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from rpython.jit.tl.braininterp import BrainInterpreter
from StringIO import StringIO
def run_code(code, inp):
inp_s = StringIO(inp)
out = StringIO()
b = BrainInterpreter()
b.interpret(code, inp_s, out)
return out.getvalue()
def test_braintone():
assert run_code("+++.","") == chr(3)
assert run_code("+++>+++.","") == chr(3)
assert run_code("""++++++++++
[ The initial loop to set up useful values in the array
>+++++++>++++++++++>+++>+<<<<-
]
>++. print 'H'
>+. print 'e'
+++++++. 'l'
. 'l'
+++. 'o'
>++. space
<<+++++++++++++++. 'W'
>. 'o'
+++. 'r'
------. 'l'
--------. 'd'
>+. '!'
>. newline
""", "") == "Hello World!\n"
code = ",----------[----------------------.,----------]"
assert run_code(code, "\x0a") == ""
assert run_code(code, "a\x0a") == "A"
assert run_code(code, "aa\x0a") == "AA"
assert run_code(code, "lowercase\x0a") == "LOWERCASE"
add_code = ",>++++++[<-------->-],[<+>-],<.>."
assert run_code(add_code, "43 ") == "7 "
assert run_code(add_code, "12 ") == "3 "
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