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;-*- Mode: Lisp -*-
;;;; Author: Paul Dietz
;;;; Created: Sat Jul 10 14:08:08 2004
;;;; Contains: Tests of PPRINT-TAB
(in-package :cl-test)
(compile-and-load "printer-aux.lsp")
;;; No effect in a non-pprint stream
(def-pprint-test pprint-tab.non-pretty.1
(with-output-to-string
(*standard-output*)
(write "A")
(pprint-tab :line 10 3)
(write "B"))
"AB")
(def-pprint-test pprint-tab.non-pretty.2
(with-output-to-string
(*standard-output*)
(write "A")
(pprint-tab :section 10 3)
(write "B"))
"AB")
(def-pprint-test pprint-tab.non-pretty.3
(with-output-to-string
(*standard-output*)
(write "A")
(pprint-tab :line-relative 10 3)
(write "B"))
"AB")
(def-pprint-test pprint-tab.non-pretty.4
(with-output-to-string
(*standard-output*)
(write "A")
(pprint-tab :section-relative 10 3)
(write "B"))
"AB")
(def-ppblock-test pprint-tab.non-pretty.5
(progn (write "A") (pprint-tab :line 10 3) (write "B"))
"AB"
:pretty nil)
(def-ppblock-test pprint-tab.non-pretty.6
(progn (write "A") (pprint-tab :section 10 3) (write "B"))
"AB"
:pretty nil)
(def-ppblock-test pprint-tab.non-pretty.7
(progn (write "A") (pprint-tab :line-relative 10 3) (write "B"))
"AB"
:pretty nil)
(def-ppblock-test pprint-tab.non-pretty.8
(progn (write "A") (pprint-tab :section-relative 10 3) (write "B"))
"AB"
:pretty nil)
;;; nil designates *standard-output*
(def-ppblock-test pprint-tab.nil.1
(progn (write "A")
(pprint-tab :line 10 1 nil)
(write "B"))
"A B")
;;; t designates *terminal-io*
(def-pprint-test pprint-tab.t.1
(with-output-to-string
(os)
(with-input-from-string
(is "")
(with-open-stream
(*terminal-io* (make-two-way-stream is os))
(pprint-logical-block
(*terminal-io* nil)
(write "A" :stream t)
(pprint-tab :line 10 1 t)
(write "B" :stream t)))))
"A B")
;;; Now test actual tabbing behavior
;;; NOTE
;;; I am assuming that when colnum <= current column,
;;; and the current column == colnum + k * colinc for some positive integer k,
;;; then pprint-tab :line will tab at least 1 space.
(def-pprint-test pprint-tab.line.1
(loop
for offset = (random 100)
for colnum = (random 100)
for colinc = (min (random 50) (random 50))
for s = (with-output-to-string
(*standard-output*)
(pprint-logical-block
(*standard-output* nil)
(dotimes (i offset) (write #\Space))
(pprint-tab :line colnum colinc)
(write #\A)))
for expected-col = (cond ((< offset colnum) colnum)
((= colinc 0) offset)
((= offset colnum) (+ offset colinc))
(t (let ((k (mod (- colnum offset) colinc)))
(if (= k 0)
(+ offset colinc)
(+ offset k)))))
repeat 200
nconc
(unless (string= s (concatenate
'string
(make-string expected-col :initial-element #\Space)
"A"))
(list (list offset colnum colinc expected-col (count #\Space s) s))))
nil
:margin 1000)
(def-pprint-test pprint-tab.section.1
(loop
for prefix-length = (random 50)
for offset = (random 50)
for colnum = (random 50)
for colinc = (min (random 50) (random 50))
for s = (with-output-to-string
(*standard-output*)
(pprint-logical-block
(*standard-output* nil :prefix (make-string prefix-length
:initial-element #\Space))
(dotimes (i offset) (write #\Space))
(pprint-tab :section colnum colinc)
(write #\A)))
for expected-col = (+ prefix-length
(cond ((< offset colnum) colnum)
((= colinc 0) offset)
((= offset colnum) (+ offset colinc))
(t (let ((k (mod (- colnum offset) colinc)))
(if (= k 0)
(+ offset colinc)
(+ offset k))))))
repeat 200
nconc
(unless (string= s (concatenate
'string
(make-string expected-col :initial-element #\Space)
"A"))
(list (list offset colnum colinc expected-col (count #\Space s) s))))
nil
:margin 1000)
(def-pprint-test pprint-tab.line-relative.1
(loop
for offset = (random 100)
for colrel = (random 100)
for colinc = (1+ (min (random 50) (random 50)))
for extra = (mod (- (+ offset colrel)) colinc)
for s = (with-output-to-string
(*standard-output*)
(pprint-logical-block
(*standard-output* nil)
(dotimes (i offset) (write #\Space))
(pprint-tab :line-relative colrel colinc)
(write #\A)))
for expected-col = (+ offset colrel extra)
repeat 200
nconc
(unless (string= s (concatenate
'string
(make-string expected-col :initial-element #\Space)
"A"))
(list (list offset colrel colinc expected-col (count #\Space s) s))))
nil
:margin 1000)
(def-pprint-test pprint-tab.section-relative.1
(loop
for prefix-length = (random 50)
for offset = (random 50)
for colrel = (random 50)
for colinc = (1+ (min (random 50) (random 50)))
for extra = (mod (- (+ offset colrel)) colinc)
for s = (with-output-to-string
(*standard-output*)
(pprint-logical-block
(*standard-output* nil :prefix (make-string prefix-length
:initial-element #\Space))
(dotimes (i offset) (write #\Space))
(pprint-tab :section-relative colrel colinc)
(write #\A)))
for expected-col = (+ prefix-length offset colrel extra)
repeat 200
nconc
(unless (string= s (concatenate
'string
(make-string expected-col :initial-element #\Space)
"A"))
(list (list prefix-length offset colrel colinc extra expected-col (count #\Space s) s))))
nil
:margin 1000)
;;; Error cases
(deftest pprint-tab.error.1
(signals-error (pprint-tab) program-error)
t)
(deftest pprint-tab.error.2
(signals-error (pprint-tab :line) program-error)
t)
(deftest pprint-tab.error.3
(signals-error (pprint-tab :line 1) program-error)
t)
(deftest pprint-tab.error.4
(signals-error (pprint-tab :line 1 1 nil nil) program-error)
t)
(deftest pprint-tab.error.5
(loop for x in *mini-universe*
unless (or (member x '(:line :section :line-relative :section-relative))
(eval `(signals-error (pprint-tab ',x 1 1) error)))
collect x)
nil)
(deftest pprint-tab.error.5-unsafe
(loop for x in *mini-universe*
unless (or (member x '(:line :section :line-relative :section-relative))
(eval `(signals-error (locally (declare (optimize (safety 0))) (pprint-tab ',x 1 1)) error)))
collect x)
nil)
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