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import random
from rpython.translator.c.support import gen_assignments
def test_gen_simple_assignments():
yield gen_check, [('int @', 'a', 'a')]
yield gen_check, [('int @', 'a', 'b')]
yield gen_check, [('int @', 'a', 'b'),
('int @', 'c', 'b')]
yield gen_check, [('int @', 'a', 'b'),
('int @', 'b', 'c')]
yield gen_check, [('int @', 'b', 'c'),
('int @', 'a', 'b')]
yield gen_check, [('int @', 'a', 'b'),
('int @', 'b', 'a')]
yield gen_check, [('int @', 'a', 'b'),
('int @', 'b', 'c'),
('int @', 'd', 'b')]
def gen_check(input):
for _, dst, src in input:
print 'input:', dst, src
result = ' '.join(gen_assignments(input))
print result
result = result.replace('{ int', '').replace('}', '').strip()
d = {}
for _, dst, src in input:
d[src] = '<value of %s>' % (src,)
exec result in d
for _, dst, src in input:
assert d[dst] == '<value of %s>' % (src,)
def test_gen_check():
varlist = list('abcdefg')
for i in range(100):
random.shuffle(varlist)
input = [('int @', varlist[n], random.choice(varlist))
for n in range(random.randrange(1, 7))]
yield gen_check, input
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