tests/DotNetCommon.Test/Extensions/TypeExtensions/CheckingIfTypeIsASequenceTests.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

namespace DotNetCommon.Test.Extensions.TypeExtensions
{
    using System;
    using System.Collections;
    using System.Collections.Concurrent;
    using System.Collections.Generic;
    using System.Collections.ObjectModel;
    using System.Collections.Specialized;
    using NUnit.Framework;
    using Shouldly;
    using DotNetCommon.Extensions;

    [TestFixture]
    public sealed class CheckingIfTypeIsASequenceTests
    {
        [Test]
        public void When_checking_type_of_null()
        {
            SequenceType sequenceType;
            var e = Should.Throw<ArgumentNullException>(() =>
            {
                Type nullType = null;
                // ReSharper disable once ExpressionIsAlwaysNull
                nullType.IsSequence(out sequenceType);
            });

            e.Message.ShouldBe("Value cannot be null. (Parameter 'type')");
            e.ParamName.ShouldBe("type");
        }

        [Test]
        public void When_checking_type_of_string()
        {
            SequenceType sequenceType;
            typeof(string).IsSequence(out sequenceType)
                .ShouldBeTrue();

            sequenceType.ShouldBe(SequenceType.String);
        }

        [Test]
        public void When_checking_a_non_sequence_type()
        {
            SequenceType sequenceType;
            typeof (NonSequenceTypeOne).IsSequence(out sequenceType)
                .ShouldBeFalse();

            sequenceType.ShouldBe(SequenceType.Invalid);
        }

        [Test]
        public void When_checking_a_non_sequence_type_which_implements_an_interface()
        {
            SequenceType sequenceType;
            typeof(NonSequenceTypeTwo).IsSequence(out sequenceType)
                .ShouldBeFalse();

            sequenceType.ShouldBe(SequenceType.Invalid);
        }