a.add(new AttributeLayout("SourceFile",AttributeLayout.CONTEXT_CLASS,"FROG",15));
layout = a.getAttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS);
assertNotNull(layout);
assertEquals("FROG",layout.getLayout());
assertTrue(layout.matches(1<<15));
assertFalse(layout.matches(1<<16));
assertTrue(layout.matches(-1));
assertFalse(layout.matches(0));
// and that changes don't affect subsequent defaults
AttributeLayoutMap b = new AttributeLayoutMap();
layout = b.getAttributeLayout("SourceFile", AttributeLayout.CONTEXT_CLASS);