src/third_party/WebKit/LayoutTests/http/tests/inspector/network/cached-resource-destroyed-too-big-discarded.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     if (!window.internals) {
   9         console.log("This test can not be run as window.internals is not available.");
  10         return;
  11     }
  12     // Make sure there is no enough space to save content in resource agent's storage.
  13     internals.setInspectorResourcesDataSizeLimits(100, 100);
  14
  15     image = new Image();
  16     image.onload = firstImageLoaded;
  17     document.body.appendChild(image);
  18     image.src = "resources/resource.php?type=image&random=1&size=400";
  19 }
  20
  21 function firstImageLoaded()
  22 {
  23     console.log("Done1.");
  24 }
  25
  26 function loadSecondImage() {
  27     image.onload = secondImageLoaded;
  28     image.src = "resources/resource.php?type=image&random=1&size=200";
  29 }
  30
  31 function secondImageLoaded()
  32 {
  33     console.log("Done2.");
  34 }
  35
  36 function test()
  37 {
  38     var imageRequest;
  39     InspectorTest.recordNetwork();
  40     InspectorTest.addConsoleSniffer(step2);
  41     InspectorTest.evaluateInPage("loadFirstImage()");
  42
  43     function step2()
  44     {
  45         imageRequest = InspectorTest.networkRequests().pop();
  46         imageRequest.requestContent(step3);
  47     }
  48
  49     function step3()
  50     {
  51         InspectorTest.addResult(imageRequest.url);
  52         InspectorTest.addResult("request.type: " + imageRequest.resourceType());
  53         InspectorTest.addResult("request.content.length after requesting content: " + imageRequest.content.length);
  54         InspectorTest.assertTrue(imageRequest.content.length > 0, "No content before destroying CachedResource.");
  55
  56         InspectorTest.addResult("Releasing cached resource.");
  57         // Loading another image to the same image element so that the original image cached resource is released.
  58         InspectorTest.addConsoleSniffer(step4);
  59         InspectorTest.evaluateInPage("loadSecondImage()");
  60     }
  61
  62     function step4(msg)
  63     {
  64         // Disable-enable cache to force MemoryCache::evictResources().
  65         NetworkAgent.setCacheDisabled(true, step5);
  66     }
  67
  68     function step5(msg)
  69     {
  70         // In Oilpan, Resource objects are not destructed until GC.
  71         InspectorTest.evaluateInPage("GCController.collectAll()");
  72         NetworkAgent.setCacheDisabled(false, step6);
  73     }
  74
  75     function step6()
  76     {
  77         // Re-request content now that CachedResource should have been destroyed.
  78         delete imageRequest._content;
  79         imageRequest.requestContent(step7);
  80     }
  81
  82     function step7()
  83     {
  84         InspectorTest.addResult("request.content after requesting content: " + imageRequest.content);
  85         InspectorTest.assertTrue(!imageRequest.content, "Content available after CachedResource was destroyed.");
  86         InspectorTest.resetInspectorResourcesData(step8);
  87     }
  88
  89     function step8()
  90     {
  91         InspectorTest.completeTest();
  92     }
  93 }
  94 </script>
  95 </head>
  96 <body onload="runTest()">
  97 <p>Tests cached resource content is discarded when cached resource is destroyed if content size is too big for the resource agent's data storage.</p>
  98 <a href="https://bugs.webkit.org/show_bug.cgi?id=92108">Bug 92108</a>
  99 </body>
 100 </html>
 101