/** Ensure able to initialise with <code>null</code> value. */ public void testInitialiseWithNullValue() { this.properties.addProperty("blank", null); // Initialise from properties SourcePropertiesImpl clone = new SourcePropertiesImpl(this.properties); // Ensure null value loaded Properties props = clone.getProperties(); assertTrue("Ensure load null value", props.keySet().contains("blank")); }