third_party/WebKit/LayoutTests/fast/js/mozilla/strict/script-tests/function-name-arity.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 fn() {
   9   return function f(a, b, c) { };
  10 }
  11
  12 assertEq(testLenientAndStrict('var f = fn(); f.name = "g"; f.name',
  13                               returns("f"), raisesException(TypeError)),
  14          true);
  15 assertEq(testLenientAndStrict('var f = fn(); delete f.name',
  16                               returns(false), raisesException(TypeError)),
  17          true);
  18
  19 // arity is not a spec defined property of Function.
  20 assertEq(testLenientAndStrict('var f = fn(); f.arity = 4; f.arity',
  21                               returns(4), returns(4)),
  22          true);
  23 // arity is not a spec defined property of Function.
  24 assertEq(testLenientAndStrict('var f = fn(); delete f.arity',
  25                               returns(true), returns(true)),
  26          true);
  27
  28 reportCompare(true, true);
  29
  30 var successfullyParsed = true;