Automated Testing | 31
f
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industry rule of thumb is that a bug early, usually long before integration
that costs one pound to fix when first builds are available for execution, and
identified, costs a hundred pounds certainly well before traditional testing
to fix post-integration. Follow that activities. This is particularly useful in
further downstream to the end user, larger projects, where developers write
and expenditure can be huge. Imagine much of the code before they even
the cost of correcting the code in have a suitably integrated system that
Many open source and
thousands of devices that have been can be executed on the medical device.
commercial static analysis
shipped, or even more serious, a device For organisations developing mission
tools are available for
that cause a terrible failure in the field. critical embedded software, static
developers of embedded
Given that software drives many of source code analysis will help meet
these systems, manufacturers needs reliability and cost reduction demands.
systems. Allowing
to implement proper verification of This leads to fewer defects reaching
developers to run accurate,
their software. The required changes system integration, quality assurance fast analysis within the
in tools and processes are widely and field deployment.
implement/debug/
available and used in other mission- Many open source and commercial
critical software industries. static analysis tools are available
test cycle can maximise
Given the magnitude of the bug for developers of embedded
reliability and productivity
detection and removal challenge, systems. Allowing developers to run improvements. Recent
automation is an obvious solution. accurate, fast analysis within the
growth in the use of static
One method for automating code implement/debug/test cycle can
analysis has been most
inspection is static source code maximise reliability and productivity
analysis. It detects and identifies the improvements. Recent growth in the
evident in safety critical
structural deficiencies and weaknesses use of static analysis has been most software including medical
in software source code that can cause evident in safety critical software
devices in particular.
failures. Static analysis tools find bugs including medical devices in particular.
T.E.S.T | June 09 June 09 | T.E.S.T
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