The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/extensions/destructuring-for-inof-__proto__.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,85 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + */
     1.8 +
     1.9 +var gTestfile = 'destructuring-for-inof-__proto__.js';
    1.10 +var BUGNUMBER = 963641;
    1.11 +var summary =
    1.12 +  "__proto__ should work in destructuring patterns as the targets of " +
    1.13 +  "for-in/for-of loops";
    1.14 +
    1.15 +print(BUGNUMBER + ": " + summary);
    1.16 +
    1.17 +/**************
    1.18 + * BEGIN TEST *
    1.19 + **************/
    1.20 +
    1.21 +function objectWithProtoProperty(v)
    1.22 +{
    1.23 +  var obj = {};
    1.24 +  return Object.defineProperty(obj, "__proto__",
    1.25 +                               {
    1.26 +                                 enumerable: true,
    1.27 +                                 configurable: true,
    1.28 +                                 writable: true,
    1.29 +                                 value: v
    1.30 +                               });
    1.31 +}
    1.32 +
    1.33 +function* objectWithProtoGenerator(v)
    1.34 +{
    1.35 +  yield objectWithProtoProperty(v);
    1.36 +}
    1.37 +
    1.38 +function* identityGenerator(v)
    1.39 +{
    1.40 +  yield v;
    1.41 +}
    1.42 +
    1.43 +for (var { __proto__: target } of objectWithProtoGenerator(null))
    1.44 +  assertEq(target, null);
    1.45 +
    1.46 +for ({ __proto__: target } of objectWithProtoGenerator("aacchhorrt"))
    1.47 +  assertEq(target, "aacchhorrt");
    1.48 +
    1.49 +for ({ __proto__: target } of identityGenerator(42))
    1.50 +  assertEq(target, Number.prototype);
    1.51 +
    1.52 +for (var { __proto__: target } in { prop: "kneedle" })
    1.53 +  assertEq(target, String.prototype);
    1.54 +
    1.55 +for ({ __proto__: target } in { prop: "snork" })
    1.56 +  assertEq(target, String.prototype);
    1.57 +
    1.58 +for ({ __proto__: target } in { prop: "ohia" })
    1.59 +  assertEq(target, String.prototype);
    1.60 +
    1.61 +function nested()
    1.62 +{
    1.63 +  for (var { __proto__: target } of objectWithProtoGenerator(null))
    1.64 +    assertEq(target, null);
    1.65 +
    1.66 +  for ({ __proto__: target } of objectWithProtoGenerator("aacchhorrt"))
    1.67 +    assertEq(target, "aacchhorrt");
    1.68 +
    1.69 +  for ({ __proto__: target } of identityGenerator(42))
    1.70 +    assertEq(target, Number.prototype);
    1.71 +
    1.72 +  for (var { __proto__: target } in { prop: "kneedle" })
    1.73 +    assertEq(target, String.prototype);
    1.74 +
    1.75 +  for ({ __proto__: target } in { prop: "snork" })
    1.76 +    assertEq(target, String.prototype);
    1.77 +
    1.78 +  for ({ __proto__: target } in { prop: "ohia" })
    1.79 +    assertEq(target, String.prototype);
    1.80 +}
    1.81 +nested();
    1.82 +
    1.83 +/******************************************************************************/
    1.84 +
    1.85 +if (typeof reportCompare === "function")
    1.86 +  reportCompare(true, true);
    1.87 +
    1.88 +print("Tests complete");