677 lines
20 KiB
Scheme
Executable File
677 lines
20 KiB
Scheme
Executable File
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(library (tests io)
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(export run-tests)
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(import (ikarus)(tests framework))
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(define-syntax test
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(syntax-rules ()
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[(_ name body)
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(begin
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(printf "running ~s ... " 'name)
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body
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(printf "ok\n"))]))
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(define (make-n-byte-custom-binary-input-port n)
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(assert (<= 0 n 256))
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(make-custom-binary-input-port "test0"
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(let ([c 0])
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(lambda (bv i count)
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(if (< c n)
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(begin
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(bytevector-u8-set! bv i c)
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(set! c (+ c 1))
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1)
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0)))
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#f #f #f))
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(define (make-n-byte-bytevector-binary-input-port n)
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(assert (<= 0 n 256))
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(let ([bv (make-bytevector n)])
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(let f ([i 0])
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(unless (= i n)
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(bytevector-u8-set! bv i i)
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(f (+ i 1))))
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(open-bytevector-input-port bv)))
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(define (make-ascii-range-bytevector)
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(let ([bv (make-bytevector 128)])
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(let f ([i 0])
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(unless (= i 128)
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(bytevector-u8-set! bv i i)
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(f (+ i 1))))
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bv))
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(define (make-ascii-range-bytevector+utf8-bom)
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(let ([bv (make-bytevector (+ 128 3))])
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(bytevector-u8-set! bv 0 #xEF)
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(bytevector-u8-set! bv 1 #xBB)
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(bytevector-u8-set! bv 2 #xBF)
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(let f ([i 0])
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(unless (= i 128)
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(bytevector-u8-set! bv (+ i 3) i)
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(f (+ i 1))))
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bv))
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(define (test-get-u8-1 p n)
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(let f ([i 0])
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(let ([x (get-u8 p)])
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(cond
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[(eof-object? x)
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(unless (= i n)
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(error 'test0 "premature termination" i))]
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[(= x i) (f (+ i 1))]
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[else
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(error 'test0 "incorrect value returned" x)]))))
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(define (test-get-char-1 p n)
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(let f ([i 0])
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(let ([x (get-char p)])
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(cond
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[(eof-object? x)
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(unless (= i n)
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(error 'test0 "premature termination" i))]
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[(= (char->integer x) i) (f (+ i 1))]
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[else
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(error 'test0 "incorrect value returned" x)]))))
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(define (test-peek-u8-1 p n)
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(let f ([i 0])
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(let* ([px (lookahead-u8 p)]
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[x (get-u8 p)])
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(cond
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[(not (eqv? px x)) (error #f "peek invalid" px x)]
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[(eof-object? x)
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(unless (= i n)
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(error #f "premature termination" i))]
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[(= x i) (f (+ i 1))]
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[else
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(error #f "incorrect value returned" x i)]))))
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(define (test-peek-char-1 p n)
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(let f ([i 0])
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(let* ([px (lookahead-char p)]
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[x (get-char p)])
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(cond
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[(not (eqv? px x)) (error #f "peek invalid" px x)]
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[(eof-object? x)
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(unless (= i n)
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(error #f "premature termination" i))]
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[(= (char->integer x) i) (f (+ i 1))]
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[else
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(error #f "incorrect value returned" x i)]))))
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(define (test-binary-port-eof?-1 p n)
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(let f ([i 0])
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(cond
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[(port-eof? p)
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(unless (= i n)
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(error #f "premature termination" i))
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(assert (eof-object? (lookahead-u8 p)))
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(assert (eof-object? (get-u8 p)))]
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[(= (get-u8 p) i) (f (+ i 1))]
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[else
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(error #f "incorrect value returned" i)])))
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(define (test-textual-port-eof?-1 p n)
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(let f ([i 0])
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(cond
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[(port-eof? p)
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(unless (= i n)
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(error #f "premature termination" i))
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(assert (eof-object? (lookahead-char p)))
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(assert (eof-object? (get-char p)))]
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[(= (char->integer (get-char p)) i) (f (+ i 1))]
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[else
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(error #f "incorrect value returned" i)])))
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(define (test-custom-binary-input-ports)
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(test "reading 256 bytes in ascending order"
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(test-get-u8-1 (make-n-byte-custom-binary-input-port 256) 256))
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(test "reading 256 bytes in ascending order 2 at a time"
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(test-get-u8-1
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(make-custom-binary-input-port "test0"
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(let ([c 0])
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(lambda (bv i count)
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(if (< c 256)
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(begin
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(assert (>= count 2))
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(bytevector-u8-set! bv i c)
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(bytevector-u8-set! bv (+ i 1) (+ c 1))
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(set! c (+ c 2))
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2)
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0)))
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#f #f #f)
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256))
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(test "peeking 256 bytes in ascending order"
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(test-peek-u8-1 (make-n-byte-custom-binary-input-port 256) 256))
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(test "custom-binary-port port-eof?"
