src/third_party/WebKit/LayoutTests/inspector/device-emulation/device-emulation-scale-only.html

   1 <html>
   2 <head>
   3
   4 <script src="../../http/tests/inspector/inspector-test.js"></script>
   5
   6 <style>
   7 body {
   8     margin: 0;
   9     min-height: 1000px;
  10 }
  11 </style>
  12
  13 <script>
  14 function dumpMetrics()
  15 {
  16     return JSON.stringify({
  17         screen: window.screen.width + "x" + window.screen.height,
  18         position: window.screenX + "x" + window.screenY,
  19         inner: window.innerWidth + "x" + window.innerHeight,
  20         body: document.body.offsetWidth + "x" + document.body.offsetHeight,
  21         dpr: window.devicePixelRatio
  22     });
  23 }
  24
  25 function test()
  26 {
  27     function getPageMetrics(callback)
  28     {
  29         InspectorTest.evaluateInPage("dumpMetrics()", parse);
  30
  31         function parse(json)
  32         {
  33             callback(JSON.parse(json.value));
  34         }
  35     }
  36
  37     var initialMetrics;
  38
  39     function applyEmulationAndCheckMetrics(deviceScaleFactor, callback)
  40     {
  41         InspectorTest.addResult("Overriding device scale factor: " + deviceScaleFactor);
  42         PageAgent.invoke_setDeviceMetricsOverride({width: 0, height: 0, deviceScaleFactor: deviceScaleFactor, emulateViewport: false, fitWindow: false}, getPageMetrics.bind(null, check));
  43
  44         function check(metrics)
  45         {
  46             if (metrics.screen !== initialMetrics.screen)
  47                 InspectorTest.addResult("Wrong screen size: " + metrics.screen + " instead of " + initialMetrics.screen);
  48             if (metrics.position !== initialMetrics.position)
  49                 InspectorTest.addResult("Wrong screen position: " + metrics.position + " instead of " + initialMetrics.position);
  50             if (metrics.inner !== initialMetrics.inner)
  51                 InspectorTest.addResult("Wrong window size: " + metrics.inner + " instead of " + initialMetrics.inner);
  52             if (metrics.body !== initialMetrics.body)
  53                 InspectorTest.addResult("Wrong body size: " + metrics.body + " instead of " + initialMetrics.body);
  54             if (deviceScaleFactor)
  55                 InspectorTest.addResult("Got device scale factor: " + metrics.dpr);
  56             callback();
  57         }
  58     }
  59
  60     function saveInitialMetrics(callback)
  61     {
  62         getPageMetrics(save);
  63
  64         function save(metrics)
  65         {
  66             initialMetrics = metrics;
  67             callback();
  68         }
  69     }
  70
  71     var complete = InspectorTest.completeTest.bind(InspectorTest);
  72     var reset = applyEmulationAndCheckMetrics.bind(null, 0, complete);
  73     var check3 = applyEmulationAndCheckMetrics.bind(null, 3, reset);
  74     var check2 = applyEmulationAndCheckMetrics.bind(null, 2, check3);
  75     var check1 = applyEmulationAndCheckMetrics.bind(null, 1, check2);
  76     saveInitialMetrics(check1);
  77 }
  78 </script>
  79
  80 </head>
  81 <body onload="runTest()">
  82 <p>
  83 Tests that overriding only device scale factor does not affect any other value.
  84 </p>
  85 </body>
  86 </html>