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fix(dock): robust selection sync, internal parent setter, and XML docs

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Misaki
2026-03-28 12:42:42 +09:00
parent 4052ffb854
commit 3ea4260405
4 changed files with 153 additions and 15 deletions
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63
src/Test/Ghost.UnitTest/DockingModelTest.cs
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@@ -16,7 +16,7 @@ public class DockingModelTest
group.AddChild(child);
Assert.AreEqual(group, child.Parent);
Assert.IsTrue(group.Children.Contains(child));
CollectionAssert.Contains(group.Children, child);
}
[TestMethod]
@@ -30,8 +30,8 @@ public class DockingModelTest
group2.AddChild(child);
Assert.AreEqual(group2, child.Parent);
Assert.IsFalse(group1.Children.Contains(child));
Assert.IsTrue(group2.Children.Contains(child));
CollectionAssert.DoesNotContain(group1.Children, child);
CollectionAssert.Contains(group2.Children, child);
}
[TestMethod]
@@ -63,7 +63,7 @@ public class DockingModelTest
group.RemoveChild(child);
Assert.IsNull(child.Parent);
Assert.IsFalse(group.Children.Contains(child));
CollectionAssert.DoesNotContain(group.Children, child);
}
[TestMethod]
@@ -120,4 +120,59 @@ public class DockingModelTest
Assert.AreEqual(-1, panel.SelectedIndex);
Assert.IsNull(panel.SelectedItem);
}
[TestMethod]
public void TestPanel_RemoveMiddleItem_MaintainsSelection()
{
var panel = new DockPanelNode();
var item1 = new object();
var item2 = new object();
var item3 = new object();
panel.Items.Add(item1);
panel.Items.Add(item2);
panel.Items.Add(item3);
panel.SelectedItem = item2;
Assert.AreEqual(1, panel.SelectedIndex);
// Remove item1 (before selection)
panel.Items.Remove(item1);
Assert.AreEqual(item2, panel.SelectedItem);
Assert.AreEqual(0, panel.SelectedIndex);
}
[TestMethod]
public void TestPanel_RemoveSelectedItem_UpdatesSelection()
{
var panel = new DockPanelNode();
var item1 = new object();
var item2 = new object();
panel.Items.Add(item1);
panel.Items.Add(item2);
panel.SelectedItem = item1;
panel.Items.Remove(item1);
// Should fallback to next available item at same index
Assert.AreEqual(item2, panel.SelectedItem);
Assert.AreEqual(0, panel.SelectedIndex);
}
[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);
}
}