third_party/WebKit/LayoutTests/fast/js/mozilla/strict/script-tests/10.6.js

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2
   3 /*
   4  * Any copyright is dedicated to the Public Domain.
   5  * http://creativecommons.org/licenses/publicdomain/
   6  */
   7
   8 function callFunctionBody(expr) {
   9   return (
  10     '(function f() {\n'
  11     + 'Object.defineProperties(arguments, {1: { writable: false },\n'
  12     + '                                    2: { configurable: false },\n'
  13     + '                                    3: { writable: false,\n'
  14     + '                                        configurable: false }});\n'
  15     + 'return (' + expr + ');\n'
  16     + '})(0, 1, 2, 3);');
  17 }
  18
  19 assertEq(testLenientAndStrict(callFunctionBody('arguments[0] = 42'),
  20                               returns(42), returns(42)),
  21          true);
  22
  23 assertEq(testLenientAndStrict(callFunctionBody('delete arguments[0]'),
  24                               returns(true), returns(true)),
  25          true);
  26
  27
  28 assertEq(testLenientAndStrict(callFunctionBody('arguments[1] = 42'),
  29                               returns(42), raisesException(TypeError)),
  30          true);
  31
  32 assertEq(testLenientAndStrict(callFunctionBody('delete arguments[1]'),
  33                               returns(true), returns(true)),
  34          true);
  35
  36
  37 assertEq(testLenientAndStrict(callFunctionBody('arguments[2] = 42'),
  38                               returns(42), returns(42)),
  39          true);
  40
  41 assertEq(testLenientAndStrict(callFunctionBody('delete arguments[2]'),
  42                               returns(false), raisesException(TypeError)),
  43          true);
  44
  45
  46 assertEq(testLenientAndStrict(callFunctionBody('arguments[3] = 42'),
  47                               returns(42), raisesException(TypeError)),
  48          true);
  49
  50 assertEq(testLenientAndStrict(callFunctionBody('delete arguments[3]'),
  51                               returns(false), raisesException(TypeError)),
  52          true);
  53
  54
  55 reportCompare(true, true);
  56
  57 var successfullyParsed = true;