SplitLevel { @Override public String toString() { return "SplitLevel[" + "level=" + level + ", orientation=" + orientation + ']'; } private  SplitLevel(int level); int getLevel(); Orientation getOrientation(); static SplitLevel valueOf(int level); @Override int hashCode(); @Override boolean equals(Object obj); @Override String toString(); static final SplitLevel ROOT; }
@Test @Disabled public void testToString() { System.out.println("toString"); SplitLevel instance = null; String expResult = ""; String result = instance.toString(); assertEquals(expResult, result); fail("The test case is a prototype."); }