Robert Nystrom
359023d699
Change-Id: I915bc1adde6ef377a5043aab07ba0519cc03164f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149040 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
61 lines
1.2 KiB
Dart
61 lines
1.2 KiB
Dart
// Copyright (c) 2012, 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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import "package:expect/expect.dart";
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var staticClosure;
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int staticMethod() => 42;
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class B {
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var instanceClosure;
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var nullField;
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int instanceMethod() => 43;
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}
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checkUntyped(closure) {
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Expect.isTrue(closure is Function);
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}
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checkTyped(int closure()) {
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Expect.isTrue(closure is Function);
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}
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checkTypedNull(int closure()?) {
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Expect.isFalse(closure is Function);
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}
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checkUntypedNull(closure) {
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Expect.isFalse(closure is Function);
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}
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main() {
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staticClosure = () => 44;
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B b = new B();
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b.instanceClosure = () => 45;
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closureStatement() => 46;
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var closureExpression = () => 47;
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checkUntyped(staticClosure);
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checkTyped(staticClosure);
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checkUntyped(staticMethod);
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checkTyped(staticMethod);
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checkUntyped(b.instanceClosure);
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checkTyped(b.instanceClosure);
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checkUntyped(b.instanceMethod);
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checkTyped(b.instanceMethod);
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checkUntyped(closureStatement);
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checkTyped(closureStatement);
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checkUntyped(closureExpression);
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checkTyped(closureExpression);
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checkTypedNull(b.nullField);
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checkUntypedNull(b.nullField);
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}
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