单元测试--MOCK静态方法

@RunWith(PowerMockRunner.class)@PrepareForTest(A.class)public class Test {private B b = new B();    @Test(expected = IllegalStateException.class)    public void testIOException() throws Exception {   PowerMockito.mockStatic(A.class);   PowerMockito.when(A.method()).thenThrow(new IOException());   b.service();    }}