Test Case sc3.2.5_l3_001: Change of user agent when a link is activated

Formal Metadata

Formal Metadata
TitleChange of user agent when a link is activated
DescriptionDocument containing a link to a MIDI file; when the link is activated, an external player is opened.
CreatorBenToWeb (johannes.koch@…)
RightsCopyright BenToWeb 2004-2007
LanguageEnglish
Date2005-08-29
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: a (namespace: http://www.w3.org/1999/xhtml) .

Technical specification: http://www.w3.org/TR/1999/REC-html401-19991224/struct/links.html#adef-href.

Test Data

Purpose

This test case is intended to fail because the change of user agent was not expected.

Expert Guidance

Test Modes

Accessibility expert.

Test Files

Test file.

TCDL Data

sc3.2.5_l3_001 (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 8, column 53: http://www.w3.org/TR/2007/WD-WCAG20-20070517/Overview.html#consistent-behavior-no-extreme-changes-context.

Functional Outcome

The user initiated the change of context, but did not expect it to be connected to the user's action.

Technical Comment

This test case maps to failure F22: Failure of SC 3.2.5 due to opening windows that are not requested by the user. (Example 2 for that failure says: "A user clicks on a link, and a new window appears. The original link has no associated text saying that it will open a new window.")

Note that success criterion 3.2.2, which allows certain changes of context of instructions are provided first, is not relevant here, because it applies to form controls instead of links.

Secondary Rules

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

The test case fails the following success criterion at line 8, column 53: http://www.w3.org/TR/2006/WD-WCAG20-20060427/guidelines.html#consistent-behavior-no-extreme-changes-context.

Functional Outcome

The user initiated the change of context, but did not expect it to be connected to the user's action.

Technical Comment

This test case maps to failure F22: Failure of SC 3.2.5 due to opening windows that are not requested by the user (http://www.w3.org/TR/2006/WD-WCAG20-TECHS-20060427/Overview.html#F22). (Example 2 for that failure says: "A user clicks on a link, and a new window appears. The original link has no associated text saying that it will open a new window.")

Note that success criterion 3.2.2, which allows certain changes of context of instructions are provided first, is not relevant here, because it applies to form controls instead of links.

Online version: sc3.2.5_l3_001.

Secondary Rule (WCAG 2.0 - June 2005 Working Draft)

The test case passes the following success criterion: http://www.w3.org/TR/2006/WD-WCAG20-20050630/#consistent-behavior-no-extreme-changes-context.

Functional Outcome

The user initiated the change of context.

Technical Comment

The user activated the link, which initiated a change of user agent.