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#!/sw/bin/perl -w
use strict;
use YAML::Syck;
use Test::More tests => 11;
SKIP: {
eval { require Devel::Leak; require 5.8.9; 1; }
or skip( "Devel::Leak not installed or perl too old", 11 );
# check if arrays leak
my $yaml = q{---
blah
};
require Symbol;
my $handle = Symbol::gensym();
my $diff;
# For some reason we have to do a full test run of this loop and the
# Devel::Leak test before it's stable. The first time diff ends up
# being -2. This is probably Devel::Leak wonkiness.
my $before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Load($yaml);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
$before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Load($yaml);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
is( $diff, 0, "No leaks - array" );
# Check if hashess leak
$yaml = q{---
result: test
};
$before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Load($yaml);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
is( $diff, 0, "No leaks - hash" );
# Check if subs leak
$YAML::Syck::UseCode = 1;
$yaml = q#---
result: !perl/code: '{ 42 + $_[0] }'
#;
# Initial load to offset one-time load cost of B::Deparse
Load($yaml);
$before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Load($yaml);
}
# Load in list context again
foreach ( 1 .. 100 ) {
() = Load($yaml);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
is( $diff, 0, "No leaks - code" );
$yaml = q{---
a: b
c:
- d
- e
!
};
ok( !eval { Load($yaml) }, "Load failed (expected)" );
$before = Devel::Leak::NoteSV($handle);
eval { Load($yaml) } for ( 1 .. 10 );
$diff = Devel::Leak::NoteSV($handle) - $before;
is( $diff, 0, "No leaks - Load failure" );
$yaml = q#---
result: !perl/code: '{ 42 + + 54ih a; $" }'
#;
{
local $SIG{__WARN__} = sub { };
ok( !eval { Load($yaml) },
"Load failed on code syntax error (expected)" );
$before = Devel::Leak::NoteSV($handle);
eval { Load($yaml) } for ( 1 .. 10 );
$diff = Devel::Leak::NoteSV($handle) - $before;
local $TODO = "It looks like evals leak, but we're better than Storable"
if $diff;
is( $diff, 0, "No leaks - Load failure (code)" );
}
my $todump = {
a => [ { c => { nums => [ '1', '2', '3', '4', '5' ] }, b => 'foo' } ],
d => 'e'
};
ok( eval { Dump($todump) }, "Dump succeeded" );
$before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Dump($todump);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
is( $diff, 0, "No leaks - Dump" );
$todump = sub { 42 };
ok( eval { Dump($todump) }, "Dump succeeded" );
# For some reason we have to do a full test run of this loop and the
# Devel::Leak test before it's stable. The first time diff ends up
# being -1. This is probably Devel::Leak wonkiness.
foreach ( 1 .. 100 ) {
Dump($todump);
}
$before = Devel::Leak::NoteSV($handle);
foreach ( 1 .. 100 ) {
Dump($todump);
}
$diff = Devel::Leak::NoteSV($handle) - $before;
local $TODO = "It looks like evals leak, but we're better than Storable"
if $diff;
is( $diff, 0, "No leaks - Dump code" );
}
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