touch-browser-zoom-scales-radius.html

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
  <head>
    <script src="../../../resources/js-test.js"></script>
    <script>
      var radiusX;
      var radiusY;

      function touchHandler(e) {
        var touch = e.touches[0];
        radiusX = touch.radiusX;
        radiusY = touch.radiusY;
      }

      function endTest()
      {
        isSuccessfullyParsed();
        testRunner.notifyDone();
      }

      function sendTouchStart(x, y, radiusX, radiusY)
      {
        eventSender.clearTouchPoints();
        eventSender.addTouchPoint(x, y, radiusX, radiusY);
        eventSender.touchStart();
      }

      function runTest() {
        if (window.testRunner)
            testRunner.waitUntilDone();

        if (window.testRunner) {
          description("This tests makes sure the touch event's radius "
                      + "property is scaled to account for browser zoom.");

          document.body.addEventListener("touchstart", touchHandler);

          debug("===Initial Zoom===");
          sendTouchStart(100, 100, 4, 10);
          shouldBe("radiusX", "4");
          shouldBe("radiusY", "10");

          testRunner.setPageZoomFactor(2.0);

          debug("===Zoom 2X===");
          sendTouchStart(100, 100, 4, 10);
          shouldBe("radiusX", "2");
          shouldBe("radiusY", "5");

          testRunner.setPageZoomFactor(0.5);

          debug("===Zoom 0.5X===");
          sendTouchStart(100, 100, 4, 10);
          shouldBe("radiusX", "8");
          shouldBe("radiusY", "20");


          endTest();
        } else {
            debug("This test requires DumpRenderTree.  Tap on the blue rect to log.")
        }
      }
    </script>
  </head>

  <body onload="runTest()">
    <div id="console"></div>
  </body>
</html>
chromium/third_party/blink/web_tests/fast/events/touch/touch-browser-zoom-scales-radius.html
