| // 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 A numeric literal is either a decimal or hexadecimal integer of |
| /// arbitrary size, or a decimal double. |
| /// |
| /// numericLiteral: |
| /// NUMBER| |
| /// HEX_NUMBER |
| ///; |
| /// NUMBER: |
| /// DIGIT+ ('.' DIGIT+)? EXPONENT? | |
| /// '.' DIGIT+ EXPONENT? |
| /// ; |
| /// EXPONENT: |
| /// ('e' | 'E') ('+' | '-')? DIGIT+ |
| /// ; |
| /// HEX NUMBER: |
| /// '0x' HEX DIGIT+ | |
| /// '0X' HEX DIGIT+ |
| /// ; |
| /// HEX DIGIT: |
| /// 'a'..'f' | |
| /// 'A'..'F' | |
| /// DIGIT |
| /// ; |
| /// @description Checks that all decimal and hexadecimal digits are parsed |
| /// correctly. |
| /// @author iefremov |
| |
| import '../../../Utils/expect.dart'; |
| |
| main() { |
| var v1 = 1234567890.0987654321e1234567890; |
| Expect.equals(1234567890.0987654321e1234567890, v1); |
| Expect.equals(double.infinity, v1); |
| |
| var v2 = 01234567899876543210; |
| Expect.equals(01234567899876543210, v2); |
| Expect.equals("1234567899876543210", v2.toString()); |
| |
| var v3 = 01234567899876543210.01234567899876543210; |
| Expect.equals(1.23456789987654323E18, v3); |
| } |