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GenericsTest.SpanF.cs
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GenericsTest.SpanF.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 Span<float> GetSpanF(float e00);
[DllImport(nameof(GenericsNative))]
public static extern void GetSpanFOut(float e00, out Span<float> value);
[DllImport(nameof(GenericsNative), EntryPoint = "GetSpanFPtr")]
public static extern ref readonly Span<float> GetSpanFRef(float e00);
[DllImport(nameof(GenericsNative))]
public static extern Span<float> AddSpanF(Span<float> lhs, Span<float> rhs);
[DllImport(nameof(GenericsNative))]
public static extern Span<float> AddSpanFs(in Span<float> pValues, int count);
}
unsafe partial class GenericsTest
{
private static void TestSpanF()
{
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetSpanF(1.0f));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetSpanFOut(1.0f, out Span<float> value3));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetSpanFRef(1.0f));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddSpanF(default, default));
Assert.Throws<MarshalDirectiveException>(() => {
Span<float> value = default;
GenericsNative.AddSpanFs(in value, 1);
});
}
}