The Tor Browser: dom/camera/test/test_camera_fake_parameters.html@97036ab72558 (annotated)

dom/camera/test/test_camera_fake_parameters.html@97036ab72558 (annotated)

dom/camera/test/test_camera_fake_parameters.html

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 <!DOCTYPE HTML>
 <html>
 <head>
   <title>Test for CameraParameters we need to fake</title>
   <script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
   <script type="text/javascript" src="camera_common.js"></script>
   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
 </head>
 <body>
   <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=976802">Mozilla Bug 976802</a>
   <video id="viewfinder" width="200" height="200" autoplay></video>
   <img src="#" alt="This image is going to load" id="testimage"/>
 <script class="testbody" type="text/javascript;version=1.7">
 var whichCamera = navigator.mozCameras.getListOfCameras()[0];
 var initialConfig = {
   mode: 'picture',
   recorderProfile: 'cif',
   previewSize: {
     width: 352,
     height: 288
   }
 };
 var cameraObj = null;
 // Shorthand functions
 function onError(e) {
   ok(false, "Error" + JSON.stringify(e));
 }
 function end() {
   CameraTest.end();
 }
 function next() {
   if (cameraObj) {
     cameraObj.release(
       function success() {
         CameraTest.next();
       },
       onError
     );
     cameraObj = null;
   } else {
     CameraTest.next();
   }
 }
 function run() {
   CameraTest.run();
 }
 // The array of tests. Because camera capabilities don't change over the life
 // of a CameraControl object, they are only read once when the CameraControl is
 // created; so we have to call the 'prep' function first to set the fake
 // capability pref, before we call getCamera() and call 'test' to run the test.
 var tests = [
   {
     key: "fake-zoom",
     prep: function setupFakeZoom(test) {
       test.setFakeParameters("zoom-ratios=100,150,200,300,400;max-zoom=4", function() {
         run();
       });
     },
     test: function testFakeZoom(cam, cap) {
       ok(cap.zoomRatios.length == 5, "zoom ratios length = " + cap.zoomRatios.length);
       // test individual zoom ratios
       cap.zoomRatios.forEach(function(zoom, index) {
         cam.zoom = zoom;
         ok(cam.zoom === zoom,
           "zoom[" + index + "] = " + zoom + "x, cam.zoom = " + cam.zoom + "x");
       });
       // test below-lower-bound zoom ratio
       var zoom = cap.zoomRatios[0] - 0.1;
       cam.zoom = zoom;
       ok(cam.zoom === cap.zoomRatios[0],
         zoom + "x zoom clamps to minimum: " +
         cap.zoomRatios[0] + "x, cam.zoom = " + cam.zoom + "x");
       // test above-upper-bound zoom ratio
       zoom = cap.zoomRatios.slice(-1)[0] + 1.0;
       cam.zoom = zoom;
       ok(cam.zoom === cap.zoomRatios.slice(-1)[0],
         zoom + "x zoom clamps to maximum: " + cap.zoomRatios.slice(-1)[0] +
         "x, cam.zoom = " + cam.zoom + "x");
       // test snapping to supported zoom ratio
       if (cap.zoomRatios.length > 1) {
         zoom = (cap.zoomRatios[0] + cap.zoomRatios[1]) / 2;
         cam.zoom = zoom;
         ok(cam.zoom === cap.zoomRatios[0],
           zoom + "x zoom rounded down to: " + cap.zoomRatios[0] +
           "x, cam.zoom = " + cam.zoom + "x");
       }
       next();
     }
   },
   {
     key: "fake-zoom-out-of-order",
     prep: function setupFakeZoomOutOfOrder(test) {
       // We expect the camera library to give us zoom ratios in order; if
       // it doesn't we ignore the list and just return 1x support.
       test.setFakeParameters("zoom-ratios=100,150,200,400,300;max-zoom=4", function () {
         run();
       });
     },
     test: function testFakeZoomOutOfOrder(cam, cap) {
       ok(cap.zoomRatios.length == 1, "zoom ratios length = " + cap.zoomRatios.length);
       ok(cap.zoomRatios[0] == 1.0, "only supported zoom = " + cap.zoomRatios[0] + "x");
       next();
     }
   },
   {
     key: "fake-iso",
     prep: function setupFakeIso(test) {
       // we should recognize 'auto', 'hjr', and numeric modes; anything else
       // from the driver is ignored, which this test also verifies.
       test.setFakeParameters(
         "iso=auto;iso-values=auto,ISO_HJR,ISO100,foo,ISObar,ISO200,ISO400,ISO800,ISO1600",
         function () {
         run();
       });
     },
     test: function testFakeIso(cam, cap) {
       // values 'foo' and 'ISObar' should not be included in isoModes
       ok(cap.isoModes.length == 7, "ISO modes length = " + cap.isoModes.length);
       ok(cap.isoModes.indexOf("foo") == -1, "Unknown ISO mode 'foo' is ignored");
       ok(cap.isoModes.indexOf("ISObar") == -1, "Unknown ISO mode 'ISObar' is ignored");
       ok(cap.isoModes.indexOf("bar") == -1, "Unknown ISO mode 'bar' is ignored");
       // test individual ISO modes
       cap.isoModes.forEach(function(iso, index) {
         cam.iso = iso;
         ok(cam.iso === iso,
           "ISO[" + index + "] = " + iso + ", cam.iso = " + cam.iso);
       });
       next();
     }
   },
 ];
 var testGenerator = function() {
   for (var i = 0; i < tests.length; ++i ) {
     yield tests[i];
   }
 }();
 window.addEventListener('beforeunload', function() {
   document.getElementById('viewfinder').mozSrcObject = null;
   if (cameraObj) {
     cameraObj.release();
     cameraObj = null;
   }
 });
 CameraTest.begin("hardware", function(test) {
   function onError(error) {
     ok(false, "getCamera() failed with: " + error);
     end();
   }
   CameraTest.next = function() {
     try {
       var t = testGenerator.next();
       info("test: " + t.key);
       function onSuccess(camera, config) {
         cameraObj = camera;
         document.getElementById('viewfinder').mozSrcObject = camera;
         camera.onPreviewStateChange = function (state) {
           if (state === "started") {
             t.test(camera, camera.capabilities);
           } else {
             ok(false, "preview started (state = '" + state + "')");
           }
           camera.onPreviewStateChange = null;
         };
       }
       CameraTest.run = function() {
         navigator.mozCameras.getCamera(whichCamera, initialConfig, onSuccess, onError);
       };
       t.prep(test);
     } catch(e) {
       if (e instanceof StopIteration) {
         end();
       } else {
         throw e;
       }
     }
   };
   next();
 });
 </script>
 </body>
 </html>

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dom/camera/test/test_camera_fake_parameters.html@97036ab72558 (annotated)

dom/camera/test/test_camera_fake_parameters.html