dart-sdk/tests/language_2/interceptor/interceptor_test.dart
Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +00:00

36 lines
1.2 KiB
Dart

// Copyright (c) 2012, 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.
import "package:expect/expect.dart";
// Test that interceptors (that is, methods in classes implemented as
// JavaScript primitives) in dart2js work.
class A {
codeUnitAt(a) => a;
}
main() {
var res = <dynamic>[[], 1, 'foo', new A()];
Expect.throws(() => res[0].codeUnitAt(1));
Expect.throws(() => (res[0].codeUnitAt)(1));
Expect.throws(() => res[1].codeUnitAt(1));
Expect.throws(() => (res[1].codeUnitAt)(1));
Expect.equals(111, res[2].codeUnitAt(1));
Expect.equals(111, (res[2].codeUnitAt)(1));
Expect.throws(() => res[2].codeUnitAt(1, 4));
Expect.throws(() => res[2].codeUnitAt());
Expect.throws(() => (res[2].codeUnitAt)(1, 4));
Expect.throws(() => (res[2].codeUnitAt)());
Expect.equals(1, res[3].codeUnitAt(1));
Expect.equals(1, (res[3].codeUnitAt)(1));
Expect.throws(() => res[3].codeUnitAt(1, 4));
Expect.throws(() => res[3].codeUnitAt());
Expect.throws(() => (res[3].codeUnitAt)(1, 4));
Expect.throws(() => (res[3].codeUnitAt)());
}