// Copyright (c) 2012 Ecma International.  All rights reserved.
// Ecma International makes this code available under the terms and conditions set
// forth on http://hg.ecmascript.org/tests/test262/raw-file/tip/LICENSE (the
// "Use Terms").   Any redistribution of this code must retain the above
// copyright and this notice and otherwise comply with the Use Terms.

/*---
es5id: 15.12.1.1-g4-4
description: >
    The JSON lexical grammar does not allow a JSONStringCharacter to
    be any of the Unicode characters U+0018 thru U+001F
includes: [runTestCase.js]
---*/

function testcase() {
  try {
    JSON.parse('"\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f"'); // invalid string characters should produce a syntax error
    }
  catch (e) {
      if (e.name === 'SyntaxError') return true;
      }
  }
runTestCase(testcase);