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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.AddConstructorParametersFromMembers;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.Editor.UnitTests.CodeActions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.CSharp.UnitTests.GenerateFromMembers.AddConstructorParameters
{
using VerifyCS = CSharpCodeRefactoringVerifier<AddConstructorParametersFromMembersCodeRefactoringProvider>;
[Trait(Traits.Feature, Traits.Features.CodeActionsAddConstructorParametersFromMembers)]
public class AddConstructorParametersFromMembersTests
{
private const string FieldNamesCamelCaseWithFieldUnderscorePrefixEditorConfig = """
[*.cs]
dotnet_naming_style.field_camel_case.capitalization = camel_case
dotnet_naming_style.field_camel_case.required_prefix = field_
dotnet_naming_symbols.fields.applicable_kinds = field
dotnet_naming_symbols.fields.applicable_accessibilities = *
dotnet_naming_rule.fields_should_be_camel_case.severity = error
dotnet_naming_rule.fields_should_be_camel_case.symbols = fields
dotnet_naming_rule.fields_should_be_camel_case.style = field_camel_case
""";
private const string FieldNamesCamelCaseWithFieldUnderscorePrefixEndUnderscoreSuffixEditorConfig =
FieldNamesCamelCaseWithFieldUnderscorePrefixEditorConfig + """
dotnet_naming_style.field_camel_case.required_suffix = _End
""";
private const string ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig = """
[*.cs]
dotnet_naming_style.p_camel_case.capitalization = camel_case
dotnet_naming_style.p_camel_case.required_prefix = p_
dotnet_naming_symbols.parameters.applicable_kinds = parameter
dotnet_naming_symbols.parameters.applicable_accessibilities = *
dotnet_naming_rule.parameters_should_be_camel_case.severity = error
dotnet_naming_rule.parameters_should_be_camel_case.symbols = parameters
dotnet_naming_rule.parameters_should_be_camel_case.style = p_camel_case
""";
private const string ParameterNamesCamelCaseWithPUnderscorePrefixEndUnderscoreSuffixEditorConfig =
ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig + """
dotnet_naming_style.p_camel_case.required_suffix = _End
""";
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/308077")]
public async Task TestAdd1()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;|]
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/58040")]
public async Task TestProperlyWrapParameters1()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;|]
public Program(
int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(
int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/58040")]
public async Task TestProperlyWrapParameters2()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;
bool b;|]
public Program(
int i,
string s)
{
this.i = i;
this.s = s;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
bool b;
public Program(
int i,
string s,
bool b)
{
this.i = i;
this.s = s;
this.b = b;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int, string)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/58040")]
public async Task TestProperlyWrapParameters3()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;
bool b;|]
public Program(int i,
string s)
{
this.i = i;
this.s = s;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
bool b;
public Program(int i,
string s,
bool b)
{
this.i = i;
this.s = s;
this.b = b;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int, string)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/58040")]
public async Task TestProperlyWrapParameters4()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;
bool b;|]
public Program(int i,
string s)
{
this.i = i;
this.s = s;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
bool b;
public Program(int i,
string s,
bool b)
{
this.i = i;
this.s = s;
this.b = b;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int, string)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/308077")]
public async Task TestAddOptional1()
{
await new VerifyCS.Test()
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;|]
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s = null)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_optional_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/308077")]
public async Task TestAddToConstructorWithMostMatchingParameters1()
{
// behavior change with 33603, now all constructors offered
await new VerifyCS.Test()
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;
bool b;|]
public Program(int i)
{
this.i = i;
}
public Program(int i, string s) : this(i)
{
this.s = s;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
bool b;
public Program(int i)
{
this.i = i;
}
public Program(int i, string s, bool b) : this(i)
{
this.s = s;
this.b = b;
}
}
""",
CodeActionIndex = 1,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "Program(int, string)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
[WorkItem("http://vstfdevdiv:8080/DevDiv2/DevDiv/_workitems/edit/308077")]
public async Task TestAddOptionalToConstructorWithMostMatchingParameters1()
{
// Behavior change with #33603, now all constructors are offered
await new VerifyCS.Test()
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|int i;
string s;
bool b;|]
public Program(int i)
{
this.i = i;
}
public Program(int i, string s) : this(i)
{
this.s = s;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
bool b;
public Program(int i)
{
