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(in-package :com.lisp-algo.test)
;;; Utils
(defun get-row (array &optional (row-id 0))
(let* ((row-size (array-dimension array 1)) ; Deduce row size from array
(row (make-array row-size :fill-pointer 0))) ; Initialize a new vector (which will contain the row row-id from array)
;; Fill row with the right values of array
(do ((cur-id 0 (+ cur-id 1)))
((>= cur-id row-size) row)
(vector-push (row-major-aref array (+ cur-id (* row-size row-id ))) row))))
;;; Test create network
(define-test create-network-test ()
;; ----- Length tests
(dotimes (nw-size 1000)
(assert-equal nw-size (length (qf-create-network nw-size))) ; Quick-Find
(assert-equal nw-size (length (qu-create-network nw-size))) ; Quick-Union
;; Weighted-Quick-Union
(assert-equal 10 (length (get-row (wqu-create-network 10) 0)))
(assert-equal 10 (length (get-row (wqu-create-network 10) 1)))
;; Weighted-Quick-Union with Path Compression
(assert-equal 10 (length (get-row (wqupc-create-network 10) 0)))
(assert-equal 10 (length (get-row (wqupc-create-network 10) 1))))
;; ----- Value tests
(assert-equalp #(0 1 2 3 4) (qf-create-network 5)) ; Quick-Find
(assert-equalp #(0 1 2 3 4) (qu-create-network 5)) ; Quick-Union
;; Weighted-Quick-Union
(assert-true (equalp #(0 1 2 3 4 5 6 7 8 9) (get-row (wqu-create-network 10) 0)))
(assert-true (equalp (make-array 10 :initial-element 1) (get-row (wqu-create-network 10) 1)))
;; Weighted-Quick-Union with Path Compression
(assert-true (equalp #(0 1 2 3 4 5 6 7 8 9) (get-row (wqupc-create-network 10) 0)))
(assert-true (equalp (make-array 10 :initial-element 1) (get-row (wqupc-create-network 10) 1))))
;; (define-test test-union_
;; (let ((nw (create-network 10)))
;; (setf nw (union_ nw 1 2))
;; (setf nw (union_ nw 0 5))
;; (assert-equal (aref nw 1) (aref nw 2))
;; (assert-equal (aref nw 0) (aref nw 5))
;; (assert-false (equal (aref nw 0) (aref nw 8)))
;; (assert-false (equal (aref nw 0) (aref nw 2)))))
;; (define-test test-connected
;; (let ((nw (create-network 10)))
;; (setf nw (union_ nw 1 2))
;; (setf nw (union_ nw 0 5))
;; (assert-true (connected nw 1 2))
;; (assert-true (connected nw 0 5))
;; (assert-false (connected nw 0 8))
;; (assert-false (connected nw 0 2))))
;; (define-test test-nunion__
;; (let ((nw (create-network 10)))
;; (nunion_ nw 1 2)
;; (nunion_ nw 0 5)
;; (assert-equal (aref nw 1) (aref nw 2))
;; (assert-equal (aref nw 0) (aref nw 5))
;; (assert-false (equal (aref nw 0) (aref nw 8)))
;; (assert-false (equal (aref nw 0) (aref nw 2)))))
;; ;; Run all tests
;; (setq *print-summary* t) ; Details tests locations when running tests
;; (run-tests :all)
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