| // 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 String toStringAsPrecision(int precision) |
| /// Converts this to a double and returns a string representation with exactly |
| /// precision significant digits. |
| /// The parameter precision must be an integer satisfying: 1 <= precision <= 21. |
| /// @description Tries to pass an argument that is out of allowed range, expects |
| /// an exception. |
| /// @author msyabro |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| check(0, -1); |
| check(1, 22); |
| check(2, 0); |
| check(3, -0x800000000000000); |
| check(4, 0x8000000000000000); |
| } |
| |
| void check(int x, int digits) { |
| Expect.throws(() {x.toStringAsPrecision(digits);}); |
| } |
