michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: /* Create a prototype object with a setter property. */
michael@0: var protoSetterCount;
michael@0: var proto = ({ set x(v) { protoSetterCount++; } });
michael@0: 
michael@0: /* Put a watchpoint on that setter. */
michael@0: var protoWatchCount;
michael@0: proto.watch('x', function() { protoWatchCount++; });
michael@0: 
michael@0: /* Make an object with the above as its prototype. */
michael@0: function C() { }
michael@0: C.prototype = proto;
michael@0: var o = new C();
michael@0: 
michael@0: /*
michael@0:  * Set a watchpoint on the property in the inheriting object. We have
michael@0:  * defined this to mean "duplicate the property, setter and all, in the
michael@0:  * inheriting object." I don't think debugging observation mechanisms
michael@0:  * should mutate the program being run, but that's what we've got.
michael@0:  */
michael@0: var oWatchCount;
michael@0: o.watch('x', function() { oWatchCount++; });
michael@0: 
michael@0: /*
michael@0:  * Assign to the property. This should trip the watchpoint on the inheriting object and
michael@0:  * the setter.
michael@0:  */
michael@0: protoSetterCount = protoWatchCount = oWatchCount = 0;
michael@0: o.x = 1;
michael@0: assertEq(protoWatchCount, 0);
michael@0: assertEq(oWatchCount, 1);
michael@0: assertEq(protoSetterCount, 1);
michael@0: 
michael@0: reportCompare(true, true);