diff --git a/UnitTests/View/FindDeepestViewTests.cs b/UnitTests/View/FindDeepestViewTests.cs new file mode 100644 index 000000000..6a875fa0c --- /dev/null +++ b/UnitTests/View/FindDeepestViewTests.cs @@ -0,0 +1,178 @@ +using UICatalog.Scenarios; +using Xunit.Abstractions; + +namespace Terminal.Gui.ViewTests; + +/// +/// Tests View.FindDeepestView +/// +/// +public class FindDeepestViewTests (ITestOutputHelper output) +{ + // Test that FindDeepestView returns the correct view if the start view has no subviews + [Theory] + [InlineData (0, 0)] + [InlineData (1, 1)] + [InlineData (2, 2)] + public void Returns_Start_If_No_SubViews (int testX, int testY) + { + var view = new View () + { + Width = 10, Height = 10, + }; + + Assert.Same (view, View.FindDeepestView (view, testX, testY, out _, out _)); + } + + // Test that FindDeepestView returns null if the start view has no subviews and coords are outside the view + [Theory] + [InlineData (0, 0)] + [InlineData (2, 1)] + [InlineData (20, 20)] + public void Returns_Null_If_No_SubViews_Coords_Outside (int testX, int testY) + { + var view = new View () + { + X = 1, Y = 2, + Width = 10, Height = 10, + }; + + Assert.Null(View.FindDeepestView (view, testX, testY, out _, out _)); + } + + // Test that FindDeepestView returns the correct view if the start view has subviews + [Theory] + [InlineData (0, 0, false)] + [InlineData (1, 1, false)] + [InlineData (9, 9, false)] + [InlineData (10, 10, false)] + [InlineData (6, 7, false)] + + [InlineData (1, 2, true)] + [InlineData (5, 6, true)] + public void Returns_Correct_If_SubViews (int testX, int testY, bool expectedSubViewFound) + { + var view = new View () + { + Width = 10, Height = 10, + }; + + var subview = new View () + { + X = 1, Y = 2, + Width = 5, Height = 5, + }; + view.Add (subview); + + var found = View.FindDeepestView (view, testX, testY, out _, out _); + + Assert.Equal (expectedSubViewFound, found == subview); + } + + // Test that FindDeepestView works if the start view has positive Adornments + [Theory] + [InlineData (0, 0, false)] + [InlineData (1, 1, false)] + [InlineData (9, 9, false)] + [InlineData (10, 10, false)] + [InlineData (7, 8, false)] + [InlineData (1, 2, false)] + + [InlineData (2, 3, true)] + [InlineData (5, 6, true)] + [InlineData (2, 3, true)] + [InlineData (6, 7, true)] + public void Returns_Correct_If_Start_Has_Adornments (int testX, int testY, bool expectedSubViewFound) + { + var view = new View () + { + Width = 10, Height = 10, + }; + view.Margin.Thickness = new Thickness (1); + + var subview = new View () + { + X = 1, Y = 2, + Width = 5, Height = 5, + }; + view.Add (subview); + + var found = View.FindDeepestView (view, testX, testY, out _, out _); + + Assert.Equal (expectedSubViewFound, found == subview); + } + + // Test that FindDeepestView works if the subview has positive Adornments + [Theory] + [InlineData (0, 0, false)] + [InlineData (1, 1, false)] + [InlineData (9, 9, false)] + [InlineData (10, 10, false)] + [InlineData (7, 8, false)] + [InlineData (6, 7, false)] + + [InlineData (1, 2, true)] + [InlineData (2, 3, true)] + [InlineData (5, 6, true)] + [InlineData (2, 3, true)] + public void Returns_Correct_If_SubView_Has_Adornments (int testX, int testY, bool expectedSubViewFound) + { + var view = new View () + { + Width = 10, Height = 10, + }; + + var subview = new View () + { + X = 1, Y = 2, + Width = 5, Height = 5, + }; + subview.Margin.Thickness = new Thickness (1); + view.Add (subview); + + var found = View.FindDeepestView (view, testX, testY, out _, out _); + + Assert.Equal (expectedSubViewFound, found == subview); + } + + // Test that FindDeepestView works with nested subviews + [Theory] + [InlineData (0, 0, -1)] + [InlineData (9, 9, -1)] + [InlineData (10, 10, -1)] + + [InlineData (1, 1, 0)] + [InlineData (1, 2, 0)] + [InlineData (2, 2, 1)] + [InlineData (3, 3, 2)] + [InlineData (5, 5, 2)] + public void Returns_Correct_With_NestedSubViews (int testX, int testY, int expectedSubViewFound) + { + var start = new View () + { + Width = 10, Height = 10 + }; + + int numSubViews = 3; + List subviews = new List (); + for (int i = 0; i < numSubViews; i++) + { + var subview = new View () + { + X = 1, Y = 1, + Width = 5, Height = 5, + }; + subviews.Add (subview); + + if (i > 0) + { + subviews [i - 1].Add (subview); + } + } + + start.Add (subviews [0]); + + var found = View.FindDeepestView (start, testX, testY, out _, out _); + Assert.Equal (expectedSubViewFound, subviews.IndexOf(found)); + } +}