/**
* Test whether sandboxed strings do not cause conflicts with is_string, is_object, or is_scalar
*/
public function testSandboxedStringsMimicStrings()
{
$this->sandbox->whitelist_func(array('is_string', 'is_object', 'is_scalar'));
$this->assertEquals(true, $this->sandbox->execute(function () {
return is_string("system");
}));
$this->assertEquals(false, $this->sandbox->execute(function () {
return is_object("system");
}));
$this->assertEquals(true, $this->sandbox->execute(function () {
return is_scalar("system");
}));
}
