dart-sdk/tests/language/prefix/identifier_reference_test.dart
Robert Nystrom 578fa6bee9 Migrate language_2/prefix to NNBD.
Change-Id: I5149b18d796c6991404c22322e5fb4b4c8372613
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150287
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Srujan Gaddam <srujzs@google.com>
2020-06-06 01:44:40 +00:00

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1 KiB
Dart

// Copyright (c) 2015, 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.
// Validate the following spec text from section 16.32 (Identifier Reference):
// Evaluation of an identifier expression e of the form id proceeds as
// follows:
// Let d be the innermost declaration in the enclosing lexical scope whose
// name is id or id=. If no such declaration exists in the lexical scope,
// d be the declaration of the inherited member named id if it exists.
// - If d is a prefix p, a compile-time error occurs unless the token
// immediately following d is '.'.
import "package:expect/expect.dart";
import "empty_library.dart" as p;
void f(x) {}
main() {
f(p); // //# 01: compile-time error
var x = p; // //# 02: compile-time error
var x = p[0]; //# 03: compile-time error
p[0] = null; // //# 04: compile-time error
p += 0; // //# 05: compile-time error
}