// 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 Roslyn.Test.Utilities;
 
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.StringCopyPaste;
 
public class PasteUnknownSourceIntoVerbatimStringTests
    : StringCopyPasteCommandHandlerUnknownSourceTests
{
    [WpfFact]
    public void TestNewLineIntoVerbatimString1()
    {
        TestPasteUnknownSource(
            pasteText: "\n",
            """
            var x = @"[||]"
            """,
            "var x = @\"\n[||]\"",
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact]
    public void TestNewLineIntoVerbatimString2()
    {
        TestPasteUnknownSource(
            pasteText: """
 
 
            """,
            """
            var x = @"[||]"
            """,
            """
            var x = @"
            [||]"
            """,
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact]
    public void TestTabIntoVerbatimString1()
    {
        TestPasteUnknownSource(
            pasteText: "\t",
            """
            var x = @"[||]"
            """,
            "var x = @\"\t[||]\"",
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact]
    public void TestSingleQuoteIntoVerbatimString()
    {
        TestPasteUnknownSource(
            pasteText: """'""",
            """
            var x = @"[||]"
            """,
            """
            var x = @"'[||]"
            """,
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact]
    public void TestDoubleQuoteIntoVerbatimString()
    {
        TestPasteUnknownSource(
            pasteText: """
            "
            """,
            """
            var x = @"[||]"
            """,
            """"
            var x = @"""[||]"
            """",
            afterUndo: """
            var x = @""[||]"
            """);
    }
 
    [WpfFact]
    public void TestComplexStringIntoVerbatimString()
    {
        TestPasteUnknownSource(
            pasteText: "\t\"\"\t",
            """
            var x = @"[||]"
            """,
            "var x = @\"\t\"\"\t[||]\"",
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact]
    public void TestNormalTextIntoVerbatimString()
    {
        TestPasteUnknownSource(
            pasteText: """abc""",
            """
            var x = @"[||]"
            """,
            """
            var x = @"abc[||]"
            """,
            afterUndo: """
            var x = @"[||]"
            """);
    }
 
    [WpfFact, WorkItem("https://github.com/dotnet/roslyn/issues/62969")]
    public void TestNormalTextWithSomeQuotesToEscapeAndSomeToNotEscapeIntoVerbatimString()
    {
        // Because we're escaping the quotes in "CA2013", we should also escape teh `""`, even though `""` is legal
        // to have in a verbatim string.
        TestPasteUnknownSource(
            pasteText: """
            var lambda = [SuppressMessage("", "CA2013")] () => Object.ReferenceEquals(1, 2);
            """,
            """
            string x = @"using System.Diagnostics.CodeAnalysis;
 
            [||]";
            """,
            """"""
            string x = @"using System.Diagnostics.CodeAnalysis;
 
            var lambda = [SuppressMessage("""", ""CA2013"")] () => Object.ReferenceEquals(1, 2);[||]";
            """""",
            afterUndo:
            """
            string x = @"using System.Diagnostics.CodeAnalysis;
 
            var lambda = [SuppressMessage("", "CA2013")] () => Object.ReferenceEquals(1, 2);[||]";
            """);
    }
}