public void FunctionWithNullFunctionThrows()
{
var e = Assert.Throws <ArgumentNullException>(() =>
Reader.Function <object, object>(null));
Assert.Equal("reader", e.ParamName);
}
public void FunctionInvokesFunction()
{
var read = false;
var reader = Reader.Function((object e) =>
{
read = true;
return(e);
});
var env = new object();
var result = reader.Read(env);
Assert.True(read);
Assert.Same(env, result);
}