this.i = i;
}
public Program(int i, string s, bool b = false) : this(i)
{
this.s = s;
this.b = b;
}
}
""",
CodeActionIndex = 3,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "Program(int, string)"), codeAction.Title)
}.RunAsync();
}
[Fact]
public async Task TestSmartTagDisplayText1()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|bool b;
HashSet<string> s;|]
public Program(bool b)
{
this.b = b;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
bool b;
HashSet<string> s;
public Program(bool b, HashSet<string> s)
{
this.b = b;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(bool)"), codeAction.Title)
}.RunAsync();
}
[Fact]
public async Task TestSmartTagDisplayText2()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
[|bool b;
HashSet<string> s;|]
public Program(bool b)
{
this.b = b;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
bool b;
HashSet<string> s;
public Program(bool b, HashSet<string> s = null)
{
this.b = b;
this.s = s;
}
}
""",
CodeActionIndex = 1,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_optional_parameters_to_0, "Program(bool)"), codeAction.Title)
}.RunAsync();
}
[Fact]
public async Task TestTuple()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class Program
{
[|(int, string) i;
(string, int) s;|]
public Program((int, string) i)
{
this.i = i;
}
}
""",
"""
class Program
{
(int, string) i;
(string, int) s;
public Program((int, string) i, (string, int) s)
{
this.i = i;
this.s = s;
}
}
""");
}
[Fact]
public async Task TestTupleWithNames()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int a, string b) i)
{
this.i = i;
}
}
""",
"""
class Program
{
(int a, string b) i;
(string c, int d) s;
public Program((int a, string b) i, (string c, int d) s)
{
this.i = i;
this.s = s;
}
}
""");
}
[Fact]
public async Task TestTupleWithDifferentNames()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int e, string f) i)
{
this.i = i;
}
}
""",
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int e, string f) i, (string c, int d) s)
{
this.i = i;
this.s = s;
}
}
""");
}
[Fact]
public async Task TestTupleOptionalCSharp7()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int, string) i;
(string, int) s;|]
public Program((int, string) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
(int, string) i;
(string, int) s;
public Program((int, string) i, (string, int) s = default((string, int)))
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1,
LanguageVersion = LanguageVersion.CSharp7
}.RunAsync();
}
[Fact]
public async Task TestTupleOptional()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int, string) i;
(string, int) s;|]
public Program((int, string) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
(int, string) i;
(string, int) s;
public Program((int, string) i, (string, int) s = default)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1
}.RunAsync();
}
[Fact]
public async Task TestTupleOptionalWithNames_CSharp7()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int a, string b) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
(int a, string b) i;
(string c, int d) s;
public Program((int a, string b) i, (string c, int d) s = default((string c, int d)))
{
this.i = i;
this.s = s;
}
}
""",
LanguageVersion = LanguageVersion.CSharp7,
CodeActionIndex = 1
}.RunAsync();
}
[Fact]
public async Task TestTupleOptionalWithNamesCSharp7()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int a, string b) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
(int a, string b) i;
(string c, int d) s;
public Program((int a, string b) i, (string c, int d) s = default((string c, int d)))
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1,
LanguageVersion = LanguageVersion.CSharp7
}.RunAsync();
}
[Fact]
public async Task TestTupleOptionalWithNames()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int a, string b) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
(int a, string b) i;
(string c, int d) s;
public Program((int a, string b) i, (string c, int d) s = default)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1
}.RunAsync();
}
[Fact]
public async Task TestTupleOptionalWithDifferentNames()
{
await new VerifyCS.Test
{
TestCode =
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int e, string f) i)
{
this.i = i;
}
}
""",
FixedCode =
"""
class Program
{
[|(int a, string b) i;
(string c, int d) s;|]
public Program((int e, string f) i, (string c, int d) s = default)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionIndex = 1
}.RunAsync();
}
[Fact]
public async Task TestTupleWithNullable()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class Program
{
[|(int?, bool?) i;
(byte?, long?) s;|]
public Program((int?, bool?) i)
{
this.i = i;
}
}
""",
"""
class Program
{
(int?, bool?) i;
(byte?, long?) s;
public Program((int?, bool?) i, (byte?, long?) s)
{
this.i = i;
this.s = s;
}
}
""");
}
[Fact]
public async Task TestTupleWithGenericss()
{
await VerifyCS.VerifyRefactoringAsync(
"""
using System.Collections.Generic;
class Program
{
[|(List<int>, List<bool>) i;
(List<byte>, List<long>) s;|]
public Program((List<int>, List<bool>) i)
{
this.i = i;
}
}
""",
"""
using System.Collections.Generic;
class Program
{
(List<int>, List<bool>) i;
(List<byte>, List<long>) s;
public Program((List<int>, List<bool>) i, (List<byte>, List<long>) s)
{
this.i = i;
this.s = s;
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28775")]
