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* module/srfi/srfi-38.scm: New file, partly based on the reference implementation and on Alex Shinn's public-domain implementation for Chicken. * module/Makefile.am (SRFI_SOURCES): Add srfi/srfi-38.scm. * test-suite/tests/srfi-38.test: New file, minimal test suite for SRFI 38. * test-suite/Makefile.am (SCM_TESTS): Added tests/srfi-38.test. * doc/ref/srfi-modules.texi: Add a node for SRFI 38. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
68 lines
2.2 KiB
Scheme
68 lines
2.2 KiB
Scheme
;;; srfi-38.test --- Tests for SRFI 38. -*- mode: scheme; -*-
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;; Copyright (C) 2010 Free Software Foundation, Inc.
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;; This library is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU Lesser General Public
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;; License as published by the Free Software Foundation; either
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;; version 3 of the License, or (at your option) any later version.
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;; This library is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; Lesser General Public License for more details.
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;; You should have received a copy of the GNU Lesser General Public
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;; License along with this library. If not, see
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;; <http://www.gnu.org/licenses/>.
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;;; Code:
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(define-module (test-srfi-38)
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#:use-module (test-suite lib)
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#:use-module (srfi srfi-38)
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#:use-module (rnrs bytevectors))
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(define (shared-structure->string object)
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(call-with-output-string
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(lambda (port)
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(write-with-shared-structure object port))))
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(define (roundtrip object)
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(call-with-input-string (shared-structure->string object)
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(lambda (port)
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(read-with-shared-structure port))))
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(with-test-prefix "pairs"
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(let ((foo (cons 'value-1 #f)))
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(set-cdr! foo foo)
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(pass-if "writing"
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(string=? "#1=(value-1 . #1#)"
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(shared-structure->string foo)))
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(pass-if "roundtrip"
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(let ((result (roundtrip foo)))
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(and (pair? result)
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(eq? (car result) 'value-1)
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(eq? (cdr result) result))))))
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(with-test-prefix "bytevectors"
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(let ((vec (vector 0 1 2 3))
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(bv (u8-list->bytevector '(42 42))))
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(vector-set! vec 0 bv)
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(vector-set! vec 2 bv)
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(pass-if "roundtrip"
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(let ((result (roundtrip vec)))
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(and (equal? '#(#vu8(42 42) 1 #vu8(42 42) 3)
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result)
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(eq? (vector-ref result 0)
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(vector-ref result 2)))))))
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(with-test-prefix "mixed"
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(let* ((pair (cons 'a 'b))
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(vec (vector 0 pair 2 pair #f)))
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(vector-set! vec 4 vec)
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(pass-if "roundtrip"
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(let ((result (roundtrip vec)))
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(and (eq? (vector-ref result 1)
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(vector-ref result 3))
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(eq? result (vector-ref result 4)))))))
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