What do u mean by Top down approach and Bottom up approach?
How will u implement these in u r project ?
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Answer Posted / manish1808
Integration testing is mainly of 2 types-big bang approach
and incremental approach.
In Big Bang Approach all modules of the application are
integrated together and then tested.In incremental approach,
modules are added one by one using top-down approach or
bottom-up approach or sometimes a mix type of approach is
used called sandwitch integration.In top down
approach,integration starts from the main module and then
sub modules are added in depth first or breadth first
manner....(i hope u guys know that).As all other modules
are not available...dummy modules are used which are called
stubs....In bottom-up approach integration starts from the
lowest level and as the processing required from the
subsequent level is already available,stubs are not reqd.
but main module is not there...hence driver is used which
is a dummy main module.
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