-- Turn off echo and keep things quiet.
\set ECHO
\set QUIET 1

-- Format the output for nice TAP.
\pset format unaligned
\pset tuples_only true
\pset pager

-- Revert all changes on failure.
\set ON_ERROR_ROLLBACK 1
\set ON_ERROR_STOP true
\set QUIET 1

-- Load the TAP functions.
BEGIN;

-- Plan the tests.
SELECT plan(5);

-- Run the tests.
SELECT is(evergreen.lpad_number_substrings(
	'Appendix','0',5), 'Appendix','Non-numeric string');

SELECT is(evergreen.lpad_number_substrings(
	'DISC 11','0',5), 'DISC 00011','Prefix, 1 number');

SELECT is(evergreen.lpad_number_substrings(
	'DISC 14.1','0',5), 'DISC 00014.00001','Prefix, 2 numbers');

SELECT is(evergreen.lpad_number_substrings(
	'DISC 12.12.13','0',5), 'DISC 00012.00012.00013','Prefix, 3 numbers');

SELECT is(evergreen.lpad_number_substrings(
	'Vol 5a-15','0',5), 'Vol 00005a-00015','Mixed format');


-- Finish the tests and clean up.
SELECT * FROM finish();
ROLLBACK;