f74e017509
UiElement.MaxHeight + ResizableEdges mask; UiCollapsibleFrame snaps height to the nearer
of {collapsed,expanded} and toggles row-2 visibility; GameWindow computes the two heights
from the layout + top-anchors the content. Amends IA-17. UiNineSlicePanel unsealed to
allow subclassing.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
63 lines
2 KiB
C#
63 lines
2 KiB
C#
using AcDream.App.UI;
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using Xunit;
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namespace AcDream.App.Tests.UI;
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public class UiCollapsibleFrameTests
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{
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private static UiCollapsibleFrame MakeFrame(out UiPanel row2a, out UiPanel row2b)
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{
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var f = new UiCollapsibleFrame(_ => (1u, 1, 1))
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{
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CollapsedHeight = 96f,
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ExpandedHeight = 128f,
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};
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row2a = new UiPanel(); row2b = new UiPanel();
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f.SecondRow = new UiElement[] { row2a, row2b };
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return f;
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}
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[Fact]
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public void Tick_belowMidpoint_snapsCollapsed_hidesSecondRow()
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{
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var f = MakeFrame(out var a, out var b);
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f.Height = 100f; // nearer the collapsed stop (midpoint 112)
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f.TickForTest(0.016);
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Assert.Equal(96f, f.Height);
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Assert.False(a.Visible);
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Assert.False(b.Visible);
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Assert.False(f.IsExpanded);
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}
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[Fact]
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public void Tick_aboveMidpoint_snapsExpanded_showsSecondRow()
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{
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var f = MakeFrame(out var a, out var b);
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f.Height = 120f; // nearer the expanded stop
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f.TickForTest(0.016);
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Assert.Equal(128f, f.Height);
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Assert.True(a.Visible);
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Assert.True(b.Visible);
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Assert.True(f.IsExpanded);
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}
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[Fact]
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public void Tick_notConfigured_isNoOp()
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{
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var f = new UiCollapsibleFrame(_ => (1u, 1, 1)); // Collapsed==Expanded==0
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f.Height = 50f;
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f.TickForTest(0.016);
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Assert.Equal(50f, f.Height); // unchanged, no divide/no forced height
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}
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[Fact]
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public void HitEdges_respectsResizableEdgesMask_bottomOnly()
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{
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var panel = new UiPanel { Left = 100, Top = 100, Width = 200, Height = 100,
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Resizable = true, ResizableEdges = ResizeEdges.Bottom };
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// bottom edge (y=200) → Bottom only
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Assert.Equal(ResizeEdges.Bottom, UiRoot.HitEdges(panel, 200, 200, 5));
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// top edge (y=100) → masked out → None
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Assert.Equal(ResizeEdges.None, UiRoot.HitEdges(panel, 200, 100, 5));
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}
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}
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