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map_memory_test.js
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129 lines (115 loc) · 3.04 KB
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'use strict';
var path = require('path');
var util = require('util');
var async = require('async');
var HashMap = require('./es6-map');
var map = new HashMap();
if (!global.hasOwnProperty('gc')) {
console.log('Error: you must run with --expose-gc');
process.exit(1);
}
var measureMemory = function (name, use_memory_func, callback) {
var i;
for (i = 0; i < 10; i++) {
global.gc();
}
var pre_memory_usage = process.memoryUsage();
return use_memory_func(function (err, count) {
if (err) {
console.log('error using up memory', err);
return callback(err);
}
for (i = 0; i < 10; i++) {
global.gc();
}
var post_memory_usage = process.memoryUsage();
console.log('report:', name, 'memory per object:', Math.round((post_memory_usage.heapUsed - pre_memory_usage.heapUsed) / count));
return callback();
});
};
var setAndClear = function (callback) {
var i;
for (i = 0; i < 10000; i++) {
map.set(i, i);
}
map.clear();
return callback(null, 1);
};
var setAndDelete = function (callback) {
var i;
for (i = 0; i < 10000; i++) {
map.set(i, i);
}
for (i = 0; i < 10000; i++) {
map.delete(i);
}
return callback(null, 1);
};
var setAndIterate = function (callback) {
var i;
for (i = 0; i < 10000; i++) {
map.set(i, i);
}
var do_each = function (value, key) {
return;
};
for (i = 0; i < 100; i++) {
map.forEach(do_each);
}
map.clear();
return callback(null, 1);
};
var setAndHas = function (callback) {
var i;
for (i = 0; i < 10000; i++) {
map.set(i, i);
}
var j;
for (j = 0; j < 50; j++) {
for (i = 0; i < 10000; i++) {
if (!map.has(i)) {
return callback({name: 'ENOENT', message: 'hashmap does not have ' + i});
}
}
}
map.clear();
return callback(null, 1);
};
async.eachSeries([
/*
['setAndClear', setAndClear],
['setAndClear', setAndClear],
['setAndClear', setAndClear],
['setAndClear', setAndClear],
['setAndClear', setAndClear],
['setAndDelete', setAndDelete],
['setAndDelete', setAndDelete],
['setAndDelete', setAndDelete],
['setAndDelete', setAndDelete],
['setAndDelete', setAndDelete]
*/
['setAndIterate', setAndIterate],
['setAndIterate', setAndIterate],
['setAndIterate', setAndIterate],
['setAndIterate', setAndIterate],
['setAndIterate', setAndIterate]
/*
['setAndHas', setAndHas],
['setAndHas', setAndHas],
['setAndHas', setAndHas],
['setAndHas', setAndHas],
['setAndHas', setAndHas]
*/
], function (params, cb) {
return measureMemory.call(null, params[0], params[1], cb);
}, function (err) {
if (err) {
console.log('tests did not all complete');
process.exit(1);
}
console.log('test by doing a ps aux | grep ', process.pid);
// prevent process from exiting
setInterval(function () {
return;
}, 10000);
});