bbf54efde9
headers and errors (if any). Also, using quiet.ss will exit with an error code if there were errors. svn: r3655
216 lines
7.0 KiB
Scheme
216 lines
7.0 KiB
Scheme
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; Test pretty-print.
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;; Regression test results in pp-regression.ss. When things
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;; have to change, re-run with `record-for-regression?' to #t.
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(define record-for-regression? #f)
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;; Disable `use-regression?' when inspecting results after a
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;; changed; when it's ok, then record the new regression results.
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(define use-regression? #t)
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(load-relative "loadtest.ss")
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(Section 'pretty)
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(require (lib "pretty.ss"))
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(define (pprec-print pprec port write?)
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(define (print-one n port)
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((if write? write display) (pprec-ref pprec n) port))
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(let ([pp? (and (pretty-printing)
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(number? (pretty-print-columns)))])
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(write-string (if write? "W{" "D{") port)
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(let-values ([(l c p) (if pp?
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(port-next-location port)
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(values 0 0 0))])
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(print-one 0 port)
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(if pp?
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(let* ([mx (- (pretty-print-columns) 1)]
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[tp (make-tentative-pretty-print-output-port
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port
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mx
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void)])
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(write-string " " tp)
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(print-one 1 tp)
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(let-values ([(xl xc xp) (port-next-location tp)])
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(if (xc . < . mx)
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(tentative-pretty-print-port-transfer tp port)
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(begin
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(tentative-pretty-print-port-cancel tp)
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(let ([cnt (pretty-print-newline port mx)])
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(write-string (make-string (max 0 (- c cnt)) #\space) port))
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(print-one 1 port)))))
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(begin
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(write-string " " port)
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(print-one 1 port)))
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(write-string "}" port))))
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(define-values (s:pprec make-pprec pprec? pprec-ref pprec-set!)
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(make-struct-type 'pprec #f 2 0 #f
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(list (cons prop:custom-write pprec-print))))
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(define (pp-string v)
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(let ([p (open-output-string)])
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(pretty-print v p)
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(let ([s (get-output-string p)])
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(substring s 0 (sub1 (string-length s))))))
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(test "10" pp-string 10)
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(test "1/2" pp-string 1/2)
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(test "-1/2" pp-string -1/2)
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(test "1/2+3/4i" pp-string 1/2+3/4i)
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(test "0.333" pp-string #i0.333)
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(test "2.0+1.0i" pp-string #i2+1i)
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(test "'a" pp-string ''a)
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(test "`a" pp-string '`a)
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(test ",a" pp-string ',a)
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(test ",@a" pp-string ',@a)
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(test "#'a" pp-string '#'a)
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(test "W{1 2}" pp-string (make-pprec 1 2))
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(test #t pretty-print-style-table? (pretty-print-current-style-table))
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(test #t pretty-print-style-table? (pretty-print-extend-style-table #f null null))
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(test #t pretty-print-style-table? (pretty-print-extend-style-table (pretty-print-current-style-table) null null))
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(parameterize ([pretty-print-columns 20])
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(test "(1234567890 1 2 3 4)" pp-string '(1234567890 1 2 3 4))
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(test "(1234567890xx\n 1\n 2\n 3\n 4)" pp-string '(1234567890xx 1 2 3 4))
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(test "(lambda 1234567890\n 1\n 2\n 3\n 4)" pp-string '(lambda 1234567890 1 2 3 4))
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(let ([table (pretty-print-extend-style-table #f null null)])
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(parameterize ([pretty-print-current-style-table
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(pretty-print-extend-style-table table '(lambda) '(list))])
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(test "(lambda\n 1234567890\n 1\n 2\n 3\n 4)" pp-string '(lambda 1234567890 1 2 3 4)))
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(test "(lambda 1234567890\n 1\n 2\n 3\n 4)" pp-string '(lambda 1234567890 1 2 3 4))
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(parameterize ([pretty-print-current-style-table table])
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(test "(lambda 1234567890\n 1\n 2\n 3\n 4)" pp-string '(lambda 1234567890 1 2 3 4)))))
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(parameterize ([pretty-print-exact-as-decimal #t])
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(test "10" pp-string 10)
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(test "0.5" pp-string 1/2)
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(test "-0.5" pp-string -1/2)
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(test "3500.5" pp-string 7001/2)
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(test "0.0001220703125" pp-string 1/8192)
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(test "0.0000000000000006869768746897623487"
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pp-string 6869768746897623487/10000000000000000000000000000000000)
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(test "0.00000000000001048576" pp-string (/ (expt 5 20)))
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(test "1/3" pp-string 1/3)
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(test "1/300000000000000000000000" pp-string 1/300000000000000000000000)
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(test "0.5+0.75i" pp-string 1/2+3/4i)
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(test "0.5-0.75i" pp-string 1/2-3/4i)
