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SC3-1-1-xml-lang
From Automated WCAG Monitoring Community Group
This test belongs to 3.1.1 Language of Page.
Status
Previous versions
Contents
Description
This test checks the value of the xml:lang attribute.
Background
- H57: Using language attributes on the html element
- eGovMon test for H57
- BCP 47: Tags for the Identification of Languages
Assumptions
- Tests have shown that
xml:langis ignored by screenreaders. (Both Jaws 15 with FF and IE and NVDA with FF go by lang attribute, xml:lang is ignored.) This test identifies pages that use only thexml:langattribute.
Test properties
| Property | Possible values |
|---|---|
| Test name | Use identical xml:lang and lang attributes |
| Success Criterion | 3.1.1 Language of Page |
| Test mode | automatic |
| Test environment | DOM |
| Test subject | single web page |
| User expertise and skills | |
| User profile |
Test procedure
Selector
Test mode:
earl:automaticSelect <html> element with xml:lang attribute.
html[@xml:lang]
Step 1
Test mode:
earl:automaticCheck that the <html> element contains also a lang attribute.
If no lang is specified,
return
| Property | Value |
|---|---|
| TestCase | SC311-xml-lang |
| Identifier | SC311-xml-lang-fail1 |
| Outcome | failed |
| ErrorMessage | No lang attribute found. Only xml:lang. |
| Pointer | position |
| Info |
Step 2
Test mode:
earl:automaticL1 = value of xml:lang
L2 = value of lang
Compare L1 and L2.
If the L1 and L2 differ, return
| Property | Value |
|---|---|
| TestCase | SC311-xml-lang |
| Identifier | SC311-xml-lang-fail2 |
| Outcome | failed |
| ErrorMessage | Contradicting language codes. |
| Pointer | position |
| Info | L1, L2 |
Else, return
| Property | Value |
|---|---|
| TestCase | SC311-xml-lang |
| Identifier | SC311-xml-lang-pass1 |
| Outcome | passed |
| Pointer | position |
| Info |