/**
* Returns the current value, consisting of the {@code prefix}, the values
* added so far separated by the {@code delimiter}, and the {@code suffix},
* unless no elements have been added in which case, the
* {@code prefix + suffix} or the {@code emptyValue} characters are returned
*
* @return \PHPJ\Lang\String
* the string representation of this {@code StringJoiner}
*/
public function toString()
{
if ($this->value == null) {
return $this->emptyValue;
}
if ($this->suffix->equals(new String(""))) {
return $this->value->toString();
}
$initialLength = $this->value->length();
$result = $this->value->append($this->suffix)->toString();
// reset value to pre-append initialLength
$this->value->setLength($initialLength);
return $result;
}
public function testReverse()
{
$sb = new StringBuilder();
$sb->append('This');
$sb->reverse();
$this->assertEquals("sihT", $sb->toString());
$sb->append(1);
$sb->reverse();
$sb->append(1);
$this->assertEquals("1This1", $sb->toString());
}
