diff --git a/UnitTests/Core/AbsoluteLayoutTests.cs b/UnitTests/Core/AbsoluteLayoutTests.cs new file mode 100644 index 0000000000..b767c07aeb --- /dev/null +++ b/UnitTests/Core/AbsoluteLayoutTests.cs @@ -0,0 +1,328 @@ +using NStack; +using System; +using System.Collections.Generic; +using System.Xml.Linq; +using Terminal.Gui.Graphs; +using Xunit; +using Xunit.Abstractions; +//using GraphViewTests = Terminal.Gui.Views.GraphViewTests; + +// Alias Console to MockConsole so we don't accidentally use Console +using Console = Terminal.Gui.FakeConsole; + +namespace Terminal.Gui.CoreTests { + public class AbsoluteLayoutTests { + readonly ITestOutputHelper output; + + public AbsoluteLayoutTests (ITestOutputHelper output) + { + this.output = output; + } + + [Fact] + public void AbsoluteLayout_Constructor () + { + var frame = new Rect (1, 2, 3, 4); + var v = new View (frame); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + Assert.Equal (frame, v.Frame); + Assert.Equal (new Rect(0, 0, frame.Width, frame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + v = new View (frame, "v"); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + Assert.Equal (frame, v.Frame); + Assert.Equal (new Rect (0, 0, frame.Width, frame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + v = new View (frame.X, frame.Y, "v"); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + // BUGBUG: v2 - I think the default size should be 0,0 + Assert.Equal (new Rect(frame.X, frame.Y, 1, 1), v.Frame); + Assert.Equal (new Rect (0, 0, 1, 1), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + } + + + [Fact] + public void AbsoluteLayout_Change_Frame () + { + var frame = new Rect (1, 2, 3, 4); + var newFrame = new Rect (1, 2, 30, 40); + + var v = new View (frame); + v.Frame = newFrame; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + v = new View (frame.X, frame.Y, "v"); + v.Frame = newFrame; + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + newFrame = new Rect (10, 20, 30, 40); + v = new View (frame); + v.Frame = newFrame; + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + v = new View (frame.X, frame.Y, "v"); + v.Frame = newFrame; + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Null (v.Height); + Assert.Null (v.Width); + + } + + + [Fact] + public void AbsoluteLayout_Change_Height_or_Width_Absolute () + { + var frame = new Rect (1, 2, 3, 4); + var newFrame = new Rect (1, 2, 30, 40); + + var v = new View (frame); + v.Height = newFrame.Height; + v.Width = newFrame.Width; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Null (v.X); + Assert.Null (v.Y); + Assert.Equal ($"Absolute({newFrame.Height})", v.Height.ToString()); + Assert.Equal ($"Absolute({newFrame.Width})", v.Width.ToString ()); + } + + [Fact] + public void AbsoluteLayout_Change_Height_or_Width_NotAbsolute () + { + var v = new View (Rect.Empty); + v.Height = Dim.Fill (); + v.Width = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + } + + [Fact] + public void AbsoluteLayout_Change_Height_or_Width_Null () + { + var v = new View (Rect.Empty); + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + } + + [Fact] + public void AbsoluteLayout_Change_X_or_Y_Absolute () + { + var frame = new Rect (1, 2, 3, 4); + var newFrame = new Rect (10, 20, 3, 4); + + var v = new View (frame); + v.X = newFrame.X; + v.Y = newFrame.Y; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + Assert.Equal (newFrame, v.Frame); + Assert.Equal (new Rect (0, 0, newFrame.Width, newFrame.Height), v.Bounds); // With Absolute Bounds *is* deterministic before Layout + Assert.Equal ($"Absolute({newFrame.X})", v.X.ToString ()); + Assert.Equal ($"Absolute({newFrame.Y})", v.Y.ToString ()); + Assert.Null (v.Height); + Assert.Null (v.Width); + } + + [Fact] + public void AbsoluteLayout_Change_X_or_Y_NotAbsolute () + { + var v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + } + + [Fact] + public void AbsoluteLayout_Change_X_or_Y_Null () + { + var v = new View (Rect.Empty); + v.X = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + + v = new View (Rect.Empty); + v.X = Pos.Center (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + v.X = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + + v = new View (Rect.Empty); + v.Y = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + + v = new View (Rect.Empty); + v.Y = Pos.Center (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + v.Y = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + } + + [Fact] + public void AbsoluteLayout_Change_X_Y_Height_Width_Absolute () + { + var v = new View (Rect.Empty); + v.X = 1; + v.Y = 2; + v.Height = 3; + v.Width = 4; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = null; + v.Y = null; + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = 1; + v.Y = null; + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = null; + v.Y = 2; + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = null; + v.Y = null; + v.Height = 3; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = null; + v.Y = null; + v.Height = null; + v.Width = 4; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + } + + [Fact] + public void AbsoluteLayout_Change_X_Y_Height_Width_Null () + { + var v = new View (Rect.Empty); + v.X = null; + v.Y = null; + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); + + v = new View (Rect.Empty); + v.X = Pos.Center (); + v.Y = Pos.Center (); + v.Width = Dim.Fill (); + v.Height = Dim.Fill (); + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // BUGBUG: v2 - Changing the Height or Width should change the LayoutStyle + + // BUGBUG: v2 - If all of X, Y, Width, and Height are null or Absolute(n), isn't that the same as LayoutStyle.Absoulte? + v.X = null; + v.Y = null; + v.Height = null; + v.Width = null; + Assert.True (v.LayoutStyle == LayoutStyle.Absolute); // We never automatically change to Absolute from Computed?? + } + + [Fact] + public void AbsoluteLayout_Layout () + { + var superRect = new Rect (0, 0, 100, 100); + var super = new View (superRect, "super"); + Assert.True (super.LayoutStyle == LayoutStyle.Absolute); + var v1 = new View () { + X = 0, + Y = 0, + Width = 10, + Height = 10 + }; + // BUGBUG: v2 - This should be LayoutStyle.Absolute + Assert.True (v1.LayoutStyle == LayoutStyle.Computed); + + var v2 = new View () { + X = 10, + Y = 10, + Width = 10, + Height = 10 + }; + // BUGBUG: v2 - This should be LayoutStyle.Absolute + Assert.True (v1.LayoutStyle == LayoutStyle.Computed); + + super.Add (v1, v2); + super.LayoutSubviews (); + Assert.Equal (new Rect (0, 0, 10, 10), v1.Frame); + Assert.Equal (new Rect (10, 10, 10, 10), v2.Frame); + } + } +}