public void Test_ArbitraryFolderNode_CommandGetter_Throwing()
{
SetupMEF();
var tlv = new TreeListView();
var common = new RDMPCollectionCommonFunctionality();
common.SetUp(RDMPCollection.None, tlv, ItemActivator, null, null);
var node = new ArbitraryFolderNode("my node", 0);
var menu1 = common.GetMenuIfExists(node);
Assert.IsNotNull(menu1);
int count1 = menu1.Items.Count;
//some you get for free e.g. Expand/Collapse
Assert.GreaterOrEqual(count1, 2);
//set the menu to have one command in it
node.CommandGetter = () => new IAtomicCommand[] { new ImpossibleCommand("Do Nothing") };
var menu2 = common.GetMenuIfExists(node);
int count2 = menu2.Items.Count;
Assert.AreEqual(count1 + 1, count2);
//what happens if the delegate crashes?
node.CommandGetter = () => throw new NotSupportedException("It went wrong!");
Assert.DoesNotThrow(() => common.GetMenuIfExists(node));
AssertErrorWasShown(ExpectedErrorType.GlobalErrorCheckNotifier, "Failed to build menu for my node of Type Rdmp.Core.Providers.Nodes.ArbitraryFolderNode");
}
public ArbitraryFolderNodeMenu(RDMPContextMenuStripArgs args, ArbitraryFolderNode folder) : base(args, folder)
{
if (folder.CommandGetter != null)
{
foreach (IAtomicCommand cmd in folder.CommandGetter())
{
Add(cmd);
}
}
}
