LibTest/core/int/floorToDouble_A01_t01.dart

/*
 * Copyright (c) 2011, 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.
 */
/**
 * @assertion   abstract double roundToDouble()
 * Returns this.toDouble().
 * @description Checks that this method same value as this.toDouble();
 * @author vasya
 */
import "../../../Utils/expect.dart";
import "dart:math" as Math;

void check(int x) {
  Expect.equals(x.toDouble(), x.roundToDouble());
}

main() {
  final double MIN_DOUBLE = Math.pow(2.0, -1074);
  final double NEG_MIN_DOUBLE = -1 * MIN_DOUBLE; 
  final double MAX_DOUBLE = (2 - Math.pow(2.0, -52)) * Math.pow(2.0, 1023);
  final double NEG_MAX_DOUBLE = -1 * MAX_DOUBLE; 

  check(0);
  check(2147483647);
  check(-2147483648);
  check(4294967295);
  check(-4294967296);
  check(9223372036854775807);
  check(-9223372036854775808);
  check(-1844674407370955161);
  check(1 << 1024);
  check(1 << 1124);
  check(-(1 << 1024));
  check(-(1 << 1124));
}