keii.dev
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 osu.Framework.Allocation;
5using osu.Framework.Graphics;
6using osu.Framework.Graphics.Shapes;
7using osu.Framework.Testing;
8using osuTK;
9
10namespace osu.Framework.Tests.Visual.Drawables
11{
12 [HeadlessTest]
13 [System.ComponentModel.Description("ensure validity of drawables when receiving certain values")]
14 public class TestScenePropertyBoundaries : FrameworkTestScene
15 {
16 [BackgroundDependencyLoader]
17 private void load()
18 {
19 testPositiveScale();
20 testZeroScale();
21 testNegativeScale();
22 }
23
24 private void testPositiveScale()
25 {
26 var box = new Box
27 {
28 Size = new Vector2(100),
29 Scale = new Vector2(2)
30 };
31
32 Add(box);
33
34 AddAssert("Box is loaded", () => box.LoadState >= LoadState.Ready);
35 AddAssert("Box is present", () => box.IsPresent);
36 AddAssert("Box has valid draw matrix", () => checkDrawInfo(box.DrawInfo));
37 }
38
39 private void testZeroScale()
40 {
41 var box = new Box
42 {
43 Size = new Vector2(100),
44 Scale = new Vector2(0)
45 };
46
47 Add(box);
48
49 AddAssert("Box is loaded", () => box.LoadState >= LoadState.Ready);
50 AddAssert("Box is present", () => !box.IsPresent);
51 AddAssert("Box has valid draw matrix", () => checkDrawInfo(box.DrawInfo));
52 }
53
54 private void testNegativeScale()
55 {
56 var box = new Box
57 {
58 Size = new Vector2(100),
59 Scale = new Vector2(-2)
60 };
61
62 Add(box);
63
64 AddAssert("Box is loaded", () => box.LoadState >= LoadState.Ready);
65 AddAssert("Box is present", () => box.IsPresent);
66 AddAssert("Box has valid draw matrix", () => checkDrawInfo(box.DrawInfo));
67 }
68
69 private bool checkDrawInfo(DrawInfo drawInfo) =>
70 checkFloat(drawInfo.Matrix.M11)
71 && checkFloat(drawInfo.Matrix.M12)
72 && checkFloat(drawInfo.Matrix.M13)
73 && checkFloat(drawInfo.Matrix.M21)
74 && checkFloat(drawInfo.Matrix.M22)
75 && checkFloat(drawInfo.Matrix.M23)
76 && checkFloat(drawInfo.Matrix.M31)
77 && checkFloat(drawInfo.Matrix.M32)
78 && checkFloat(drawInfo.Matrix.M33)
79 && checkFloat(drawInfo.MatrixInverse.M11)
80 && checkFloat(drawInfo.MatrixInverse.M12)
81 && checkFloat(drawInfo.MatrixInverse.M13)
82 && checkFloat(drawInfo.MatrixInverse.M21)
83 && checkFloat(drawInfo.MatrixInverse.M22)
84 && checkFloat(drawInfo.MatrixInverse.M23)
85 && checkFloat(drawInfo.MatrixInverse.M31)
86 && checkFloat(drawInfo.MatrixInverse.M32)
87 && checkFloat(drawInfo.MatrixInverse.M33);
88
89 private bool checkFloat(float value) => !float.IsNaN(value) && !float.IsInfinity(value) && !float.IsNegativeInfinity(value);
90 }
91}