public void Works_with_simple_value()
{
var items = new[] { 1 };
var invocations = items.AsFunctionsTree();
var e = invocations.GetEnumerator();
var sut = new TextInvocationReader();
IsTrue(e.MoveNext());
e.Current.Accept(sut);
AreEqual("1", sut.ToString());
IsFalse(e.MoveNext());
}
public void Works_with_call_stack()
{
var func = new Func<string, string>(x => "a" + x);
var items = new object[] { func, "b" };
var invocations = items.AsFunctionsTree(1);
var e = invocations.GetEnumerator();
var sut = new TextInvocationReader();
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("foo(foo(\"b\"))", sut.ToString());
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("foo(\"b\")", sut.ToString());
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("\"b\"", sut.ToString());
IsFalse(e.MoveNext());
}
public void Works_with_parameterless_delegate()
{
var func = new Func<string>(() => "a");
var items = new[] { func };
var invocations = items.AsFunctionsTree();
var e = invocations.GetEnumerator();
var sut = new TextInvocationReader();
IsTrue(e.MoveNext());
e.Current.Accept(sut);
AreEqual("foo()", sut.ToString());
IsFalse(e.MoveNext());
}
public void Works_with_delegate()
{
var func = new Func<int, string>(x => "a" + x);
var items = new object[] { 1, func, 2 };
var invocations = items.AsFunctionsTree();
var e = invocations.GetEnumerator();
var sut = new TextInvocationReader();
IsTrue(e.MoveNext());
e.Current.Accept(sut);
AreEqual("1", sut.ToString());
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("foo(1)", sut.ToString());
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("foo(2)", sut.ToString());
IsTrue(e.MoveNext());
sut.Clear();
e.Current.Accept(sut);
AreEqual("2", sut.ToString());
IsFalse(e.MoveNext());
}