As part of scriptaculous' unit test:
testAnonSubclass: function() {
var C1 = Class.create({
method1: function() {
return "C1";
}
}), C2 = Class.create(C1, {
method2: function() {
return "C2";
},
createSubclass: function() {
return Class.create(this.constructor, {
method3: function() {
return "subclass";
}
});
}
});
var o2 = new C2(), C3 = o2.createSubclass(), o3 = new C3();
this.assertInstanceOf(C1, o2, "o2 instanceOf C1");
this.assertInstanceOf(C2, o2, "o2 instanceOf C2");
this.assertInstanceOf(C1, o3, "o3 instanceOf C1");
this.assertInstanceOf(C2, o3, "o3 instanceOf C2");
this.assert(Object.isFunction(o3.method1), "o3.method1");
this.assert(Object.isFunction(o3.method2), "o3.method2");
this.assert(Object.isFunction(o3.method3), "o3.method3");
}
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