@@ -0,0 +1,297 @@
+package me.haosdent.cgroup.subsystem;%0A%0Aimport org.junit.After;%0Aimport org.junit.Before;%0Aimport org.junit.Test;%0A%0Apublic class TestFreezer %7B%0A%0A  @Before%0A  public void setUp() %7B%7D%0A%0A  @After%0A  public void tearDown() %7B%7D%0A%0A  @Test%0A  public void testSetState() %7B%7D%0A%0A  @Test%0A  public void testGetState() %7B%7D%0A%7D%0A

Add freezer subsystem test class.