diff --git a/tests/unit/core_functionsTest.php b/tests/unit/core_functionsTest.php
new file mode 100644
index 000000000..6c8a8e50b
--- /dev/null
+++ b/tests/unit/core_functionsTest.php
@@ -0,0 +1,32 @@
+<?php
+	/**
+	 * e107 website system
+	 *
+	 * Copyright (C) 2008-2018 e107 Inc (e107.org)
+	 * Released under the terms and conditions of the
+	 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
+	 *
+	 */
+
+
+	class core_functionsTest extends \Codeception\Test\Unit
+	{
+		protected function _before()
+		{
+
+
+
+		}
+
+
+
+
+
+
+
+
+
+
+
+
+	}
diff --git a/tests/unit/e_arrayTest.php b/tests/unit/e_arrayTest.php
new file mode 100644
index 000000000..778a85972
--- /dev/null
+++ b/tests/unit/e_arrayTest.php
@@ -0,0 +1,100 @@
+<?php
+	/**
+	 * e107 website system
+	 *
+	 * Copyright (C) 2008-2018 e107 Inc (e107.org)
+	 * Released under the terms and conditions of the
+	 * GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
+	 *
+	 */
+
+
+	class e_arrayTest extends \Codeception\Test\Unit
+	{
+		private $arrObj;
+
+
+		protected function _before()
+		{
+			try
+			{
+				$this->arrObj = $this->make('e_array');
+			}
+			catch (Exception $e)
+			{
+				$this->fail("Couldn't load e_array object");
+			}
+		}
+
+
+		public function testLoad()
+		{
+
+		}
+
+		public function testUnserialize()
+		{
+			// Buggy value test.
+
+			$string_1 = "\$data = array(
+			\'buggy_array\' => \'some value\',
+			);
+			";
+
+			$actual = $this->arrObj->unserialize($string_1);
+			$this->assertArrayHasKey('buggy_array', $actual);
+
+
+			// var_export format test with slashes ----
+
+			$string_2 = "array(\'var_export\' => \'some value\',)";
+			$actual = $this->arrObj->unserialize($string_2);
+			$this->assertArrayHasKey('var_export', $actual);
+
+
+			// var_export format test without slashes ----
+
+			$string_3 = "array('var_export' => 'some value',)";
+			$actual = $this->arrObj->unserialize($string_3);
+			$this->assertArrayHasKey('var_export', $actual);
+
+
+			// json value test.
+
+			$string_4 = '{ "json": "some value" }';
+			$actual = $this->arrObj->unserialize(stripslashes($string_4));
+			$this->assertArrayHasKey('json', $actual);
+
+
+		}
+
+		public function testWriteArray()
+		{
+
+		}
+
+		public function testReadArray()
+		{
+
+		}
+
+		public function testWrite()
+		{
+
+		}
+
+		public function testRead()
+		{
+
+		}
+
+		public function testStore()
+		{
+
+		}
+
+		public function testSerialize()
+		{
+
+		}
+	}