W3C

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 193 - Alt text for all input elements with a type attribute value of "image" contains all non decorative text in the image.

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: 1.1 - Provide text alternatives for all non-text content.
Success Criteria: 1. For all non-text content that is used to convey information, text alternatives identify the non-text content and convey the same information. For multimedia , provide a text-alternative that identifies the multimedia. Refer to guideline 1.2 for requirements for synchronized alternatives for multimedia. How to provide text alternatives for content that conveys information . (Informative)

Level 1

The WCAG2 has 3 priority levels for making Web content accessible. This test has a priority of 'Level 1'.


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:


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.


Test Process

Procedure

  1. For each input element that has a type attribute value of "image", check if the associated image contains any text.
  2. If the image contains text, check if the text is decorative.
  3. Note: For this content, "decorative" is defined as "content that does not provide information, functionality, sensory experience and is neither multimedia nor time-dependent interactive".

Expected Results

  1. Alt text for all input elements with a type attribute value of "image" contains all non decorative text in the image.

Fail Instructions

  1. Modify the Alt text so it contains any non decorative text within the image.

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.

Valid XHTML 1.0!