public void SuccessfullyDivideNumbers()
{
var function = new DivideFunction();
var inputs = function.GetInputs();
Assert.Single(inputs);
inputs[0].Value = new [] { 100, 4, 2 };
var result = function.Calculate(inputs);
Assert.NotNull(result);
Assert.Collection(result,
i =>
{
Assert.Equal(typeof(double), i.GetValueType());
Assert.Equal(12.5, TypeConverter.ToObject <double>(i.Value));
},
i =>
{
Assert.Equal(typeof(int), i.GetValueType());
Assert.Equal(12, TypeConverter.ToObject <int>(i.Value));
},
i =>
{
Assert.Equal(typeof(int), i.GetValueType());
Assert.Equal(1, TypeConverter.ToObject <int>(i.Value));
});
}
public void FailToDivideByZero()
{
var function = new DivideFunction();
Assert.Throws <DivideByZeroException>(() =>
{
var inputs = function.GetInputs();
inputs[0].Value = new int[] { 2, 0 };
});
}
public void SuccessfullySetFunctionInfo()
{
var function = new DivideFunction();
Assert.NotNull(function.FunctionInfo);
Assert.Equal("Divide", function.FunctionInfo.Name);
Assert.Equal(new Version("1.0.0"), function.FunctionInfo.Version);
Assert.Equal("Divide numbers.", function.FunctionInfo.Description);
Assert.Collection(function.FunctionInfo.Tags,
i => Assert.Equal("algebra", i),
i => Assert.Equal("divide", i));
}
public void FailToDivideASingleNumber()
{
var function = new DivideFunction();
Assert.Throws <ArgumentException>(() =>
{
var inputs = function.GetInputs();
inputs[0].Value = new[] { 100 };
var result = function.Calculate(inputs);
});
}
public override void ToFunction(out Function function)
{
_left.ToFunction(out var leftF);
_right.ToFunction(out var rightF);
function = new DivideFunction(leftF, rightF);
}
