code: @Test public void testInvalidConstruction() throws Exception {
    ConnectingIOReactor ioreactor=Mockito.mock(ConnectingIOReactor.class);
    try {
      new LocalSessionPool(null,1,1);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException expected) {
    }
    try {
      new LocalSessionPool(ioreactor,-1,1);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException expected) {
    }
    try {
      new LocalSessionPool(ioreactor,1,-1);
      Assert.fail("IllegalArgumentException should have been thrown");
    }
   catch (  IllegalArgumentException expected) {
    }
  }
  