diff options
Diffstat (limited to 'js/src/tests/js1_8_5/extensions/is-generator.js')
-rw-r--r-- | js/src/tests/js1_8_5/extensions/is-generator.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/js1_8_5/extensions/is-generator.js b/js/src/tests/js1_8_5/extensions/is-generator.js new file mode 100644 index 000000000..6c77adda8 --- /dev/null +++ b/js/src/tests/js1_8_5/extensions/is-generator.js @@ -0,0 +1,23 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +/* + * Bug 648355: Function.prototype.isGenerator + */ + +reportCompare(true, "isGenerator" in Function.prototype, "Function.prototype.isGenerator present"); + +reportCompare(false, (function(){}).isGenerator(), "lambda is not a generator fn"); +reportCompare(false, Function.prototype.toString.isGenerator(), "native is not a generator fn"); +reportCompare(false, (function(){with(obj){}}).isGenerator(), "heavyweight is not a generator fn"); +reportCompare(false, (function(){obj}).isGenerator(), "upvar function is not a generator fn"); + +reportCompare(true, (function(){yield}).isGenerator(), "simple generator fn"); +reportCompare(true, (function(){with(obj){yield}}).isGenerator(), "heavyweight generator fn"); +reportCompare(true, (function(){yield; obj}).isGenerator(), "upvar generator fn"); + +reportCompare(false, Function.prototype.isGenerator.call(42), "number is not a generator fn"); +reportCompare(false, Function.prototype.isGenerator.call({}), "vanilla object is not a generator fn"); +reportCompare(false, Function.prototype.isGenerator.call(new Date()), "date object is not a generator fn"); |