C#: Add ref struct boxing example (false positive).

michaelnebel · michaelnebel · commit 9a2edc3d5cd2 · 2025-01-03T15:36:02.000+01:00
diff --git a/csharp/ql/test/library-tests/conversion/boxing/Boxing.cs b/csharp/ql/test/library-tests/conversion/boxing/Boxing.cs
@@ -45,3 +45,6 @@ void M()
         x1 = x15; // not a boxing conversion
     }
 }
+
+// Ref structs can't be converted to a dynamic, object or valuetype.
+ref struct S { }
diff --git a/csharp/ql/test/library-tests/conversion/boxing/Boxing.expected b/csharp/ql/test/library-tests/conversion/boxing/Boxing.expected
@@ -117,6 +117,9 @@
 | Nullable<Int32> | Object |
 | Nullable<Int32> | ValueType |
 | Nullable<Int32> | dynamic |
+| S | Object |
+| S | ValueType |
+| S | dynamic |
 | T1 | Object |
 | T1 | dynamic |
 | T3 | Object |

Original file line number	Diff line number	Diff line change
`@@ -45,3 +45,6 @@ void M()`
`45`	`45`	`x1 = x15; // not a boxing conversion`
`46`	`46`	`}`
`47`	`47`	`}`
	`48`	`+`
	`49`	`+// Ref structs can't be converted to a dynamic, object or valuetype.`
	`50`	`+ref struct S { }`