[cfe] Add license headers to the patterns testcaes

Part of https://github.com/dart-lang/sdk/issues/49749

Change-Id: I61cd83124083f2e017101be3ea020e04583023e3
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/267600
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Chloe Stefantsova <cstefantsova@google.com>

pkg/front_end/testcases/patterns/boolean_literal_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case true:

pkg/front_end/testcases/patterns/boolean_literal_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case true as Object:

pkg/front_end/testcases/patterns/boolean_literal_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case true) {}
 }

pkg/front_end/testcases/patterns/boolean_literal_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case true!:

pkg/front_end/testcases/patterns/boolean_literal_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case true?:

pkg/front_end/testcases/patterns/caseHead_withClassicPattern_guarded_insideIfStatement.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 void f(x) {
   if (x case 0 when true) {}
 }

pkg/front_end/testcases/patterns/caseHead_withClassicPattern_guarded_insideSwitchStatement.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 void f(x) {
   switch (x) {
     case 0 when true:

pkg/front_end/testcases/patterns/caseHead_withNewPattern_guarded_insideIfStatement.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 void f(x) {
   if (x case 0 as int when true) {}
 }

pkg/front_end/testcases/patterns/caseHead_withNewPattern_guarded_insideSwitchStatement.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 void f(x) {
   switch (x) {
     case 0 as int when true:

pkg/front_end/testcases/patterns/cast_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/cast_inside_extractor_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/cast_inside_extractor_pattern_implicitly_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/cast_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case var y as int) {}
 }

pkg/front_end/testcases/patterns/cast_inside_list_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1 as int]:

pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ as double? & Object? _:

pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ & double? _ as Object?:

pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ as double? | Object? _:

pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ | double? _ as Object?:

pkg/front_end/testcases/patterns/cast_inside_map_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1 as int}:

pkg/front_end/testcases/patterns/cast_inside_parenthesized_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (1 as int):

pkg/front_end/testcases/patterns/cast_inside_record_pattern_implicitly_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (: var n as int, 2):

pkg/front_end/testcases/patterns/cast_inside_record_pattern_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (n: 1 as int, 2):

pkg/front_end/testcases/patterns/cast_inside_record_pattern_unnamed.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (1 as int, 2):

pkg/front_end/testcases/patterns/constant_identifier_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/constant_identifier_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/constant_identifier_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   if (x case y) {}

pkg/front_end/testcases/patterns/constant_identifier_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/constant_identifier_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/double_literal_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1.0:

pkg/front_end/testcases/patterns/double_literal_inside_case.dart.strong.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:3:10: Error: Case expression '1.0' does not have a primitive operator '=='.
+// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:7:10: Error: Case expression '1.0' does not have a primitive operator '=='.
 //     case 1.0:
 //          ^
 //

pkg/front_end/testcases/patterns/double_literal_inside_case.dart.strong.transformed.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:3:10: Error: Case expression '1.0' does not have a primitive operator '=='.
+// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:7:10: Error: Case expression '1.0' does not have a primitive operator '=='.
 //     case 1.0:
 //          ^
 //

pkg/front_end/testcases/patterns/double_literal_inside_case.dart.weak.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:3:10: Error: Case expression '1.0' does not have a primitive operator '=='.
+// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:7:10: Error: Case expression '1.0' does not have a primitive operator '=='.
 //     case 1.0:
 //          ^
 //

pkg/front_end/testcases/patterns/double_literal_inside_case.dart.weak.modular.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:3:10: Error: Case expression '1.0' does not have a primitive operator '=='.
+// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:7:10: Error: Case expression '1.0' does not have a primitive operator '=='.
 //     case 1.0:
 //          ^
 //

pkg/front_end/testcases/patterns/double_literal_inside_case.dart.weak.transformed.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:3:10: Error: Case expression '1.0' does not have a primitive operator '=='.
+// pkg/front_end/testcases/patterns/double_literal_inside_case.dart:7:10: Error: Case expression '1.0' does not have a primitive operator '=='.
 //     case 1.0:
 //          ^
 //

pkg/front_end/testcases/patterns/double_literal_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1.0 as Object:

pkg/front_end/testcases/patterns/double_literal_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case 1.0) {}
 }

pkg/front_end/testcases/patterns/double_literal_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1.0!:

pkg/front_end/testcases/patterns/double_literal_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1.0?:

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 f() {
   try {
     true ?  : 2;

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart.strong.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: Expected an identifier, but got ':'.
+// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: Expected an identifier, but got ':'.
 // Try inserting an identifier before ':'.
 //     true ?  : 2;
 //             ^
@@ -12,7 +12,7 @@ import "dart:core" as core;
 
 static method f() → dynamic {
   try {
-    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: This couldn't be parsed.
+    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: This couldn't be parsed.
     true ?  : 2;
             ^" : 2;
   }

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart.strong.transformed.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: Expected an identifier, but got ':'.
+// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: Expected an identifier, but got ':'.
 // Try inserting an identifier before ':'.
 //     true ?  : 2;
 //             ^
@@ -12,7 +12,7 @@ import "dart:core" as core;
 
 static method f() → dynamic {
   try {
-    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: This couldn't be parsed.
+    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: This couldn't be parsed.
     true ?  : 2;
             ^" : 2;
   }

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart.weak.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: Expected an identifier, but got ':'.
+// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: Expected an identifier, but got ':'.
 // Try inserting an identifier before ':'.
 //     true ?  : 2;
 //             ^
@@ -12,7 +12,7 @@ import "dart:core" as core;
 
 static method f() → dynamic {
   try {
-    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: This couldn't be parsed.
+    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: This couldn't be parsed.
     true ?  : 2;
             ^" : 2;
   }

