return Process and exit code for exam TestContainer

gistfile1.txt

	protected void assertExitCode(TestContainer container, int expectedExitCode, int timeout, TimeUnit timeUnit) throws Exception {
	    Process process = getProcess(container);
	    Assert.assertTrue(process.waitFor(timeout, timeUnit));
	    Assert.assertEquals(expectedExitCode, process.exitValue());
	}

	protected Process getProcess(TestContainer container) {
		try {
			ForkedFrameworkFactory factory = getField(container, "frameworkFactory");
			DefaultJavaRunner runner = getField(factory, "javaRunner");
			return getField(runner,"m_frameworkProcess");
		} catch (Exception e) {
			throw new RuntimeException(e.getMessage(), e);
		}
	}

	@SuppressWarnings("unchecked")
	private <T> T getField(Object obj, String name) throws NoSuchFieldException, IllegalAccessException {
	    Field factoryField = obj.getClass().getDeclaredField(name);
	    factoryField.setAccessible(true);
	    return (T) factoryField.get(obj);
	}