| // Copyright (c) 2014, 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. |
| |
| library math_test; |
| import "package:expect/expect.dart"; |
| import 'dart:math'; |
| import 'package:math/math.dart'; |
| |
| void testInvert() { |
| Expect.equals(1, invert(1, 7)); |
| Expect.equals(4, invert(2, 7)); |
| Expect.equals(5, invert(3, 7)); |
| Expect.equals(2, invert(4, 7)); |
| Expect.equals(3, invert(5, 7)); |
| Expect.equals(6, invert(6, 7)); |
| |
| Expect.throws(() => invert(0, null), (e) => e is ArgumentError); |
| Expect.throws(() => invert(null, 0), (e) => e is ArgumentError); |
| Expect.throws(() => invert(0, 7), (e) => e is IntegerDivisionByZeroException); |
| Expect.throws(() => invert(3, 6), (e) => e is IntegerDivisionByZeroException); |
| Expect.throws(() => invert(6, 3), (e) => e is IntegerDivisionByZeroException); |
| Expect.throws(() => invert(6, 0), (e) => e is IntegerDivisionByZeroException); |
| |
| // Medium int (mint) arguments. |
| Expect.equals(7291109880702, invert(1000, 9079837958533)); |
| Expect.equals(6417656708605, invert(1000000, 9079837958533)); |
| } |
| |
| main() { |
| testInvert(); |
| } |