LibTest/core/double/parse_A02_t01.dart

// 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.

// @dart = 2.9

/// @assertion double parse(String source)
/// Throws a FormatException if source is not a valid double literal. 
/// @description Checks that exception is thrown if [source] can not be converted
/// to double.
/// @author msyabro

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

void checkFE(String str) {
  try {
    double.parse(str);
    Expect.fail("FormatException is expected");
  } on FormatException catch(e) {}
}

main() {
  checkFE("");
  checkFE("string");
  checkFE("1.a");
  checkFE("1 2");
  checkFE("1e");
  checkFE("2/2");
  checkFE("-");
  checkFE("+-1");
  checkFE("0X10");
  checkFE("0xa");
  
  checkFE("1.1.1");
  checkFE("1. e0");
  checkFE("2E2.0");
  checkFE("InfiNIty");
  checkFE("nan");
}