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--
-- Test ISN extension
--
CREATE EXTENSION isn;
--
-- test valid conversions
--
SELECT '9780123456786'::EAN13, -- old book
'9790123456785'::EAN13, -- music
'9791234567896'::EAN13, -- new book
'9771234567898'::EAN13, -- serial
'0123456789012'::EAN13, -- upc
'1234567890128'::EAN13;
SELECT '9780123456786'::ISBN,
'123456789X'::ISBN,
'9780123456786'::ISBN13::ISBN,
'9780123456786'::EAN13::ISBN;
SELECT -- new books, shown as ISBN13 even for ISBN...
'9791234567896'::ISBN,
'9791234567896'::ISBN13::ISBN,
'9791234567896'::EAN13::ISBN;
SELECT '9780123456786'::ISBN13,
'123456789X'::ISBN13,
'9791234567896'::ISBN13,
'9791234567896'::EAN13::ISBN13;
SELECT '9790123456785'::ISMN,
'9790123456785'::EAN13::ISMN,
'M123456785'::ISMN,
'M-1234-5678-5'::ISMN;
SELECT '9790123456785'::ISMN13,
'M123456785'::ISMN13,
'M-1234-5678-5'::ISMN13;
SELECT '9771234567003'::ISSN,
'12345679'::ISSN;
SELECT '9771234567003'::ISSN13,
'12345679'::ISSN13,
'9771234567898'::ISSN13,
'9771234567898'::EAN13::ISSN13;
SELECT '0123456789012'::UPC,
'0123456789012'::EAN13::UPC;
--
-- test invalid checksums
--
SELECT '1234567890'::ISBN;
SELECT 'M123456780'::ISMN;
SELECT '12345670'::ISSN;
SELECT '9780123456780'::ISBN;
SELECT '9791234567890'::ISBN13;
SELECT '0123456789010'::UPC;
SELECT '1234567890120'::EAN13;
--
-- test invalid conversions
--
SELECT '9790123456785'::ISBN; -- not a book
SELECT '9771234567898'::ISBN; -- not a book
SELECT '0123456789012'::ISBN; -- not a book
SELECT '9790123456785'::ISBN13; -- not a book
SELECT '9771234567898'::ISBN13; -- not a book
SELECT '0123456789012'::ISBN13; -- not a book
SELECT '9780123456786'::ISMN; -- not music
SELECT '9771234567898'::ISMN; -- not music
SELECT '9791234567896'::ISMN; -- not music
SELECT '0123456789012'::ISMN; -- not music
SELECT '9780123456786'::ISSN; -- not serial
SELECT '9790123456785'::ISSN; -- not serial
SELECT '9791234567896'::ISSN; -- not serial
SELECT '0123456789012'::ISSN; -- not serial
SELECT '9780123456786'::UPC; -- not a product
SELECT '9771234567898'::UPC; -- not a product
SELECT '9790123456785'::UPC; -- not a product
SELECT '9791234567896'::UPC; -- not a product
SELECT 'postgresql...'::EAN13;
SELECT 'postgresql...'::ISBN;
SELECT 9780123456786::EAN13;
SELECT 9780123456786::ISBN;
--
-- test some comparisons, must yield true
--
SELECT '12345679'::ISSN = '9771234567003'::EAN13 AS "ok",
'M-1234-5678-5'::ISMN = '9790123456785'::EAN13 AS "ok",
'9791234567896'::EAN13 != '123456789X'::ISBN AS "nope";
--
-- cleanup
--
DROP EXTENSION isn;
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