The main source of information is the DejaGnu user guide by Rob Savoye [3]. The most useful section is the Unit Testing API, which lists all the procedures. Follow these instructions as closely a possible in order get a good insight into how DejaGnu works, else you might run into a lot of subtle problems. You have. DejaGnu uses the GNU autoconf to configure itself. For more info on using autoconf, read the GNU autoconf manual. To configure, execute the configure.

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It is important to understand two aspects of expect command behavior.

Command line option variables (DejaGnu)

The document entitled ” Howto: Using DejaGnu with autoconfautomake and libtool 5. On top of this DejaGnu defines a number of procedures which facilitate testing. PASS Indicates that a test has passed.

These examples assume a native configuration, where the same computer runs both runtest and the tests themselves. See section The files DejaGnu writes. Views Read View form View source View history. Used for tests which depend on some conditionally dehagnu feature. Even when buying packaged boards from vendors there are many differences.


So we should check for warnings or errors edjagnu we test for successful completion. Overview of DejaGnu 2. The runtest command 2.

Dejagnu – Free Software Directory

However substitutions will still occur within these braces, unlike standard TCL. By default, the expect command buffers up to bytes. Writing tests using expect. This application note is deliberately incomplete. To run tests from an existing collection, first use configure as usual to set up the source directory containing the tests.

Indicates that the output from a test needs manual inspection. Triggered by calling the unresolved procedure. Comprehensive documentation may be found in the mannual Exploring Expect by Don Libes [2].

DejaGnu will log the name of each file of expect code found in the test directory. Beyond this, DejaGnu offers several advantages for testing:.

Special copyright terms apply to that Appendix; see section Tcl Overview. Table of Contents 1.

runtest(1) – Linux man page

When you have a cross configuration, the tests run on a different computer, controlled by the host running runtest. In general it is only used to set variables that control manusl taste in output.


If GNU autotools autoconfautomake and libtool are being used to drive DejaGnu this file will be created automatically whenever make is run.

The expect command returns a result, which is the result of the body executed on a pattern match. This is a convenient place for quickly testing changes.

Indicates that a test which was expected to fail has passed. The paper is included in PostScript form in the expect distribution as are several other papers about expect. The first is to add support for more hosts and targets. It provides a layer of abstraction which makes all correctly mxnual tests portable to any host or target where a program must be tested.

However very large values down will slow down the pattern matcher.