public void TestReturnNullEmptyCalculation() { //arrange var calc = new PolishCalculate(new Token[] { }); //act float result = calc.Calculate(); }
public void CalaculateTest() { var str = "5 * ((1 * 2) * 4) - 3"; var expected = 14; var actual = PolishCalculate.Calaculate(str); Assert.AreEqual(expected, actual); }
public void TestReturnNullNotEnoughNumerics() { //arrange var calc = new PolishCalculate(new Token[] { new NumericToken(1), new OperatorToken('+') }); //act float result = calc.Calculate(); //assert calc.Should().BeNull(); }
public void TestDivByZeroCalculation() { //arrange bool flag = true; var calc = new PolishCalculate(new Token[] { new NumericToken(14), new NumericToken(0), new OperatorToken('/') }); //act float result = calc.Calculate(); //assert flag.Should().Be(float.IsInfinity(result)); }
public void TestDivCalculation() { //arrange float expected = 3; var calc = new PolishCalculate(new Token[] { new NumericToken(21), new NumericToken(7), new OperatorToken('/') }); //act float result = calc.Calculate(); //assert expected.Should().Be(result); }
public void TestComplexCalculation() { //arrange float expected = 0.5f; var calc = new PolishCalculate(new Token[] { new NumericToken(4), new NumericToken(3), new NumericToken(11), new NumericToken(22), new OperatorToken('/'), new OperatorToken('+'), new OperatorToken('-') }); //act float result = calc.Calculate(); //assert expected.Should().Be(result); }
public void TestNegativeParameterAndResoult() { //arrange float expected = -4; var calc = new PolishCalculate(new Token[] { new NumericToken(-14), new NumericToken(3.5f), new OperatorToken('/') }); //act float result = calc.Calculate(); //assert expected.Should().Be(result); }
public void TestReturnsToTopIfOnlyNumbers() { //arrange float expected = 1; var calc = new PolishCalculate(new Token[] { new NumericToken(6), new NumericToken(5), new NumericToken(1) }); //act float result = calc.Calculate(); //assert expected.Should().Be(result); }
public void TestFloatResoult() { //arrange float expected = 2.5f; var calc = new PolishCalculate(new Token[] { new NumericToken(10), new NumericToken(4), new OperatorToken('/') }); //act float result = calc.Calculate(); //assert expected.Should().Be(result); }