[Webkit-unassigned] [Bug 16657] New: Acid3 expects empty table caption to produce (!table.caption == false)

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=16657

           Summary: Acid3 expects empty table caption to produce
                    (!table.caption == false)
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: bdakin at apple.com


Acid3 expects empty table caption to produce (!table.caption == false)

Likewise an empty tHead to produce (!table.tHead == false)

These both evaluate to empty strings in WebKit when set, but set to empty. 
We'll have to check other browsers to see what they do (or check the spec(s).

    function () {
      // test 65: construct a table, and see if the table is as expected
      var ok = true;
      var table = document.createElement('table');
      table.appendChild(document.createElement('tbody'));
      var tr1 = document.createElement('tr');
      table.appendChild(tr1);
      table.appendChild(document.createElement('caption'));
      table.appendChild(document.createElement('thead'));
      // <table><tbody/><tr/><caption/><thead/>
      table.insertBefore(table.firstChild.nextSibling, null); // move the <tr/>
to the end
      // <table><tbody/><caption/><thead/><tr/>
      table.replaceChild(table.firstChild, table.lastChild); // move the
<tbody/> to the end and remove the <tr>
      // <table><caption/><thead/><tbody/>
      var tr2 = table.tBodies[0].insertRow(0);
      // <table><caption/><thead/><tbody><tr/></tbody>
      if ((table.tBodies[0].rows[0].rowIndex != 0) ||
          (table.tBodies[0].rows[0].sectionRowIndex != 0) ||
          (table.childNodes.length != 3) ||
          (!table.caption) ||
          (!table.tHead) ||
          (table.tFoot) ||
          (table.tBodies.length != 1) ||
          (table.rows.length != 1))
        ok = false;
      if (tr1.parentNode)
        ok = false;
      if ((table.caption != table.createCaption()) ||
          (table.tFoot != null) ||
          (table.tHead != table.createTHead()))
        ok = false;
      if (table.createTFoot() != table.tFoot)
        ok = false;
      // either: <table><caption/><thead/><tbody><tr/></tbody><tfoot/>
      //     or: <table><caption/><thead/><tfoot/><tbody><tr/></tbody>
      table.tHead.appendChild(tr1);
      // either:
<table><caption/><thead><tr/></thead><tbody><tr/></tbody><tfoot/>
      //     or:
<table><caption/><thead><tr/></thead><tfoot/><tbody><tr/></tbody>
      if ((table.rows[0] != table.tHead.firstChild) ||
          (table.rows.length != 2) ||
          (table.rows[1] != table.tBodies[0].firstChild))
        ok = false;
      if (ok)
        return 5;
    },


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