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.
Copyright 2005, ATRC, University Of Toronto, All Rights Reserved. W3C liability, trademark, document use and software licensing rules apply.
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.
As part of the conformance test process, this test has a status of 'rejected'.
This test is not required for conformance to the current WCAG2. It is provided for discussion and informational purposes only.
There are no techniques related to this test.
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.
img element and compare its alt attribute value to its src attribute value.alt attribute value and the src attribute values are expected to be different.alt attribute value is appropriate.The following tests are related to this test and may be performed next. There is no requirement that these tests be performed:
img elements is not placeholder text.
img elements used as source anchors is not empty when there is no other text in the anchor.
img elements contains all text in the image unless the image text is decorative or appears elsewhere in the content.
img elements is the empty string ("") if the image is decorative.
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.
src attribute.)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #2 - Positive</title>
</head>
<body>
<img src="rex.jpg" alt="rex.jpg"/>
</body>
</html>
src attribute.)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>OAC Testfile - Check #2 - Negative</title>
</head>
<body>
<img src="rex.jpg" alt="photo of rex the cat"/>
</body>
</html>