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// Copyright 2016 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.
// ----------------------------------------------------------------------------
function shallowClone(object) {
return Object.create(object.__proto__,
Object.getOwnPropertyDescriptors(object));
}
function makeSlowCopy(object) {
object = shallowClone(object);
object.__foo__ = 1;
delete object.__foo__;
return object;
}
function convertToPropertyDescriptors(dict) {
for (var key in dict) {
var propertiesObject = dict[key];
dict[key] = Object.getOwnPropertyDescriptors(propertiesObject);
}
return dict;
}
var properties_5 = { a:1, b:2, c:3, d:4, e:5 };
var TEST_PROPERTIES = convertToPropertyDescriptors({
empty: {},
array_5: [1, 2, 3, 4, 5],
properties_5: properties_5,
properties_10: { a:1, b:2, c:3, d:4, e:5, f:6, g:7, h:8, i:9, j:10 },
properties_dict: makeSlowCopy(properties_5)
});
var TEST_PROTOTYPES = {
null: null,
empty: {},
'Object.prototype': Object.prototype,
'Array.prototype': Array.prototype
};
// ----------------------------------------------------------------------------
var testFunction = () => {
return Object.create(prototype, properties);
}
function createTestFunction(prototype, properties) {
// Force a new function for each test-object to avoid side-effects due to ICs.
var random_comment = "\n// random comment" + Math.random() + "\n";
return eval(random_comment + testFunction.toString());
}
// ----------------------------------------------------------------------------
var benchmarks = []
for (var proto_name in TEST_PROTOTYPES) {
var prototype = TEST_PROTOTYPES[proto_name];
for (var prop_name in TEST_PROPERTIES) {
var properties = TEST_PROPERTIES[prop_name];
var name = 'Create proto:' + proto_name + " properties:" + prop_name;
benchmarks.push(
new Benchmark(name, false, false, 0,
createTestFunction(prototype, properties)));
}
}
new BenchmarkSuite('Create', [1000], benchmarks);
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