#| Copyright 2024 Peter McGoron
 |
 | Licensed under the Apache License, Version 2.0 (the "License");
 | you may not use this file except in compliance with the License.
 | You may obtain a copy of the License at
 |
 |     http://www.apache.org/licenses/LICENSE-2.0
 |
 | Unless required by applicable law or agreed to in writing, software
 | distributed under the License is distributed on an "AS IS" BASIS,
 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | See the License for the specific language governing permissions and
 | limitations under the License.
 |#
(import (mcgoron iterator list))

(let ((itr (list-iterator-start '())))
  (test-begin "empty list")
  (test-assert "iterator-at-start?" (iterator-at-start? itr))
  (test-assert "iterator-at-end?" (iterator-at-end? itr))
  (test-assert "iterator-advance 1" (not (iterator-advance itr 1)))
  (test-assert "iterator-advance -1" (not (iterator-advance itr -1)))
  (test "iterator->index" 0 (iterator->index itr))
  (test-assert "iterator=?" (iterator=? itr (list-iterator-end '())))
  (test-error "iterator-ref" (iterator-ref itr))
  (test-end "empty list"))

(let* ((lst '(1 2))
       (itr (list-iterator-start lst)))
  ()
  )