public void testCannotDivideByZeroException() {
calculatorLogic.getNumbersEntered().add("10");
calculatorLogic.getOperationsEntered().add("/");
calculatorLogic.getNumbersEntered().add("0");
try {
calculatorLogic.total = calculatorLogic.solve();
} catch (Exception e) {
assertTrue(e instanceof CannotDivideByZeroException);
}
}
public void testMultiply() {
calculatorLogic.getNumbersEntered().add("3");
calculatorLogic.getOperationsEntered().add("*");
calculatorLogic.getNumbersEntered().add("3");
try {
calculatorLogic.total = calculatorLogic.solve();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(9.0, calculatorLogic.total);
}
public void testDivide() {
calculatorLogic.getNumbersEntered().add("10");
calculatorLogic.getOperationsEntered().add("/");
calculatorLogic.getNumbersEntered().add("2");
try {
calculatorLogic.total = calculatorLogic.solve();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(5.0, calculatorLogic.total);
}
public void testClear() {
calculatorLogic.getNumbersEntered().add("10");
calculatorLogic.getOperationsEntered().add("+");
calculatorLogic.getNumbersEntered().add("2");
try {
calculatorLogic.total = calculatorLogic.solve();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(2, calculatorLogic.getNumbersEntered().size());
assertEquals(1, calculatorLogic.getOperationsEntered().size());
assertEquals(12.0, calculatorLogic.total);
calculatorLogic.clearAll();
assertEquals(0, calculatorLogic.getNumbersEntered().size());
assertEquals(0, calculatorLogic.getOperationsEntered().size());
assertEquals(0.0, calculatorLogic.total);
}
protected void setUp() throws Exception {
super.setUp();
calculatorLogic = new CalculatorLogic();
CalculatorLogic.setContext(getContext());
}
