Test Case sc2.3.1_l1_002: Image that violates general flash threshold

Formal Metadata

Formal Metadata
TitleImage that violates general flash threshold
DescriptionDocument containing a single image with flashing content that violates the general flash threshold. The image is an animated GIF with an endless loop, included by means of an img element.
CreatorBenToWeb (Reinhard.Ruemer@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2006-10-23
Statusvalidated

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)

Feature: img (namespace: http://www.w3.org/1999/xhtml) .

Technical specification: Including an image: the img element .

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

This test case is intended to fail because it contains content that violates the general flash threshold.

Test Modes

Accessibility expert.

Test Files

Test file.

TCDL Data

sc2.3.1_l1_002 (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 13: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#seizure-does-not-violate.

Functional Outcome

Content may cause seizures due to photosensitivity.

Technical Comment

This test case does not map to a WCAG 2.0 technique or failure.

The techniques G15: Ensuring that content does not violate the general flash threshold or red flash threshold, and G19: Ensuring that no component of the content flashes more than three times in any 1-second period are not used.

Secondary Rules

Secondary Rule (WCAG 2.0 - April 2006 Working Draft (Last Call))

The test case fails the following success criterion at line 9, column 13: 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

Online version: sc2.3.1_l1_002.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 9, column 13: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#flicker-does-not-violate.

Functional Outcome

Content may cause seizures due to photosensitivity.

Secondary Rule

The test case fails the following success criterion at line 9, column 12: URL unknown!.

Functional Outcome

Content may cause seizures due to photosensitivity.

Technical Comment

img element is used to include image with flashing content violating the general flash threshold.