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(test-binary-port-eof?-1 (make-n-byte-custom-binary-input-port 256) 256))
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;;;
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(test "reading 256 bytes from bytevector-input-port"
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(test-get-u8-1 (make-n-byte-bytevector-binary-input-port 256) 256))
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(test "peeking 256 bytes from bytevector-input-port"
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(test-peek-u8-1 (make-n-byte-bytevector-binary-input-port 256) 256))
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(test "bytevector-binary-port port-eof?"
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(test-binary-port-eof?-1 (make-n-byte-bytevector-binary-input-port 256) 256))
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;;;
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(test "reading 256 latin1 chars from bytevector-input-port"
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(test-get-char-1
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(transcoded-port (make-n-byte-bytevector-binary-input-port 256)
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(make-transcoder (latin-1-codec) 'none 'raise))
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256))
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(test "peeking 256 bytes from latin1 transcoded port"
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(test-peek-char-1
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(transcoded-port (make-n-byte-bytevector-binary-input-port 256)
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(make-transcoder (latin-1-codec) 'none 'raise))
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256))
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(test "latin1 transcoded port port-eof?"
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(test-textual-port-eof?-1
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(transcoded-port (make-n-byte-bytevector-binary-input-port 256)
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(make-transcoder (latin-1-codec) 'none 'raise))
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256))
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;;;
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(test "reading 128 utf8 chars from bytevector-input-port"
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(test-get-char-1
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(open-bytevector-input-port (make-ascii-range-bytevector)
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(make-transcoder (utf-8-codec) 'none 'raise))
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128))
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(test "peeking 128 chars from utf8 port"
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(test-peek-char-1
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(open-bytevector-input-port (make-ascii-range-bytevector)
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(make-transcoder (utf-8-codec) 'none 'raise))
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128))
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(test "utf8 transcoded port port-eof?"
