585 

   585         long newMemoryMaxUsage = 0, newMemoryUsage = 0;

   586         byte[] bb = new byte[64*1024*1024]; // 64M

   586 

   587 

   587         // allocate memory in a loop and check more than once for new values

   588         long newMemoryMaxUsage = metrics.getMemoryMaxUsage();

   588         // otherwise we might see seldom the effect of decreasing new memory values

   589         long newMemoryUsage = metrics.getMemoryUsage();

   589         // e.g. because the system could free up memory

   590 

   590         byte[][] bytes = new byte[32][];

   591         if(newMemoryMaxUsage < memoryMaxUsage) {

   591         for (int i = 0; i < 32; i++) {

   592             fail(SubSystem.MEMORY, "getMemoryMaxUsage", newMemoryMaxUsage,

   592             bytes[i] = new byte[8*1024*1024];

   593                     memoryMaxUsage);

   593             newMemoryUsage = metrics.getMemoryUsage();

   594         }

   594             if (newMemoryUsage > memoryUsage) {

   595 

   595                 break;

   596         if(newMemoryUsage < memoryUsage) {

   596             }

   597             fail(SubSystem.MEMORY, "getMemoryUsage", newMemoryUsage, memoryUsage);

   597         }

   598         newMemoryMaxUsage = metrics.getMemoryMaxUsage();

   599 

   600         if (newMemoryMaxUsage < memoryMaxUsage) {

   601             fail(SubSystem.MEMORY, "getMemoryMaxUsage", memoryMaxUsage,

   602                     newMemoryMaxUsage);

   603         }

   604 

   605         if (newMemoryUsage < memoryUsage) {

   606             fail(SubSystem.MEMORY, "getMemoryUsage", memoryUsage, newMemoryUsage);