[Webkit-unassigned] [Bug 248321] New: Wrong overflow behavior for input fields containing ::-webkit-textfield-decoration-container in vertical writing-mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248321

            Bug ID: 248321
           Summary: Wrong overflow behavior for input fields containing
                    ::-webkit-textfield-decoration-container in vertical
                    writing-mode
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ntim at apple.com
                CC: cdumez at apple.com, wenson_hsieh at apple.com
            Blocks: 245355

STR:
- Enable VerticalFormControlsEnabled
- Visit one of these URLs:

data:text/html,<input type="search" style="writing-mode: vertical-lr">

or

data:text/html,<input type="number" style="writing-mode: vertical-lr">

or

data:text/html,<input type="password" style="writing-mode: vertical-lr">

- Type in the input until it overflows

AR:
- The number spinner overflows out of the input
- When you type even more on a page that has overflow, the page starts scrolling as you type (try it on https://bugs.webkit.org/attachment.cgi?id=463717)

Tests should be added for both of these items, both can probably be WPT:
- First one could be tested using a reftest
- Second one could test that the scroll position is stable


Referenced Bugs:

https://bugs.webkit.org/show_bug.cgi?id=245355
[Bug 245355] Vertical writing-mode support for form controls
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