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(test "1/9+3/17i" pp-string 1/9+3/17i)
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(test "0.333" pp-string #i0.333)
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(test "2.0+1.0i" pp-string #i2+1i))
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(parameterize ([print-struct #t])
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(let ()
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(define-struct s (x) (make-inspector))
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(test "#(struct:s 1)" pp-string (make-s 1))))
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(err/rt-test (pretty-print-extend-style-table 'ack '(a) '(b)))
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(err/rt-test (pretty-print-extend-style-table (pretty-print-current-style-table) 'a '(b)))
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(err/rt-test (pretty-print-extend-style-table (pretty-print-current-style-table) '(1) '(b)))
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(err/rt-test (pretty-print-extend-style-table (pretty-print-current-style-table) '(a) 'b))
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(err/rt-test (pretty-print-extend-style-table (pretty-print-current-style-table) '(a) '(1)))
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(err/rt-test (pretty-print-extend-style-table (pretty-print-current-style-table) '(a) '(b c)) exn:application:mismatch?)
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(define-struct s (a b c))
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(define (make k?)
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(let ([make (if k? make (lambda (x) '(end)))])
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(list
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1
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'a
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"a"
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(list 'long-name-numero-uno-one-the-first-supreme-item
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'long-name-number-two-di-ar-ge-second-line)
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(map (lambda (v v2)
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(make-s v 2 v2))
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(make #f)
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(reverse (make #f)))
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'(1)
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'(1 2 3)
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'(1 . 2)
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#(1 2 3 4 5)
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(read (open-input-string "(#0=() . #0#)"))
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(read (open-input-string "#1=(1 . #1#)"))
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(map box (make #f))
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(make #f)
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(make-pprec 1 2)
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(make-pprec 'long-name-numero-uno-one-the-first-supreme-item
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'long-name-number-two-di-ar-ge-second-line)
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(let ([p (make-pprec "a" "c")])
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(pprec-set! p 0 p)
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p))))
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(define vs (make #t))
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(define print-line-no
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(lambda (line port offset width)
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(if line
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(begin
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(when (positive? line) (write-char #\newline port))
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(fprintf port "~s~a~a~a " line
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(if (< line 10) " " "")
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(if (< line 100) " " "")
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(if (< line 1000) " " ""))
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5)
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(fprintf port "!~n"))))
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(define modes
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(list
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(list "DEPTH=2" pretty-print-depth 2)
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(list "GRAPH-ON" print-graph #t)
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(list "STRUCT-ON" print-struct #t)
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(list "LINE-NO-ON" pretty-print-print-line print-line-no)
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(list "SUPER-WIDE" pretty-print-columns 300)))
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(define num-combinations (arithmetic-shift 1 (length modes)))
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(define regression-path
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(build-path (current-load-relative-directory)
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"pp-regression.ss"))
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(define recorded (if record-for-regression?
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null
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(with-input-from-file regression-path
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read)))
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(define (record-or-check id thunk)
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(if use-regression?
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(let ([str (let ([p (open-output-bytes)])
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(parameterize ([current-output-port p])
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(thunk))
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(get-output-bytes p))])
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(if record-for-regression?
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(set! recorded (cons (cons id str) recorded))
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(test (cdr (assoc id recorded)) values str)))
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(thunk)))
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(let loop ([n 0])
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(when (< n num-combinations)
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(record-or-check
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`(mode ,n)
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(lambda ()
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(let loop ([modes modes][n n])
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(cond
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[(null? modes) (printf ":~n") (map pretty-print vs)]
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[(positive? (bitwise-and n 1))
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(let ([mode (car modes)])
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(printf "~s " (car mode))
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(parameterize ([(cadr mode) (caddr mode)])
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(loop (cdr modes) (arithmetic-shift n -1))))]
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[else
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(loop (cdr modes) (arithmetic-shift n -1))]))))
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(loop (add1 n))))
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(when record-for-regression?
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(with-output-to-file regression-path
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(lambda () (write recorded))
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'truncate/replace))
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(test #t 'use-regression? use-regression?)
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(report-errs)
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