2011-04-22 Xiaomei Ji <xji@chromium.org>

2011-04-22  Xiaomei Ji  <xji@chromium.org>

        Reviewed by Ryosuke Niwa.

        move caret by word in visual order returns wrong result when caret itself is at word boundary.
        https://bugs.webkit.org/show_bug.cgi?id=58504.

        Add test case to test moving left/right by word visually on every character position.
        Remove a specific test added before for testing a specific code path since the test case
        is covered now.

        * editing/selection/move-by-word-visually-expected.txt:
        * editing/selection/move-by-word-visually.html:
2011-04-22  Xiaomei Ji  <xji@chromium.org>

        Reviewed by Ryosuke Niwa.

        move caret by word in visual order returns wrong result when caret itself is at word boundary.
        https://bugs.webkit.org/show_bug.cgi?id=58504.

        positionBeforeNextWord should take care that the current position is after current word.
        positionAfterPreviousWord should take care that the current positin is before current word.

        * editing/visible_units.cpp:
        (WebCore::positionBeforeNextWord):
        (WebCore::positionAfterPreviousWord):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@84710 268f45cc-cd09-0410-ab3c-d52691b4dbfc