Source code
Revision control
Copy as Markdown
Other Tools
load(libdir + "asserts.js");
var g = newGlobal({newCompartment: true});
for (var cls of [Map, Set]) {
var getter = Object.getOwnPropertyDescriptor(cls.prototype, "size").get;
assertThrowsInstanceOf(function () { getter.apply(g, []); }, g.TypeError);
}