blob: 546b038261a794c46469e137eaf2c4b350992c92 [file] [log] [blame]
// 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();
});
}