@Test
public void testRemoveAllAttributes() throws Exception {

	this.provider.setAttribute(new AttributeImpl("NEWFIELD", 1f)); //$NON-NLS-1$
	this.provider.removeAllAttributes();
	assertFalse(this.provider.hasAttribute("NEWFIELD")); //$NON-NLS-1$
	assertTrue(this.provider.hasAttribute("SOURCE")); //$NON-NLS-1$
	assertTrue(this.provider.hasAttribute("CATEGORIE")); //$NON-NLS-1$
	assertTrue(this.provider.hasAttribute("NATURE")); //$NON-NLS-1$
	assertTrue(this.provider.hasAttribute("HAUTEUR")); //$NON-NLS-1$
}