44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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namespace Shapes
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{
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public class Validator
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{
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public static void ValidateDouble(double value, string errorMessage)
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{
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if (double.IsInfinity(value) || double.IsNaN(value))
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throw new ShapeException(errorMessage);
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}
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public static void ValidatePositiveDouble(double value, String errorMessage)
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{
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ValidateDouble(value, errorMessage);
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if (value < 0)
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throw new ShapeException(errorMessage);
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}
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public static void ValidateRectangle(Point point1, Point point2, Point point3, Point point4, String errorMessage)
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{
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var TOLERANCE = Double.Epsilon + Double.Epsilon;
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var plumLine1 = new Line(point1, point3);
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var plumLine2 = new Line(point2, point4);
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var heightLine1 = new Line(point1, point4);
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var heightLine2 = new Line( point2, point3);
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var lengthLine1 = new Line(point1, point2);
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var lengthLine2 = new Line(point4, point3);
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if (Math.Abs(plumLine1.ComputeLength() - plumLine2.ComputeLength()) > TOLERANCE
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|| Math.Abs(heightLine1.ComputeLength() - heightLine2.ComputeLength()) > TOLERANCE
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|| Math.Abs(lengthLine1.ComputeLength() - lengthLine2.ComputeLength()) > TOLERANCE )
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{
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throw new ShapeException(errorMessage);
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}
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}
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}
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} |