dart-sdk/tests/language/range_analysis2_test.dart

16 lines
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Dart

// Copyright (c) 2013, 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.
// Regression test for dart2js that used to remove bounds checks on
// boxed variables.
import "package:expect/expect.dart";
main() {
var a = 0;
var b = [1];
foo() => b[a--] + b[a];
Expect.throws(foo, (e) => e is RangeError);
}