LibTest/core/double/isNegative_A01_t02.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.

// @dart = 2.9

/// @assertion bool isNegative
/// @description Checks bunch of values.
/// @author pagolubev

import "../../../Utils/expect.dart";

main() {
  double start = 0.1;
  double step = 117.73;
  double end = start + 20 * step;
  for (double d = start; d < end; d += step) {
    Expect.isFalse(d.isNegative);
    Expect.isTrue((-d).isNegative);
  }
}