// 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 num pow(num x, num exponent)
/// For doubles, pow(x, y) handles edge cases as follows:
///  - if [y] is zero (0.0 or -0.0), the result is always 1.0.
/// @description Checks the result if [y] is zero.
/// @author pagolubev
/// @reviewer msyabro


import "dart:math" as Math;
import "../../Utils/expect.dart";

main() {
  Expect.equals(1.0, Math.pow(double.nan, .0));
  Expect.equals(1.0, Math.pow(double.nan, -.0));

  Expect.equals(1.0, Math.pow(double.infinity, .0));
  Expect.equals(1.0, Math.pow(double.infinity, -.0));

  Expect.equals(1.0, Math.pow(double.negativeInfinity, .0));
  Expect.equals(1.0, Math.pow(double.negativeInfinity, -.0));

  Expect.equals(1.0, Math.pow(.0, .0));
  Expect.equals(1.0, Math.pow(-.0, .0));
  Expect.equals(1.0, Math.pow(.0, -.0));
  Expect.equals(1.0, Math.pow(-.0, -.0));
  Expect.equals(1.0, Math.pow(0, .0));
  Expect.equals(1.0, Math.pow(0, -.0));

  Expect.equals(1.0, Math.pow(11.11, .0));
  Expect.equals(1.0, Math.pow(11.11, -.0));
  Expect.equals(1.0, Math.pow(-11.11, .0));
  Expect.equals(1.0, Math.pow(-11.11, -.0));

  Expect.equals(1.0, Math.pow(11, .0));
  Expect.equals(1.0, Math.pow(11, -.0));
  Expect.equals(1.0, Math.pow(-11, .0));
  Expect.equals(1.0, Math.pow(-11, -.0));
}