using System.Collections.Generic;
using Util.Tests.Samples;
using Xunit;

namespace Util.Tests.Extensions; 

/// <summary>
/// 公共扩展测试
/// </summary>
public class CommonExtensionsTest {
    /// <summary>
    /// 测试安全获取值
    /// </summary>
    [Fact]
    public void TestSafeValue() {
        int? value = null;
        Assert.Equal( 0, value.SafeValue() );
        value = 1;
        Assert.Equal( 1, value.SafeValue() );
    }

    /// <summary>
    /// 测试获取枚举值
    /// </summary>
    [Fact]
    public void TestValue() {
        Assert.Equal( 2, EnumSample.B.Value() );
        Assert.Equal( "2", EnumSample.B.Value<string>() );
    }

    /// <summary>
    /// 测试获取枚举描述
    /// </summary>
    [Fact]
    public void TestDescription() {
        Assert.Equal( "B2", EnumSample.B.Description() );
    }

    /// <summary>
    /// 转换为用分隔符连接的字符串
    /// </summary>
    [Fact]
    public void TestJoin() {
        Assert.Equal( "1,2,3", new List<int> { 1, 2, 3 }.Join() );
        Assert.Equal( "'1','2','3'", new List<int> { 1, 2, 3 }.Join( "'" ) );
    }
}