I've written a unit test which is very demanding on memory. It requires the
-Xmx2048m parameter, otherwise get a
Is there a way to check, from within the test, how much memory is allocated? It would be useful to write a test such as
TestsHaveEnoughMemory, and fail it with an explanatory error message that tells the user a memory parameter is required.
You can use the Runtime class to do that.
long total_memory = Runtime.getRuntime().totalMemory(); // Total available now long free_memory = Runtime.getRuntime().freeMemory(); // Free memory now long max_memory = Runtime.getRuntime().maxMemory(); // Max available ever