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart.weak.modular.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: Expected an identifier, but got ':'.
+// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: Expected an identifier, but got ':'.
 // Try inserting an identifier before ':'.
 //     true ?  : 2;
 //             ^
@@ -12,7 +12,7 @@ import "dart:core" as core;
 
 static method f() → dynamic {
   try {
-    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: This couldn't be parsed.
+    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: This couldn't be parsed.
     true ?  : 2;
             ^" : 2;
   }

pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart.weak.transformed.expect

@@ -2,7 +2,7 @@ library /*isNonNullableByDefault*/;
 //
 // Problems in library:
 //
-// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: Expected an identifier, but got ':'.
+// pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: Expected an identifier, but got ':'.
 // Try inserting an identifier before ':'.
 //     true ?  : 2;
 //             ^
@@ -12,7 +12,7 @@ import "dart:core" as core;
 
 static method f() → dynamic {
   try {
-    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:3:13: Error: This couldn't be parsed.
+    true ?{invalid-type} invalid-expression "pkg/front_end/testcases/patterns/error_recovery_after_question_suffix_in_expression.dart:7:13: Error: This couldn't be parsed.
     true ?  : 2;
             ^" : 2;
   }

pkg/front_end/testcases/patterns/extractor_pattern_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/extractor_pattern_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/extractor_pattern_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/extractor_pattern_with_type_args.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C<T> {}
 
 test(dynamic x) {

pkg/front_end/testcases/patterns/extractor_pattern_with_type_args_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C<T> {
   T? f;
 }

pkg/front_end/testcases/patterns/final_variable_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case final y:

pkg/front_end/testcases/patterns/final_variable_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case final y as Object:

pkg/front_end/testcases/patterns/final_variable_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case final y) {}
 }

pkg/front_end/testcases/patterns/final_variable_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case final y!:

pkg/front_end/testcases/patterns/final_variable_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case final y?:

pkg/front_end/testcases/patterns/integer_literal_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1:

pkg/front_end/testcases/patterns/integer_literal_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1 as Object:

pkg/front_end/testcases/patterns/integer_literal_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case 1) {}
 }

pkg/front_end/testcases/patterns/integer_literal_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1!:

pkg/front_end/testcases/patterns/integer_literal_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1?:

pkg/front_end/testcases/patterns/list_pattern_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1, 2]:

pkg/front_end/testcases/patterns/list_pattern_inside_case_empty.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case []:

pkg/front_end/testcases/patterns/list_pattern_inside_case_empty_whitespace.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case []:

pkg/front_end/testcases/patterns/list_pattern_inside_case_with_type_arguments.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case <int>[1, 2]:

pkg/front_end/testcases/patterns/list_pattern_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1] as Object:

pkg/front_end/testcases/patterns/list_pattern_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1]!:

pkg/front_end/testcases/patterns/list_pattern_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1]?:

pkg/front_end/testcases/patterns/logical_and_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case int? _ & double? _) {}
 }

pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ & double? _ & Object? _:

pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ & double? _ | Object? _:

pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ | double? _ & Object? _:

pkg/front_end/testcases/patterns/logical_or_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case int? _ | double? _) {}
 }

pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case int? _ | double? _ | Object? _:

pkg/front_end/testcases/patterns/map_pattern_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1, 'b': 2}:

pkg/front_end/testcases/patterns/map_pattern_inside_case_empty.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {}:

pkg/front_end/testcases/patterns/map_pattern_inside_case_with_type_arguments.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case <String, int>{'a': 1, 'b': 2}:

pkg/front_end/testcases/patterns/map_pattern_inside_cast.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1} as Object:

pkg/front_end/testcases/patterns/map_pattern_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case {'a': 1, 'b': 2}) {}
 }

pkg/front_end/testcases/patterns/map_pattern_inside_null_assert.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1}!:

pkg/front_end/testcases/patterns/map_pattern_inside_null_check.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1}?:

pkg/front_end/testcases/patterns/null_assert_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/null_assert_inside_extractor_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/null_assert_inside_extractor_pattern_implicitly_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/null_assert_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case var y!) {}
 }

pkg/front_end/testcases/patterns/null_assert_inside_list_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1!]:

pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1! & 2:

pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1 & 2!:

pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1! | 2:

pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1 | 2!:

pkg/front_end/testcases/patterns/null_assert_inside_map_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case {'a': 1!}:

pkg/front_end/testcases/patterns/null_assert_inside_parenthesized_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (1!):

pkg/front_end/testcases/patterns/null_assert_inside_record_pattern_implicitly_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (: var n!, 2):

pkg/front_end/testcases/patterns/null_assert_inside_record_pattern_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (n: 1!, 2):

pkg/front_end/testcases/patterns/null_assert_inside_record_pattern_unnamed.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case (1!, 2):

pkg/front_end/testcases/patterns/null_check_inside_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   const y = 1;
   switch (x) {

pkg/front_end/testcases/patterns/null_check_inside_extractor_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/null_check_inside_extractor_pattern_implicitly_named.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 class C {
   int? f;
 }

pkg/front_end/testcases/patterns/null_check_inside_if_case.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   if (x case var y?) {}
 }

pkg/front_end/testcases/patterns/null_check_inside_list_pattern.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case [1?]:

pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1? & 2:

pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart

@@ -1,3 +1,7 @@
+// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
 test(dynamic x) {
   switch (x) {
     case 1 & 2?: