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Building extremely large in-memory InputStream for testing purposes

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justin cater

Posts: 9507
Nickname: justin78
Registered: Mar, 2011

Justin Cater is executive editor at Java Code Geeks
Building extremely large in-memory InputStream for testing purposes Posted: Jul 24, 2014 2:26 AM
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For some reason I needed extremely large, possibly even infinite InputStream that would simply return the samebyte[] over and over. This way I could produce insanely big stream of data by repeating small sample. Sort of similar functionality can be found in Guava: Iterable<T> Iterables.cycle(Iterable<T>) and Iterator<T> Iterators.cycle(Iterator<T>). For example if you need an infinite source of 0 and 1, simply sayIterables.cycle(0, 1) and get 0, […]

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