rubyx/test/fragments/test_while_fibo.rb

48 lines
2.0 KiB
Ruby

require_relative 'helper'
class TestWhileFragment < MiniTest::Test
include Fragments
def test_while_fibo
@string_input = <<HERE
def fibonaccit(n) # n == r0
a = 0 # a == r1
b = 1 # b = r2
while( n > 1 ) do #BUG comment lines + comments behind function calls
tmp = a # r3 <- r1
a = b # r1 <- r2
b = tmp + b # r4 = r2 + r3 (r4 transient) r2 <- r4
n = n - 1 # r0 <- r2 for call, #call ok
end #r5 <- r0 - 1 n=n-1 through r5 tmp
b.putint()
return b
end # r0 <- r5
fibonaccit( 10 )
HERE
@should = [0x0,0x40,0x2d,0xe9,0x0,0x40,0xa0,0xe3,0x1,0x50,0xa0,0xe3,0x1,0x0,0x53,0xe3,0x4,0x0,0x0,0xda,0x4,0x60,0xa0,0xe1,0x5,0x40,0xa0,0xe1,0x5,0x50,0x86,0xe0,0x1,0x30,0x43,0xe2,0xf8,0xff,0xff,0xea,0x20,0x0,0x2d,0xe9,0x5,0x20,0xa0,0xe1,0xd4,0xff,0xff,0xeb,0x20,0x0,0xbd,0xe8,0x5,0x0,0xa0,0xe1,0x0,0x80,0xbd,0xe8]
@output = " 55 "
@target = [:Object , :fibonaccit]
parse
write "while"
end
# a hand coded version of the fibonachi numbers (moved to kernel to be able to call it)
# not my hand off course, found in the net from a basic introduction
def test_kernel_fibo
int = Register::Integer.new(Virtual::RegisterMachine.instance.receiver_register)
fibo = @object_space.get_or_create_class(:Object).resolve_method(:fibo)
main = @object_space.main
main.mov int , 10
main.call( fibo )
main.mov( Virtual::RegisterMachine.instance.receiver_register , Virtual::RegisterMachine.instance.return_register )
putint = @object_space.get_or_create_class(:Object).resolve_method(:putint)
main.call( putint )
@should = [0x0,0x40,0x2d,0xe9,0x1,0x0,0x52,0xe3,0x2,0x0,0xa0,0xd1,0x7,0x0,0x0,0xda,0x1,0x30,0xa0,0xe3,0x0,0x40,0xa0,0xe3,0x4,0x30,0x83,0xe0,0x4,0x40,0x43,0xe0,0x1,0x20,0x42,0xe2,0x1,0x0,0x52,0xe3,0xfa,0xff,0xff,0x1a,0x3,0x0,0xa0,0xe1,0x0,0x80,0xbd,0xe8]
@target = [:Object , :fibo]
write "fibo"
end
end