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GenericsTest.Point2D.cs
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GenericsTest.Point2D.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Runtime.InteropServices;
using Xunit;
unsafe partial class GenericsNative
{
[DllImport(nameof(GenericsNative))]
public static extern Point2<double> GetPoint2D(double e00, double e01);
[DllImport(nameof(GenericsNative))]
public static extern void GetPoint2DOut(double e00, double e01, Point2<double>* value);
[DllImport(nameof(GenericsNative))]
public static extern void GetPoint2DOut(double e00, double e01, out Point2<double> value);
[DllImport(nameof(GenericsNative))]
public static extern Point2<double>* GetPoint2DPtr(double e00, double e01);
[DllImport(nameof(GenericsNative), EntryPoint = "GetPoint2DPtr")]
public static extern ref readonly Point2<double> GetPoint2DRef(double e00, double e01);
[DllImport(nameof(GenericsNative))]
public static extern Point2<double> AddPoint2D(Point2<double> lhs, Point2<double> rhs);
[DllImport(nameof(GenericsNative))]
public static extern Point2<double> AddPoint2Ds(Point2<double>* pValues, int count);
[DllImport(nameof(GenericsNative))]
public static extern Point2<double> AddPoint2Ds([MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] Point2<double>[] pValues, int count);
[DllImport(nameof(GenericsNative))]
public static extern Point2<double> AddPoint2Ds(in Point2<double> pValues, int count);
}
unsafe partial class GenericsTest
{
private static void TestPoint2D()
{
GenericsNative.Point2<double> value = GenericsNative.GetPoint2D(1.0, 2.0);
Assert.Equal(value.e00, 1.0);
Assert.Equal(value.e01, 2.0);
GenericsNative.Point2<double> value2;
GenericsNative.GetPoint2DOut(1.0, 2.0, &value2);
Assert.Equal(value2.e00, 1.0);
Assert.Equal(value2.e01, 2.0);
GenericsNative.GetPoint2DOut(1.0, 2.0, out GenericsNative.Point2<double> value3);
Assert.Equal(value3.e00, 1.0);
Assert.Equal(value3.e01, 2.0);
GenericsNative.Point2<double>* value4 = GenericsNative.GetPoint2DPtr(1.0, 2.0);
Assert.Equal(value4->e00, 1.0);
Assert.Equal(value4->e01, 2.0);
ref readonly GenericsNative.Point2<double> value5 = ref GenericsNative.GetPoint2DRef(1.0, 2.0);
Assert.Equal(value5.e00, 1.0);
Assert.Equal(value5.e01, 2.0);
GenericsNative.Point2<double> result = GenericsNative.AddPoint2D(value, value);
Assert.Equal(result.e00, 2.0);
Assert.Equal(result.e01, 4.0);
GenericsNative.Point2<double>[] values = new GenericsNative.Point2<double>[] {
value,
value2,
value3,
*value4,
value5
};
fixed (GenericsNative.Point2<double>* pValues = &values[0])
{
GenericsNative.Point2<double> result2 = GenericsNative.AddPoint2Ds(pValues, values.Length);
Assert.Equal(result2.e00, 5.0);
Assert.Equal(result2.e01, 10.0);
}
GenericsNative.Point2<double> result3 = GenericsNative.AddPoint2Ds(values, values.Length);
Assert.Equal(result3.e00, 5.0);
Assert.Equal(result3.e01, 10.0);
GenericsNative.Point2<double> result4 = GenericsNative.AddPoint2Ds(in values[0], values.Length);
Assert.Equal(result4.e00, 5.0);
Assert.Equal(result4.e01, 10.0);
}
}