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(test-textual-port-eof?-1
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(open-bytevector-input-port (make-ascii-range-bytevector)
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(make-transcoder (utf-8-codec) 'none 'raise))
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128)))
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(define (make-utf8-bytevector-range1)
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(u8-list->bytevector
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(let f ([i 0] [j #x7F])
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(cond
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[(> i j) '()]
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[else
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(cons* i (f (+ i 1) j))]))))
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(define (make-utf8-bytevector-range2)
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(u8-list->bytevector
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(let f ([i #x80] [j #x7FF])
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(cond
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[(> i j) '()]
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[else
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(cons* (fxior #b11000000 (fxsra i 6))
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(fxior #b10000000 (fxand i #b111111))
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(f (+ i 1) j))]))))
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(define (make-utf8-bytevector-range3)
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(u8-list->bytevector
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(let f ([i #x800] [j #xFFFF])
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(cond
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[(> i j) '()]
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[(fx= i #xD800) (f #xE000 j)]
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[else
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(cons* (fxior #b11100000 (fxsra i 12))
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(fxior #b10000000 (fxand (fxsra i 6) #b111111))
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(fxior #b10000000 (fxand i #b111111))
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(f (+ i 1) j))]))))
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(define (make-utf8-bytevector-range4)
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(u8-list->bytevector
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(let f ([i #x10000] [j #x10FFFF])
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(cond
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[(> i j) '()]
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[else
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(cons* (fxior #b11110000 (fxsra i 18))
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(fxior #b10000000 (fxand (fxsra i 12) #b111111))
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(fxior #b10000000 (fxand (fxsra i 6) #b111111))
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(fxior #b10000000 (fxand i #b111111))
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(f (+ i 1) j))]))))
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(define (make-utf8-string-range1)
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(list->string
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(let f ([i 0] [j #x7F])
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(cond
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[(> i j) '()]
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[else
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(cons (integer->char i)
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(f (+ i 1) j))]))))
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(define (make-utf8-string-range2)
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(list->string
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(let f ([i #x80] [j #x7FF])
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(cond
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[(> i j) '()]
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[else
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(cons (integer->char i)
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(f (+ i 1) j))]))))
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(define (make-utf8-string-range3)
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(list->string
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(let f ([i #x800] [j #xFFFF])
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(cond
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[(> i j) '()]
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[(fx= i #xD800) (f #xE000 j)]
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[else
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(cons (integer->char i)
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(f (+ i 1) j))]))))
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(define (make-utf8-string-range4)
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(list->string
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(let f ([i #x10000] [j #x10FFFF])
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(cond
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[(> i j) '()]
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[else
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(cons (integer->char i)
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(f (+ i 1) j))]))))
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(define (test-port-string-output p str)
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(let f ([i 0])
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(let ([x (get-char p)])
