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use strict;
use warnings;
use Test::More 0.88;
require './t/TestUtils.pm';
t::TestUtils->import();
# Test unbuffered paging
SKIP: {
skip_interactive();
require IO::Pager;
diag "\n".
"Reading is fun! Here is some text: ABCDEFGHIJKLMNOPQRSTUVWXYZ\n".
"This text should be displayed directly on screen, not within a pager.\n".
"\n";
select STDERR;
my $A = prompt("\nWas the text displayed directly on screen? [Yn]");
ok is_yes($A), 'Diagnostic';
{
local $STDOUT = new IO::Pager *BOB; # IO::Pager::Unbuffered by default
isa_ok $STDOUT, 'IO::Pager::Unbuffered';
isa_ok $STDOUT, 'Tie::Handle';
eval {
my $i = 0;
$SIG{PIPE} = sub{ "Work complete" };
while (1) {
printf BOB "%06i Printing text in a pager. Exit at any time, usually by pressing 'Q'.\n", $i++;
sleep 1 unless $i%400;
}
};
close BOB;
}
$A = prompt("\nWas the text displayed in a pager? [Yn]");
ok is_yes($A), 'Unbuffered glob filehandle';
}
done_testing;
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