Test Case sc2.3.1_l1_009: Content should not cause seizures due to photosensitivity

Formal Metadata

Formal Metadata
TitleContent should not cause seizures due to photosensitivity
Description Document containing a flashing background-image that has been included by using the CSS property background.
CreatorBenToWeb (daniela.ortner@…)
RightsCopyright BenToWeb 2005-2007
LanguageEnglish
Date2006-10-23
Statusaccepted QA

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

Feature: background.

Technical specification: Background properties: background-color, background-image, background-repeat, background-attachment, background-position, and background .

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

The document is intended to fail because it contains content that violates the red flash threshold.

Test Modes

Accessibility expert.

Test Files

Test file.

TCDL Data

sc2.3.1_l1_009 (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 7, column 19: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#seizure-does-not-violate.

Functional Outcome

Content may cause seizures due to photosensitivity.

Technical Comment

CSS property background is used to include image with flashing content violating the red flash threshold.

Secondary Rules

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 7, column 19: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#flicker-does-not-violate.

Functional Outcome

Content may cause seizures due to photosensitivity.

Technical Comment

CSS property background is used to include image with flashing content violating the red flash threshold.

Secondary Rule

The test case fails the following success criterion at line 7, column 19: URL unknown!.

Functional Outcome

Content may cause seizures due to photosensitivity.

Technical Comment

CSS property background is used to include image with flashing content violating the red flash threshold.