晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/cloudlinux/alt-php73/root/usr/share/pear/test/File_MARC/tests/
Upload File :
Current File : //opt/cloudlinux/alt-php73/root/usr/share/pear/test/File_MARC/tests/marc_subfield_002.phpt
--TEST--
marc_subfield_002: Exercise setter and isEmpty() methods for File_MARC_Subfield class
--SKIPIF--
<?php include('tests/skipif.inc'); ?>
--FILE--
<?php
$dir = dirname(__FILE__);
require __DIR__ . '/bootstrap.php';

function testEmpty($testSubfield) {
  print "Subfield is ";
  if ($testSubfield->isEmpty()) {
    print "empty.\n";
  }
  else {
    print "not empty.\n";
  }

}

$subfield = new File_MARC_Subfield('a', 'wasssup');

// test isEmpty() scenarios
testEmpty($subfield);

$subfield->setData(null);
testEmpty($subfield);

$subfield->setData('just hangin');
testEmpty($subfield);

// test setCode() scenarios
print "\nSet code to 'z'...";
if ($subfield->setCode('z')) {
  print "\n";
  print $subfield;
}

print "\nSet code to ''...";
if ($subfield->setCode('')) {
  print "\n";
  print $subfield;
}

print "\nSet code to null...";
if ($subfield->setCode(null)) {
  print "\n";
  print $subfield;
}

?>
--EXPECT--
Subfield is not empty.
Subfield is empty.
Subfield is not empty.

Set code to 'z'...
[z]: just hangin
Set code to ''...
Set code to null...