What is the bigbang approach in integration testing?

Answer Posted / raju

code for all the project modules is written first and no
testing is done till code for every module is written and
when code for all the modules is ready testing is done by
integrating all the modules at once.

here the problem is its difficult to find where the bug is
from whether it is from module level or interface level.

this approach is suitable for small sequential projects but
not for projects having many modules.

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