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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Sat Oct 12 19:41:14 2002
;;;; Contains: Tests on SUBSEQ
(in-package :cl-test)
(compile-and-load "subseq-aux.lsp")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; subseq, on lists
(deftest subseq-list.1
(subseq '(a b c d e) 0 0)
nil)
(deftest subseq-list.2
(subseq '(a b c) 0)
(a b c))
(deftest subseq-list.3
(subseq '(a b c) 1)
(b c))
(deftest subseq-list.4
(subseq-list.4-body)
t)
(deftest subseq-list.5
(subseq-list.5-body)
t)
(deftest subseq-list.6 ;; check that no structure is shared
(subseq-list.6-body)
t)
(deftest subseq-list.7
(let ((x (loop for i from 0 to 9 collect i)))
(setf (subseq x 0 3) (list 'a 'b 'c))
x)
(a b c 3 4 5 6 7 8 9))
(deftest subseq-list.8
(let* ((x '(a b c d e))
(y (copy-seq x)))
(setf (subseq y 0) '(f g h))
(list x y))
((a b c d e) (f g h d e)))
(deftest subseq-list.9
(let* ((x '(a b c d e))
(y (copy-seq x)))
(setf (subseq y 1 3) '(1 2 3 4 5))
(list x y))
((a b c d e) (a 1 2 d e)))
(deftest subseq-list.10
(let* ((x '(a b c d e))
(y (copy-seq x)))
(setf (subseq y 5) '(1 2 3 4 5))
(list x y))
((a b c d e) (a b c d e)))
(deftest subseq-list.11
(let* ((x '(a b c d e))
(y (copy-seq x)))
(setf (subseq y 2 5) '(1))
(list x y))
((a b c d e) (a b 1 d e)))
(deftest subseq-list.12
(let* ((x '(a b c d e))
(y (copy-seq x)))
(setf (subseq y 0 0) '(1 2))
(list x y))
((a b c d e) (a b c d e)))
;; subseq on vectors
(deftest subseq-vector.1
(subseq-vector.1-body)
t)
(deftest subseq-vector.2
(subseq-vector.2-body)
t)
(deftest subseq-vector.3
(subseq-vector.3-body)
t)
(deftest subseq-vector.4
(subseq-vector.4-body)
t)
(deftest subseq-vector.5
(subseq-vector.5-body)
t)
(deftest subseq-vector.6
(subseq-vector.6-body)
t)
(deftest subseq-vector.7
(let* ((x (make-array '(10) :initial-contents '(a b c d e f g h i j)))
(y (subseq x 2 8)))
(equal-array y (make-array '(6) :initial-contents '(c d e f g h))))
t)
(deftest subseq-vector.8
(let* ((x (make-array '(200) :initial-element 107
:element-type 'fixnum))
(y (subseq x 17 95)))
(and (eqlt (length y) (- 95 17))
(equal-array y
(make-array (list (- 95 17))
:initial-element 107
:element-type 'fixnum))))
t)
(deftest subseq-vector.9
(let* ((x (make-array '(1000) :initial-element 17.6e-1
:element-type 'single-float))
(lo 164)
(hi 873)
(y (subseq x lo hi)))
(and (eqlt (length y) (- hi lo))
(equal-array y
(make-array (list (- hi lo))
:initial-element 17.6e-1
:element-type 'single-float))))
t)
(deftest subseq-vector.10
(let* ((x (make-array '(2000) :initial-element 3.1415927d4
:element-type 'double-float))
(lo 731)
(hi 1942)
(y (subseq x lo hi)))
(and (eqlt (length y) (- hi lo))
(equal-array y
(make-array (list (- hi lo))
:initial-element 3.1415927d4
:element-type 'double-float))))
t)
;;; subseq on strings
(deftest subseq-string.1
(subseq-string.1-body)
t)
(deftest subseq-string.2
(subseq-string.2-body)
t)
(deftest subseq-string.3
(subseq-string.3-body)
t)
;;; Specialized string tests
(deftest subseq.specialized-string.1
(let* ((s0 "abcde")
(len (length s0)))
(do-special-strings
(s "abcde" nil)
(loop for i from 0 below len
for s1 = (subseq s i)
do (assert (typep s1 'simple-array))
