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From Automated WCAG Monitoring Community Group
Status
Draft
Contents
Description
This test checks that the alt attribute and the body-text of <applet> elements are equal and provide sufficient descriptions.
Background
Assumptions
Test properties
| Property | Possible values |
|---|---|
| Success Criterion | 1.1.1 Non-text Content |
| Test mode | SemiAuto |
| Test environment | rendered page |
| Test subject | web page state |
Test procedure
Selector
Test mode:
earl:automatic
//img[not(@alt="")]
Step 1
Test mode:
earl:automatic
Check if the alt attribute value is a filename or an URL
if yes, return
| Property | Value |
|---|---|
| TestCase | SC1-1-1-applet-nonempty-alt |
| Identifier | SC1-1-1-applet-nonempty-alt-fail1 |
| Outcome | failed |
| ErrorMessage | ALT attribute value is a filename or URL |
| Pointer | position |
| Info |
else continue with #Step 2
Step 2
Test mode:
earl:automatic
Check if the alt attribute value is Non-empty, as defined (contain 2 or more characters that are not white space characters or punctionmarks).
if yes, return
| Property | Value |
|---|---|
| TestCase | SC1-1-1-applet-nonempty-alt |
| Identifier | SC1-1-1-applet-nonempty-alt-fail2 |
| Outcome | failed |
| ErrorMessage | ALT attribute value is not sufficiently descriptive. |
| Pointer | position |
| Info | ALT attribute value does not contain 2 or more characters that are not white space characters or punctionmarks. |
else continue with #Step 3
Step 3
Test mode:
earl:automatic
Check if the alt attribute value differs from applet body text.
if yes, return
| Property | Value |
|---|---|
| TestCase | applet-nonempty-alt |
| Identifier | applet-nonempty-alt–fail3 |
| Outcome | failed |
| ErrorMessage | ALT attribute value and body text differ. |
| Pointer | position |
| Info |
else continue with #Step 4