Test Case sc3.2.2_l1_005: Change of user agent when changing the setting of a checkbox

Formal Metadata

Formal Metadata
TitleChange of user agent when changing the setting of a checkbox
DescriptionDocument containing a checkbox; when the checkbox state changes a MIDI file is loaded with an external player.
CreatorBenToWeb (johannes.koch@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2005-08-25
Statusvalidated

Technologies and Features

Technologies are markup languages or data formats. If the technology is a markup language, “features” refers to elements and attributes.

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition)

Feature: input (namespace: http://www.w3.org/1999/xhtml) .

Technical specification: http://www.w3.org/TR/1999/REC-html401-19991224/interact/scripts.html#adef-onchange.

Test Data

Purpose

The test is intended to fail because a change in checkbox state changes the user agent.

Expert Guidance

Check whether there is any change of context caused by a change of any form control or field setting.

Test Modes

Accessibility expert.

Test Files

Test file.

TCDL Data

sc3.2.2_l1_005 (XML).

Rules

“Rules” refer to success criteria in WCAG 2.0, checkpoints in WCAG 1.0 and similar requirements.

Primary Rules

The test case fails the following success criterion at line 10, column 105: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#consistent-behavior-unpredictable-change.

Functional Outcome

An external player is unexpectedly activated when the user changes the setting of a checkbox.

Technical Comment

The JavaScript in the onchange attribute causes the browser to load a resource, that the browser is not able to handle natively.

This test case maps to failure F37: Failure of SC 3.2.2 due to launching a new window without prior warning when the status of a radio button, check box or select list is changed

Secondary Rules

Secondary Rule (WCAG 2.0 - April 2006 Working Draft (Last Call))

The test case fails the following success criterion at line 10, column 105: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#consistent-behavior-unpredictable-change.

Functional Outcome

Change of user agent onchange.

Technical Comment

The JavaScript in the onchange attribute causes the browser to load a resource, that the browser is not able to handle natively.

Online version: sc3.2.2_l1_005.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case fails the following success criterion at line 10, column 105: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#consistent-behavior-unpredictable-change.

Functional Outcome

Change of user agent onchange.

Technical Comment

The JavaScript in the onchange attribute causes the browser to load a resource, that the browser is not able to handle natively.