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package Test;
require 5.002;
use strict;
# Tell head to accept old-style options like `-1'.
$Test::env_default = ['_POSIX2_VERSION=199209'];
my @tv = (
# test name, options, input, expected output, expected return code
#
['idem-0', '', "", "", 0],
['idem-1', '', "a", "a", 0],
['idem-2', '', "\n", "\n", 0],
['idem-3', '', "a\n", "a\n", 0],
['basic-0-10', '',
"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n",
"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n", 0],
['basic-0-09', '',
"1\n2\n3\n4\n5\n6\n7\n8\n9\n",
"1\n2\n3\n4\n5\n6\n7\n8\n9\n", 0],
['basic-0-11', '',
"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\nb\n",
"1\n2\n3\n4\n5\n6\n7\n8\n9\n0\n", 0],
['obs-0', '-1', "1\n2\n", "1\n", 0],
['obs-1', '-1c', "", "", 0],
['obs-2', '-1c', "12", "1", 0],
['obs-3', '-14c', "1234567890abcdefg", "1234567890abcd", 0],
['obs-4', '-2b', [\'in'], [\'in-1024'], 0],
['obs-5', '-1k', [\'in'], [\'in-1024'], 0],
# This test fails for textutils-1.22, because head let 4096m overflow to 0
# and did not fail. Now head fails with a diagnostic.
# Disable this test because it fails on systems with 64-bit longs.
# ['fail-0', '-n 4096m', "a\n", "", 1],
# In spite of its name, this test passes -- just to contrast with the above.
['fail-1', '-n 2048m', "a\n", "a\n", 0],
# Make sure we don't break like AIX 4.3.1 on files with \0 in them.
['null-1', '', "a\0a\n", "a\0a\n", 0],
# Make sure counts are interpreted as decimal.
# Before 2.0f, these would have been interpreted as octal
['no-oct-1', '-08', "\n"x12, "\n"x8, 0],
['no-oct-2', '-010', "\n"x12, "\n"x10, 0],
['no-oct-3', '-n 08', "\n"x12, "\n"x8, 0],
['no-oct-4', '-c 08', "\n"x12, "\n"x8, 0],
);
sub test_vector
{
my @derived_tests;
foreach my $t (@tv)
{
my ($test_name, $flags, $in, $exp, $ret) = @$t;
# Derive equivalent, posix-style tests from the obsolescent ones.
next if $test_name !~ /^obs-/;
$test_name =~ s/^obs-/posix-/;
if ($flags =~ /-(\d+)$/)
{
$flags = "-n $1";
}
elsif ($flags =~ /-(\d+)([cbk])$/)
{
my $suffix = $2;
$suffix = '' if $suffix eq 'c';
$flags = "-c $1$suffix";
}
else
{
$flags = "-l $`";
}
push (@derived_tests, [$test_name, $flags, $in, $exp, $ret]);
}
foreach my $t (@tv, @derived_tests)
{
my ($test_name) = @$t;
$Test::input_via{$test_name} = {REDIR => 0, FILE => 0, PIPE => 0}
}
return (@tv, @derived_tests);
}
1;
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