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Add TestTreeView_DrawLineEvent_WithScrolling test

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This commit is contained in:
tznind
2023-07-23 17:43:36 +01:00
committed by Tig
parent 78eebd1ce7
commit 101db86bfa
1 changed files with 64 additions and 1 deletions
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65
UnitTests/Views/TreeViewTests.cs
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@@ -1044,7 +1044,7 @@ namespace Terminal.Gui.ViewsTests {
Assert.Equal ("│ └─leaf 2", eventArgs [2].RuneCells.Aggregate ("", (s, n) => s += n.Rune).TrimEnd ());
Assert.Equal ("└─root two", eventArgs [3].RuneCells.Aggregate ("", (s, n) => s += n.Rune).TrimEnd ());
Assert.Equal (1,eventArgs [0].IndexOfExpandCollapseSymbol);
Assert.Equal (1, eventArgs [0].IndexOfExpandCollapseSymbol);
Assert.Equal (3, eventArgs [1].IndexOfExpandCollapseSymbol);
Assert.Equal (3, eventArgs [2].IndexOfExpandCollapseSymbol);
Assert.Equal (1, eventArgs [3].IndexOfExpandCollapseSymbol);
@@ -1060,6 +1060,69 @@ namespace Terminal.Gui.ViewsTests {
Assert.Equal ("leaf 2", eventArgs [2].Model.Text);
Assert.Equal ("root two", eventArgs [3].Model.Text);
}
[Fact, AutoInitShutdown]
public void TestTreeView_DrawLineEvent_WithScrolling ()
{
var tv = new TreeView { Width = 20, Height = 10 };
var eventArgs = new List<DrawTreeViewLineEventArgs<ITreeNode>> ();
tv.DrawLine += (s, e) => {
eventArgs.Add (e);
};
tv.ScrollOffsetHorizontal = 3;
tv.ScrollOffsetVertical = 1;
var n1 = new TreeNode ("root one");
var n1_1 = new TreeNode ("leaf 1");
var n1_2 = new TreeNode ("leaf 2");
n1.Children.Add (n1_1);
n1.Children.Add (n1_2);
var n2 = new TreeNode ("root two");
tv.AddObject (n1);
tv.AddObject (n2);
tv.Expand (n1);
tv.ColorScheme = new ColorScheme ();
tv.LayoutSubviews ();
tv.Draw ();
// Normal drawing of the tree view
TestHelpers.AssertDriverContentsAre (
@"
─leaf 1
─leaf 2
oot two
", output);
Assert.Equal (3, eventArgs.Count ());
Assert.Equal (0, eventArgs [0].Y);
Assert.Equal (1, eventArgs [1].Y);
Assert.Equal (2, eventArgs [2].Y);
Assert.All (eventArgs, ea => Assert.Equal (ea.Tree, tv));
Assert.All (eventArgs, ea => Assert.False (ea.Handled));
Assert.Equal ("─leaf 1", eventArgs [0].RuneCells.Aggregate ("", (s, n) => s += n.Rune).TrimEnd ());
Assert.Equal ("─leaf 2", eventArgs [1].RuneCells.Aggregate ("", (s, n) => s += n.Rune).TrimEnd ());
Assert.Equal ("oot two", eventArgs [2].RuneCells.Aggregate ("", (s, n) => s += n.Rune).TrimEnd ());
Assert.Equal (0, eventArgs [0].IndexOfExpandCollapseSymbol);
Assert.Equal (0, eventArgs [1].IndexOfExpandCollapseSymbol);
Assert.Null (eventArgs [2].IndexOfExpandCollapseSymbol);
Assert.Equal (1, eventArgs [0].IndexOfModelText);
Assert.Equal (1, eventArgs [1].IndexOfModelText);
Assert.Equal (-1, eventArgs [2].IndexOfModelText);
Assert.Equal ("leaf 1", eventArgs [0].Model.Text);
Assert.Equal ("leaf 2", eventArgs [1].Model.Text);
Assert.Equal ("root two", eventArgs [2].Model.Text);
}
[Fact, AutoInitShutdown]
public void TestTreeView_Filter ()
{