blob: 96db1d6a86477c93464f50d3c71ca44b632ccd2a [file] [log] [blame]
// Copyright (c) 2014, 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";
/// Returns its argument.
/// Prevents static optimizations and inlining.
confuse(x) {
// cannot be predicted statically.
if (new == 42) return confuse(2);
return x;
main() {
// Make sure that const maps use the == operator and not identical. The
// specification does not explicitly require it, but otherwise ints and
// Strings wouldn't make much sense as keys.
var m = const { 1: 42, "foo": 499 };
Expect.equals(42, m[confuse(1.0)]);
Expect.equals(499, m[confuse(new String.fromCharCodes("foo".runes))]);