Adding additional tests for overrides

Author: funkjedi

tests/Liquid/ContextTest.php

@@ -325,12 +325,24 @@ public function testArrayFirst()
 		$this->assertEquals(11, $this->context->get('array.first'));
 	}
 
+	public function testOverrideFirst()
+	{
+		$this->context->set('array', array(11, 'jack', 43, 'first' => 74, 5, 'tom'));
+		$this->assertEquals(74, $this->context->get('array.first'));
+	}
+
 	public function testArrayLast()
 	{
 		$this->context->set('array', array(11, 'jack', 43, 74, 5, 'tom'));
 		$this->assertEquals('tom', $this->context->get('array.last'));
 	}
 
+	public function testOverrideLast()
+	{
+		$this->context->set('array', array(11, 'jack', 43, 'last' => 74, 5, 'tom'));
+		$this->assertEquals(74, $this->context->get('array.last'));
+	}
+
 	public function testDeepValueNotObject()
 	{
 		$this->context->set('example', array('foo' => new ToLiquidNotObject()));