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(cond
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[(eof-object? x)
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(unless (= i (string-length str))
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(error #f "premature eof"))]
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[(= i (string-length str))
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(error #f "too many chars")]
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[(char=? x (string-ref str i))
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(f (+ i 1))]
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[else
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(error #f
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(format
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"mismatch at index ~a, got char ~a (code #x~x), \
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expected char ~a (code #x~x)"
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i
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x
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(char->integer x)
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(string-ref str i)
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(char->integer (string-ref str i))))]))))
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(define (test-port-string-peeking-output p str)
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(let f ([i 0])
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(let ([x (lookahead-char p)])
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(cond
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[(eof-object? x)
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(unless (= i (string-length str))
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(error #f "premature eof"))]
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[(= i (string-length str))
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(error #f "too many chars")]
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[(not (char=? x (get-char p)))
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(error #f "peek not same as get")]
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[(char=? x (string-ref str i))
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(f (+ i 1))]
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[else
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(error #f "mismatch" x (string-ref str i) i)]))))
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(define (invalid-code? n) (not (valid-code? n)))
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(define (valid-code? n)
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(cond
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[(< n 0) #f]
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[(<= n #xD7FF) #t]
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[(< n #xE000) #f]
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[(<= n #x10FFFF) #t]
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[else (error 'valid-code? "out of range" n)]))
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(define (make-u16le-bv min max)
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(u8-list->bytevector
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(let f ([i min])
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(cond
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[(> i max) '()]
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[(invalid-code? i) (f (+ i 1))]
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[(< i #x10000)
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(cons*
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(fxand i #xFF)
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(fxsra i 8)
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(f (+ i 1)))]
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[else
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(let ([ii (fx- i #x10000)])
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(let ([w1 (fxior #xD800 (fxand #x3FF (fxsra ii 10)))]
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[w2 (fxior #xDC00 (fxand #x3FF ii))])
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(cons*
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(fxand w1 #xFF)
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(fxsra w1 8)
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(fxand w2 #xFF)
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(fxsra w2 8)
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(f (+ i 1)))))]))))
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(define (make-string-slice min max)
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(list->string
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(let f ([i min])
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(cond
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[(> i max) '()]
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[(invalid-code? i) (f (+ i 1))]
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[else (cons (integer->char i) (f (+ i 1)))]))))
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(define (make-u16le-range1)
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(make-u16le-bv 0 #x7FFF))
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(define (make-u16le-range2)
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(make-u16le-bv #x8000 #x10FFFF))
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(define (make-utf16-string-range1)
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(make-string-slice 0 #x7FFF))
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(define (make-utf16-string-range2)
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(make-string-slice #x8000 #x10FFFF))
