question: private void assertReadVarint ( byte [ ] data , long value ) throws Exception { CodedInputStream input = CodedInputStream . newInstance ( data ) ; assertEquals ( ( int ) value , input . readRawVarint32 ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( data ) ; assertEquals ( value , input . readRawVarint64 ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( data ) ; assertEquals ( value , input . readRawVarint64SlowPath ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( data ) ; assertTrue ( input . skipField ( WireFormat . WIRETYPE_VARINT ) ) ; assertDataConsumed ( data , input ) ; for ( int blockSize = 1 ; blockSize <= 16 ; blockSize *= 2 ) { input = CodedInputStream . newInstance ( new SmallBlockInputStream ( data , blockSize ) ) ; assertEquals ( ( int ) value , input . readRawVarint32 ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( new SmallBlockInputStream ( data , blockSize ) ) ; assertEquals ( value , input . readRawVarint64 ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( new SmallBlockInputStream ( data , blockSize ) ) ; assertEquals ( value , input . readRawVarint64SlowPath ( ) ) ; assertDataConsumed ( data , input ) ; input = CodedInputStream . newInstance ( new SmallBlockInputStream ( data , blockSize ) ) ; assertTrue ( input . skipField ( WireFormat . WIRETYPE_VARINT ) ) ; assertDataConsumed ( data , input ) ; } byte [ ] longerData = new byte [ data . length + 1 ] ; System . arraycopy ( data , 0 , longerData , 0 , data . length ) ; InputStream rawInput = new ByteArrayInputStream ( longerData ) ; assertEquals ( ( int ) value , CodedInputStream . readRawVarint32 ( rawInput ) ) ; assertEquals ( 1 , rawInput . available ( ) ) ; }
target:  Parses the given bytes using readRawVarint32() and readRawVarint64() and checks that the result matches the given value.