test_splitter_sibling.xhtml

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<?xml version="1.0"?>

<?xml-stylesheet href="chrome://global/skin" type="text/css"?>

<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>

<?xml-stylesheet href="data:text/css, hbox { border: 1px solid red; } vbox { border: 1px solid green }" type="text/css"?>

<window title="XUL splitter resizebefore/after tests"

        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"

        orient="horizontal">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>

  <body xmlns="http://www.w3.org/1999/xhtml">

  </body>

  <hbox style="width: 200px; height: 200px; direction: ltr; display: none">

    <vbox style="height: 200px; width: 40px" />

    <splitter id="ltr-splitter-before" style="width: 5px" resizebefore="sibling" resizeafter="none"/>

    <vbox style="height: 200px;" flex="1"/>

  </hbox>

  <hbox style="width: 200px; height: 200px; direction: rtl; display: none">

    <vbox style="height: 200px; width: 40px" />

    <splitter id="rtl-splitter-before" style="width: 5px" resizebefore="sibling" resizeafter="none"/>

    <vbox style="height: 200px;" flex="1"/>

  </hbox>

  <hbox style="width: 200px; height: 200px; direction: ltr; display: none">

    <vbox style="height: 200px;" flex="1"/>

    <splitter id="ltr-splitter-after" style="width: 5px" resizeafter="sibling" resizebefore="none"/>

    <vbox style="height: 200px; width: 40px" />

  </hbox>

  <hbox style="width: 200px; height: 200px; direction: rtl; display: none">

    <vbox style="height: 200px;" flex="1"/>

    <splitter id="rtl-splitter-after" style="width: 5px" resizeafter="sibling" resizebefore="none"/>

    <vbox style="height: 200px; width: 40px" />

  </hbox>

  <script><![CDATA[

    async function dragSplitter(splitter, offsetX) {

      info(`Dragging splitter ${splitter.id} to ${offsetX}`);

      const splitterRect = splitter.getBoundingClientRect();

      const splitterWidth = splitterRect.width;

      synthesizeMouse(splitter, splitterWidth / 2, 2, {type: "mousedown"});

      synthesizeMouse(splitter, splitterWidth / 2, 1, {type: "mousemove"});

      await new Promise(SimpleTest.executeSoon);

      is(splitter.getAttribute("state"), "dragging", "The splitter should be dragged");

      synthesizeMouse(splitter, offsetX, 1, {type: "mousemove"});

      synthesizeMouse(splitter, offsetX, 1, {type: "mouseup"});

      await new Promise(SimpleTest.executeSoon);

      const newSplitterRect = splitter.getBoundingClientRect();

is(

        offsetX > 0,

        newSplitterRect.left > splitterRect.left,

        `Should move in the right direction ${splitterRect.left} -> ${newSplitterRect.left}, ${offsetX}`

);

    add_task(async function() {

      for (let splitter of document.querySelectorAll("splitter")) {

        info(`Testing ${splitter.id}`);

        splitter.parentNode.style.display = "";

        const isBefore = splitter.getAttribute("resizebefore") == "sibling";

        const isRtl = getComputedStyle(splitter).direction == "rtl";

        const resizableElement = isBefore ? splitter.previousElementSibling : splitter.nextElementSibling;

        const nonResizableElement = isBefore ? splitter.nextElementSibling : splitter.previousElementSibling;

        const oldWidth = resizableElement.getBoundingClientRect().width;

        await dragSplitter(splitter, 10);

        is(nonResizableElement.style.width, "", "Shouldn't have set width");

        isnot(resizableElement.style.width, "40px", "Should've changed width");

        const newWidth = resizableElement.getBoundingClientRect().width;

        info(`Went from ${oldWidth} -> ${newWidth}\n`);

        if (isRtl == isBefore) {

          ok(newWidth < oldWidth, "Should've shrunk");

        } else {

          ok(newWidth > oldWidth, "Should've grown");

        splitter.parentNode.style.display = "none";

});

   ]]></script>

</window>