public void TestAdd() { Assert.AreEqual("5", CalculateMachine.Calculate("1 + 4")); }
public void TestSubstract() { Assert.AreEqual("5", CalculateMachine.Calculate("9 - 4")); }
public void TestMultiply() { Assert.AreEqual("25", CalculateMachine.Calculate("5 * 5")); }
public void TestNoOperation() { Assert.AreEqual("5", CalculateMachine.Calculate("5")); }