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(define (run-exhaustive-tests)
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(test "utf8 range 1"
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(test-port-string-output
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(open-bytevector-input-port (make-utf8-bytevector-range1)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range1)))
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(test "utf8 range 2"
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(test-port-string-output
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(open-bytevector-input-port (make-utf8-bytevector-range2)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range2)))
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(test "utf8 range 3"
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(test-port-string-output
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(open-bytevector-input-port (make-utf8-bytevector-range3)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range3)))
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(test "utf8 range 4"
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(test-port-string-output
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(open-bytevector-input-port (make-utf8-bytevector-range4)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range4)))
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(test "utf16 range 1"
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(test-port-string-output
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(open-bytevector-input-port (make-u16le-range1)
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(make-transcoder (utf-16-codec) 'none 'raise))
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(make-utf16-string-range1)))
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(test "utf16 range 2"
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(test-port-string-output
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(open-bytevector-input-port (make-u16le-range2)
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(make-transcoder (utf-16-codec) 'none 'raise))
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(make-utf16-string-range2)))
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(test "utf8 peek range 1"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-utf8-bytevector-range1)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range1)))
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(test "utf8 peek range 2"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-utf8-bytevector-range2)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range2)))
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(test "utf8 peek range 3"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-utf8-bytevector-range3)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range3)))
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(test "utf8 peek range 4"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-utf8-bytevector-range4)
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(make-transcoder (utf-8-codec) 'none 'raise))
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(make-utf8-string-range4)))
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(test "utf16 peek range 1"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-u16le-range1)
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(make-transcoder (utf-16-codec) 'none 'raise))
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(make-utf16-string-range1)))
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(test "utf16 peek range 2"
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(test-port-string-peeking-output
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(open-bytevector-input-port (make-u16le-range2)
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(make-transcoder (utf-16-codec) 'none 'raise))
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(make-utf16-string-range2)))
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(test "utf8 range 1 string"
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(test-port-string-output
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(open-string-input-port (make-utf8-string-range1))
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(make-utf8-string-range1)))
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(test "utf8 range 2 string"
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(test-port-string-output
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(open-string-input-port (make-utf8-string-range2))
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(make-utf8-string-range2)))
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(test "utf8 range 3 string"
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(test-port-string-output
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(open-string-input-port (make-utf8-string-range3))
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(make-utf8-string-range3)))
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(test "utf8 range 4 string"
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(test-port-string-output
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(open-string-input-port (make-utf8-string-range4))
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(make-utf8-string-range4)))
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(test "utf8 peek range 2 string"
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(test-port-string-peeking-output
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(open-string-input-port (make-utf8-string-range2))
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(make-utf8-string-range2)))
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(test "utf8 peek range 3 string"
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(test-port-string-peeking-output
