#
# Rsubox - Rust single unix utilities in one executable.
# Copyright (C) 2022 Łukasz Szpakowski
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
start_test date "date prints date"
    "../$RSUBOX" date -T 041015262010.37 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content_pattern 2 '^Sat Apr 10 15:26:37 [A-Z][A-Z]* 2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints date without century for 1970 year"
    "../$RSUBOX" date -T 0209142570.36 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content_pattern 2 '^Mon Feb  9 14:25:36 [A-Z][A-Z]* 1970' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints date without century for 2000 year"
    "../$RSUBOX" date -T 0209142500.36 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content_pattern 2 '^Wed Feb  9 14:25:36 [A-Z][A-Z]* 2000' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints date without seconds"
    "../$RSUBOX" date -T 041015262010 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content_pattern 2 '^Sat Apr 10 15:26:00 [A-Z][A-Z]* 2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints date for utc option"
    "../$RSUBOX" date -u -T 041015262010.37 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Sat Apr 10 15:26:37 UTC 2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints hour for format"
    "../$RSUBOX" date -T 041015262010.37 '+%H:%M:%S' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15:26:37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints percent for format"
    "../$RSUBOX" date -T 041015262010.37 '+%%' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '%' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %a conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%a' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Sat' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %a conversion and other date"
    "../$RSUBOX" date -T 040615262010.37 '+%a' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Tue' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %A conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%A' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Saturday' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %A conversion and other date"
    "../$RSUBOX" date -T 040615262010.37 '+%A' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Tuesday' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %b conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%b' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Apr' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %b conversion and other date"
    "../$RSUBOX" date -T 061015262010.37 '+%b' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Jun' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %B conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%B' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'April' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %B conversion and other date"
    "../$RSUBOX" date -T 061015262010.37 '+%B' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'June' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %c conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%c' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Sat Apr 10 15:26:37 2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %C conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%C' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '20' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %d conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%d' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %D conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%D' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04/10/10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %D conversion and other date"
    "../$RSUBOX" date -T 041015262011.37 '+%D' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04/10/11' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %e conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%e' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %h conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%h' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Apr' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %h conversion and other date"
    "../$RSUBOX" date -T 061015262010.37 '+%h' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Jun' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %H conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%H' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %I conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%I' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '03' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %I conversion for second date"
    "../$RSUBOX" date -T 041009262010.37 '+%I' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '09' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %I conversion for third date"
    "../$RSUBOX" date -T 041000262010.37 '+%I' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '12' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %I conversion for fourth date"
    "../$RSUBOX" date -T 041012262010.37 '+%I' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '12' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %j conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%j' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '100' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %m conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%m' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %M conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%M' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '26' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for conversions with %n conversion"
    echo 15 > ../test_tmp/expected.txt
    echo 26 >> ../test_tmp/expected.txt
    "../$RSUBOX" date -T 041015262010.37 '+%H%n%M' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_compare_files 2 ../test_tmp/expected.txt ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %p conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%p' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'PM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %p conversion for second date"
    "../$RSUBOX" date -T 041009262010.37 '+%p' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'AM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %p conversion for third date"
    "../$RSUBOX" date -T 041000262010.37 '+%p' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'AM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %p conversion for fourth date"
    "../$RSUBOX" date -T 041012262010.37 '+%p' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'PM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %r conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%r' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '03:26:37 PM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %r conversion for second date"
    "../$RSUBOX" date -T 041009262010.37 '+%r' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '09:26:37 AM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %r conversion for third date"
    "../$RSUBOX" date -T 041000262010.37 '+%r' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '12:26:37 AM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %r conversion for fourth date"
    "../$RSUBOX" date -T 041012262010.37 '+%r' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '12:26:37 PM' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %S conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%S' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for conversions with %t conversion"
    printf '15\t26\n' > ../test_tmp/expected.txt
    "../$RSUBOX" date -T 041015262010.37 '+%H%t%M' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_compare_files 2 ../test_tmp/expected.txt ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %T conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%T' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15:26:37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %u conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%u' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '6' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %U conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%U' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %V conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%V' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %w conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%w' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '6' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %W conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%W' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %x conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%x' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04/10/10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %x conversion and other date"
    "../$RSUBOX" date -T 041015262011.37 '+%x' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04/10/11' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %X conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%X' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15:26:37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %y conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%y' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Y conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Y' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Z conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Z' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content_pattern 2 '^[A-Z][A-Z]*' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Ec conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Ec' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 'Sat Apr 10 15:26:37 2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %EC conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%EC' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '20' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Ex conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Ex' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04/10/10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %EX conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%EX' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15:26:37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Ey conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Ey' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %EY conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%EY' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '2010' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Od conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Od' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Oe conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Oe' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OH conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OH' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '15' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OI conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OI' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '03' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Om conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Om' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '04' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OM conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OM' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '26' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OS conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OS' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '37' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Ou conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Ou' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '6' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OU conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OU' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OV conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OV' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Ow conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Ow' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '6' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %OW conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%OW' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '14' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date prints string for %Oy conversion"
    "../$RSUBOX" date -T 041015262010.37 '+%Oy' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt 

    assert 1 [ 0 = "$?" ] &&
    assert_file_content 2 '10' ../test_tmp/stdout.txt &&
    assert_file_size 3 0 ../test_tmp/stderr.txt
end_test

start_test date "date complains on too many arguments"
    "../$RSUBOX" date -T 041015262010.37 '+%H' xxx > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt

    assert 1 [ 0 != "$?" ] &&
    assert_file_size 2 0 ../test_tmp/stdout.txt &&
    assert_file_content 3 "Too many arguments" ../test_tmp/stderr.txt
end_test

start_test date "date complains on invalid format character"
    "../$RSUBOX" date -T 041015262010.37 '+%f' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt

    assert 1 [ 0 != "$?" ] &&
    assert_file_content 2 "Invalid format character" ../test_tmp/stderr.txt
end_test

start_test date "date complains on no format character"
    "../$RSUBOX" date -T 041015262010.37 '+%' > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt

    assert 1 [ 0 != "$?" ] &&
    assert_file_content 2 "No format character" ../test_tmp/stderr.txt
end_test

start_test date "date complains on invalid date length"
    "../$RSUBOX" date -T 04101526210 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt

    assert 1 [ 0 != "$?" ] &&
    assert_file_content 2 "Invalid date" ../test_tmp/stderr.txt
end_test

start_test date "date complains on non-digit characters of date"
    "../$RSUBOX" date -T xx1015262010 > ../test_tmp/stdout.txt 2> ../test_tmp/stderr.txt

    assert 1 [ 0 != "$?" ] &&
    assert_file_content 2 "Invalid date" ../test_tmp/stderr.txt
end_test