UPDATE and SET clause code-coverage
diff --git a/tests/codeigniter/database/query_builder/update_test.php b/tests/codeigniter/database/query_builder/update_test.php
new file mode 100644
index 0000000..f5bbffd
--- /dev/null
+++ b/tests/codeigniter/database/query_builder/update_test.php
@@ -0,0 +1,71 @@
+<?php
+
+class Update_test extends CI_TestCase {
+
+	/**
+	 * @var object Database/Query Builder holder
+	 */
+	protected $db;
+
+	public function set_up()
+	{
+		$this->db = Mock_Database_Schema_Skeleton::init(DB_DRIVER);
+
+		Mock_Database_Schema_Skeleton::create_tables();
+		Mock_Database_Schema_Skeleton::create_data();
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * @see ./mocks/schema/skeleton.php
+	 */
+	public function test_update()
+	{
+		// Check initial record
+		$job1 = $this->db->where('id', 1)
+							->get('job')
+							->row();
+
+		$this->assertEquals('Developer', $job1->name);
+
+		// Do the update
+		$job_data = array('name' => 'Programmer');
+
+		$this->db->where('id', 1)
+						->update('job', $job_data);
+
+		// Check updated record
+		$job1 = $this->db->where('id', 1)
+							->get('job')
+							->row();
+
+		$this->assertEquals('Programmer', $job1->name);
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * @see ./mocks/schema/skeleton.php
+	 */
+	public function test_update_with_set()
+	{
+		// Check initial record
+		$job1 = $this->db->where('id', 4)
+							->get('job')
+							->row();
+
+		$this->assertEquals('Musician', $job1->name);
+
+		// Do the update
+		$this->db->set('name', 'Vocalist');
+		$this->db->update('job', NULL, 'id = 4');
+
+		// Check updated record
+		$job1 = $this->db->where('id', 4)
+							->get('job')
+							->row();
+
+		$this->assertEquals('Vocalist', $job1->name);
+	}
+}
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