Add frontend testcases for part with part(s) in it

Currently there's at least two issues:
* We can crash
* We can add metadata to things they weren't meant for

Change-Id: I4e277ea614ce9faa25b2bf1c5a16a5e877df225b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/106640
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>

pkg/front_end/testcases/having_part_with_part_and_annotation.dart

@@ -0,0 +1,8 @@
+@Foo
+part 'having_part_with_part_and_annotation_lib1.dart';
+
+const int Foo = 42;
+
+void fromMain() {}
+
+main() {}

pkg/front_end/testcases/having_part_with_part_and_annotation.dart.legacy.expect

@@ -0,0 +1,21 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_part_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_part_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+@self::Foo
+@self::Bar
+part having_part_with_part_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */;
+static method fromMain() → void {}
+static method main() → dynamic {}
+static method /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */ fromLib1() → void {}

pkg/front_end/testcases/having_part_with_part_and_annotation.dart.legacy.transformed.expect

@@ -0,0 +1,21 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_part_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_part_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+@self::Foo
+@self::Bar
+part having_part_with_part_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */;
+static method fromMain() → void {}
+static method main() → dynamic {}
+static method /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */ fromLib1() → void {}

pkg/front_end/testcases/having_part_with_part_and_annotation.dart.outline.expect

@@ -0,0 +1,22 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_part_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_part_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+part having_part_with_part_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */;
+static method fromMain() → void
+  ;
+static method main() → dynamic
+  ;
+static method /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */ fromLib1() → void
+  ;

pkg/front_end/testcases/having_part_with_part_and_annotation.dart.strong.expect

@@ -0,0 +1,21 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_part_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_part_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+@self::Foo
+@self::Bar
+part having_part_with_part_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */;
+static method fromMain() → void {}
+static method main() → dynamic {}
+static method /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */ fromLib1() → void {}

pkg/front_end/testcases/having_part_with_part_and_annotation.dart.strong.transformed.expect

@@ -0,0 +1,21 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_part_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_part_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+@self::Foo
+@self::Bar
+part having_part_with_part_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */;
+static method fromMain() → void {}
+static method main() → dynamic {}
+static method /* from org-dartlang-testcase:///having_part_with_part_and_annotation_lib1.dart */ fromLib1() → void {}

pkg/front_end/testcases/having_part_with_part_and_annotation_lib1.dart

@@ -0,0 +1,8 @@
+part of 'having_part_with_part_and_annotation.dart';
+
+@Bar
+part 'having_part_with_part_and_annotation_lib2.dart';
+
+const int Bar = 43;
+
+void fromLib1() {}

pkg/front_end/testcases/having_part_with_part_and_annotation_lib2.dart

@@ -0,0 +1,3 @@
+part of 'having_part_with_part_and_annotation_lib1.dart';
+
+void fromLib2() {}

pkg/front_end/testcases/having_part_with_parts_and_annotation.dart

@@ -0,0 +1,8 @@
+@Foo
+part 'having_part_with_parts_and_annotation_lib1.dart';
+
+const int Foo = 42;
+
+void fromMain() {}
+
+main() {}

pkg/front_end/testcases/having_part_with_parts_and_annotation.dart.outline.expect

@@ -0,0 +1,29 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/having_part_with_parts_and_annotation_lib1.dart:4:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_parts_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_parts_and_annotation.dart: Context: This is the containing library.
+//
+// pkg/front_end/testcases/having_part_with_parts_and_annotation_lib1.dart:6:6: Error: A file that's a part of a library can't have parts itself.
+// Try moving the 'part' declaration to the containing library.
+// part 'having_part_with_parts_and_annotation_lib2.dart';
+//      ^
+// pkg/front_end/testcases/having_part_with_parts_and_annotation.dart: Context: This is the containing library.
+//
+import self as self;
+import "dart:core" as core;
+
+part having_part_with_parts_and_annotation_lib1.dart;
+static const field core::int Foo = 42;
+static const field core::int Bar = 43 /* from org-dartlang-testcase:///having_part_with_parts_and_annotation_lib1.dart */;
+static const field core::int Baz = 44 /* from org-dartlang-testcase:///having_part_with_parts_and_annotation_lib1.dart */;
+static method fromMain() → void
+  ;
+static method main() → dynamic
+  ;
+static method /* from org-dartlang-testcase:///having_part_with_parts_and_annotation_lib1.dart */ fromLib1() → void
+  ;

pkg/front_end/testcases/having_part_with_parts_and_annotation_lib1.dart

@@ -0,0 +1,11 @@
+part of 'having_part_with_parts_and_annotation.dart';
+
+@Bar
+part 'having_part_with_parts_and_annotation_lib2.dart';
+@Baz
+part 'having_part_with_parts_and_annotation_lib2.dart';
+
+const int Bar = 43;
+const int Baz = 44;
+
+void fromLib1() {}

pkg/front_end/testcases/having_part_with_parts_and_annotation_lib2.dart

@@ -0,0 +1,3 @@
+part of 'having_part_with_parts_and_annotation_lib1.dart';
+
+void fromLib2() {}

pkg/front_end/testcases/legacy.status

@@ -16,6 +16,7 @@ duplicated_field_initializer: RuntimeError
 external_import: RuntimeError # Expected -- test uses import which doesn't exist.
 fallthrough: Fail # Missing FallThroughError.
 function_type_recovery: Fail
+having_part_with_parts_and_annotation: Crash
 incomplete_field_formal_parameter: Fail # Fasta doesn't recover well
 inference/bug31436: RuntimeError # Test exercises Dart 2.0 semantics
 inference/constructors_too_many_positional_arguments: Fail

pkg/front_end/testcases/strong.status

@@ -24,6 +24,7 @@ dynamic_and_void: InstrumentationMismatch # Test assumes Dart 1.0 semantics
 expressions: RuntimeError
 external_import: RuntimeError # The native extension to import doesn't exist. This is ok.
 fallthrough: ExpectationFileMismatch
+having_part_with_parts_and_annotation: Crash
 incomplete_field_formal_parameter: RuntimeError
 inference/abstract_class_instantiation: InstrumentationMismatch # Issue #30040
 inference/conflicting_fields: TypeCheckError

pkg/front_end/testcases/text_serialization.status

@@ -104,6 +104,8 @@ function_type_recovery: TextSerializationFailure # Was: Pass
 functions: TextSerializationFailure # Was: Pass
 future_or_test: TextSerializationFailure # Was: Pass
 hello: TextSerializationFailure # Was: Pass
+having_part_with_part_and_annotation: TextSerializationFailure
+having_part_with_parts_and_annotation: Crash
 illegal_named_function_expression: TextSerializationFailure # Was: Pass
 illegal_named_function_expression_scope: TextSerializationFailure # Was: Pass
 implicit_const_with_static_fields: TextSerializationFailure # Was: Pass