Concurrency testing is a type of software testing that checks the performance of software when multiple users are logged in and perform actions simultaneously. Hence, it is also referred to as multi-user testing.
Concurrency testing is challenging to conduct compared to sequential testing, due to the following three problems:
synchronization problems
non-determinism
time-related defects difficult to detect
Concurrency testing mainly monitors the system for deadlocking, locking, and single-threaded code.
Some common methods for performing concurrency testing include the following:
Fuzz Test: The tester inserts incorrect random data and monitors the system’s response.
Random Test: Multiple strands are tested simultaneously by randomizing the test inputs.
Code Review: The testers verify the code and its structures.
Static Analysis: The tester checks the coding system before the code’s execution.
Some benefits of concurrency testing include the following:
Some drawbacks of concurrency testing include the following:
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