/**
* Returns the length of the {@code String} representation
* of this {@code StringJoiner}. Note that if
* no add methods have been called, then the length of the {@code String}
* representation (either {@code prefix + suffix} or {@code emptyValue})
* will be returned. The value should be equivalent to
* {@code toString().length()}.
*
* @return int
* the length of the current value of {@code StringJoiner}
*/
public function length()
{
// Remember that we never actually append the suffix unless we return
// the full (present) value or some sub-string or length of it, so that
// we can add on more if we need to.
return $this->value !== null ? $this->value->length() + $this->suffix->length() : $this->emptyValue->length();
}
/**
* @dataProvider dataGetChars
*/
public function testGetChars($srcBegin, $srcEnd, $dst, $dstBegin, $expected)
{
$dstReturn = $this->string->getCharsFromTo($srcBegin, $srcEnd, $dst, $dstBegin);
$this->assertEquals($expected, (string) $dst);
$this->assertEquals($expected, (string) $dstReturn);
}
