Misaki/GhostEngine
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fix(dock): ensure drop safety and consistent reordering semantics

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Misaki
2026-03-28 14:50:11 +09:00
parent 4aeaecfe81
commit 98405cb8ec
3 changed files with 110 additions and 78 deletions
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28
src/Test/Ghost.UnitTest/DockingModelTest.cs
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@@ -171,17 +171,23 @@ public class DockingModelTest
group.AddChild(child2);
group.AddChild(child3);
// Move child1 to end
group.InsertChild(3, child1);
// Move child1 to end (index 2)
group.InsertChild(2, child1);
Assert.AreEqual(child2, group.Children[0]);
Assert.AreEqual(child3, group.Children[1]);
Assert.AreEqual(child1, group.Children[2]);
// Move child3 to start
// Move child3 to start (index 0)
group.InsertChild(0, child3);
Assert.AreEqual(child3, group.Children[0]);
Assert.AreEqual(child2, group.Children[1]);
Assert.AreEqual(child1, group.Children[2]);
// Move child2 forward by one (index 1 -> 2)
group.InsertChild(2, child2);
Assert.AreEqual(child3, group.Children[0]);
Assert.AreEqual(child1, group.Children[1]);
Assert.AreEqual(child2, group.Children[2]);
}
[TestMethod]
@@ -198,4 +204,20 @@ public class DockingModelTest
Assert.AreEqual(child1, group.Children[0]);
Assert.AreEqual(child2, group.Children[1]);
}
[TestMethod]
public void TestPanel_SetInvalidSelectedItem_ResetsSelection()
{
var panel = new DockPanelNode();
var item1 = new object();
var item2 = new object();
panel.Items.Add(item1);
panel.SelectedItem = item1;
panel.SelectedItem = item2; // Not in collection
Assert.IsNull(panel.SelectedItem);
Assert.AreEqual(-1, panel.SelectedIndex);
}
}