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|
#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
BEGIN {
$ENV{PERL_FUTURE_DEBUG} = 1;
}
use Future;
use Time::HiRes qw( gettimeofday tv_interval );
my $LINE;
my $LOSTLINE;
sub warnings(&)
{
my $code = shift;
my $warnings = "";
local $SIG{__WARN__} = sub { $warnings .= shift };
$code->();
$LOSTLINE = __LINE__; return $warnings;
}
is( warnings {
my $f = Future->new;
$f->done;
}, "", 'Completed Future does not give warning' );
is( warnings {
my $f = Future->new;
$f->cancel;
}, "", 'Cancelled Future does not give warning' );
like( warnings {
$LINE = __LINE__; my $f = Future->new;
undef $f;
},
qr/^Future=\S+ was constructed at \Q$0\E line $LINE and was lost near \Q$0\E line (?:$LOSTLINE|${\($LINE+1)}) before it was ready\.?$/,
'Lost Future raises a warning' );
my $THENLINE;
my $SEQLINE;
like( warnings {
$LINE = __LINE__; my $f1 = Future->new;
$THENLINE = __LINE__; my $fseq = $f1->then( sub { } ); undef $fseq;
$SEQLINE = __LINE__; $f1->done;
},
qr/^Future=\S+ was constructed at \Q$0\E line $THENLINE and was lost near \Q$0\E line (?:$SEQLINE|$THENLINE) before it was ready\.?
Future=\S+ \(constructed at \Q$0\E line $LINE\) lost a sequence Future at \Q$0\E line $SEQLINE\.?$/,
'Lost sequence Future raises warning' );
like( warnings {
$LINE = __LINE__; my $f = Future->fail("Failed!");
undef $f;
},
qr/^Future=\S+ was constructed at \Q$0\E line $LINE and was lost near \Q$0\E line (?:$LOSTLINE|${\($LINE+1)}) with an unreported failure of: Failed!\.?/,
'Destroyed failed future raises warning' );
{
local $Future::TIMES = 1;
my $before = [ gettimeofday ];
my $future = Future->new;
ok( defined $future->btime, '$future has btime with $TIMES=1' );
ok( tv_interval( $before, $future->btime ) >= 0, '$future btime is not earlier than $before' );
$future->done;
ok( defined $future->rtime, '$future has rtime with $TIMES=1' );
ok( tv_interval( $future->btime, $future->rtime ) >= 0, '$future rtime is not earlier than btime' );
ok( tv_interval( $future->rtime ) >= 0, '$future rtime is not later than now' );
ok( defined $future->elapsed, '$future has ->elapsed time' );
ok( $future->elapsed >= 0, '$future elapsed time >= 0' );
}
done_testing;
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