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// 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 System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Structure;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Structure;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Structure;
[Trait(Traits.Feature, Traits.Features.Outlining)]
public sealed class CompilationUnitStructureTests : AbstractCSharpSyntaxNodeStructureTests<CompilationUnitSyntax>
{
internal override AbstractSyntaxStructureProvider CreateProvider() => new CompilationUnitStructureProvider();
[Fact]
public Task TestUsings()
=> VerifyBlockSpansAsync("""
$${|hint:using {|textspan:System;
using System.Core;|}|}
""",
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestUsingAliases()
=> VerifyBlockSpansAsync("""
$${|hint:using {|textspan:System;
using System.Core;
using text = System.Text;
using linq = System.Linq;|}|}
""",
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestExternAliases()
=> VerifyBlockSpansAsync("""
$${|hint:extern {|textspan:alias Goo;
extern alias Bar;|}|}
""",
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestExternAliasesAndUsings()
=> VerifyBlockSpansAsync("""
$${|hint:extern {|textspan:alias Goo;
extern alias Bar;
using System;
using System.Core;|}|}
""",
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestExternAliasesAndUsingsWithLeadingTrailingAndNestedComments()
=> VerifyBlockSpansAsync("""
$${|span1:// Goo
// Bar|}
{|hint2:extern {|textspan2:alias Goo;
extern alias Bar;
// Goo
// Bar
using System;
using System.Core;|}|}
{|span3:// Goo
// Bar|}
""",
Region("span1", "// Goo ...", autoCollapse: true),
Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: true),
Region("span3", "// Goo ...", autoCollapse: true));
[Fact]
public Task TestUsingsWithComments()
=> VerifyBlockSpansAsync("""
$${|span1:// Goo
// Bar|}
{|hint2:using {|textspan2:System;
using System.Core;|}|}
""",
Region("span1", "// Goo ...", autoCollapse: true),
Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestExternAliasesWithComments()
=> VerifyBlockSpansAsync("""
$${|span1:// Goo
// Bar|}
{|hint2:extern {|textspan2:alias Goo;
extern alias Bar;|}|}
""",
Region("span1", "// Goo ...", autoCollapse: true),
Region("textspan2", "hint2", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Fact]
public Task TestWithComments()
=> VerifyBlockSpansAsync("""
$${|span1:// Goo
// Bar|}
""",
Region("span1", "// Goo ...", autoCollapse: true));
[Fact]
public Task TestWithCommentsAtEnd()
=> VerifyBlockSpansAsync("""
$${|hint1:using {|textspan1:System;|}|}
{|span2:// Goo
// Bar|}
""",
Region("textspan1", "hint1", CSharpStructureHelpers.Ellipsis, autoCollapse: true),
Region("span2", "// Goo ...", autoCollapse: true));
[Fact, WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/539359")]
public Task TestUsingKeywordWithSpace()
=> VerifyBlockSpansAsync("""
$${|hint:using|} {|textspan:|}
""",
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true));
[Theory, CombinatorialData]
public async Task TestUsingsShouldBeCollapsedByDefault(bool collapseUsingsByDefault)
{
var options = GetDefaultOptions() with
{
CollapseImportsWhenFirstOpened = collapseUsingsByDefault
};
await VerifyBlockSpansAsync("""
$${|hint:using {|textspan:System;
using System.Core;|}|}
""", options,
Region("textspan", "hint", CSharpStructureHelpers.Ellipsis, autoCollapse: true, isDefaultCollapsed: collapseUsingsByDefault));
}
}
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