39 lines
1.1 KiB
C#
39 lines
1.1 KiB
C#
using OpenNest.Shapes;
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namespace OpenNest.Tests.Shapes;
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public class RoundedRectangleShapeTests
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{
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[Fact]
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public void GetDrawing_BoundingBoxMatchesDimensions()
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{
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var shape = new RoundedRectangleShape { Width = 20, Height = 10, Radius = 2 };
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var drawing = shape.GetDrawing();
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var bbox = drawing.Program.BoundingBox();
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Assert.Equal(20, bbox.Width, 0.1);
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Assert.Equal(10, bbox.Length, 0.1);
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}
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[Fact]
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public void GetDrawing_AreaIsLessThanFullRectangle()
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{
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var shape = new RoundedRectangleShape { Width = 20, Height = 10, Radius = 2 };
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var drawing = shape.GetDrawing();
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// Area should be less than 20*10=200 because corners are rounded
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// Area = W*H - (4 - pi) * r^2 = 200 - (4 - pi) * 4 ~ 196.57
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Assert.True(drawing.Area < 200);
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Assert.True(drawing.Area > 190);
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}
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[Fact]
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public void GetDrawing_ZeroRadius_MatchesRectangleArea()
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{
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var shape = new RoundedRectangleShape { Width = 20, Height = 10, Radius = 0 };
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var drawing = shape.GetDrawing();
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Assert.Equal(200, drawing.Area, 0.5);
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}
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}
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