public async Task TestAddParamtersToConstructorBySelectOneMember()
{
await VerifyCS.VerifyRefactoringAsync(
"""
using System.Collections.Generic;
class C
{
int i;
[|(List<byte>, List<long>) s;|]
int j;
public C(int i, int j)
{
this.i = i;
this.j = j;
}
}
""",
"""
using System.Collections.Generic;
class C
{
int i;
(List<byte>, List<long>) s;
int j;
public C(int i, int j, (List<byte>, List<long>) s)
{
this.i = i;
this.j = j;
this.s = s;
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28775")]
public async Task TestParametersAreStillRightIfMembersAreOutOfOrder()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
[|int i;
int k;
int j;|]
public C(int i, int j)
{
this.i = i;
this.j = j;
}
}
""",
"""
class C
{
int i;
int k;
int j;
public C(int i, int j, int k)
{
this.i = i;
this.j = j;
this.k = k;
}
}
""");
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28775")]
public async Task TestMissingIfFieldsAlreadyExistingInConstructor()
{
var source =
"""
class C
{
[|string _barBar;
int fooFoo;|]
public C(string barBar, int fooFoo)
{
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28775")]
public async Task TestMissingIfPropertyAlreadyExistingInConstructor()
{
var source =
"""
class C
{
[|string bar;
int HelloWorld { get; set; }|]
public C(string bar, int helloWorld)
{
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/28775")]
public async Task TestNormalProperty()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
[|int i;
int Hello { get; set; }|]
public C(int i)
{
}
}
""",
"""
class C
{
int i;
int Hello { get; set; }
public C(int i, int hello)
{
Hello = hello;
}
}
"""
);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33602")]
public async Task TestConstructorWithNoParameters()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
[|int i;
int Hello { get; set; }|]
public C()
{
}
}
""",
"""
class C
{
int i;
int Hello { get; set; }
public C(int i, int hello)
{
this.i = i;
Hello = hello;
}
}
"""
);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33602")]
public async Task TestDefaultConstructor()
{
var source =
"""
class C
{
[|int i;|]
int Hello { get; set; }
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33601")]
public async Task TestPartialSelected()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
int i;
int [|j|];
public C(int i)
{
}
}
""",
"""
class C
{
int i;
int j;
public C(int i, int j)
{
this.j = j;
}
}
"""
);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33601")]
public async Task TestPartialMultipleSelected()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
int i;
int [|j;
int k|];
public C(int i)
{
}
}
""",
"""
class C
{
int i;
int j;
int k;
public C(int i, int j, int k)
{
this.j = j;
this.k = k;
}
}
"""
);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33601")]
public async Task TestPartialMultipleSelected2()
{
await VerifyCS.VerifyRefactoringAsync(
"""
class C
{
int i;
int [|j;
int |]k;
public C(int i)
{
}
}
""",
"""
class C
{
int i;
int j;
int k;
public C(int i, int j)
{
this.j = j;
}
}
"""
);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_FirstofThree()
{
await new VerifyCS.Test
{
TestCode =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""",
FixedCode =
"""
class C
{
int l;
public C(int i, int l)
{
this.l = l;
}
public {|CS0111:C|}(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_SecondOfThree()
{
var source =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
var expected =
"""
class C
{
int l;
public C(int i)
{
}
public C(int i, int j, int l)
{
this.l = l;
}
public {|CS0111:C|}(int i, int j, int k)
{
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 1,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_ThirdOfThree()
{
var source =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
var expected =
"""
class C
{
int l;
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k, int l)
{
this.l = l;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 2,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, int, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_FirstOptionalOfThree()
{
var source =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
var expected =
"""
class C
{
int l;
public C(int i, int l = 0)
{
this.l = l;
}
public {|CS0111:C|}(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 3,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_SecondOptionalOfThree()
{
var source =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
var expected =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j, int l = 0)
{
this.l = l;
}
public {|CS0111:C|}(int i, int j, int k)
{
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 4,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_ThirdOptionalOfThree()
{
var source =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k)
{
}
}
""";
var expected =
"""
class C
{
int [|l|];
public C(int i)
{
}
public C(int i, int j)
{
}
public C(int i, int j, int k, int l = 0)
{
this.l = l;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 5,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, int, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_OneMustBeOptional()
{
var source =
"""
class C
{
int [|l|];
// index 0 as required
// index 2 as optional
public C(int i)
{
}
// index 3 as optional
public C(int i, double j = 0)
{
}
// index 1 as required
// index 4 as optional
public C(int i, double j, int k)
{
}
}
