C#: Update tests to exclude autogenerated parameterizables in attributes as these appears to give OS dependent results.

Author: michaelnebel

csharp/ql/test/library-tests/parameters/Parameters.expected

@@ -11,10 +11,6 @@ noDefaultValue
 | Parameters.dll:0:0:0:0 | M2 | Parameters.dll:0:0:0:0 | a | 0 |
 | Parameters.dll:0:0:0:0 | M6 | Parameters.dll:0:0:0:0 | s1 | 0 |
 | Parameters.dll:0:0:0:0 | M7 | Parameters.dll:0:0:0:0 | e1 | 0 |
-| Parameters.dll:0:0:0:0 | NullableAttribute | Parameters.dll:0:0:0:0 | value | 0 |
-| Parameters.dll:0:0:0:0 | NullableAttribute | Parameters.dll:0:0:0:0 | value | 0 |
-| Parameters.dll:0:0:0:0 | NullableContextAttribute | Parameters.dll:0:0:0:0 | value | 0 |
-| Parameters.dll:0:0:0:0 | RefSafetyRulesAttribute | Parameters.dll:0:0:0:0 | value | 0 |
 withDefaultValue
 | Parameters.cs:8:17:8:18 | M2 | Parameters.cs:8:34:8:34 | b | 1 | Parameters.cs:8:38:8:41 | null | null |
 | Parameters.cs:8:17:8:18 | M2 | Parameters.cs:8:51:8:51 | c | 2 | Parameters.cs:8:55:8:70 | "default string" | default string |

csharp/ql/test/library-tests/parameters/Parameters.ql

@@ -4,18 +4,25 @@ private predicate fromTestLocation(Element e) {
   e.fromSource() or e.getFile().getStem() = "Parameters"
 }
 
+private predicate compilerGeneratedAttribute(Parameterizable container) {
+  container.getDeclaringType().getAnAttribute().getType().toStringWithTypes() =
+    "CompilerGeneratedAttribute"
+}
+
 query predicate noDefaultValue(Parameterizable container, Parameter p, int i) {
   fromTestLocation(container) and
   not p.hasDefaultValue() and
-  container.getParameter(i) = p
+  container.getParameter(i) = p and
+  not compilerGeneratedAttribute(container)
 }
 
 query predicate withDefaultValue(Parameterizable container, Parameter p, int i, Expr e, string value) {
   fromTestLocation(container) and
   p.hasDefaultValue() and
   container.getParameter(i) = p and
   p.getDefaultValue() = e and
-  if exists(e.getValue()) then value = e.getValue() else value = "-"
+  (if exists(e.getValue()) then value = e.getValue() else value = "-") and
+  not compilerGeneratedAttribute(container)
 }
 
 query predicate dateTimeDefaults(
@@ -26,5 +33,6 @@ query predicate dateTimeDefaults(
   container.getAParameter() = p and
   p.getDefaultValue() = o and
   o.getTarget().toStringWithTypes() = constructor and
-  o.getAnArgument().getValue() = value
+  o.getAnArgument().getValue() = value and
+  not compilerGeneratedAttribute(container)
 }