Brian Wilkerson
41e00354a3
Change-Id: Ifefe90cdbc3ddb9e243a056398b5d8611b3bf22e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/192287 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
61 lines
2.8 KiB
Dart
61 lines
2.8 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.
|
|
// Dart version of two-argument Ackermann-Peter function.
|
|
|
|
library deferred_load_constants;
|
|
|
|
import "package:expect/expect.dart";
|
|
import "package:async_helper/async_helper.dart";
|
|
import "load_constants.dart" deferred as foo;
|
|
import "load_constants.dart";
|
|
|
|
main() {
|
|
asyncStart();
|
|
Expect.throws(() => foo.c);
|
|
Expect.throws(() => foo.C);
|
|
Expect.throws(() => foo.funtype);
|
|
Expect.throws(() => foo.toplevel);
|
|
foo.loadLibrary().whenComplete(() {
|
|
// Reading constant declarations through deferred prefix works.
|
|
Expect.identical(c, foo.c);
|
|
Expect.identical(C, foo.C);
|
|
Expect.identical(funtype, foo.funtype);
|
|
Expect.identical(toplevel, foo.toplevel);
|
|
Expect.identical(C.staticfun, foo.C.staticfun);
|
|
// Access through deferred prefix is not a constant expression.
|
|
Expect.throws(() => const [foo.c]);
|
|
// ^
|
|
// [cfe] Constant evaluation error:
|
|
// ^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.COLLECTION_ELEMENT_FROM_DEFERRED_LIBRARY
|
|
// [cfe] 'foo' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
|
|
Expect.throws(() => const [foo.C]);
|
|
// ^
|
|
// [cfe] Constant evaluation error:
|
|
// ^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.COLLECTION_ELEMENT_FROM_DEFERRED_LIBRARY
|
|
// [cfe] 'foo' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
|
|
Expect.throws(() => const [foo.funtype]);
|
|
// ^
|
|
// [cfe] Constant evaluation error:
|
|
// ^^^^^^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.COLLECTION_ELEMENT_FROM_DEFERRED_LIBRARY
|
|
// [cfe] 'foo' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
|
|
Expect.throws(() => const [foo.toplevel]);
|
|
// ^
|
|
// [cfe] Constant evaluation error:
|
|
// ^^^^^^^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.COLLECTION_ELEMENT_FROM_DEFERRED_LIBRARY
|
|
// [cfe] 'foo' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
|
|
Expect.throws(() => const [foo.C.staticfun]);
|
|
// ^
|
|
// [cfe] Constant evaluation error:
|
|
// ^^^^^^^^^^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.COLLECTION_ELEMENT_FROM_DEFERRED_LIBRARY
|
|
// [cfe] 'foo' can't be used in a constant expression because it's marked as 'deferred' which means it isn't available until loaded.
|
|
|
|
asyncEnd();
|
|
});
|
|
}
|