// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.DotNet.Watch.UnitTests;
 
namespace Microsoft.DotNet.HotReload.UnitTests;
 
public class EnvironmentUtilitiesTests
{
    [Fact]
    public void MultipleValues()
    {
        var builder = new Dictionary<string, string>();
        builder.InsertListItem("X", "a", separator: ';');
        builder.InsertListItem("X", "b", separator: ';');
        builder.InsertListItem("X", "a", separator: ';');
 
        AssertEx.SequenceEqual([new KeyValuePair<string, string>("X", "b;a")], builder);
    }
 
    [Fact]
    public void EmptyValue()
    {
        var builder = new Dictionary<string, string>();
        builder["X"] = "";
 
        builder.InsertListItem("X", "a", separator: ';');
        builder.InsertListItem("X", "b", separator: ';');
        builder.InsertListItem("X", "a", separator: ';');
 
        AssertEx.SequenceEqual([new KeyValuePair<string, string>("X", "b;a")], builder);
    }
}