Robert Nystrom
65032b4e4e
Change-Id: I5bae11c115c7ee2c9a581ce71f2d29203b92f923 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149783 Auto-Submit: Bob Nystrom <rnystrom@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
35 lines
1.1 KiB
Dart
35 lines
1.1 KiB
Dart
// Copyright (c) 2013, 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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class A {
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noSuchMethod(_) => 'foo';
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get hashCode => 42;
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}
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// Keep that list empty to make the inferrer infer an empty element
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// type.
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var a = [];
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var b = [new A(), new Object() as dynamic];
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main() {
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// The following [hashCode] call will create a selector whose
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// receiver type is empty. This used to make dart2js generate a
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// [noSuchMethod] handler for [hashCode] on the Object class, which
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// would override the actual implementation.
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Expect.throwsRangeError(() => a[0].hashCode);
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// This code calls the [hashCode] method put on the [Object] class,
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// which used to be a [noSuchMethod] handler method.
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Expect.isTrue(b[1].hashCode is int);
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// Sanity checks.
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Expect.equals(42, b[0].hashCode);
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Expect.equals('foo', b[0].foo());
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// Prevent optimizations on the [b] variable.
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b.clear();
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}
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