1 

     2 val hw_urban = """+++++[->++++++++++<]>--<+++[->>++++++++++<<]>>++<<----------[+>.>.<+<]"""

     3 assert(jtable(hw_urban) == Map(69 -> 61, 5 -> 20, 60 -> 70, 27 -> 44, 43 -> 28, 19 -> 6))

     4 

     5 val hw_urban1 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""

     6 

     7 assert(jtable(hw_urban1) == Map(14 -> 34, 33 -> 15, 45 -> 44, 48 -> 9, 43 -> 46, 8 -> 49))

     8 

     9 

    10 

    11 assert(run2("[-]", Map(0 -> 100)) == Map(0 -> 0))

    12 assert(run2("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))

    13 assert(run2("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))

    14 val hw_urban2 = """+++++[->++++++++++<]>--<+++[->>++++++++++

    15                   <<]>>++<<----------[+>.>.<+<]"""

    16 assert(run2(hw_urban2) == Map(0 -> 0, 1 -> 58, 2 -> 32))

    17 

    18 val hw_urban3 = """++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.

    19                    +++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."""

    20 

    21 assert(run2(hw_urban3) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))