6     fn pad_block(block: &mut [u8], pos: usize) -> Result<(), PadError> {  in pad_block()
7         if pos == block.len() {  in pad_block()
11         let padding_length = block.len() - pos - 1;  in pad_block()
16         set(&mut block[pos..], padding_length as u8);  in pad_block()
62                 let mut block = vec![0; original_length + padding_length + 1];  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()  localVariable
63                 rand::thread_rng().fill(&mut block[0..original_length]);  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()
64                 let original = block[0..original_length].to_vec();  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()
65                 DtlsPadding::pad_block(&mut block, original_length)?;  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()
67                 for byte in block[original_length..].iter() {  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()
70                 assert_eq!(block[0..original_length], original);  in padding_length_is_amount_of_bytes_excluding_the_padding_length_itself()
80             let mut block = vec![0; original_length];  in full_block_is_padding_error()  localVariable
81             let r = DtlsPadding::pad_block(&mut block, original_length);  in full_block_is_padding_error()
90             let mut block = vec![0; original_length + padding_length + 1];  in padding_length_bigger_than_255_is_a_pad_error()  localVariable
91             let r = DtlsPadding::pad_block(&mut block, original_length);  in padding_length_bigger_than_255_is_a_pad_error()
113                 let mut block = vec![0; padding_length + 1];  in one_of_the_padding_bytes_with_value_different_than_padding_length_is_unpadding_error()  localVariable
114                 DtlsPadding::pad_block(&mut block, 0).unwrap();  in one_of_the_padding_bytes_with_value_different_than_padding_length_is_unpadding_error()
116                 assert_eq!(DtlsPadding::unpad(&block).ok(), Some(&[][..]));  in one_of_the_padding_bytes_with_value_different_than_padding_length_is_unpadding_error()
117                 block[invalid_byte] = (padding_length - 1) as u8;  in one_of_the_padding_bytes_with_value_different_than_padding_length_is_unpadding_error()
118                 let r = DtlsPadding::unpad(&block);  in one_of_the_padding_bytes_with_value_different_than_padding_length_is_unpadding_error()