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# Test case for HDF5 extensible datasets
use strict;
use warnings;
use PDL;
use PDL::IO::HDF5;
use Test::More;
my $filename = "xData.hdf5";
# get rid of filename if it already exists
unlink $filename if( -e $filename);
my $hdf5 = new PDL::IO::HDF5($filename);
my $group=$hdf5->group('group1');
# Store an extensible dataset
my $dataset=$group->dataset('xdata');
my $data1 = pdl [ 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ];
$dataset->set($data1, unlimited => 1);
# read the dataset
my $xdata = $group->dataset("xdata")->get();
my $expected = '[2 3 4 5 6 7 8 9 10 11 12]';
is( "$xdata", $expected);
# write more data
my $data2 = pdl [ 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0 ];
$dataset->set($data2, unlimited => 1);
# read the dataset
$xdata = $group->dataset("xdata")->get();
$expected = '[2 3 4 5 6 7 8 9 10 11 12 13 14]';
is( "$xdata", $expected);
# clean up file
unlink $filename if( -e $filename);
done_testing;
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