Test Case sc3.2.4_l2_016: Graphical components (img) don't have same text equivalents.

Formal Metadata

Formal Metadata
TitleGraphical components (img) don't have same text equivalents.
DescriptionTwo documents, each containing a graphical link.
CreatorBenToWeb (johannes.koch@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2005-08-25
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: http://www.w3.org/TR/1999/REC-html401-19991224/struct/objects.html#edef-IMG.

Test Data

Purpose

The test is intended to fail because the img elements in both test files don't have the same text equivalent.

Expert Guidance

Check whether components that have the same functionality within the given set of Web Units are identified consistently.

Test Modes

Accessibility expert.

Test Files

The test files must be inspected in the order defined below.

  1. Test file 1
  2. Test file 2

TCDL Data

sc3.2.4_l2_016 (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 168: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#consistent-behavior-consistent-functionality.

The test case fails the following success criterion at line 7, column 179: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#consistent-behavior-consistent-functionality.

Functional Outcome

Graphical components don't have same text equivalent.

Technical Comment

The img elements' alt attributes are not the same.

This test case maps to failure F31: Failure of SC 3.2.4 due to using two different labels for the same function on different Web pages within a set of Web pages

Secondary Rules

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

The test case fails the following success criterion at line 7, column 168: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#consistent-behavior-consistent-functionality.

The test case fails the following success criterion at line 7, column 179: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#consistent-behavior-consistent-functionality.

Functional Outcome

Graphical components don't have same text equivalent.

Technical Comment

The img elements' alt attributes are not the same.

Online version: sc3.2.4_l2_016.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 7, column 168: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#consistent-behavior-text-equivalents.

The test case fails the following success criterion at line 7, column 179: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#consistent-behavior-text-equivalents.

Functional Outcome

Graphical components don't have same text equivalent.

Technical Comment

The img elements' alt attributes are not the same.