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GenericsTest.NullableB.cs
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GenericsTest.NullableB.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 bool? GetNullableB(bool hasValue, bool value);
[DllImport(nameof(GenericsNative))]
public static extern void GetNullableBOut(bool hasValue, bool value, out bool? pValue);
[DllImport(nameof(GenericsNative), EntryPoint = "GetNullableBPtr")]
public static extern ref readonly bool? GetNullableBRef(bool hasValue, bool value);
[DllImport(nameof(GenericsNative))]
public static extern bool? AddNullableB(bool? lhs, bool? rhs);
[DllImport(nameof(GenericsNative))]
public static extern bool? AddNullableBs([MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] bool?[] pValues, int count);
[DllImport(nameof(GenericsNative))]
public static extern bool? AddNullableBs(in bool? pValues, int count);
}
unsafe partial class GenericsTest
{
private static void TestNullableB()
{
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetNullableB(true, false));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.GetNullableBOut(true, false, out bool? value3));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddNullableB(default, default));
bool?[] values = new bool?[] {
default,
default,
default,
default,
default
};
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddNullableBs(values, values.Length));
Assert.Throws<MarshalDirectiveException>(() => GenericsNative.AddNullableBs(in values[0], values.Length));
}
}