dart / co19 / 1b541f551180c51afcd59301ae4a0c2e96fa59b3 / . / LibTest / core / int / parse_A04_t03.dart

// Copyright (c) 2016, 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 int parse(String source, {int radix, int onError(String source)}) | |

/// Parse source as a, possibly signed, integer literal and return its value. | |

/// ... | |

/// If no radix is given then it defaults to 10. In this case, the source digits | |

/// may also start with 0x, in which case the number is interpreted as | |

/// a hexadecimal literal, which effectively means that the 0x is ignored and the | |

/// radix is instead set to 16. | |

/// ... | |

/// @description Checks that if no radix is given but there is 0x prefix that | |

/// mean that radix is 16 | |

/// @author sgrekhov@unipro.ru | |

import "../../../Utils/expect.dart"; | |

main() { | |

Expect.equals(int.parse("1", radix: 16), int.parse("0x1")); | |

Expect.equals(int.parse("12", radix: 16), int.parse("0x12")); | |

Expect.equals(int.parse("a", radix: 16), int.parse("0xa")); | |

Expect.equals(int.parse("F", radix: 16), int.parse("0xF")); | |

} |