/** Test whether isIdle returns true only on cases where it should be true */
public void testIsIdle() {
phoneStateMachine.onRing();
assertFalse(phoneStateMachine.isIdle());
phoneStateMachine.onOffhook();
assertFalse(phoneStateMachine.isIdle());
phoneStateMachine.onIdle();
assertTrue(phoneStateMachine.isIdle());
phoneStateMachine.onOffhook();
assertFalse(phoneStateMachine.isIdle());
}
public void testOutboundOffHook() throws IllegalStateException {
phoneStateMachine.onOffhook();
assertTrue(phoneStateMachine.isOutboundOffhook());
/*
* Although it is very unlikely that an off-hooked phone will be off-hooked again, make sure
* that the phone stays in the same state.
*/
phoneStateMachine.onOffhook();
assertTrue(phoneStateMachine.isOutboundOffhook());
boolean exceptionOccured = false;
try {
phoneStateMachine.onRing();
} catch (IllegalStateException e) {
// The phone cannot ring while off-hook!
exceptionOccured = true;
}
assertTrue(exceptionOccured);
assertTrue(phoneStateMachine.isOutboundOffhook());
phoneStateMachine.onIdle();
assertTrue(phoneStateMachine.isIdle());
}
public void testRinging() throws IllegalStateException {
phoneStateMachine.onRing();
assertTrue(phoneStateMachine.isRinging());
/*
* Although it is very unlikely that the phone will ring twice in a row, make sure that it still
* stays on the same state.
*/
phoneStateMachine.onRing();
assertTrue(phoneStateMachine.isRinging());
phoneStateMachine.onIdle();
assertTrue(phoneStateMachine.isIdle());
}
public void testIdleState() throws IllegalStateException {
phoneStateMachine.onIdle();
assertTrue(phoneStateMachine.isIdle());
}
public void testInitialState() {
assertTrue(phoneStateMachine.isIdle());
}