Added performance test for reading properties, internal and external

test/perf/common.js

@@ -89,7 +89,7 @@ exports.report = function( count, desc )
 
     var end   = ( new Date() ).getTime(),
         total = ( ( end - start ) / 1000 ).toFixed( 3 ),
-        pers  = ( total / count ).toFixed( 7 )
+        pers  = ( total / count ).toFixed( 10 )
     ;
 
     console.log( total + "s (x" + count + " = " + pers + "s each)" +

test/perf/perf-class-get-property.js

@@ -0,0 +1,101 @@
+/**
+ * Tests amount of time taken to declare read properties internally and
+ * externally
+ *
+ *  Copyright (C) 2010 Mike Gerwitz
+ *
+ *  This file is part of ease.js.
+ *
+ *  ease.js is free software: you can redistribute it and/or modify it under the
+ *  terms of the GNU Lesser 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 Lesser General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author  Mike Gerwitz
+ * @package performance
+ */
+
+
+var common = require( __dirname + '/common.js' ),
+    Class  = common.require( 'class' ),
+
+    // we need many tests for a measurable result
+    count = 500000
+
+    // instance of anonymous class
+    foo = Class( {
+        'public  pub_bar':    'foo',
+        'protected prot_bar': 'bar',
+        'private priv_bar':   'baz',
+
+        'public testInternal': function()
+        {
+            var _self = this;
+
+            common.test( function()
+            {
+                var i   = count,
+                    val = null
+                ;
+
+                while ( i-- )
+                {
+                    val = _self.pub_bar;
+                }
+            }, count, 'Read public properties internally' );
+
+
+            common.test( function()
+            {
+                var i   = count,
+                    val = null
+                ;
+
+                while ( i-- )
+                {
+                    val = _self.prot_bar;
+                }
+            }, count, 'Read protected properties internally' );
+
+
+            common.test( function()
+            {
+                var i   = count,
+                    val = null
+                ;
+
+                while ( i-- )
+                {
+                    val = _self.priv_bar;
+                }
+            }, count, 'Read private properties internally' );
+        },
+    } )()
+;
+
+
+common.test( function()
+{
+    var i   = count,
+        val = null
+    ;
+
+    while ( i-- )
+    {
+        val = foo.pub_bar;
+    }
+
+}, count, 'Read public properties externally' );
+
+
+// run the same test internally
+foo.testInternal();
+