@Test(expected = BadNextValueException.class)
	public void testInfixToPostfix10() throws BadNextValueException,
			DAIllegalArgumentException, DAIndexOutOfBoundsException,
			ShouldNotBeHereException, UnmatchingParenthesisException {
		try {
			infix.addLast("+");
			infix.addLast("(");
			infix.addLast(")");
			QueueInterface<String> postFix = calc.infixToPostfix(infix);

		} catch (DAIllegalArgumentException e) {
			throw new DAIllegalArgumentException();
		} catch (DAIndexOutOfBoundsException e) {
			throw new DAIndexOutOfBoundsException();
		} catch (ShouldNotBeHereException e) {
			throw new ShouldNotBeHereException();
		} catch (BadNextValueException e) {
			throw new BadNextValueException();
		} catch (UnmatchingParenthesisException e) {
			throw new UnmatchingParenthesisException();
		}
	}