public function testJoin()
{
$arr = array('red', 'green', 'blue');
$str = MString::join($arr, new MString('一二三四五'));
$expected = 'red一二三四五green一二三四五blue';
$this->assertEquals($expected, \strval($str));
}
public function testJoin()
{
$arr = array('red', 'green', 'blue');
$str = MString::join($arr, new MString('一二三四五'));
$expected = 'red一二三四五green一二三四五blue';
$this->assertEquals($expected, \strval($str));
}