android - Difference between InstrumentationTestCase and AndroidTestCase -

android - Difference between InstrumentationTestCase and AndroidTestCase -

i've been looking @ answer: http://stackoverflow.com/a/2055455/281460 , great job of explaining different test classes available unit/integration testing in android. 1 thing not explain, though, difference between instrumentationtestcase , other test case classes, androidtestcase.

could shed lite on this?

from docs:

instrumentationtestcase

a test case has access instrumentation.

androidtestcase

extend if need access resources or other things depend on activity context.

androidtestcase pretty summarized via link posted. instrumentationtestcase higher class hierarchy activityinstrumentationtestcase2. it's heavier weight plain androidtestcase, exposes instrumentation object , no activity, limiting usefulness.

in reality, you'll never need class, because doesn't offer much (if any) performance advantage on activityinstrumentationtestcase2, offers access instrumentation object itself. in case, if want know can instrumentation object, check out this or this.

android unit-testing testing junit