public void Mul()
{
RPN rpn = new RPN();
Assert.AreEqual(10, rpn.Proc("2*5"));
Assert.AreEqual(10, rpn.Proc("2×5"));
}
public void Quart()
{
RPN rpn = new RPN();
Assert.AreEqual((1 + 2) * 3, rpn.Proc("(1+2)*3"));
Assert.AreEqual((1.0 + 2.0) * 3.0 / 4.0, rpn.Proc("(1+2)*3/4"));
Assert.AreEqual(1 + 2 * (3 + 4) * 5, rpn.Proc("1+2*(3+4)*5"));
}
public void Div()
{
RPN rpn = new RPN();
Assert.AreEqual(1.5, rpn.Proc("3/2"));
Assert.AreEqual(1.5, rpn.Proc("3÷2"));
Assert.That(() => {
RPN rpn = new RPN();
rpn.Proc("1/0");
}, Throws.Exception);
}
public void Sin()
{
RPN rpn = new RPN();
Assert.AreEqual(0, rpn.Proc("sin(3.141592653979)"), 0.1);
Assert.AreEqual(0, rpn.Proc("sin(0)"));
Assert.AreEqual(1, rpn.Proc("sin(1.5707963268)"), 0.1);
Assert.AreEqual(-1, rpn.Proc("sin(-1.5707963268)"), 0.1);
Assert.AreEqual(2, rpn.Proc("2*sin(1.5707963268)"), 0.1);
Assert.AreEqual(-2, rpn.Proc("2*sin(-1.5707963268)"), 0.1);
Assert.AreEqual(1.5, rpn.Proc("1.5sin(1.5707963268)"), 0.1);
Assert.AreEqual(0.5, rpn.Proc(".5sin(1.5707963268)"), 0.1);
Assert.AreEqual(1, rpn.Proc("1.sin(1.5707963268)"), 0.1);
Assert.That(() => {
RPN rpn = new RPN();
rpn.Proc(".sin(0)");
}, Throws.Exception);
}
public void Cos()
{
RPN rpn = new RPN();
Assert.AreEqual(-1, rpn.Proc("cos(3.141592653979)"), 0.1);
Assert.AreEqual(1, rpn.Proc("cos(0)"));
Assert.AreEqual(0, rpn.Proc("cos(1.5707963268)"), 0.1);
Assert.AreEqual(0, rpn.Proc("cos(1.5707963268)"), 0.1);
Assert.AreEqual(-2, rpn.Proc("2cos(3.141592653979)"), 0.1);
Assert.AreEqual(2, rpn.Proc("2cos(0)"));
Assert.AreEqual(1.5, rpn.Proc("1.5cos(0)"));
Assert.AreEqual(0.5, rpn.Proc(".5cos(0)"));
Assert.AreEqual(1, rpn.Proc("1.cos(0)"));
Assert.That(() => {
RPN rpn = new RPN();
rpn.Proc(".cos(0)");
}, Throws.Exception);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.myButton);
RPN rpn = new RPN();
button.Text = rpn.Proc("1+2*3+4/5");
button.Click += delegate { button.Text = $"{count++} clicks!"; };
}
public void Minus()
{
RPN rpn = new RPN();
Assert.AreEqual(-1, rpn.Proc("-1"));
}
public void Sub()
{
RPN rpn = new RPN();
Assert.AreEqual((1 - 2), rpn.Proc("1-2"));
}
public void Add()
{
RPN rpn = new RPN();
Assert.AreEqual(3, rpn.Proc("1+2"));
}