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