41 lines
1.1 KiB
C#
41 lines
1.1 KiB
C#
using ClaudeDo.Ui.Views.Islands;
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using Xunit;
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namespace ClaudeDo.Ui.Tests;
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public class ListsAutoScrollTests
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{
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[Fact]
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public void Middle_of_viewport_does_not_scroll() =>
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Assert.Equal(0, ListsAutoScroll.Delta(300, 600));
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[Fact]
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public void Top_band_scrolls_up_and_speeds_up_towards_the_edge()
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{
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var near = ListsAutoScroll.Delta(30, 600);
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var edge = ListsAutoScroll.Delta(0, 600);
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Assert.True(near < 0);
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Assert.True(edge < near);
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}
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[Fact]
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public void Bottom_band_scrolls_down_and_speeds_up_towards_the_edge()
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{
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var near = ListsAutoScroll.Delta(570, 600);
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var edge = ListsAutoScroll.Delta(600, 600);
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Assert.True(near > 0);
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Assert.True(edge > near);
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}
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[Fact]
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public void Pointer_outside_the_viewport_is_clamped_to_max_step() =>
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Assert.Equal(ListsAutoScroll.Delta(0, 600), ListsAutoScroll.Delta(-50, 600));
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[Fact]
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public void Tiny_or_empty_viewport_is_safe()
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{
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Assert.Equal(0, ListsAutoScroll.Delta(0, 0));
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Assert.True(ListsAutoScroll.Delta(5, 20) < 0);
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}
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}
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