t.addTransformations("matrix(1 2 3)"); //$NON-NLS-1$
assertTrue(t.isEmpty());
t.addTransformations("matrix(1 2 3 ,4 ,5 ,6)"); //$NON-NLS-1$
assertFalse(t.isEmpty());
t.clear();
t.addTransformations("matrix(1 2 3 ,4 ,5 ,6) translate(2 2)"); //$NON-NLS-1$
assertEquals(2, t.size());
t.clear();