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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.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.CSharp.UnitTests.Snippets;
[Trait(Traits.Feature, Traits.Features.Snippets)]
public sealed class CSharpInterfaceSnippetProviderTests : AbstractCSharpSnippetProviderTests
{
protected override string SnippetIdentifier => "interface";
[Fact]
public Task InsertInterfaceSnippetInBlockNamespaceTest()
=> VerifySnippetAsync("""
namespace Namespace
{
$$
}
""", """
namespace Namespace
{
interface {|0:MyInterface|}
{
$$
}
}
""");
[Fact]
public Task InsertInterfaceSnippetInFileScopedNamespaceTest()
=> VerifySnippetAsync("""
namespace Namespace;
$$
""", """
namespace Namespace;
interface {|0:MyInterface|}
{
$$
}
""");
[Fact]
public Task InsertInterfaceSnippetTest()
=> VerifySnippetAsync("""
$$
""", """
interface {|0:MyInterface|}
{
$$
}
""");
[Fact]
public Task InsertInterfaceTopLevelSnippetTest()
=> VerifySnippetAsync("""
System.Console.WriteLine();
$$
""", """
System.Console.WriteLine();
interface {|0:MyInterface|}
{
$$
}
""");
[Fact]
public Task InsertInterfaceSnippetInClassTest()
=> VerifySnippetAsync("""
class MyClass
{
$$
}
""", """
class MyClass
{
interface {|0:MyInterface|}
{
$$
}
}
""");
[Fact]
public Task InsertInterfaceSnippetInRecordTest()
=> VerifySnippetAsync("""
record MyRecord
{
$$
}
""", """
record MyRecord
{
interface {|0:MyInterface|}
{
$$
}
}
""");
[Fact]
public Task InsertInterfaceSnippetInStructTest()
=> VerifySnippetAsync("""
struct MyStruct
{
$$
}
""", """
struct MyStruct
{
interface {|0:MyInterface|}
{
$$
}
}
""");
[Fact]
public Task InsertInterfaceSnippetInInterfaceTest()
=> VerifySnippetAsync("""
interface MyInterface
{
$$
}
""", """
interface MyInterface
{
interface {|0:MyInterface1|}
{
$$
}
}
""");
[Fact]
public Task InsertInterfaceSnippetWithModifiersTest()
=> VerifySnippetAsync("""
$$
""", """
public interface {|0:MyInterface|}
{
$$
}
""",
editorconfig: """
root = true
[*]
dotnet_style_require_accessibility_modifiers = always
""");
[Fact]
public Task NoInterfaceSnippetInEnumTest()
=> VerifySnippetIsAbsentAsync("""
enum MyEnum
{
$$
}
""");
[Fact]
public Task NoInterfaceSnippetInMethodTest()
=> VerifySnippetIsAbsentAsync("""
class Program
{
public void Method()
{
$$
}
}
""");
[Fact]
public Task NoInterfaceSnippetInConstructorTest()
=> VerifySnippetIsAbsentAsync("""
class Program
{
public Program()
{
$$
}
}
""");
[Theory]
[MemberData(nameof(CommonSnippetTestData.AllAccessibilityModifiers), MemberType = typeof(CommonSnippetTestData))]
public Task InsertInterfaceSnippetAfterAccessibilityModifier(string modifier)
=> VerifySnippetAsync($"""
{modifier} $$
""", $$"""
{{modifier}} interface {|0:MyInterface|}
{
$$
}
""");
[Theory]
[MemberData(nameof(CommonSnippetTestData.AllAccessibilityModifiers), MemberType = typeof(CommonSnippetTestData))]
public Task InsertInterfaceSnippetAfterAccessibilityModifier_RequireAccessibilityModifiers(string modifier)
=> VerifySnippetAsync($"""
{modifier} $$
""", $$"""
{{modifier}} interface {|0:MyInterface|}
{
$$
}
""",
editorconfig: """
root = true
[*]
dotnet_style_require_accessibility_modifiers = always
""");
[Theory]
[InlineData("unsafe")]
public Task InsertInterfaceSnippetAfterValidModifiersTest(string modifier)
=> VerifySnippetAsync($"""
{modifier} $$
""", $$"""
{{modifier}} interface {|0:MyInterface|}
{
$$
}
""");
[Theory]
[InlineData("abstract")]
[InlineData("sealed")]
[InlineData("static")]
[InlineData("ref")]
[InlineData("readonly")]
public Task NoInterfaceSnippetAfterInvalidModifiersTest(string modifier)
=> VerifySnippetIsAbsentAsync($"""
{modifier} $$
""");
[Theory, WorkItem("https://github.com/dotnet/roslyn/issues/69600")]
[MemberData(nameof(CommonSnippetTestData.AllAccessibilityModifiers), MemberType = typeof(CommonSnippetTestData))]
public Task NoAdditionalAccessibilityModifiersIfAfterPartialKeywordTest(string modifier)
=> VerifySnippetAsync($"""
{modifier} partial $$
""", $$"""
{{modifier}} partial interface {|0:MyInterface|}
{
$$
}
""",
editorconfig: """
root = true
[*]
dotnet_style_require_accessibility_modifiers = always
""");
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/69600")]
public Task EnsureCorrectModifierOrderAfterPartialKeywordTest()
=> VerifySnippetAsync("""
partial $$
""", """
public partial interface {|0:MyInterface|}
{
$$
}
""",
editorconfig: """
root = true
[*]
dotnet_style_require_accessibility_modifiers = always
""");
}
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