The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_8_5/extensions/is-generator.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,23 @@
     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 +/*
    1.10 + * Bug 648355: Function.prototype.isGenerator
    1.11 + */
    1.12 +
    1.13 +reportCompare(true, "isGenerator" in Function.prototype, "Function.prototype.isGenerator present");
    1.14 +
    1.15 +reportCompare(false, (function(){}).isGenerator(), "lambda is not a generator fn");
    1.16 +reportCompare(false, Function.prototype.toString.isGenerator(), "native is not a generator fn");
    1.17 +reportCompare(false, (function(){with(obj){}}).isGenerator(), "heavyweight is not a generator fn");
    1.18 +reportCompare(false, (function(){obj}).isGenerator(), "upvar function is not a generator fn");
    1.19 +
    1.20 +reportCompare(true, (function(){yield}).isGenerator(), "simple generator fn");
    1.21 +reportCompare(true, (function(){with(obj){yield}}).isGenerator(), "heavyweight generator fn");
    1.22 +reportCompare(true, (function(){yield; obj}).isGenerator(), "upvar generator fn");
    1.23 +
    1.24 +reportCompare(false, Function.prototype.isGenerator.call(42), "number is not a generator fn");
    1.25 +reportCompare(false, Function.prototype.isGenerator.call({}), "vanilla object is not a generator fn");
    1.26 +reportCompare(false, Function.prototype.isGenerator.call(new Date()), "date object is not a generator fn");