DRAFT DOCUMENT

This is a draft document supplied by the WCAG Techniques Task Force. It in no way represents a WCAG Working Group consensus or agreement and is provided for informational and discussion purposes only. The accessibility test listed below should not be construed as required for conformance with the proposed WCAG2.

HTML Test Suite for WCAG 2.0
Test 65 - Alt text for all `area` elements identifies the link destination.

W3C Editor's Draft 2005-08-11

Editors:: Chris Ridpath, ATRC, University Of Toronto; Jenae Andershonis, Microsoft Inc.

Abstract

This test case was created by the ATRC at the University Of Toronto. It should not be construed as required for conformance with the proposed WCAG2.

The complete list of tests may be found at http://www.w3.org/WAI/GL/WCAG20/tests/

Comments on this test may be made to the WCAG mailing list.

Status Of This Test

As part of the conformance test process, this test has a status of 'accepted'.

WCAG2 Guideline

Guideline: 3.2 - Make the placement and functionality of content predictable.
Success Criteria: consistent-behavior-target-identified

Level 2

The WCAG2 has 3 priority levels for making Web content accessible. This test has a priority of 'Level 2'.

Techniques

The WCAG Working Group has created techniques that describe how Web content may be made accessible. The following techniques are related to this test:

Text alternatives for client-side image maps

Prerequisite Tests

The following tests must be run before running this test. If any of the prerequisite tests fail then this test is invalid and should not be run.

All area elements have an alt attribute.

Test Process

Procedure

Check the alt attribute value of each area element.

Expected Results

Alt text for all area elements identifies the link destination.

Fail Instructions

Modify the alt attribute value so it identifies the destination of the link.

Pass Instructions

Any accessibility check may be performed after this test.

Test Files

These test files contain examples of the accessibility problem detectable by this test. They may also contain more accessibility problems than the one described in this test. Please ignore any extraneous accessibility problems in these files.

65-1.html Will fail the test. (Alt text does not identify the link destination.)

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>OAC Testfile - Check #65 - Positive</title> </head> <body> <img src="library.gif" usemap="#map1" alt="Image map of areas in the library" /> <map id="map1" name="map1"> <area shape="rect" coords="0,0,50,50" href="reference.html" alt="drawing of a blue book"/> </map> </body> </html>
65-2.html Will pass the test. (Alt text identifies the link destination.)

<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>OAC Testfile - Check #65 - Negative</title> </head> <body> <img src="library.gif" usemap="#map1" alt="Image map of areas in the library" /> <map id="map1" name="map1"> <area shape="rect" coords="0,0,50,50" href="reference.html" alt="reference section"/> </map> </body> </html>