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Status
Draft
Contents
Description
This test checks that there are alt attributes in all img elements where those are needed (if it is a rendered image).
Background
Assumptions
This test makes no assumptions.
Test properties
| Property | Possible values |
|---|---|
| Success Criterion | 1.1.1 Non-text Content |
| Test mode | automatic |
| Test environment | rendered page |
| Test subject | single web page |
Test procedure
Selector
Test mode:
earl:automatic
Select the img element.
Step 1
Test mode:
earl:automatic
- If the img element is not rendered
- Return SC111-img-altpass
| Property | Value |
|---|---|
| TestCase | SC111-img-alt |
| Identifier | SC111-img-altpass |
| Outcome | passed |
| Pointer | position |
| Info | Alt attribute not needed for img is not rendered. |
Step 2
Test mode:
earl:automatic
- If the img element does not contain an alt attribute
- Return SC111-img-altfail
| Property | Value |
|---|---|
| TestCase | SC111-img-alt |
| Identifier | SC111-img-altfail |
| Outcome | failed |
| ErrorMessage | Img element has no alt attribute |
| Pointer | position |
| Info |
- Else
- Return SC111-img-altcanttell
| Property | Value |
|---|---|
| TestCase | SC111-img-alt |
| id | SC111-img-altcanttell |
| Outcome | cantTell |
| ErrorMessage | Human input required |
| Pointer | position |
| Info | Unable to automatically check that the value of the alt attribute properly describes the image. |