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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.
#nullable disable
using System;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Completion.Providers;
using Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Completion.CompletionProviders;
using Microsoft.CodeAnalysis.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.Completion.CompletionSetSources;
[Trait(Traits.Feature, Traits.Features.Completion)]
public sealed class TupleNameCompletionProviderTests : AbstractCSharpCompletionProviderTests
{
internal override Type GetCompletionProviderType() => typeof(TupleNameCompletionProvider);
[Fact]
public Task AfterOpenParen()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = ($$
}
}
""", "word", displayTextSuffix: ":");
[Fact]
public Task AfterOpenParenWithBraceCompletion()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = ($$)
}
}
""", "word", displayTextSuffix: ":");
[Fact]
public Task AfterOpenParenInTupleExpression()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = ($$, zword: 2
}
}
""", "word", displayTextSuffix: ":");
[Fact]
public Task AfterOpenParenInTupleExpressionWithBraceCompletion()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = ($$, zword: 2
}
}
""", "word", displayTextSuffix: ":");
[Fact]
public Task AfterComma()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = (1, $$
}
}
""", "zword", displayTextSuffix: ":");
[Fact]
public Task AfterCommaWithBraceCompletion()
=> VerifyItemExistsAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = (1, $$)
}
}
""", "zword", displayTextSuffix: ":");
[Fact]
public Task InTupleAsArgument()
=> VerifyItemExistsAsync("""
class Program
{
static void Main((int word, int zword) args)
{
Main(($$))
}
}
""", "word", displayTextSuffix: ":");
[Fact]
public async Task MultiplePossibleTuples()
{
var markup = """
class Program
{
static void Main((int number, int znumber) args) { }
static void Main((string word, int zword) args) {
Main(($$
}
}
""";
await VerifyItemExistsAsync(markup, "word", displayTextSuffix: ":");
await VerifyItemExistsAsync(markup, "number", displayTextSuffix: ":");
}
[Fact]
public async Task MultiplePossibleTuplesAfterComma()
{
var markup = """
class Program
{
static void Main((int number, int znumber) args) { }
static void Main((string word, int zword) args) {
Main((1, $$
}
}
""";
await VerifyItemExistsAsync(markup, "zword", displayTextSuffix: ":");
await VerifyItemExistsAsync(markup, "znumber", displayTextSuffix: ":");
}
[Fact]
public Task AtIndexGreaterThanNumberOfTupleElements()
=> VerifyNoItemsExistAsync("""
class Program
{
static void Main(string[] args)
{
(int word, int zword) t = (1, 2, 3, 4, $$
}
}
""");
[Fact]
public Task ConvertCastToTupleExpression()
=> VerifyItemExistsAsync("""
class C
{
void goo()
{
(int goat, int moat) x = (g$$)1;
}
}
""", "goat", displayTextSuffix: ":");
}
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