public void Call_DiviteNonZeroInts()
{
_context.Setup(mock => mock.Get <IntValue>(0)).Returns(new IntValue(5));
_context.Setup(mock => mock.Get <IntValue>(1)).Returns(new IntValue(2));
var function = new IntValueDivisionFunction();
var result = function.Call(_context.Object);
Assert.IsInstanceOfType(result, typeof(IntValue));
Assert.AreEqual(5 / 2, ((IntValue)result).Value);
}
public void Call_DivideByZero()
{
_context.Setup(mock => mock.Get <IntValue>(0)).Returns(new IntValue(5));
_context.Setup(mock => mock.Get <IntValue>(1)).Returns(new IntValue(0));
_context.Setup(mock => mock.Error(It.IsAny <string>())).Returns(new IntValue(null));
var function = new IntValueDivisionFunction();
var result = function.Call(_context.Object);
Assert.IsInstanceOfType(result, typeof(IntValue));
Assert.IsTrue(result.IsNull);
_context.Verify(mock => mock.Error("Division by zero."), Times.Once);
}
