ShrinkAxis.Length must shrink the Y extent and ShrinkAxis.Width the X extent to agree with MeasureDimension/TrimToCount; Box's constructor takes the X extent first. The estimate previously shrank the wrong dimension and returned a mis-ordered box. Add a parameterized regression test over both axes and both translated-remnant orientations.
41 lines
1.4 KiB
C#
41 lines
1.4 KiB
C#
using OpenNest.Engine.Fill;
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using OpenNest.Engine.Tests.Jobs;
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using OpenNest.Geometry;
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namespace OpenNest.Engine.Tests.Fill;
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public class ShrinkWorkAreaTests
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{
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[Theory]
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[InlineData(ShrinkAxis.Length, 30, 60)]
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[InlineData(ShrinkAxis.Length, 60, 30)]
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[InlineData(ShrinkAxis.Width, 30, 60)]
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[InlineData(ShrinkAxis.Width, 60, 30)]
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public void EstimateStartBox_ShrinksOnlyRequestedAxis_WithinTranslatedRectangularRemnant(
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ShrinkAxis axis, double length, double width)
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{
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var item = new NestItem
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{
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Drawing = new Drawing("rectangle", TestDrawingFactory.Rectangle(4, 3)),
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Quantity = 2,
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};
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var box = new Box(80, 7, length, width);
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var estimate = ShrinkFiller.EstimateStartBox(item, box, 0.3, axis, 2);
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Assert.Equal(box.Location, estimate.Location);
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Assert.True(box.Contains(estimate), "A shrink estimate must never expand beyond its input remnant.");
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// ShrinkAxis follows the fill/trim direction: Length trims top, Width trims right.
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if (axis == ShrinkAxis.Length)
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{
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Assert.Equal(box.Length, estimate.Length);
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Assert.InRange(estimate.Width, double.Epsilon, box.Width - double.Epsilon);
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}
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else
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{
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Assert.Equal(box.Width, estimate.Width);
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Assert.InRange(estimate.Length, double.Epsilon, box.Length - double.Epsilon);
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}
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}
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}
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