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C#: Add test cases for discards as lambda/delegate parameters

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This commit is contained in:
Tamas Vajk
2020-11-05 12:08:57 +01:00
parent 7791ec3084
commit 81b03bf876
5 changed files with 89 additions and 0 deletions
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12
csharp/ql/test/library-tests/csharp9/Discard.cs Normal file
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using System;
public class Discard
{
public void M1()
{
Func<int, int, int> i = (int a, int b) => 42;
i = (_, _) => 42;
i = (int _, int _) => 42;
i = delegate (int _, int _) { return 0; };
}
}

8
csharp/ql/test/library-tests/csharp9/Discard.expected Normal file
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| Discard.cs:7:33:7:52 | (...) => ... | Discard.cs:7:38:7:38 | a |
| Discard.cs:7:33:7:52 | (...) => ... | Discard.cs:7:45:7:45 | b |
| Discard.cs:8:13:8:24 | (...) => ... | Discard.cs:8:14:8:14 | _ |
| Discard.cs:8:13:8:24 | (...) => ... | Discard.cs:8:17:8:17 | _`1 |
| Discard.cs:9:13:9:32 | (...) => ... | Discard.cs:9:18:9:18 | _ |
| Discard.cs:9:13:9:32 | (...) => ... | Discard.cs:9:25:9:25 | _`1 |
| Discard.cs:10:13:10:49 | delegate(...) { ... } | Discard.cs:10:27:10:27 | _ |
| Discard.cs:10:13:10:49 | delegate(...) { ... } | Discard.cs:10:34:10:34 | _`1 |

4
csharp/ql/test/library-tests/csharp9/Discard.ql Normal file
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import csharp
from AnonymousFunctionExpr anon
select anon, anon.getAParameter()

49
csharp/ql/test/library-tests/csharp9/PrintAst.expected
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@@ -1,3 +1,52 @@
Discard.cs:
# 3| [Class] Discard
# 5| 5: [Method] M1
# 5| -1: [TypeMention] Void
# 6| 4: [BlockStmt] {...}
# 7| 0: [LocalVariableDeclStmt] ... ...;
# 7| 0: [LocalVariableDeclAndInitExpr] Func<Int32,Int32,Int32> i = ...
# 7| -1: [TypeMention] Func<Int32, Int32, Int32>
# 7| 1: [TypeMention] int
# 7| 2: [TypeMention] int
# 7| 3: [TypeMention] int
# 7| 0: [LocalVariableAccess] access to local variable i
# 7| 1: [LambdaExpr] (...) => ...
#-----| 2: (Parameters)
# 7| 0: [Parameter] a
# 7| -1: [TypeMention] int
# 7| 1: [Parameter] b
# 7| -1: [TypeMention] int
# 7| 4: [IntLiteral] 42
# 8| 1: [ExprStmt] ...;
# 8| 0: [AssignExpr] ... = ...
# 8| 0: [LocalVariableAccess] access to local variable i
# 8| 1: [LambdaExpr] (...) => ...
#-----| 2: (Parameters)
# 8| 0: [Parameter] _
# 8| 1: [Parameter] _`1
# 8| 4: [IntLiteral] 42
# 9| 2: [ExprStmt] ...;
# 9| 0: [AssignExpr] ... = ...
# 9| 0: [LocalVariableAccess] access to local variable i
# 9| 1: [LambdaExpr] (...) => ...
#-----| 2: (Parameters)
# 9| 0: [Parameter] _
# 9| -1: [TypeMention] int
# 9| 1: [Parameter] _`1
# 9| -1: [TypeMention] int
# 9| 4: [IntLiteral] 42
# 10| 3: [ExprStmt] ...;
# 10| 0: [AssignExpr] ... = ...
# 10| 0: [LocalVariableAccess] access to local variable i
# 10| 1: [AnonymousMethodExpr] delegate(...) { ... }
#-----| 2: (Parameters)
# 10| 0: [Parameter] _
# 10| -1: [TypeMention] int
# 10| 1: [Parameter] _`1
# 10| -1: [TypeMention] int
# 10| 4: [BlockStmt] {...}
# 10| 0: [ReturnStmt] return ...;
# 10| 0: [IntLiteral] 0
NativeInt.cs:
# 3| [Class] Class1
# 5| 5: [Method] M1

16
csharp/ql/test/library-tests/csharp9/nativeInt.expected
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@@ -1,3 +1,19 @@
| Discard.cs:7:29:7:29 | access to local variable i | Func<Int32,Int32,Int32> |
| Discard.cs:7:29:7:52 | Func<Int32,Int32,Int32> i = ... | Func<Int32,Int32,Int32> |
| Discard.cs:7:33:7:52 | (...) => ... | Func<Int32,Int32,Int32> |
| Discard.cs:7:51:7:52 | 42 | Int32 |
| Discard.cs:8:9:8:9 | access to local variable i | Func<Int32,Int32,Int32> |
| Discard.cs:8:9:8:24 | ... = ... | Func<Int32,Int32,Int32> |
| Discard.cs:8:13:8:24 | (...) => ... | Func<Int32,Int32,Int32> |
| Discard.cs:8:23:8:24 | 42 | Int32 |
| Discard.cs:9:9:9:9 | access to local variable i | Func<Int32,Int32,Int32> |
| Discard.cs:9:9:9:32 | ... = ... | Func<Int32,Int32,Int32> |
| Discard.cs:9:13:9:32 | (...) => ... | Func<Int32,Int32,Int32> |
| Discard.cs:9:31:9:32 | 42 | Int32 |
| Discard.cs:10:9:10:9 | access to local variable i | Func<Int32,Int32,Int32> |
| Discard.cs:10:9:10:49 | ... = ... | Func<Int32,Int32,Int32> |
| Discard.cs:10:13:10:49 | delegate(...) { ... } | Func<Int32,Int32,Int32> |
| Discard.cs:10:46:10:46 | 0 | Int32 |
| NativeInt.cs:7:14:7:14 | access to local variable x | IntPtr |
| NativeInt.cs:7:14:7:18 | IntPtr x = ... | IntPtr |
| NativeInt.cs:7:18:7:18 | (...) ... | IntPtr |