@Test
public void testEquals() {
TupleDesc singleInt = new TupleDesc(new Type[] {Type.INT_TYPE});
TupleDesc singleInt2 = new TupleDesc(new Type[] {Type.INT_TYPE});
TupleDesc intString = new TupleDesc(new Type[] {Type.INT_TYPE, Type.STRING_TYPE});
// .equals() with null should return false
assertFalse(singleInt.equals(null));
// .equals() with the wrong type should return false
assertFalse(singleInt.equals(new Object()));
assertTrue(singleInt.equals(singleInt));
assertTrue(singleInt.equals(singleInt2));
assertTrue(singleInt2.equals(singleInt));
assertTrue(intString.equals(intString));
assertFalse(singleInt.equals(intString));
assertFalse(singleInt2.equals(intString));
assertFalse(intString.equals(singleInt));
assertFalse(intString.equals(singleInt2));
}
