public void Union_None()
{
// Union with none is same
PrintingPermission pp1 = new PrintingPermission(PermissionState.None);
PrintingPermission pp2 = new PrintingPermission(PermissionState.None);
PrintingPermission union = null;
// a. source (this) is none
pp2.Level = PrintingPermissionLevel.NoPrinting;
union = (PrintingPermission)pp1.Union(pp2);
Assert.IsNull(union, "target NoPrinting");
foreach (PrintingPermissionLevel ppl in AllLevelExceptNoAndAllLevel)
{
pp2.Level = ppl;
union = (PrintingPermission)pp1.Union(pp2);
Assert.IsFalse(union.IsUnrestricted(), "target " + ppl.ToString());
}
pp2.Level = PrintingPermissionLevel.AllPrinting;
union = (PrintingPermission)pp1.Union(pp2);
Assert.IsTrue(union.IsUnrestricted(), "target AllPrinting");
// b. destination (target) is none
pp2.Level = PrintingPermissionLevel.NoPrinting;
union = (PrintingPermission)pp2.Union(pp1);
Assert.IsNull(union, "source NoPrinting");
foreach (PrintingPermissionLevel ppl in AllLevelExceptNoAndAllLevel)
{
pp2.Level = ppl;
union = (PrintingPermission)pp2.Union(pp1);
Assert.IsFalse(union.IsUnrestricted(), "source " + ppl.ToString());
}
pp2.Level = PrintingPermissionLevel.AllPrinting;
union = (PrintingPermission)pp2.Union(pp1);
Assert.IsTrue(union.IsUnrestricted(), "source AllPrinting");
}
public void Union_Self()
{
PrintingPermission pp = new PrintingPermission(PermissionState.None);
foreach (PrintingPermissionLevel ppl in AllLevelExceptNoLevel)
{
pp.Level = ppl;
PrintingPermission result = (PrintingPermission)pp.Union(pp);
Assert.AreEqual(ppl, result.Level, ppl.ToString());
}
// union of NoPrinting with NoPrinting == null
pp.Level = PrintingPermissionLevel.NoPrinting;
Assert.IsNull(pp.Union(pp), "NoPrinting");
}
public void Union_Null()
{
PrintingPermission pp = new PrintingPermission(PermissionState.None);
// Union with null is a simple copy
foreach (PrintingPermissionLevel ppl in AllLevel)
{
pp.Level = ppl;
PrintingPermission union = (PrintingPermission)pp.Union(null);
Assert.AreEqual(ppl, union.Level, ppl.ToString());
}
}
public void Union_Unrestricted()
{
// Union with unrestricted is unrestricted
PrintingPermission sp1 = new PrintingPermission(PermissionState.Unrestricted);
PrintingPermission sp2 = new PrintingPermission(PermissionState.None);
// a. source (this) is unrestricted
foreach (PrintingPermissionLevel ppl in AllLevel)
{
sp2.Level = ppl;
PrintingPermission union = (PrintingPermission)sp1.Union(sp2);
Assert.IsTrue(union.IsUnrestricted(), "target " + ppl.ToString());
}
// b. destination (target) is unrestricted
foreach (PrintingPermissionLevel ppl in AllLevel)
{
sp2.Level = ppl;
PrintingPermission union = (PrintingPermission)sp2.Union(sp1);
Assert.IsTrue(union.IsUnrestricted(), "source " + ppl.ToString());
}
}
