Ben Konyi
30dde80447
Bug: Change-Id: I4b6845b0539fc5b8bb7118d6e920685afb0b3edc Reviewed-on: https://dart-review.googlesource.com/5342 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Reviewed-by: Jennifer Messerly <jmesserly@google.com>
36 lines
1.4 KiB
Dart
36 lines
1.4 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart version of two-argument Ackermann-Peter function.
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library deferred_load_constants;
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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import "deferred_load_constants.dart" deferred as foo;
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import "deferred_load_constants.dart";
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main() {
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asyncStart();
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Expect.throws(() => foo.c);
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Expect.throws(() => foo.C);
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Expect.throws(() => foo.funtype);
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Expect.throws(() => foo.toplevel);
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foo.loadLibrary().whenComplete(() {
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// Reading constant declarations through deferred prefix works.
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Expect.identical(c, foo.c);
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Expect.identical(C, foo.C);
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Expect.identical(funtype, foo.funtype);
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Expect.identical(toplevel, foo.toplevel);
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Expect.identical(C.staticfun, foo.C.staticfun);
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// Access through deferred prefix is not a constant expression.
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Expect.throws(() => const [foo.c]); // //# 01: compile-time error
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Expect.throws(() => const [foo.C]); // //# 02: compile-time error
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Expect.throws(() => const [foo.funtype]); // //# 03: compile-time error
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Expect.throws(() => const [foo.toplevel]); // //# 04: compile-time error
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Expect.throws(() => const [foo.C.staticfun]); // //# 05: compile-time error
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asyncEnd();
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});
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}
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