LDRA Testbed
®
Set Analysis Example (GUI)
©2008 LDRA Ltd. LDRA Testbed Tutorial 67
Set Analysis Example (GUI)
This section of the tutorial describes usage of the set based analysis facilities, designed to enable
the testing of large systems of many source modules. A user without experience of LDRA Testbed
set based analysis is advised to follow the simple steps described in this tutorial to familiarise
themselves with the system.
Introduction to Set Based Analysis
The primary objectives of this set analysis facility is to aid System and Integration testing, and
enable batch analysis of many source files. Users are able to specify a set of source files which are
stored in an internal database and may be analysed by the LDRA Testbed as a single unit.
A set will be given the property of either:
• GROUP (default) - a set of files to be separately analysed in one run.
• SYSTEM - a set of interconnected files where integration testing is required.
For a set with a group property the analysis undertaken is exactly the same as if each file were run
separately through LDRA Testbed, with the standard individual results files being available, in
conjunction with an LDRA Testbed Analysis Scope Report that documents which files successfully
passed the analysis facilities selected.
For a set with a system property, LDRA Testbed analyses each file in turn through Static and
Complexity analysis. The results of these analyses are then processed by the LDRA Testbed
Qualsys System to optimise Global Data Flow and Global Cross Reference. Qualsys also produces
the System Integration Report. System/Integration Analysis is further enhanced by the
addition of system wide graphics displays which enables the user to access the full range of LDRA
Testbed graphics facilities for the system as a whole.
Systems and Groups Error Handling
The set property setting also directly affects LDRA Testbed’s reaction to error or implementation
limitation messages:
• Sets with a SYSTEM property will STOP analysis after the production of an error or
implementation restriction message. This is because LDRA Testbed’s internal expert system
relies on analysis results from each file in the set. Inconsistent or incomplete results cannot
be relied upon and therefore analysis will stop.
• Sets with a GROUP property will CONTINUE to analyse other files in the set if one or more
raise an error or implementation restriction message.
If you encounter an error message for a file in a set with a system property, you may find it useful
to change the property to group and re-start the analysis. This will enable the user to discover if any
other analysis issues will be raised in the analysis of the set before contacting LDRA.
The Example Source Files
The source files used in this tutorial are:
tbsdem1.c/cpp
tbsdem2.c/cpp
tbsdem3.c/cpp
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