A game framework written with osu! in mind.
keii.dev
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.Extensions.Color4Extensions;
6using osu.Framework.Graphics;
7using osu.Framework.Graphics.Containers;
8using osu.Framework.Graphics.Shapes;
9using osu.Framework.Graphics.Sprites;
10using osu.Framework.Utils;
11using osu.Framework.Testing;
12using osu.Framework.Tests.Visual;
13using osuTK.Graphics;
14
15namespace osu.Framework.Tests.Sprites
16{
17 [HeadlessTest]
18 public class TestSceneSpriteTextPresence : FrameworkTestScene
19 {
20 /// <summary>
21 /// Tests with a normal <see cref="SpriteText"/> which changes presence based on whether text is empty.
22 /// </summary>
23 [Test]
24 public void TestNormalSpriteText()
25 {
26 Container container = null;
27 SpriteText text = null;
28
29 AddStep("reset", () =>
30 {
31 Child = container = new Container
32 {
33 Anchor = Anchor.Centre,
34 Origin = Anchor.Centre,
35 AutoSizeAxes = Axes.Both,
36 Children = new Drawable[]
37 {
38 new Box
39 {
40 RelativeSizeAxes = Axes.Both,
41 Colour = Color4.Red.Opacity(0.3f)
42 },
43 text = new SpriteText
44 {
45 Text = "Hello world!",
46 Font = new FontUsage(size: 12),
47 }
48 }
49 };
50 });
51
52 AddAssert("is present", () => text.IsPresent);
53 AddAssert("height == 12", () => Precision.AlmostEquals(12, container.Height));
54 AddStep("empty text", () => text.Text = string.Empty);
55 AddAssert("not present", () => !text.IsPresent);
56 AddAssert("height == 0", () => Precision.AlmostEquals(0, container.Height));
57 }
58
59 /// <summary>
60 /// Tests with a special <see cref="SpriteText"/> that always remains present regardless of whether text is empty.
61 /// </summary>
62 [Test]
63 public void TestAlwaysPresentSpriteText()
64 {
65 Container container = null;
66 SpriteText text = null;
67
68 AddStep("reset", () =>
69 {
70 Child = container = new Container
71 {
72 Anchor = Anchor.Centre,
73 Origin = Anchor.Centre,
74 AutoSizeAxes = Axes.Both,
75 Children = new Drawable[]
76 {
77 new Box
78 {
79 RelativeSizeAxes = Axes.Both,
80 Colour = Color4.Red.Opacity(0.3f)
81 },
82 text = new AlwaysPresentSpriteText
83 {
84 Text = "Hello world!",
85 Font = new FontUsage(size: 12),
86 }
87 }
88 };
89 });
90
91 AddAssert("is present", () => text.IsPresent);
92 AddAssert("height == 12", () => Precision.AlmostEquals(12, container.Height));
93 AddStep("empty text", () => text.Text = string.Empty);
94 AddAssert("is present", () => text.IsPresent);
95 AddAssert("height == 0", () => Precision.AlmostEquals(0, container.Height));
96 }
97
98 /// <summary>
99 /// Tests that the <see cref="Drawable.IsPresent"/> state of the <see cref="SpriteText"/> doesn't change during flow layout.
100 /// </summary>
101 [Test]
102 public void TestPresenceRemainsTheSameDuringFlow()
103 {
104 AddStep("reset", () =>
105 {
106 Child = new FillFlowContainer
107 {
108 Child = new SpriteText()
109 };
110 });
111
112 AddWaitStep("wait for some update frames", 2);
113 }
114
115 private class AlwaysPresentSpriteText : SpriteText
116 {
117 public override bool IsPresent => true;
118 }
119 }
120}