v8/test/js-perf-test/Classes/super.js

60 lines
1.3 KiB
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
var SuperBenchmark = new BenchmarkSuite('Super', [100], [
new Benchmark('SuperMethodCall', false, false, 0, SuperMethodCall),
new Benchmark('SuperGetterCall', false, false, 0, SuperGetterCall),
new Benchmark('SuperSetterCall', false, false, 0, SuperSetterCall),
]);
function Base() { }
Base.prototype = {
constructor: Base,
get x() {
return this._x++;
},
set x(v) {
this._x += v;
return this._x;
}
}
Base.prototype.f = function() {
return this._x++;
}.toMethod(Base.prototype);
function Derived() {
this._x = 1;
}
Derived.prototype = Object.create(Base.prototype);
Object.setPrototypeOf(Derived, Base);
Derived.prototype.SuperCall = function() {
return super.f();
}.toMethod(Derived.prototype);
Derived.prototype.GetterCall = function() {
return super.x;
}.toMethod(Derived.prototype);
Derived.prototype.SetterCall = function() {
return super.x = 5;
}.toMethod(Derived.prototype);
var derived = new Derived();
function SuperMethodCall() {
return derived.SuperCall();
}
function SuperGetterCall() {
return derived.GetterCall();
}
function SuperSetterCall() {
return derived.SetterCall();
}