/**
* Create a circuit to evaluate (x1 or not(x1)) and then verify that its result is true for all
* values of x1.
*/
public void testAlwaysTrue() {
if (Boolean.getBoolean("no.failures")) return;
Circuit c = new Circuit();
c.parse("x1 or NOT x1");
assertTrue(c.evaluate(new boolean[] {Boolean.FALSE}));
assertTrue(c.evaluate(new boolean[] {Boolean.TRUE}));
}
/**
* Create a circuit to evaluate (x1 and x2) or x3 and then verify that its result is false for
* input (false, true, false) and it is true for input (false, false, true).
*/
public void testX1andX2orX3() {
if (Boolean.getBoolean("no.failures")) return;
Circuit c = new Circuit();
c.parse("(x1 AND x2) or x3");
assertFalse(c.evaluate(new boolean[] {Boolean.FALSE, Boolean.TRUE, Boolean.FALSE}));
assertTrue(c.evaluate(new boolean[] {Boolean.FALSE, Boolean.FALSE, Boolean.TRUE}));
}