The Tor Browser: dom/tests/mochitest/general/test_domWindowUtils

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>nsIDOMWindowUtils::elementFromPoint test</title>

     5   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">

     7   <style>

     8     body {

     9       /* Make room for scrolling */

    10     }

    11   </style>

    12 </head>

    14 <body id="body">

    15   <script type="application/javascript;version=1.8">

    16     /*

    17       void getScrollXY(in boolean aFlushLayout, out long aScrollX, out long aScrollY);

    18     */

    19     function doTests() {

    20       testScrollXY();

    21       testHiddenIframe();

    23       SimpleTest.finish();

    24     }

    26     function testScrollXY() {

    27       let iframe = document.getElementById("iframe");

    28       let cwindow = iframe.contentWindow;

    29       let domWindowUtils = SpecialPowers.getDOMWindowUtils(cwindow);

    31       function checkGetScrollXYState(flush, vals, testName) {

    32         let scrollX = {}, scrollY = {};

    33         domWindowUtils.getScrollXY(flush, scrollX, scrollY);

    34         is(scrollX.value, vals[0], "getScrollXY x for test: " + testName);

    35         is(scrollY.value, vals[1], "getScrollXY y for test: " + testName);

    36       }

    38       function checkWindowScrollState(vals, testName) {

    39         is(cwindow.scrollX, vals[0], "scrollX for test: " + testName);

    40         is(cwindow.scrollY, vals[1], "scrollY for test: " + testName);

    41       }

    43       // Check initial state (0, 0)

    44       checkGetScrollXYState(false, [0, 0], "initial getScrollXY state");

    45       checkGetScrollXYState(true, [0, 0], "initial getScrollXY state+flush");

    46       checkWindowScrollState([0, 0], "initial window.scroll* state");

    48       // scroll

    49       cwindow.scrollTo(900, 1000);

    50       checkGetScrollXYState(false, [900, 1000], "after scroll getScrollXY state");

    51       checkGetScrollXYState(true, [900, 1000], "after scroll getScrollXY state+flush");

    52       checkWindowScrollState([900, 1000], "after scroll window.scroll* state");

    54       // ensure flush=false works

    55       cwindow.document.body.style.width = 'auto';

    56       cwindow.document.body.style.height = 'auto';

    57       checkGetScrollXYState(false, [900, 1000], "didn't flush layout for getScrollXY");

    58       checkGetScrollXYState(true, [0, 0], "flushed layout for getScrollXY");

    59     }

    61     function testHiddenIframe() {

    62       let iframe = document.getElementById("hidden-iframe");

    63       let cwindow = iframe.contentWindow;

    64       let domWindowUtils = SpecialPowers.getDOMWindowUtils(cwindow);

    66       // make sure getScrollXY doesn't throw

    67       let scrollX = {}, scrollY = {};

    68       domWindowUtils.getScrollXY(false, scrollX, scrollY);

    70       is(scrollX.value, 0, "scrollX is zero for display:none iframe");

    71       is(scrollY.value, 0, "scrollY is zero for display:none iframe");

    72     }

    74     SimpleTest.waitForExplicitFinish();

    75   </script>

    77   <!-- can't run this in the test document, since it potentially runs in a

    78        scrolling="no" test harness iframe, and that causes a failure for some

    79        reason -->

    80   <iframe src="data:text/html,<body style='width: 100000px; height: 100000px;'><p>top</p></body>"

    81           id="iframe"

    82           onload="doTests();">

    83   </iframe>

    85   <iframe id="hidden-iframe" style="display: none;"></iframe>

    87   <p id="display"></p>

    89 </body>

    90 </html>

The Tor Browser / file revision