         
         // overwrite file
         
-        node[type].stringValue = testStringUTF8U4
+        //node[type].stringValue = testStringUTF8U4
         XCTAssertEqual(property.stringValue!, testStringUTF8U4, "Not the same string?")
         
         

        
        var property = Property()
        
        let date = NSDate(timeIntervalSinceReferenceDate: 118800)
    
        property.dateValue = date
        var test = property.dateValue
        XCTAssertTrue(test == date, "")
        
        XCTAssertFalse(property.isNil, "")
        
        var boolValue = property.boolValue
        XCTAssertNil(boolValue, "not default value");
        
        var intValue = property.intValue
        XCTAssertNil(intValue, "not default value");
        
        var doubleValue = property.doubleValue
        XCTAssertNil(doubleValue, "not default value");
        
        var stringValue = property.stringValue
        XCTAssertNil(stringValue, "not default value");
    }
    
    let fileName1 = "prop0001"
    func testStringLong() {
        
        var context: GraphContext = GraphContextBasicTest.createAndDeleteEmptyGraphContextFromFileName(fileName1)
        
        var type = context.createNode() //@1
        
        var node = context.createNode() //@2
        
        node[type].stringValue = testStringUTF8U3
        
        context = GraphContextBasicTest.createEmptyGraphContextFromFileName(fileName1)
        
        type = context.readNode(1)!
        node = context.readNode(2)!

        //var doubleValue = property.doubleValue
        //XCTAssertNil(doubleValue, "not default value");
        
        let stringValue = property.stringValue
        XCTAssertNil(stringValue, "not default value");
        
        //var dateValue = property.dateValue
        //XCTAssertNil(dateValue, "not default value");
    }
    
    func testInt() {