""";
var expected =
"""
class C
{
int [|l|];
// index 0 as required
// index 2 as optional
public C(int i)
{
}
// index 3 as optional
public C(int i, double j = 0)
{
}
// index 1 as required
// index 4 as optional
public C(int i, double j, int k, int l)
{
this.l = l;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 1,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, double, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_OneMustBeOptional2()
{
var source =
"""
class C
{
int [|l|];
// index 0, and 2 as optional
public C(int i)
{
}
// index 3 as optional
public C(int i, double j = 0)
{
}
// index 1, and 4 as optional
public C(int i, double j, int k)
{
}
}
""";
var expected =
"""
class C
{
int [|l|];
// index 0, and 2 as optional
public C(int i)
{
}
// index 3 as optional
public C(int i, double j = 0, int l = 0)
{
this.l = l;
}
// index 1, and 4 as optional
public {|CS0111:C|}(int i, double j, int k)
{
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 3,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, double)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_AllMustBeOptional()
{
await new VerifyCS.Test
{
TestCode =
"""
class C
{
int [|p|];
public C(int i = 0)
{
}
public C(double j, int k = 0)
{
}
public C(int l, double m, int n = 0)
{
}
}
""",
FixedCode =
"""
class C
{
int [|p|];
public C(int i = 0, int p = 0)
{
this.p = p;
}
public C(double j, int k = 0)
{
}
public C(int l, double m, int n = 0)
{
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33603")]
public async Task TestMultipleConstructors_AllMustBeOptional2()
{
var source =
"""
class C
{
int [|p|];
public C(int i = 0)
{
}
public C(double j, int k = 0)
{
}
public C(int l, double m, int n = 0)
{
}
}
""";
var expected =
"""
class C
{
int [|p|];
public C(int i = 0)
{
}
public C(double j, int k = 0)
{
}
public C(int l, double m, int n = 0, int p = 0)
{
this.p = p;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
CodeActionIndex = 2,
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(CodeFixesResources.Add_to_0, "C(int, double, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/33623")]
public async Task TestDeserializationConstructor()
{
var source =
"""
using System;
using System.Runtime.Serialization;
class C : {|CS0535:ISerializable|}
{
int [|i|];
private C(SerializationInfo info, StreamingContext context)
{
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestNoFieldNamingStyle_ParameterPrefixAndSuffix()
{
var source =
"""
class C
{
private int [|v|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int v;
public C(int p_v_End)
{
v = p_v_End;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = ParameterNamesCamelCaseWithPUnderscorePrefixEndUnderscoreSuffixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestCommonFieldNamingStyle()
{
var source =
"""
class C
{
private int [|t_v|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int t_v;
public C(int p_v)
{
t_v = p_v;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestSpecifiedFieldNamingStyle()
{
var source =
"""
class C
{
private int [|field_v|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int field_v;
public C(int p_v)
{
field_v = p_v;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = FieldNamesCamelCaseWithFieldUnderscorePrefixEditorConfig + ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestSpecifiedAndCommonFieldNamingStyle()
{
var source =
"""
class C
{
private int [|field_s_v|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int field_s_v;
public C(int p_v)
{
field_s_v = p_v;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = FieldNamesCamelCaseWithFieldUnderscorePrefixEditorConfig + ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestSpecifiedAndCommonFieldNamingStyle2()
{
var source =
"""
class C
{
private int [|s_field_v|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int s_field_v;
public C(int p_v)
{
s_field_v = p_v;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = FieldNamesCamelCaseWithFieldUnderscorePrefixEditorConfig + ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestBaseNameEmpty()
{
var source =
"""
class C
{
private int [|field__End|];
public C()
{
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = source,
EditorConfig = FieldNamesCamelCaseWithFieldUnderscorePrefixEndUnderscoreSuffixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestSomeBaseNamesAreEmpty()
{
var source =
"""
class C
{
private int [|field_test_End;
private int field__End|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int field_test_End;
private int field__End;
public C(int p_test)
{
field_test_End = p_test;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = FieldNamesCamelCaseWithFieldUnderscorePrefixEndUnderscoreSuffixEditorConfig + ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/35775")]
public async Task TestManyCommonPrefixes()
{
var source =
"""
class C
{
private int [|______test|];
public C()
{
}
}
""";
var expected =
"""
class C
{
private int ______test;
public C(int p_test)
{
______test = p_test;
}
}
""";
await new VerifyCS.Test
{
TestCode = source,
FixedCode = expected,
EditorConfig = ParameterNamesCamelCaseWithPUnderscorePrefixEditorConfig
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection1()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
[||] string s;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection2()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
