public void GotoLabel_Factory_ArgumentChecking()
{
// null
AssertEx.Throws <ArgumentNullException>(() => CSharpStatement.GotoLabel(default(LabelTarget)));
// type
var l = Expression.Label(typeof(int));
AssertEx.Throws <ArgumentException>(() => CSharpStatement.GotoLabel(l));
}
public void GotoLabel_Visitor()
{
var l = Expression.Label();
var g = CSharpStatement.GotoLabel(l);
var v = new V();
Assert.AreSame(g, v.Visit(g));
Assert.AreEqual(g.Kind, v.VisitedKind);
}
public void GotoLabel_Properties()
{
var l = Expression.Label();
var g = CSharpStatement.GotoLabel(l);
Assert.AreEqual(typeof(void), g.Type);
Assert.AreEqual(CSharpExpressionType.Goto, g.CSharpNodeType);
Assert.AreEqual(CSharpGotoKind.GotoLabel, g.Kind);
Assert.AreSame(l, g.Target);
Assert.IsTrue(g.CanReduce);
}
public void GotoLabel_Update()
{
var l = Expression.Label();
var m = Expression.Label();
var g = CSharpStatement.GotoLabel(l);
var u1 = g.Update(l);
Assert.AreSame(g, u1);
var u2 = g.Update(m);
Assert.AreNotSame(g, u2);
Assert.AreSame(m, u2.Target);
}