(1, sizeof(*a));
+  EXPECT_EQ(hashtable_insert(table, 1, a), HASH_TABLE_OK);
+  EXPECT_EQ(hashtable_remove(table, 1), HASH_TABLE_OK);
+  EXPECT_EQ(hashtable_destroy(&table), HASH_TABLE_OK);
+}
+
+TEST(hashtable, test_insert_iterate_remove) {
+  hash_table_t* table = hashtable_create(250, NULL, NULL);
+  int* a = (int*)calloc(1, sizeof(*a));
+  EXPECT_EQ(hashtable_insert(table, 1, a), HASH_TABLE_OK);
+  auto iterator = hashtable_get_iterator(table);
+  void* ptr;
+  int num_items = 0;
+  while(hashtable_iterator_getnext(&iterator, &ptr)) {
+    num_items++;
+  }
+  EXPECT_EQ(num_items, 1);
+  EXPECT_EQ(hashtable_remove(table, 1), HASH_TABLE_OK);
+  num_items = 0;
+
+  auto iterator2 = hashtable_get_iterator(table);
+  while(hashtable_iterator_getnext(&iterator2, &ptr)) {
+    num_items++;
+  }
+  EXPECT_EQ(num_items, 0);
+  EXPECT_EQ(hashtable_destroy(&table), HASH_TABLE_OK);
+}
+
+TEST(hashtable, test_insert_three_iterate_remove) {
+  hash_table_t* table = hashtable_create(250, NULL, NULL);
+  int* a1 = (int*)calloc(1, sizeof(*a1));
+  int* a2 = (int*)calloc(1, sizeof(*a2));
+  int* a3 = (int*)calloc(1, sizeof(*a3));
+  EXPECT_EQ(hashtable_insert(table, 1, a1), HASH_TABLE_OK);
+  EXPECT_EQ(hashtable_insert(table, 2, a2), HASH_TABLE_OK);
+  EXPECT_EQ(hashtable_insert(table, 3, a3), HASH_TABLE_OK);
+  auto iterator = hashtable_get_iterator(table);
+  void* ptr;
+  int num_items = 0;
+  while(hashtable_iterator_getnext(&iterator, &ptr)) {
+    num_items++;
+  }
+  EXPECT_EQ(num_items, 3);
+  EXPECT_EQ(hashtable_remove(table, 1), HASH_TABLE_OK);
+  num_items = 0;
+
+  auto iterator2 = hashtable_get_iterator(table);
+  while(hashtable_iterator_getnext(&iterator2, &ptr)) {
+    num_items++;
+  }
+  EXPECT_EQ(num_items, 2);
+  EXPECT_EQ(hashtable_destroy(&table), HASH_TABLE_OK);
+}
+
+TEST(hashtable, test_insert_empty_insert_interate) {
+  hash_table_t* table = hashtable_create(250, NULL, NULL);
+  int* a = (int*)calloc(1, sizeof(*a));
+  EXPECT_EQ(hashtable_insert(table, 1, a), HASH_TABLE_OK);
+  EXPECT_EQ(hashtable_remove(table, 1), HASH_TABLE_OK);
+
+  int* a2 = (int*)calloc(1, sizeof(*a2));
+  EXPECT_EQ(hashtable_insert(table, 1, a2), HASH_TABLE_OK);
+  auto iterator3 = hashtable_get_iterator(table);
+  int num_items = 0;
+  void* ptr;
+  while(hashtable_iterator_getnext(&iterator3, &ptr)) {
+    num_items++;
+  }
+  EXPECT_EQ(num_items, 1);
+
+  EXPECT_EQ(hashtable_destroy(&table), HASH_TABLE_OK);
+}
+
+int main(int argc, char** argv)
+{
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}