js/src/jit-test/tests/basic/testSetProtoRegeneratesObjectShape.js@b8a032363ba2 (annotated)
js/src/jit-test/tests/basic/testSetProtoRegeneratesObjectShape.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | function testSetProtoRegeneratesObjectShape() |
| michael@0 | 2 | { |
| michael@0 | 3 | var f = function() {}; |
| michael@0 | 4 | var g = function() {}; |
| michael@0 | 5 | g.prototype.__proto__ = {}; |
| michael@0 | 6 | |
| michael@0 | 7 | function iq(obj) |
| michael@0 | 8 | { |
| michael@0 | 9 | for (var i = 0; i < 10; ++i) |
| michael@0 | 10 | "" + obj.prototype; |
| michael@0 | 11 | } |
| michael@0 | 12 | |
| michael@0 | 13 | iq(f); |
| michael@0 | 14 | iq(f); |
| michael@0 | 15 | iq(f); |
| michael@0 | 16 | iq(f); |
| michael@0 | 17 | iq(g); |
| michael@0 | 18 | |
| michael@0 | 19 | if (shapeOf(f.prototype) === shapeOf(g.prototype)) |
| michael@0 | 20 | return "object shapes same after proto of one is changed"; |
| michael@0 | 21 | |
| michael@0 | 22 | return true; |
| michael@0 | 23 | } |
| michael@0 | 24 | assertEq(testSetProtoRegeneratesObjectShape(), true); |
