LibTest/core/double/ceil_A01_t04.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 int ceil()
 * Returns the least integer no smaller than this.
 * @description Checks that if [:ceil():] is called on a value already equal
 * to a mathematical integer, then the result is the same value.
 * @author pagolubev
 */
import "dart:math" as Math;
import "../../../Utils/expect.dart";

check(double argument) {
  Expect.equals(argument, argument.ceil());
  Expect.equals(-argument, (-argument).ceil());
}

main() {
  check(1.0);
  check(2.0);
  check(3.0);
  check(4.0);
  check(5.0);
  check(12.0);
  check(123.0);
  check(1234.0);
  check(12345.0);
  check(123456.0);
  check(1234567.0);
  check(123456789012345.0);
  check(1234567.0E10);
  check(Math.pow(2.0, 52) as double);
  check(Math.pow(2.0, 53) as double);
}