import M5b._

assert(combine(optimise(load_bff("benchmark.bf"))).length == 134)
assert(combine(optimise(load_bff("mandelbrot.bf"))).length == 6511)



assert(run4("[-]", Map(0 -> 100)) == Map(0 -> 0))
assert(run4("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
assert(run4("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
val hw_urban2 = """+++++[->++++++++++<]>--<+++[->>++++++++++
                  <<]>>++<<----------[+>.>.<+<]"""
assert(run4(hw_urban2) == Map(0 -> 0, 1 -> 58, 2 -> 32))

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

assert(run4(hw_urban3) == Map(0 -> 0, 5 -> 33, 1 -> 0, 6 -> 10, 2 -> 72, 3 -> 100, 4 -> 87))