source: class CPUDataProviderTest {
  
  	@Test
  	public void testGetSystemCpuLoad() {
  
target: 		double load = CPUDataProvider.getSystemCpuLoad();
  		int timeout = 3000;
  		long startTime = System.currentTimeMillis();
  		// may get -1 returned before MXBeans are initialized, allow time for a
  		// real value to be returned
  		while (System.currentTimeMillis() - timeout < startTime && load == -1d) {
  			load = CPUDataProvider.getSystemCpuLoad();
  		}
  		double process = CPUDataProvider.getProcessCpuLoad();
  		startTime = System.currentTimeMillis();
  		// may get -1 returned before MXBeans are initialized, allow time for a
  		// real value to be returned
  		while (System.currentTimeMillis() - timeout < startTime && process == -1d) {
  			process = CPUDataProvider.getProcessCpuLoad();
  		}
  		assertTrue("CPU load should be greater than 0, was " + load, load >= 0.0d);
  		assertTrue("CPU load should be less than 1 (i.e. less than 100%), was " + load, load <= 1d);
  	}
  
  }