assertSame('Y|Z|AA|AB|AC', $res);
}
public function testColumnRangeErrorOnWrongFormat(): void{
$this->expectException(MalformattedRangeStringException::class);
$columns = ConverterHelpers::RangeToColumnArray("-AC");
}
public function testColumnRangeErrorOnTwoLetterColumnFirst(): void{
$this->expectException(MalformattedRangeStringException::class);
$columns = ConverterHelpers::RangeToColumnArray("AC-Y");
}
public function testColumnRangeErrorOnHigherColumnFirst(): void{
$this->expectException(MalformattedRangeStringException::class);
$columns = ConverterHelpers::RangeToColumnArray("Z-B");
}
}