using OpenNest.Shapes; namespace OpenNest.Tests.Shapes; public class TrapezoidShapeTests { [Fact] public void GetDrawing_BoundingBoxMatchesDimensions() { var shape = new TrapezoidShape { BottomWidth = 20, TopWidth = 10, Height = 8 }; var drawing = shape.GetDrawing(); var bbox = drawing.Program.BoundingBox(); Assert.Equal(20, bbox.Width, 0.01); Assert.Equal(8, bbox.Length, 0.01); } [Fact] public void GetDrawing_AreaIsCorrect() { var shape = new TrapezoidShape { BottomWidth = 20, TopWidth = 10, Height = 8 }; var drawing = shape.GetDrawing(); // Area = (top + bottom) / 2 * height = (10 + 20) / 2 * 8 = 120 Assert.Equal(120, drawing.Area, 0.5); } }