MINOR: add TestFileUploadPage and FileUploadRole to test a simple file upload field and a simple image upload field can be saved in case of Assets folder and / or Assets/Uploads folder missing. related with open ticket #4942(http://open.silverstripe.org/ticket/4942).

_config.php

@@ -1,3 +1,6 @@
 <?php
 
 Object::add_extension('Member', 'FrameworkTestRole');
+Object::add_extension('Member', 'FileUploadRole');
+
+?>

code/TestFileUploadPage.php

@@ -0,0 +1,28 @@
+<?php
+
+class TestFileUploadPage extends TestPage{
+	
+}
+
+class TestFileUploadPage_Controller extends TestPage_Controller{
+	
+	function Form(){
+		$fields = new FieldSet(
+			new EmailField('Email', 'EmailField'),
+			new FileField('AFile','FileField'),
+			new SimpleImageField('AImage','SimpleImageField')
+		);
+		
+		$actions = new FieldSet(
+			new FormAction('addMember', "Add a member with two Files uploaded")
+		);
+		return new Form($this, "Form", $fields, $actions);
+	}
+	
+	function addMember($data, $form){
+		$member = new Member();
+		$form->saveInto($member);
+		$member->write();
+		Director::redirectBack();
+	}
+}

code/model/FileUploadRole.php

@@ -0,0 +1,12 @@
+<?php
+class FileUploadRole extends DataObjectDecorator{
+	function extraStatics() {
+		return array(
+			'has_one' => array(
+				'AFile' => 'File',
+				'AImage' => 'Image',
+			),
+		);
+	}
+}
+?>