A game framework written with osu! in mind.
1// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
2// See the LICENCE file in the repository root for full licence text.
3
4using NUnit.Framework;
5using osu.Framework.Graphics;
6using osu.Framework.Graphics.Containers;
7using osu.Framework.Graphics.Shapes;
8using osuTK;
9
10namespace osu.Framework.Tests.Visual.Layout
11{
12 [TestFixture]
13 public class TestSceneFitInsideFlow : FrameworkTestScene
14 {
15 private const float container_width = 60;
16
17 private Box fitBox;
18
19 [SetUp]
20 public void SetUp() => Schedule(() =>
21 {
22 Child = new FillFlowContainer
23 {
24 Anchor = Anchor.Centre,
25 Origin = Anchor.Centre,
26 AutoSizeAxes = Axes.Y,
27 Width = container_width,
28 Direction = FillDirection.Vertical,
29 Children = new Drawable[]
30 {
31 fitBox = new Box
32 {
33 RelativeSizeAxes = Axes.Both,
34 FillMode = FillMode.Fit
35 },
36 // A box which forces the minimum dimension of the autosize flow container to be the horizontal dimension
37 new Box { Size = new Vector2(container_width, container_width * 2) }
38 }
39 };
40 });
41
42 /// <summary>
43 /// Tests that using <see cref="FillMode.Fit"/> inside a <see cref="FlowContainer{T}"/> that is autosizing in one axis doesn't result in autosize feedback loops.
44 /// Various sizes of the box are tested to ensure that non-one sizes also don't lead to erroneous sizes.
45 /// </summary>
46 /// <param name="value">The relative size of the box that is fitting.</param>
47 [TestCase(0f)]
48 [TestCase(0.5f)]
49 [TestCase(1f)]
50 public void TestFitInsideFlow(float value)
51 {
52 AddStep("Set size", () => fitBox.Size = new Vector2(value));
53
54 var expectedSize = new Vector2(container_width * value);
55
56 AddAssert("Check size before invalidate (1/2)", () => fitBox.DrawSize == expectedSize);
57 AddAssert("Check size before invalidate (2/2)", () => fitBox.DrawSize == expectedSize);
58 AddStep("Invalidate", () => fitBox.Invalidate());
59 AddAssert("Check size after invalidate (1/2)", () => fitBox.DrawSize == expectedSize);
60 AddAssert("Check size after invalidate (2/2)", () => fitBox.DrawSize == expectedSize);
61 }
62 }
63}