// 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. // Dart test program for testing params. // // Contains test that is failing on dart2js. Merge this test with // 'number_identity_test.dart' once fixed. // VMOptions=--optimization-counter-threshold=10 import "package:expect/expect.dart"; import 'dart:typed_data'; double uint64toDouble(int i) { var buffer = new Uint8List(8).buffer; var bdata = new ByteData.view(buffer); bdata.setUint64(0, i); return bdata.getFloat64(0); } testNumberIdentity() { var a = double.nan; var b = a + 0.0; Expect.isTrue(identical(a, b)); a = uint64toDouble((1 << 64) - 1); b = uint64toDouble((1 << 64) - 2); Expect.isFalse(identical(a, b)); a = 0.0 / 0.0; b = 1.0 / 0.0; Expect.isFalse(identical(a, b)); } main() { for (int i = 0; i < 20; i++) { testNumberIdentity(); } }