src/third_party/WebKit/LayoutTests/http/tests/inspector/network/cached-resource-destroyed-moved-to-storage.html

   1 <html>
   2 <head>
   3 <script src="../inspector-test.js"></script>
   4 <script src="../network-test.js"></script>
   5 <script>
   6 var image;
   7 function loadFirstImage() {
   8     image = new Image();
   9     image.onload = firstImageLoaded;
  10     document.body.appendChild(image);
  11     image.src = "resources/resource.php?type=image&random=1&size=400";
  12 }
  13
  14 function firstImageLoaded()
  15 {
  16     console.log("Done1.");
  17 }
  18
  19 function loadSecondImage() {
  20     image.onload = secondImageLoaded;
  21     image.src = "resources/resource.php?type=image&random=1&size=200";
  22 }
  23
  24 function secondImageLoaded()
  25 {
  26     console.log("Done2.");
  27 }
  28
  29 function forceCachedResourceLoaderGC() {
  30     if (window.internals)
  31         window.internals.garbageCollectDocumentResources();
  32 }
  33
  34 function test()
  35 {
  36     // Since this test could be run together with other inspector backend cache
  37     // tests, we need to reset size limits to default ones.
  38     InspectorTest.resetInspectorResourcesData(step1);
  39
  40     var imageRequest;
  41     function step1()
  42     {
  43         InspectorTest.recordNetwork();
  44         InspectorTest.addConsoleSniffer(step2);
  45         InspectorTest.evaluateInPage("loadFirstImage()");
  46     }
  47
  48     function step2()
  49     {
  50         imageRequest = InspectorTest.networkRequests().pop();
  51         imageRequest.requestContent(step3);
  52     }
  53
  54     var originalContentLength;
  55     function step3()
  56     {
  57         InspectorTest.addResult(imageRequest.url);
  58         InspectorTest.addResult("request.type: " + imageRequest.resourceType());
  59         InspectorTest.addResult("request.content.length after requesting content: " + imageRequest.content.length);
  60         originalContentLength = imageRequest.content.length;
  61         InspectorTest.assertTrue(imageRequest.content.length > 0, "No content before destroying CachedResource.");
  62
  63         InspectorTest.addResult("Releasing cached resource.");
  64         // Loading another image to the same image element so that the original image cached resource is released.
  65         InspectorTest.addConsoleSniffer(step4);
  66         InspectorTest.evaluateInPage("loadSecondImage()");
  67     }
  68
  69     function step4(msg)
  70     {
  71         // Disable-enable cache to force MemoryCache::evictResources().
  72         NetworkAgent.setCacheDisabled(true, step5);
  73     }
  74
  75     function step5(msg)
  76     {
  77         NetworkAgent.setCacheDisabled(false, step6);
  78     }
  79
  80     function step6()
  81     {
  82         // Force CachedResourceLoader garbage collector run.
  83         InspectorTest.evaluateInPage("forceCachedResourceLoaderGC()");
  84
  85         // Re-request content now that CachedResource should have been destroyed.
  86         delete imageRequest._content;
  87         imageRequest.requestContent(step7);
  88     }
  89
  90     function step7()
  91     {
  92         InspectorTest.addResult("request.content.length after requesting content: " + imageRequest.content.length);
  93         originalContentLength = imageRequest.content.length;
  94         InspectorTest.assertTrue(imageRequest.content.length === originalContentLength, "Content changed after cached resource was destroyed");
  95         InspectorTest.resetInspectorResourcesData(step8);
  96     }
  97
  98     function step8()
  99     {
 100         InspectorTest.completeTest();
 101     }
 102 }
 103 </script>
 104 </head>
 105 <body onload="runTest()">
 106 <p>Tests content is moved from cached resource to resource agent's data storage when cached resource is destroyed.</p>
 107 <a href="https://bugs.webkit.org/show_bug.cgi?id=92108">Bug 92108</a>
 108 </body>
 109 </html>
 110