Asqatasun v4 - AccessiWeb 2.2 - Rule 5.7.4
Summary
This test consists in checking whether each cell associated with one or several headers is well-defined
Business description
Criterion : 5.7
Test : 5.7.4
Test description :
Does each cell (td or th tag) associated with one or several headers with an id attribute pass the conditions below?
- The cell has a headers attribute
- The headers attribute has the list of the values of the headers associated with the cell.
Level : Bronze
Technical description
Scope : page
Decision level : semidecidable
Algorithm
Selection
Set1 (table tags identified as data table from html markers)
All the table tags with an "id" attribute or a "class" attribute or a "role" attribute that matches one of the values set by the user through the "DATA_TABLE_MARKER" parameter AND with th child tags.
Set2 (table tags not identified as data table from html markers)
All the table tags that don't have an "id" attribute or a "class" attribute or a "role" attribute that matches one the values set by the use through the "PRESENTATION_TABLE_MARKER" parameter or the "DATA_TABLE_MARKER" parameter AND with th child tags. That means select all the table tags of the page when these parameters are empty.
Process
Test1
For each occurence of Set1, raise a MessageA
Test2
For each occurence of Set2, raise a MessageB
MessageA : Check the definition of headers for data tables
- code :CheckDefinitionOfHeaderForDataTable
- status: NMI
- parameter : snippet
- present in source : yes
MessageB : Check the nature of table and the definition of headers for data tables
- code :CheckNatureOfTableAndHeadersDefinition
- status: NMI
- parameter : snippet
- present in source : yes
Analysis
NA :
Set1 AND Set2 are empty (The page has no table tag with th child tags or only tables identified as presentation table)
**NMI :
**
In all other cases
Notes
We only detect the elements of the scope of the test to determine whether the test is applicable