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C# 14: [TEST ONLY] Test for nameof generic type. #21100

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michaelnebel merged 1 commit into from
Jan 6, 2026
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C# 14: [TEST ONLY] Test for nameof generic type. #21100

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15 changes: 15 additions & 0 deletions csharp/ql/test/library-tests/nameof/NameOf.cs
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using System;
using System.Collections.Generic;

class Program
{
public void M(int x)
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Local scope variable 'x' shadows Program.x.
Local scope variable 'x' shadows Program.x.

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{
var test1 = nameof(x);
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This assignment to test1 is useless, since its value is never read.

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var test2 = nameof(M);
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This assignment to test2 is useless, since its value is never read.

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var test2 = nameof(M);
nameof(M);

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var test3 = nameof(Program);
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This assignment to test3 is useless, since its value is never read.

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var test4 = nameof(String);
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This assignment to test4 is useless, since its value is never read.

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var test5 = nameof(List<int>);
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This assignment to test5 is useless, since its value is never read.

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var test6 = nameof(List<>);
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This assignment to test6 is useless, since its value is never read.

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}
}
50 changes: 50 additions & 0 deletions csharp/ql/test/library-tests/nameof/PrintAst.expected
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NameOf.cs:
# 4| [Class] Program
# 6| 6: [Method] M
# 6| -1: [TypeMention] Void
#-----| 2: (Parameters)
# 6| 0: [Parameter] x
# 6| -1: [TypeMention] int
# 7| 4: [BlockStmt] {...}
# 8| 0: [LocalVariableDeclStmt] ... ...;
# 8| 0: [LocalVariableDeclAndInitExpr] String test1 = ...
# 8| -1: [TypeMention] string
# 8| 0: [LocalVariableAccess] access to local variable test1
# 8| 1: [NameOfExpr] nameof(...)
# 8| 0: [ParameterAccess] access to parameter x
# 9| 1: [LocalVariableDeclStmt] ... ...;
# 9| 0: [LocalVariableDeclAndInitExpr] String test2 = ...
# 9| -1: [TypeMention] string
# 9| 0: [LocalVariableAccess] access to local variable test2
# 9| 1: [NameOfExpr] nameof(...)
# 9| 0: [MethodAccess] access to method M
# 10| 2: [LocalVariableDeclStmt] ... ...;
# 10| 0: [LocalVariableDeclAndInitExpr] String test3 = ...
# 10| -1: [TypeMention] string
# 10| 0: [LocalVariableAccess] access to local variable test3
# 10| 1: [NameOfExpr] nameof(...)
# 10| 0: [TypeAccess] access to type Program
# 10| 0: [TypeMention] Program
# 11| 3: [LocalVariableDeclStmt] ... ...;
# 11| 0: [LocalVariableDeclAndInitExpr] String test4 = ...
# 11| -1: [TypeMention] string
# 11| 0: [LocalVariableAccess] access to local variable test4
# 11| 1: [NameOfExpr] nameof(...)
# 11| 0: [TypeAccess] access to type String
# 11| 0: [TypeMention] string
# 12| 4: [LocalVariableDeclStmt] ... ...;
# 12| 0: [LocalVariableDeclAndInitExpr] String test5 = ...
# 12| -1: [TypeMention] string
# 12| 0: [LocalVariableAccess] access to local variable test5
# 12| 1: [NameOfExpr] nameof(...)
# 12| 0: [TypeAccess] access to type List<Int32>
# 12| 0: [TypeMention] List<int>
# 12| 1: [TypeMention] int
# 13| 5: [LocalVariableDeclStmt] ... ...;
# 13| 0: [LocalVariableDeclAndInitExpr] String test6 = ...
# 13| -1: [TypeMention] string
# 13| 0: [LocalVariableAccess] access to local variable test6
# 13| 1: [NameOfExpr] nameof(...)
# 13| 0: [TypeAccess] access to type List`1
# 13| 0: [TypeMention] List<T>
# 13| 1: [TypeMention] T
1 change: 1 addition & 0 deletions csharp/ql/test/library-tests/nameof/PrintAst.qlref
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shared/PrintAst.ql
6 changes: 6 additions & 0 deletions csharp/ql/test/library-tests/nameof/nameof.expected
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| NameOf.cs:8:21:8:29 | nameof(...) | NameOf.cs:8:28:8:28 | access to parameter x |
| NameOf.cs:9:21:9:29 | nameof(...) | NameOf.cs:9:28:9:28 | access to method M |
| NameOf.cs:10:21:10:35 | nameof(...) | NameOf.cs:10:28:10:34 | access to type Program |
| NameOf.cs:11:21:11:34 | nameof(...) | NameOf.cs:11:28:11:33 | access to type String |
| NameOf.cs:12:21:12:37 | nameof(...) | NameOf.cs:12:28:12:36 | access to type List<Int32> |
| NameOf.cs:13:21:13:34 | nameof(...) | NameOf.cs:13:28:13:33 | access to type List`1 |
4 changes: 4 additions & 0 deletions csharp/ql/test/library-tests/nameof/nameof.ql
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import csharp

from NameOfExpr e
select e, e.getAccess()
2 changes: 2 additions & 0 deletions csharp/ql/test/library-tests/nameof/options
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semmle-extractor-options: /nostdlib /noconfig
semmle-extractor-options: --load-sources-from-project:${testdir}/../../resources/stubs/_frameworks/Microsoft.NETCore.App/Microsoft.NETCore.App.csproj