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// 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";
// Make sure we use JavaScript semantics when compiling compile-time constants.
// In this case we test that the value-range analysis uses JavaScript semantics
// too.
int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
foo() {
var a = const [1, 2];
var i = 0x100000000;
if (inscrutable(i) == 0) {
i = 0x100000001;
}
i = 0xFFFFFFFFF & i; // In JS semantics [:i:] will be truncated to 32 bits.
i = 0x100000001 - i;
return a[i];
}
main() {
Expect.throws(() => foo(), (e) => e is RangeError);
}