The origional size reports as: 1
Writing "hello" from char 0, result code:accumulator: delta size is 6
accumulator: inserting 6 bytes
 6 
Size reports as: 7
Reading 6 characters from char 0, result code: 6 
With string: hello
Writing "world" from char 0, result code: accumulator: delta size is 5
accumulator: inserting 5 bytes
5 
Size reports as: 12
Reading 11 characters from char 0, result code: 11 
With string: helworldlo
Writing "12345" from char 20, result code: 0 
Size reports as: 12
Reading 11 characters from char 0, result code: 11 
With string: helworldlo
Writing "67890" from char 8, result code: accumulator: delta size is 1
accumulator: inserting 1 bytes
5 
Size reports as: 13
Reading 13 characters from char 0, result code: 13 
With string: helworld67890
Done testing accumulator2