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easejs/test/perf/perf-trait-mixin.js

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/**
* Tests amount of time taken to declare N classes mixing in traits of
* various sorts
*
* Copyright (C) 2014 Free Software Foundation, Inc.
*
* This file is part of GNU ease.js.
*
* ease.js is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contrast with respective class test.
*/
var common = require( __dirname + '/common.js' ),
Trait = common.require( 'Trait' ),
Class = common.require( 'class' ),
Interface = common.require( 'interface' ),
count = 1000
;
// we don't care about declare time; we're testing mixin time
var Te = Trait( {} );
var Tv = Trait(
{
'virtual a': function() {},
'virtual b': function() {},
'virtual c': function() {},
} );
var I = Interface(
{
a: [],
b: [],
c: [],
} );
var Cv = Class.implement( I ).extend(
{
'virtual a': function() {},
'virtual b': function() {},
'virtual c': function() {},
} );
var To = Trait.implement( I ).extend(
{
'virtual abstract override a': function() {},
'virtual abstract override b': function() {},
'virtual abstract override c': function() {},
} );
common.test( function()
{
var i = count;
while ( i-- )
{
// extend to force lazy mixin
Class.use( Te ).extend( {} );
}
}, count, 'Mix in ' + count + ' empty traits' );
common.test( function()
{
var i = count;
while ( i-- )
{
// extend to force lazy mixin
Class.use( Tv ).extend( {} );
}
}, count, 'Mix in ' + count + ' traits with few virtual methods' );
// now override 'em
common.test( function()
{
var i = count;
while ( i-- )
{
Class.use( Tv ).extend(
{
'override virtual a': function() {},
'override virtual b': function() {},
'override virtual c': function() {},
} );
}
}, count, 'Mix in and override ' + count +
' traits with few virtual methods' );
common.test( function()
{
var i = count;
while ( i-- )
{
Cv.use( To ).extend( {} );
}
}, count, 'Mix in trait that overrides class methods' );