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(open-string-input-port (make-utf8-string-range3))
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(make-utf8-string-range3)))
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(test "utf8 peek range 4 string"
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|
(test-port-string-peeking-output
|
|
(open-string-input-port (make-utf8-string-range4))
|
|
(make-utf8-string-range4))))
|
|
|
|
|
|
(define (run-interactive-tests)
|
|
(display "now write something on the keyboard ...\n")
|
|
(printf "you typed ~s\n"
|
|
(list->string
|
|
(let ([p (standard-input-port)])
|
|
(let f ()
|
|
(let ([x (get-u8 p)])
|
|
(if (eof-object? x)
|
|
'()
|
|
(cons (integer->char x) (f))))))))
|
|
|
|
(display "let's do it again ...\n")
|
|
(printf "you typed ~s\n"
|
|
(list->string
|
|
(let ([p (transcoded-port (standard-input-port)
|
|
(make-transcoder (utf-8-codec)))])
|
|
(let f ()
|
|
(let ([x (get-char p)])
|
|
(if (eof-object? x)
|
|
'()
|
|
(cons x (f)))))))))
|
|
|
|
(define (file-size filename)
|
|
(with-input-from-file filename
|
|
(lambda ()
|
|
(let f ([i 0])
|
|
(let ([x (get-char (current-input-port))])
|
|
(if (eof-object? x)
|
|
i
|
|
(f (+ i 1))))))))
|
|
|
|
|
|
(define (file->bytevector filename)
|
|
(let ([p (open-file-input-port filename (file-options) 'block #f)])
|
|
(u8-list->bytevector
|
|
(let f ()
|
|
(let ([x (get-u8 p)])
|
|
(if (eof-object? x)
|
|
(begin (close-input-port p) '())
|
|
(cons x (f))))))))
|
|
|
|
(define (bytevector->binary-port bv p)
|
|
(let f ([i 0])
|
|
(unless (fx= i (bytevector-length bv))
|
|
(put-u8 p (bytevector-u8-ref bv i))
|
|
(f (fx+ i 1)))))
|
|
|
|
(define (bytevector->textual-port bv p)
|
|
(let f ([i 0])
|
|
(unless (fx= i (bytevector-length bv))
|
|
(put-char p (integer->char (bytevector-u8-ref bv i)))
|
|
(f (fx+ i 1)))))
|
|
|
|
(define (test-input-files)
|
|
(assert (= (file-size "tests/SRFI-1.ss") 56573))
|
|
(let ([bv (file->bytevector "tests/SRFI-1.ss")])
|
|
(let-values ([(p extract) (open-bytevector-output-port #f)])
|
|
(bytevector->binary-port bv p)
|
|
(let ([bv2 (extract)])
|
|
(assert (bytevector=? bv bv2))
|
|
(assert (bytevector=? #vu8() (extract))))))
|
|
|
|
(let ([bv (file->bytevector "tests/SRFI-1.ss")])
|
|
(let-values ([(p extract) (open-bytevector-output-port
|
|
(native-transcoder))])
|
|
(bytevector->textual-port bv p)
|
|
(let ([bv2 (extract)])
|
|
(assert (bytevector=? bv bv2))
|
|
(assert (bytevector=? #vu8() (extract))))))
|
|
|
|
(let ([bv (file->bytevector "tests/SRFI-1.ss")])
|
|
(let-values ([(p extract) (open-bytevector-output-port
|
|
(make-transcoder (latin-1-codec)))])
|
|
(bytevector->textual-port bv p)
|
|
(let ([bv2 (extract)])
|
|
(assert (bytevector=? bv bv2))
|
|
(assert (bytevector=? #vu8() (extract))))))
|
|
|
|
(let ([bv (file->bytevector "tests/SRFI-1.ss")])
|
|
(let-values ([(p extract) (open-string-output-port)])
|
|
(bytevector->textual-port bv p)
|
|
(let ([str (extract)])
|
|
(assert (bytevector=? bv (string->utf8 str)))
|
|
(assert (string=? "" (extract))))))
|
|
|
|
(let ([p (standard-output-port)])
|
|
(bytevector->binary-port
|
|
(string->utf8 "HELLO THERE\n")
|
|
p)
|
|
(flush-output-port p))
|
|
|
|
(let ([p (current-output-port)])
|
|
(bytevector->textual-port
|
|
(string->utf8 "HELLO THERE\n")
|
|
p)
|
|
(flush-output-port p))
|
|
|
|
(let ([p (current-output-port)])
|
|
(put-string p "HELLO THERE\n")
|
|
(flush-output-port p)))
|
|
|
|
(define (test-custom-binary-output-ports)
|
|
(define ls '())
|
|
(let ([p (make-custom-binary-output-port "foo"
|
|
(lambda (bv i c)
|
|
(let f ([i i] [c c])
|
|
(unless (fx= c 0)
|
|
(set! ls (cons (bytevector-u8-ref bv i) ls))
|
|
(f (fx+ i 1) (fx- c 1))))
|
|
c)
|
|
#f
|
|
#f
|
|
#f)])
|
|
(let f ([i 0])
|
|
(unless (fx= i 10000)
|
|
(put-u8 p (mod i 37))
|
|
(f (+ i 1))))
|
|
(flush-output-port p)
|
|
(let f ([i 0] [ls (reverse ls)])
|
|
(unless (null? ls)
|
|
(assert (fx= (mod i 37) (car ls)))
|
|
(f (fx+ i 1) (cdr ls))))))
|
|
|
|
|
|
(define (test-partial-reads)
|
|
(define (make-test-string)
|
|
(list->string
|
|
(let f ([i 0])
|
|
(cond
|
|
[(fx=? i #x110000) '()]
|
|
[(fx=? i #xD800) (f #xE000)]
|
|
[else (cons (integer->char i) (f (+ i 1)))]))))
|
|
(define (make-slow-input-port bv transcoder)
|
|
(let ([n 0])
|
|
(transcoded-port
|
|
(make-custom-binary-input-port "foo"
|
|
(lambda (buffer i cnt)
|
|
(cond
|
|
[(fx=? n (bytevector-length bv)) 0]
|
|
[else
|
|
(let ([u8 (bytevector-u8-ref bv n)])
|
|
; (printf "got [~s] #b~b\n" n u8)
|
|
(bytevector-u8-set! buffer i u8))
|
|
(set! n (+ n 1))
|
|
1]))
|
|
#f #f #f)
|
|
transcoder)))
|
|
(define (test name codec s->bv bv->s)
|
|
(printf "testing partial reads for ~s codec ... " name)
|
|
(let ([s (make-test-string)])
|
|
(assert (string=? s (bv->s (s->bv s))))
|
|
(let ([r (call-with-port
|
|
(make-slow-input-port (s->bv s)
|
|
(make-transcoder codec
|
|
(eol-style none) (error-handling-mode raise)))
|
|
get-string-all)])
|
|
(unless (string=? r s)
|
|
(if (= (string-length r) (string-length s))
|
|
(error #f "test failed")
|
|
(error #f "length mismatch"
|
|
(string-length s) (string-length r))))))
|
|
(printf "ok\n"))
|
|
(test 'utf8 (utf-8-codec)
|
|
string->utf8
|
|
utf8->string)
|
|
(test 'utf16 (utf-16-codec)
|
|
(lambda (x) (string->utf16 x 'little))
|
|
(lambda (x) (utf16->string x 'little))))
|
|
|
|
(define-tests test-input-ports
|
|
[eof-object?
|
|
(get-line (open-string-input-port ""))]
|
|
[(lambda (x) (equal? x "abcd"))
|
|
(get-line (open-string-input-port "abcd"))]
|
|
[(lambda (x) (equal? x ""))
|
|
(get-line (open-string-input-port "\nabcd"))]
|
|
[(lambda (x) (equal? x "abcd"))
|
|
(get-line (open-string-input-port "abcd\nefg"))])
|
|
|
|
(define (run-tests)
|
|
(test-custom-binary-input-ports)
|
|
(test-custom-binary-output-ports)
|
|
(run-exhaustive-tests)
|
|
(test-input-files)
|
|
(test-partial-reads)
|
|
(test-input-ports))
|
|
)
|