LibTest/typed_data/Float64List/every_A01_t01.dart

// Copyright (c) 2013, 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 bool every(bool f(E element))
/// Checks whether every element of this iterable satisfies test.
/// Checks every element in iteration order, and returns false if any of them
/// make test return false, otherwise returns true.
/// @description Check that true is returned only if there are no elements that
/// not satisfy the predicate [f].
/// @author msyabro


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

bool pred(double element) => element > 5.0;

main() {
  var l;
  l = new Float64List.fromList([]);
  Expect.isTrue(l.every(pred));

  l = new Float64List.fromList([1.0]);
  Expect.isFalse(l.every(pred));

  l = new Float64List.fromList([1.0, 2.0, 3.0, 4.0, 5.0, 1.0, 2.0, 3.0, 4.0,
      5.0]);
  Expect.isFalse(l.every(pred));

  l = new Float64List.fromList([2.123e13]);
  Expect.isTrue(l.every(pred));

  l = new Float64List.fromList([6.0, 7.0, 8.0, 9.0, 10.0]);
  Expect.isTrue(l.every(pred));

  l = new Float64List.fromList([6.0, 7.0, 8.0, 9.0, 10.65e-20]);
  Expect.isFalse(l.every(pred));
}