JSTests/test262/test/built-ins/String/prototype/substring/S15.5.4.15_A1_T13.js

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

/*---
info: String.prototype.substring (start, end)
es5id: 15.5.4.15_A1_T13
description: >
    Arguments are objects, and instance is string.  First object have
    overrided valueOf and toString functions.  Second object have
    overrided toString function, that return exception
---*/

var __obj = {
  valueOf: function() {
    return {};
  },
  toString: function() {
    return 1;
  }
};
var __obj2 = {
  toString: function() {
    throw "inend";
  }
};

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
try {
  var x = "ABB\u0041BABAB\u0031BBAA".substring(__obj, __obj2);
  $ERROR('#1: var x = "ABB\\u0041BABAB\\u0031BBAA".substring(__obj,__obj2) lead to throw exception');
} catch (e) {
  if (e !== "inend") {
    $ERROR('#1.1: Exception === "inend". Actual: ' + e);
  }
}
//
//////////////////////////////////////////////////////////////////////////////