Test Case xhtml1_wcag2_20050630_2.3_l2_sc1_010: Content should not cause seizures due to photosensitivity

Formal Metadata

Formal Metadata
TitleContent should not cause seizures due to photosensitivity
DescriptionDocument including flickering image via stylesheet (CSS: background: url()).
CreatorBenToWeb (sandor.herramhof@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2005-11-21
Statusdraft

Technologies and Features

Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

CSS 2.0 Specification

CSS 2.0 Specification

ITC Guidance Note for Licensees on Flashing Images and Regular Patterns in Television

ITC Guidance Note for Licensees on Flashing Images and Regular Patterns in Television

Test Data

Purpose

Document is intended to fail, because it includes content that violates the general flash threshold. Flickering content is tested.

Test Modes

Test Files

Test file.

TCDL Data

xhtml1_wcag2_20050630_2.3_l2_sc1_010 (XML).

Rules

“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.

Primary Rules

The test case fails the following success criterion at line 9, column 4: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#flicker-does-not-violate.

Functional Outcome

Content potentially causes seizures due to photosensitivity.

Technical Comment

CSS background-image element includes flickering animated gif

Secondary Rules

Secondary Rule

The test case fails the following success criterion at line 9, column 4: URL unknown!.

Functional Outcome

Content potentially causes seizures due to photosensitivity.

Technical Comment

CSS background-image element includes flickering animated gif