do (assert (string= (subseq s i) (subseq s0 i)))
do (loop for j from i to len
for s2 = (subseq s i j)
do (assert (typep s2 'simple-array))
(assert (string= s2 (subseq s0 i j)))))))
nil)
;;; Other specialized vectors
(deftest subseq.specialized-vector.1
(let* ((v0 #(1 0 1 1 0 1 1 0))
(len (length v0)))
(do-special-integer-vectors
(v (copy-seq v0) nil)
(loop for i from 0 below len
for v1 = (subseq v i)
do (assert (typep v1 'simple-array))
do (assert (equalp (subseq v i) (subseq v0 i)))
do (loop for j from i to len
for v2 = (subseq v i j)
do (assert (typep v2 'simple-array))
(assert (equalp v2 (subseq v0 i j)))))))
nil)
(deftest subseq.specialized-vector.2
(loop for type in '(short-float single-float long-float double-float)
for len = 10
for vals = (loop for i from 1 to len collect (coerce i type))
for vec = (make-array len :element-type type :initial-contents vals)
for result = (subseq vec 1 9)
unless (and (= (length result) 8)
(equal (array-element-type vec) (array-element-type result))
(equalp result (apply #'vector (subseq vals 1 9))))
collect (list type vals result))
nil)
(deftest subseq.specialized-vector.3
(loop for etype in '(short-float single-float long-float double-float
integer rational)
for type = `(complex ,etype)
for len = 10
for vals = (loop for i from 1 to len collect (complex (coerce i etype)
(coerce (- i) etype)))
for vec = (make-array len :element-type type :initial-contents vals)
for result = (subseq vec 1 9)
unless (and (= (length result) 8)
(equal (array-element-type vec) (array-element-type result))
(equalp result (apply #'vector (subseq vals 1 9))))
collect (list type vals result))
nil)
;;; Tests on bit vectors
(deftest subseq-bit-vector.1
(subseq-bit-vector.1-body)
t)
(deftest subseq-bit-vector.2
(subseq-bit-vector.2-body)
t)
(deftest subseq-bit-vector.3
(subseq-bit-vector.3-body)
t)
;;; Order of evaluation
(deftest subseq.order.1
(let ((i 0) a b c)
(values
(subseq
(progn (setf a (incf i)) "abcdefgh")
(progn (setf b (incf i)) 1)
(progn (setf c (incf i)) 4))
i a b c))
"bcd" 3 1 2 3)
(deftest subseq.order.2
(let ((i 0) a b)
(values
(subseq
(progn (setf a (incf i)) "abcdefgh")
(progn (setf b (incf i)) 1))
i a b))
"bcdefgh" 2 1 2)
(deftest subseq.order.3
(let ((i 0) a b c d
(s (copy-seq "abcdefgh")))
(values
(setf (subseq
(progn (setf a (incf i)) s)
(progn (setf b (incf i)) 1)
(progn (setf c (incf i)) 4))
(progn (setf d (incf i)) "xyz"))
s i a b c d))
"xyz" "axyzefgh" 4 1 2 3 4)
(deftest subseq.order.4
(let ((i 0) a b c
(s (copy-seq "abcd")))
(values
(setf (subseq
(progn (setf a (incf i)) s)
(progn (setf b (incf i)) 1))
(progn (setf c (incf i)) "xyz"))
s i a b c))
"xyz" "axyz" 3 1 2 3)
;;; Constant folding
(def-fold-test subseq.fold.1 (subseq '(1 2 3) 0))
(def-fold-test subseq.fold.2 (subseq #(1 2 3) 0))
(def-fold-test subseq.fold.3 (subseq #*011101 0))
(def-fold-test subseq.fold.4 (subseq "abcdef" 0))
;;; Error cases
(deftest subseq.error.1
(signals-error (subseq) program-error)
t)
(deftest subseq.error.2
(signals-error (subseq nil) program-error)
t)
(deftest subseq.error.3
(signals-error (subseq nil 0 0 0) program-error)
t)
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