// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using Xunit;

namespace System.ComponentModel.Design.Tests
{
    public class ExceptionCollectionTests : IClassFixture<ThreadExceptionFixture>
    {
        public static IEnumerable<object[]> Ctor_ArrayList_TestData()
        {
            yield return new object[] { null };
            yield return new object[] { new ArrayList() };
            yield return new object[] { new ArrayList { 1, 2, 3 } };
        }

        [Theory]
        [MemberData(nameof(Ctor_ArrayList_TestData))]
        public void ExceptionCollection_Ctor_ArrayList(ArrayList exceptions)
        {
            var collection = new ExceptionCollection(exceptions);
            if (exceptions is null)
            {
                Assert.Null(collection.Exceptions);
            }
            else
            {
                Assert.Equal(exceptions, collection.Exceptions);
                Assert.NotSame(exceptions, collection.Exceptions);
                Assert.Equal(collection.Exceptions, collection.Exceptions);
                Assert.NotSame(collection.Exceptions, collection.Exceptions);
            }
        }

        [Fact]
        public void ExceptionCollection_Serialize_ThrowsSerializationException()
        {
            using (var stream = new MemoryStream())
            {
                var formatter = new BinaryFormatter();
                var collection = new ExceptionCollection(new ArrayList());
#pragma warning disable SYSLIB0011 // Type or member is obsolete
                Assert.Throws<SerializationException>(() => formatter.Serialize(stream, collection));
#pragma warning restore SYSLIB0011 // Type or member is obsolete
            }
        }

        [Fact]
        public void ExceptionCollection_GetObjectData_ThrowsPlatformNotSupportedException()
        {
            var collection = new ExceptionCollection(new ArrayList());
            Assert.Throws<PlatformNotSupportedException>(() => collection.GetObjectData(null, new StreamingContext()));
        }
    }
}
