js/src/jit-test/tests/basic/proxy-assign-inherited.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 // When we assign to a property that a proxy claims is inherited, the
michael@0 2 // defineProperty handler call to create the new own property should get
michael@0 3 // the newly assigned value.
michael@0 4
michael@0 5 var hits;
michael@0 6 var handlers = {
michael@0 7 getOwnPropertyDescriptor: function(name) {
michael@0 8 return undefined;
michael@0 9 },
michael@0 10 getPropertyDescriptor: function(name) {
michael@0 11 return { value:42, writable:true, enumerable:true, configurable:true };
michael@0 12 },
michael@0 13 defineProperty: function(name, descriptor) {
michael@0 14 hits++;
michael@0 15 assertEq(name, 'x');
michael@0 16 assertEq(descriptor.value, 43);
michael@0 17 }
michael@0 18 };
michael@0 19 hits = 0;
michael@0 20 Proxy.create(handlers).x = 43;
michael@0 21 assertEq(hits, 1);

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