summaryrefslogtreecommitdiff
path: root/tests/src/JIT/jit64/valuetypes/nullable/box-unbox/interface/box-unbox-interface002.cs
blob: 4e77831bda333058411ea75afddd6109e9bd9607 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.


using System.Runtime.InteropServices;
using System;

internal class NullableTest
{
    private static bool BoxUnboxToNQ(IEmpty o)
    {
        return Helper.Compare((ImplementTwoInterface)o, Helper.Create(default(ImplementTwoInterface)));
    }

    private static bool BoxUnboxToQ(IEmpty o)
    {
        return Helper.Compare((ImplementTwoInterface?)o, Helper.Create(default(ImplementTwoInterface)));
    }

    private static int Main()
    {
        ImplementTwoInterface? s = Helper.Create(default(ImplementTwoInterface));

        if (BoxUnboxToNQ(s) && BoxUnboxToQ(s))
            return ExitCode.Passed;
        else
            return ExitCode.Failed;
    }
}