[Webkit-unassigned] [Bug 156558] New: :in-range & :out-of-range CSS pseudo-classes shouldn't match inputs without range limitations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=156558

            Bug ID: 156558
           Summary: :in-range & :out-of-range CSS pseudo-classes shouldn't
                    match inputs without range limitations
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit at chrisrebert.com

Created attachment 276361
  --> https://bugs.webkit.org/attachment.cgi?id=276361&action=review
Testcase demonstrating the bug

Steps to reproduce the problem:
1. Open the attached testcase in WebKit Nightly on OS X or in iOS 9.3 Safari.
2. Observe the background-colors and borders of the <input>s

What is the expected behavior?
The inputs should have neither a red border nor a red background-color,
because they don't have range limitations ( https://html.spec.whatwg.org/multipage/forms.html#have-range-limitations ),
because they have neither `min` nor `max` attributes
and the HTML spec doesn't define a default minimum or maximum for any of these input types.
Therefore, these inputs should fail the 2nd of the 3 conditions required to match :in-range or :out-of-range .

Per https://html.spec.whatwg.org/multipage/scripting.html#selector-in-range
> The :in-range pseudo-class must match all elements that are [...], have range limitations, and [...]

What went wrong?
The inputs have red borders and/or red backgrounds, indicating that they matched the :in-range or :out-of-range pseudo-classes despite not having range limitations.

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