         let diff = Diff(from: a, to: b)
         
         XCTAssert(diff.inserted.count == 0)
-        XCTAssert(diff.deleted == IndexSet(integersIn: 1...2))
+        XCTAssert(diff.deleted == IndexSet(1...2))
         XCTAssert(diff.movements.count == 0)
         XCTAssert(diff.matches == Set([DiffMatch(0)]))
     }

        XCTAssert(diff.movements == Set([DiffMatch(0, 1)]))
        XCTAssert(diff.matches == Set([DiffMatch(0, 1), DiffMatch(1, 0), DiffMatch(2, 2)]))
    }
}

        
        let diff = Diff(from: a, to: b)
        
        XCTAssert(diff.inserted == IndexSet(1...2))
        XCTAssert(diff.deleted.count == 0)
        XCTAssert(diff.movements.count == 0)
        XCTAssert(diff.matches == Set([DiffMatch(0)]))
