' 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.
 
Imports Microsoft.CodeAnalysis.Structure
Imports Microsoft.CodeAnalysis.VisualBasic.Structure
Imports Microsoft.CodeAnalysis.VisualBasic.Syntax
 
Namespace Microsoft.CodeAnalysis.Editor.VisualBasic.UnitTests.Outlining
    <Trait(Traits.Feature, Traits.Features.Outlining)>
    Public Class EventDeclarationStructureProviderTests
        Inherits AbstractVisualBasicSyntaxNodeStructureProviderTests(Of EventStatementSyntax)
 
        Friend Overrides Function CreateProvider() As AbstractSyntaxStructureProvider
            Return New EventDeclarationStructureProvider()
        End Function
 
        <Fact>
        Public Async Function TestEvent() As Task
            Const code = "
Class C1
    Event $$AnEvent(ByVal EventNumber As Integer)
End Class
"
 
            Await VerifyNoBlockSpansAsync(code)
        End Function
 
        <Fact>
        Public Async Function TestEventWithComments() As Task
            Const code = "
Class C1
    {|span:'My
    'Event|}
    Event $$AnEvent(ByVal EventNumber As Integer)
End Class
"
 
            Await VerifyBlockSpansAsync(code,
                Region("span", "' My ...", autoCollapse:=True))
        End Function
 
        <Fact>
        Public Async Function TestCustomEvent() As Task
            Const code = "
Class C1
    {|span:Custom Event $$eventName As EventHandler
        AddHandler(ByVal value As EventHandler)
        End AddHandler
        RemoveHandler(ByVal value As EventHandler)
        End RemoveHandler
        RaiseEvent(ByVal sender As Object, ByVal e As EventArgs)
        End RaiseEvent
    End Event|}
End Class
"
 
            Await VerifyBlockSpansAsync(code,
                Region("span", "Custom Event eventName As EventHandler ...", autoCollapse:=True))
        End Function
 
        <Fact>
        Public Async Function TestPrivateCustomEvent() As Task
            Const code = "
Class C1
    {|span:Private Custom Event $$eventName As EventHandler
        AddHandler(ByVal value As EventHandler)
        End AddHandler
        RemoveHandler(ByVal value As EventHandler)
        End RemoveHandler
        RaiseEvent(ByVal sender As Object, ByVal e As EventArgs)
        End RaiseEvent
    End Event|}
End Class
"
 
            Await VerifyBlockSpansAsync(code,
                Region("span", "Private Custom Event eventName As EventHandler ...", autoCollapse:=True))
        End Function
 
        <Fact>
        Public Async Function TestCustomEventWithComments() As Task
            Const code = "
Class C1
    {|span1:'My
    'Event|}
    {|span2:Custom Event $$eventName As EventHandler
        AddHandler(ByVal value As EventHandler)
        End AddHandler
        RemoveHandler(ByVal value As EventHandler)
        End RemoveHandler
        RaiseEvent(ByVal sender As Object, ByVal e As EventArgs)
        End RaiseEvent
    End Event|}
End Class
"
 
            Await VerifyBlockSpansAsync(code,
                Region("span1", "' My ...", autoCollapse:=True),
                Region("span2", "Custom Event eventName As EventHandler ...", autoCollapse:=True))
        End Function
    End Class
End Namespace