layout/forms/test/test_bug717878_input_scroll.html

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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 <!--
     4 https://bugzilla.mozilla.org/show_bug.cgi?id=717878
     5 -->
     6 <head>
     7   <meta charset="utf-8">
     8   <title>Test for Bug 717878</title>
     9   <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
    10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
    11 </head>
    12 <body>
    13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=717878">Mozilla Bug 717878</a>
    14 <p id="display"></p>
    15 <div id="content" style="display: none">
    16 </div>
    17 <!-- size=10 and monospace font ensure there's no overflow in either direction -->
    18 <input id="no-overflow" type="text"
    19   size="10"
    20   style="
    21     font-family: monospace;
    22     font-size: 1em;"
    23   value="Short">
    24 <!-- size=10, monospace font, and height=0.5em ensure overflow in both directions -->
    25 <input id="overflow" type="text"
    26   size="10"
    27   style="
    28     font-family: monospace;
    29     font-size: 1em;
    30     height: 0.5em;"
    31   value="This is a long string">
    32 <pre id="test">
    33 <script type="application/javascript">
    35 /** Test for Bug 717878 **/
    37 /**
    38  * Test an element's scroll properties for correctness
    39  *
    40  * @param element Element to test
    41  * @param prop Specify the property to test,
    42  *             i.e. "scrollLeft" or "scrollTop"
    43  * @param propMax Specify the scrollMax property to test,
    44  *                i.e. "scrollLeftMax" or "scrollTopMax"
    45  * @param is_overflow Specify whether the element is
    46  *                    scrollable in the above direction
    47  */
    48 function test_scroll(element, scroll, scrollMax, is_overflow) {
    50   is(element[scroll], 0, element.id + " initial " + scroll + " != 0");
    51   if (is_overflow) {
    52     isnot(element[scrollMax], 0, element.id + " " + scrollMax + " == 0");
    53   } else {
    54     is(element[scrollMax], 0, element.id + " " + scrollMax + " != 0");
    55   }
    57   element[scroll] = 10;
    58   if (is_overflow) {
    59     isnot(element[scroll], 0, element.id + " unable to scroll " + scroll);
    60   } else {
    61     is(element[scroll], 0, element.id + " able to scroll " + scroll);
    62   }
    64   element[scroll] = element[scrollMax];
    65   is(element[scroll], element[scrollMax], element.id + " did not scroll to " + scrollMax);
    67   element[scroll] = element[scrollMax] + 10;
    68   is(element[scroll], element[scrollMax], element.id + " scrolled past " + scrollMax);
    69 }
    71 var no_overflow = document.getElementById("no-overflow");
    72 test_scroll(no_overflow, "scrollLeft", "scrollLeftMax", /* is_overflow */ false);
    73 test_scroll(no_overflow, "scrollTop", "scrollTopMax", /* is_overflow */ false);
    75 var overflow = document.getElementById("overflow");
    76 test_scroll(overflow, "scrollLeft", "scrollLeftMax", /* is_overflow */ true);
    77 test_scroll(overflow, "scrollTop", "scrollTopMax", /* is_overflow */ true);
    79 </script>
    80 </pre>
    81 </body>
    82 </html>

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