/** Test of getArg method, of class Disjunction. */ @Test public void testGetArg() { System.out.println("getArg"); Literal l = new Literal("a"); Literal r = new Literal("b"); Disjunction instance = new Disjunction(l, r); Sentence expResult = l; Sentence result = instance.getArg(0); assertEquals(expResult, result); expResult = r; result = instance.getArg(1); assertEquals(expResult, result); Literal r2 = new Literal("c"); instance = new Disjunction(l, r, r2); expResult = r2; result = instance.getArg(2); assertEquals(expResult, result); }