// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    When the Function constructor is called with one argument then body be that argument and the following steps are taken:
    i) Call ToString(body)
    ii) If P is not parsable as a FormalParameterListopt then throw a SyntaxError exception
    iii) If body is not parsable as FunctionBody then throw a SyntaxError exception
    iv) Create a new Function object as specified in 13.2 with parameters specified by parsing P as a FormalParameterListopt and body specified by parsing body as a FunctionBody.
    Pass in a scope chain consisting of the global object as the Scope parameter
    v) Return Result(iv)
es5id: 15.3.2.1_A1_T1
description: "The body of the function is \"{toString:function(){throw 7;}}\""
---*/

var body = {
  toString: function() {
    throw 7;
  }
}

//CHECK#1
try {
  var f = new Function(body);
  $ERROR('#1: When the Function constructor is called with one argument then body be that argument the following step are taken: call ToString(body)');
} catch (e) {
  if (e !== 7) {
    $ERROR('#1.1: When the Function constructor is called with one argument then body be that argument the following step are taken: call ToString(body)');
  }
}
