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<?php
class NullCoalescingTest extends PHPUnit_Smarty {
public function setUp(): void
{
$this->setUpSmarty('/tmp');
$this->cleanDirs();
}
public function testUndefined() {
$tpl = $this->smarty->createTemplate('string:{$myvar ?? "undefined"}');
$this->assertEquals('undefined', $this->smarty->fetch($tpl));
}
/**
* @dataProvider dataForOther
*/
public function testOther($value, $expected) {
$tpl = $this->smarty->createTemplate('string:{$myvar ?? "undefined"}');
$tpl->assign('myvar', $value);
$this->assertEquals($expected, $this->smarty->fetch($tpl));
}
public function dataForOther() {
return [
[null, 'undefined'],
['blah', 'blah'],
['', ''],
[false, false],
];
}
}
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