def test_basic(self):
app = AppLogic(ViewStub())
app.stack = [1, 2]
app.cmdPlus()
self.assertEqual(app.stack, [3.0])
app.stack = [1, 2]
app.cmdMinus()
self.assertEqual(app.stack, [-1.0])
app.stack = [1, 2]
app.cmdTimes()
self.assertEqual(app.stack, [2.0])
app.stack = [1, 2]
app.cmdDiv()
self.assertEqual(app.stack, [0.5])
def test_stack(self):
app = AppLogic(ViewStub())
app.stack = [1, 2, 3, 4]
app.cmdRotateLeft()
self.assertEqual(app.stack, [2, 3, 4, 1])
app.stack = [1, 2, 3, 4]
app.cmdRotateRight()
self.assertEqual(app.stack, [4, 1, 2, 3])
app.stack = [1, 2, 3, 4]
app.cmdSwapTop2()
self.assertEqual(app.stack, [1, 2, 4, 3])
app.stack = [1, 2, 3, 4]
app.cmdDropTop()
self.assertEqual(app.stack, [1, 2, 3])
def test_line(self):
app = AppLogic(ViewStub())
app.processLine("2 2 +")
self.assertEqual(app.stack, [4])
app.stack = []
app.processLine("2:2 +")
self.assertEqual(app.stack, [4])
app.stack = []
app.processLine("2:2 6:3 +:1 *:3")
self.assertEqual(app.stack, [288.0])
# simulate the delta changed function
app.stack = []
app.processLine("100.0:2 15.76 14.12 <> / * <> -")
self.assertEqual(app.stack, [-10.406091370558386])
def test_standard_deviation(self):
app = AppLogic(ViewStub())
app.stack = [10, 12, 23, 23, 16, 23, 21, 16]
app.cmdStandardDeviation()
self.assertEqual(app.stack, [4.898979485566356])
def test_average(self):
app = AppLogic(ViewStub())
app.stack = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
app.cmdAvg()
self.assertEqual(app.stack, [4.0])