// 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.
 
#nullable disable
 
using System.Linq;
using Microsoft.CodeAnalysis.CSharp.Symbols;
using Microsoft.CodeAnalysis.CSharp.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.CSharp.UnitTests
{
    public class IncludeTests : CSharpTestBase
    {
        [Theory]
        [InlineData("Field", "F:Acme.Widget.Field")]
        [InlineData(WellKnownMemberNames.StaticConstructorName, "M:Acme.Widget.#cctor")]
        [InlineData("Event", "E:Acme.Widget.Event")]
        [InlineData("Property", "P:Acme.Widget.Property")]
        [InlineData("Method", "M:Acme.Widget.Method")]
        [InlineData("NamedType", "T:Acme.Widget.NamedType")]
        public void TestDocumentationCaching(string symbolName, string documentationId)
        {
            using var _ = new EnsureEnglishUICulture();
 
            var compilation = CreateCompilationWithMscorlib40AndDocumentationComments(@"namespace Acme
{
    class Widget
    {
        /// <include file=""NonExistent.xml"" />
        int Field;
 
        /// <include file=""NonExistent.xml"" />
        static Widget() { }
 
        /// <include file=""NonExistent.xml"" />
        event EventHandler Event;
 
        /// <include file=""NonExistent.xml"" />
        int Property { get; }
 
        /// <include file=""NonExistent.xml"" />
        void Method() { }
 
        /// <include file=""NonExistent.xml"" />
        class NamedType { }
    }
}
");
 
            var acmeNamespace = (NamespaceSymbol)compilation.GlobalNamespace.GetMembers("Acme").Single();
            var widgetClass = acmeNamespace.GetTypeMembers("Widget").Single();
 
            var symbol = widgetClass.GetMembers(symbolName).Single();
            Assert.Equal(documentationId, symbol.GetDocumentationCommentId());
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <!-- Include tag is invalid --><include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: true));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: false));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <!-- Include tag is invalid --><include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: true));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: false));
        }
 
        [Theory]
        [InlineData("Field", "F:Acme.Widget.Field")]
        [InlineData(WellKnownMemberNames.StaticConstructorName, "M:Acme.Widget.#cctor")]
        [InlineData("Event", "E:Acme.Widget.Event")]
        [InlineData("Property", "P:Acme.Widget.Property")]
        [InlineData("Method", "M:Acme.Widget.Method")]
        [InlineData("NamedType", "T:Acme.Widget.NamedType")]
        public void TestDocumentationCachingFileScopedNamespace(string symbolName, string documentationId)
        {
            using var _ = new EnsureEnglishUICulture();
 
            var compilation = CreateCompilationWithMscorlib40AndDocumentationComments(@"namespace Acme;
 
class Widget
{
    /// <include file=""NonExistent.xml"" />
    int Field;
 
    /// <include file=""NonExistent.xml"" />
    static Widget() { }
 
    /// <include file=""NonExistent.xml"" />
    event EventHandler Event;
 
    /// <include file=""NonExistent.xml"" />
    int Property { get; }
 
    /// <include file=""NonExistent.xml"" />
    void Method() { }
 
    /// <include file=""NonExistent.xml"" />
    class NamedType { }
}
");
 
            var acmeNamespace = (NamespaceSymbol)compilation.GlobalNamespace.GetMembers("Acme").Single();
            var widgetClass = acmeNamespace.GetTypeMembers("Widget").Single();
 
            var symbol = widgetClass.GetMembers(symbolName).Single();
            Assert.Equal(documentationId, symbol.GetDocumentationCommentId());
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <!-- Include tag is invalid --><include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: true));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: false));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <!-- Include tag is invalid --><include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: true));
            Assert.Equal(
$@"<member name=""{documentationId}"">
    <include file=""NonExistent.xml"" />
</member>
", symbol.GetDocumentationCommentXml(expandIncludes: false));
        }
    }
}