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feat(D.2b): UiMeter vital bar + fill-geometry tests

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Adds UiMeter, the horizontal vital-bar widget for the D.2b retail-look
UI toolkit. Solid-color fill for Spec 1; the retail orb sprite + scissor
crop path is reserved for a later sub-phase. Five unit tests (1 Fact +
4 Theory) cover half-fill geometry and clamping at -1/0/1/2 fractions.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-06-14 16:38:07 +02:00
parent 0bf790c8bf
commit 064ef41ce4
2 changed files with 65 additions and 0 deletions
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25
tests/AcDream.App.Tests/UI/UiMeterTests.cs Normal file
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using AcDream.App.UI;
namespace AcDream.App.Tests.UI;
public class UiMeterTests
{
[Fact]
public void ComputeFillRect_HalfFillIsHalfWidth()
{
var (x, y, w, h) = UiMeter.ComputeFillRect(0.5f, 200f, 12f);
Assert.Equal(0f, x); Assert.Equal(0f, y);
Assert.Equal(100f, w); Assert.Equal(12f, h);
}
[Theory]
[InlineData(-1f, 0f)] // clamps below 0
[InlineData(2f, 200f)] // clamps above 1
[InlineData(0f, 0f)]
[InlineData(1f, 200f)]
public void ComputeFillRect_ClampsFraction(float pct, float expectedW)
{
var (_, _, w, _) = UiMeter.ComputeFillRect(pct, 200f, 12f);
Assert.Equal(expectedW, w);
}
}