third_party/WebKit/LayoutTests/accessibility/scroll-to-make-visible-iframe.html

   1 <html>
   2 <head>
   3 <script src="../resources/js-test.js"></script>
   4 </head>
   5 <body>
   6
   7 <p id="description"></p>
   8
   9 <iframe id="frame" src="data:text/html,<body><button id='upper_target'>Upper Target</button><div style='border: 1px solid #000; height: 5000px;'>5000-pixel box</div><button id='lower_target'>Lower Target</button></body>"></iframe>
  10
  11 <div id="console"></div>
  12
  13 <script>
  14 description("Tests that scrolling to make an element visible successfully scrolls an iframe.");
  15
  16 if (window.testRunner)
  17         testRunner.waitUntilDone();
  18
  19 window.jsTestIsAsync = true;
  20
  21 function runTest() {
  22     window.frame = document.getElementById("frame");
  23     window.frameWindow = frame.contentWindow;
  24     window.frameDoc = frameWindow.document;
  25
  26     var upperTarget = frameDoc.getElementById("upper_target");
  27     var lowerTarget = frameDoc.getElementById("lower_target");
  28
  29     if (window.accessibilityController) {
  30         lowerTarget.focus();
  31         var lowerTargetAccessibleObject = accessibilityController.focusedElement;
  32         upperTarget.focus();
  33         var upperTargetAccessibleObject = accessibilityController.focusedElement;
  34     }
  35
  36     // Reset the initial scroll position (since calling focus() can scroll the page too).
  37     frameWindow.scrollTo(0, 0);
  38     shouldBe("frameWindow.pageYOffset", "0");
  39
  40     // Scroll to make lower target visible and check.
  41     if (window.accessibilityController)
  42         lowerTargetAccessibleObject.scrollToMakeVisible();
  43     window.minYOffset = lowerTarget.offsetTop + lowerTarget.offsetHeight - frameWindow.innerHeight;
  44     window.maxYOffset = lowerTarget.offsetTop;
  45     shouldBe("frameWindow.pageYOffset >= minYOffset", "true");
  46     shouldBe("frameWindow.pageYOffset <= maxYOffset", "true");
  47
  48     // Scroll to make upper target visible and check.
  49     if (window.accessibilityController)
  50         upperTargetAccessibleObject.scrollToMakeVisible();
  51     window.minYOffset = upperTarget.offsetTop + upperTarget.offsetHeight - frameWindow.innerHeight;
  52     window.maxYOffset = upperTarget.offsetTop;
  53     shouldBe("frameWindow.pageYOffset >= minYOffset", "true");
  54     shouldBe("frameWindow.pageYOffset <= maxYOffset", "true");
  55
  56     finishJSTest();
  57 }
  58
  59 window.addEventListener('load', function() {
  60     setTimeout(runTest, 10);
  61 }, false);
  62
  63 </script>
  64
  65 </body>
  66 </html>