| 1 | <html> |
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| 2 | <head> |
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| 3 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
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| 4 | <script type="text/javascript" src="../../dojo.js"></script> |
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| 5 | |
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| 6 | <script type="text/javascript"> |
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| 7 | |
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| 8 | var w, start; |
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| 9 | dojo.addOnLoad(function(){ |
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| 10 | w = dojo.byId('ipt'); |
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| 11 | }); |
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| 12 | |
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| 13 | function repeat(/*String*/ testName, /*Function*/ func, /*Number*/ iters, /*Date?*/ start){ |
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| 14 | // summary: |
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| 15 | // Call func() for iters times |
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| 16 | |
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| 17 | start = start || new Date(); |
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| 18 | |
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| 19 | while(iters-- > 0){ |
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| 20 | func(); |
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| 21 | if(iters % 1000 == 0){ |
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| 22 | // avoid locking up browser or getting "script hung" warning dialog |
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| 23 | dojo.byId("log").innerHTML = "Running " + testName + " (" + iters + ")"; |
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| 24 | setTimeout(function(){ repeat(testName, func, iters, start)}, 0); |
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| 25 | return; |
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| 26 | } |
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| 27 | } |
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| 28 | if(typeof CollectGarbage != "undefined"){ |
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| 29 | CollectGarbage(); // collect garbage in IE to make it easy to read the memory levels |
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| 30 | } |
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| 31 | dojo.byId("log").innerHTML = "Finished " + testName + ", elapsed time = " + ((new Date()) - start)/1000 + "s"; |
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| 32 | } |
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| 33 | |
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| 34 | var cc = []; |
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| 35 | function disconnectTest(){ |
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| 36 | //console.log("repeating"); |
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| 37 | dojo.forEach(cc, function(c, i, conns){ |
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| 38 | dojo.disconnect(c); |
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| 39 | }); |
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| 40 | cc = [ |
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| 41 | dojo.connect(w, "onblur", func), |
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| 42 | dojo.connect(w, "onclick", func), |
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| 43 | dojo.connect(w, "onchange",func) |
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| 44 | ]; |
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| 45 | } |
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| 46 | |
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| 47 | function func(){ |
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| 48 | console.log('callback triggered') |
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| 49 | } |
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| 50 | function destroyTest(){ |
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| 51 | var button = dojo.place("<button>test button</button>", dojo.body()); |
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| 52 | dojo.connect(button, "onclick", func); |
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| 53 | dojo.destroy(button); |
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| 54 | } |
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| 55 | function removeTest(){ |
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| 56 | var button = dojo.place("<button>test button</button>", dojo.body()); |
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| 57 | dojo.connect(button, "onclick", func); |
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| 58 | button.parentNode.removeChild(button); |
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| 59 | } |
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| 60 | function iframeTest(){ |
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| 61 | var iframe = dojo.place("<iframe style='display:none' src='connectLeaks.html?inframe'></iframe>", dojo.body()); |
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| 62 | setTimeout(function(){ |
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| 63 | dojo.destroy(iframe); |
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| 64 | }, 1000); |
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| 65 | } |
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| 66 | if(location.search == "?inframe"){ |
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| 67 | |
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| 68 | dojo.ready(function(){ |
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| 69 | var a = []; |
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| 70 | for(var i = 0; i < 100000;i++){ |
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| 71 | a.push({a:4}); |
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| 72 | } |
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| 73 | dojo.connect(document.body, "unload", function(){ |
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| 74 | a.push(4); |
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| 75 | parent.console.log("a " + a.length); |
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| 76 | }); |
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| 77 | }); |
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| 78 | } |
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| 79 | </script> |
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| 80 | </head> |
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| 81 | |
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| 82 | <body class="tundra"> |
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| 83 | <h1>Memory leak tests</h1> |
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| 84 | <p>Monitor memory usage in IE6/7 (or any browser) before/after pressing buttons below</p> |
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| 85 | <button onclick="repeat('disconnect test', disconnectTest, 10000);">dojo.disconnect() test</button> |
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| 86 | <button onclick="repeat('destroy test', destroyTest, 10000);">dojo.destroy() test</button> |
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| 87 | <button onclick="repeat('remove test', removeTest, 10000);">remove node test</button> |
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| 88 | <button onclick="repeat('iframe test', iframeTest, 10);">iframe test</button> |
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| 89 | <button onclick="CollectGarbage()">Collect Garbage</button> |
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| 90 | <div id="log"></div> |
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| 91 | <input id='ipt' value='connect target' type=button /> |
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| 92 | </body> |
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| 93 | </html> |
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