48 lines
1.7 KiB
Plaintext
48 lines
1.7 KiB
Plaintext
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(define-library (chibi diff-test)
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(import (scheme base) (chibi diff))
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(export run-tests)
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(cond-expand
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(chibi (import (chibi test)))
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(else
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(import (scheme write))
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;; inline (chibi test) to avoid circular dependencies in snow
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;; installations
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(begin
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(define-syntax test
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(syntax-rules ()
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((test expect expr)
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(test 'expr expect expr))
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((test name expect expr)
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(guard (exn (else (display "!\nERROR: ") (write name) (newline)
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(write exn) (newline)))
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(let* ((res expr)
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(pass? (equal? expect expr)))
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(display (if pass? "." "x"))
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(cond
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((not pass?)
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(display "\nFAIL: ") (write name) (newline))))))))
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(define (test-begin name)
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(display name))
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(define (test-end)
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(newline)))))
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(begin
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(define (run-tests)
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(test-begin "diff")
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(test '((#\A 1 0) (#\C 2 2))
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(lcs-with-positions '(#\G #\A #\C) '(#\A #\G #\C #\A #\T)))
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(test '(#\A #\C)
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(lcs '(#\G #\A #\C) '(#\A #\G #\C #\A #\T)))
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(test '((#\G #\A #\C) (#\A #\G #\C #\A #\T) ((#\A 1 0) (#\C 2 2)))
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(diff "GAC" "AGCAT" read-char))
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(let ((d (diff "GAC" "AGCAT" read-char)))
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(test " »G« AC"
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(edits->string (car d) (car (cddr d)) 1))
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(test "A «G» C «AT» "
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(edits->string (cadr d) (car (cddr d)) 2))
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(test "\x1b;[31mG\x1b;[39mAC"
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(edits->string/color (car d) (car (cddr d)) 1))
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(test "A\x1b;[32mG\x1b;[39mC\x1b;[32mAT\x1b;[39m"
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(edits->string/color (cadr d) (car (cddr d)) 2)))
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(test-end))))
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