[||]string s;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection3()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string [||]s;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection4()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s[||];
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection5()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;[||]
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelection6()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s; [||]
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar1()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
[||]string s, t;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string s, string t)
{
this.i = i;
this.s = s;
this.t = t;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar2()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;[||]
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string s, string t)
{
this.i = i;
this.s = s;
this.t = t;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar3()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string [||]s, t;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar4()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s[||], t;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string s)
{
this.i = i;
this.s = s;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar5()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, [||]t;
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string t)
{
this.i = i;
this.t = t;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMultiVar6()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t[||];
public Program(int i)
{
this.i = i;
}
}
""",
FixedCode =
"""
using System.Collections.Generic;
class Program
{
int i;
string s, t;
public Program(int i, string t)
{
this.i = i;
this.t = t;
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "Program(int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMissing1()
{
var source =
"""
using System.Collections.Generic;
class Program
{
int i;
[||]
string s, t;
public Program(int i)
{
this.i = i;
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMissing2()
{
var source =
"""
using System.Collections.Generic;
class Program
{
int i;
s[||]tring s, t;
public Program(int i)
{
this.i = i;
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMissing3()
{
var source =
"""
using System.Collections.Generic;
class Program
{
int i;
string[||] s, t;
public Program(int i)
{
this.i = i;
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/23271")]
public async Task TestNonSelectionMissing4()
{
var source =
"""
using System.Collections.Generic;
class Program
{
int i;
string s,[||] t;
public Program(int i)
{
this.i = i;
}
}
""";
await VerifyCS.VerifyRefactoringAsync(source, source);
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59292")]
public async Task TestPartialClass1()
{
await new VerifyCS.Test
{
TestState =
{
Sources =
{
"""
partial class C
{
private int [|_v|];
}
""",
"""
partial class C
{
public C()
{
}
}
"""
}
},
FixedState =
{
Sources =
{
"""
partial class C
{
private int _v;
}
""",
"""
partial class C
{
public C(int v)
{
_v = v;
}
}
"""
}
}
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59292")]
public async Task TestPartialClass2()
{
await new VerifyCS.Test
{
TestState =
{
Sources =
{
"""
partial class C
{
private int [|_v|];
public C()
{
}
}
""",
"""
partial class C
{
public C(object goo)
{
}
}
"""
}
},
FixedState =
{
Sources =
{
"""
partial class C
{
private int _v;
public C()
{
}
}
""",
"""
partial class C
{
public C(object goo, int v)
{
_v = v;
}
}
"""
}
},
CodeActionIndex = 1
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/59292")]
public async Task TestPartialClass3()
{
await new VerifyCS.Test
{
TestState =
{
Sources =
{
"""
partial class C
{
private int [|_v|];
}
""",
"""
partial class C
{
public C()
{
}
}
"""
}
},
FixedState =
{
Sources =
{
"""
partial class C
{
private int _v;
}
""",
"""
partial class C
{
public C(int v = 0)
{
_v = v;
}
}
"""
}
},
CodeActionIndex = 1
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/60816")]
public async Task TestAddMultipleParametersWithWrapping()
{
await new VerifyCS.Test
{
TestCode =
"""
namespace M
{
public class C
{
public int original { get; }
public int original2 { get; }
[|public int a1 { get; }
public int a2 { get; }|]
public C(
int original,
int original2)
{
this.original = original;
this.original2 = original2;
}
}
}
""",
FixedCode =
"""
namespace M
{
public class C
{
public int original { get; }
public int original2 { get; }
public int a1 { get; }
public int a2 { get; }
public C(
int original,
int original2,
int a1,
int a2)
{
this.original = original;
this.original2 = original2;
this.a1 = a1;
this.a2 = a2;
}
}
}
""",
CodeActionVerifier = (codeAction, verifier) => verifier.Equal(string.Format(FeaturesResources.Add_parameters_to_0, "C(int, int)"), codeAction.Title)
}.RunAsync();
}
[Fact, WorkItem("https://github.com/dotnet/roslyn/issues/49112")]
public async Task TestAddParameterToExpressionBodiedConstructor()
{
await new VerifyCS.Test
{
TestCode =
"""
using System.Collections.Generic;
class C
{
int x;
[|int y;|]
public C(int x) => this.x = x;
}
""",
FixedCode =
"""
using System.Collections.Generic;
class C
{
int x;
int y;
public C(int x, int y)
{
this.x = x;
this.y = y;
}
}
""",
}.RunAsync();
}
}
}
|