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import py
from rpython.rtyper.rtuple import TUPLE_TYPE, TupleRepr
from rpython.rtyper.lltypesystem.lltype import Signed, Bool
from rpython.rtyper.rbool import bool_repr
from rpython.rtyper.rint import signed_repr
from rpython.rtyper.test.tool import BaseRtypingTest
from rpython.rtyper.error import TyperError
from rpython.rlib.objectmodel import compute_hash
from rpython.translator.translator import TranslationContext
def test_rtuple():
rtuple = TupleRepr(None, [signed_repr, bool_repr])
assert rtuple.lowleveltype == TUPLE_TYPE([Signed, Bool])
# ____________________________________________________________
class TestRtuple(BaseRtypingTest):
def test_simple(self):
def dummyfn(x):
l = (10, x, 30)
return l[2]
res = self.interpret(dummyfn, [4])
assert res == 30
def test_len(self):
def dummyfn(x):
l = (5,x)
return len(l)
res = self.interpret(dummyfn, [4])
assert res == 2
def test_return_tuple(self):
def dummyfn(x, y):
return (x<y, x>y)
res = self.interpret(dummyfn, [4,5])
assert res.item0 == True
assert res.item1 == False
def test_tuple_concatenation(self):
def f(n):
tup = (1,n)
tup1 = (3,)
res = tup + tup1 + ()
return res[0]*100 + res[1]*10 + res[2]
res = self.interpret(f, [2])
assert res == 123
def test_tuple_concatenation_mix(self):
def f(n):
tup = (1,n)
tup1 = ('3',)
res = tup + tup1
return res[0]*100 + res[1]*10 + ord(res[2]) - ord('0')
res = self.interpret(f, [2])
assert res == 123
def test_constant_tuple_contains(self):
def f(i):
t1 = (1, 2, 3, 4)
return i in t1
res = self.interpret(f, [3])
assert res is True
res = self.interpret(f, [0])
assert res is False
def test_constant_tuple_contains2(self):
def t1():
return (1,2,3,4)
def f(i):
return i in t1()
res = self.interpret(f, [3])
assert res is True
res = self.interpret(f, [0])
assert res is False
def test_constant_tuple_contains3(self):
def f(i):
return i in ()
res = self.interpret(f, [3])
assert res is False
def test_constant_tuple_contains4(self):
def f(i):
return i in (3,)
res = self.interpret(f, [3])
assert res is True
res = self.interpret(f, [4])
assert res is False
def test_constant_unichar_tuple_contains(self):
def f(i):
return unichr(i) in (u'1', u'9')
res = self.interpret(f, [49])
assert res is True
res = self.interpret(f, [50])
assert res is False
def test_constant_tuple_contains_bug(self):
def f(i):
return chr(i) in ('1', '2', '34') # the '34' can never match
res = self.interpret(f, [ord('1')])
assert res is True
res = self.interpret(f, [ord('3')])
assert res is False
def test_conv(self):
def t0():
return (3, 2, None)
def t1():
return (7, 2, "xy")
def f(i):
if i == 1:
return t1()
else:
return t0()
res = self.interpret(f, [1])
assert res.item0 == 7
assert self.ll_to_string(res.item2) == "xy"
res = self.interpret(f, [0])
assert res.item0 == 3
assert not res.item2
def test_constant_tuples_shared(self):
def g(n):
x = (n, 42) # constant (5, 42) detected by the annotator
y = (5, 42) # another one, built by the flow space
z = x + () # yet another
return x, y, z
def f():
return g(5)
res = self.interpret(f, [])
assert res.item0 == res.item1 == res.item2
def test_inst_tuple_getitem(self):
class A:
pass
class B(A):
pass
def f(i):
if i:
x = (1, A())
else:
x = (1, B())
return x[1]
res = self.interpret(f, [0])
assert self.class_name(res) == "B"
def test_inst_tuple_add_getitem(self):
class A:
pass
class B(A):
pass
def f(i):
x = (1, A())
y = (2, B())
if i:
z = x + y
else:
z = y + x
return z[1]
res = self.interpret(f, [1])
assert self.class_name(res) == "A"
res = self.interpret(f, [0])
assert self.class_name(res) == "B"
def test_type_erase(self):
class A(object):
pass
class B(object):
pass
def f():
return (A(), B()), (B(), A())
t = TranslationContext()
s = t.buildannotator().build_types(f, [])
rtyper = t.buildrtyper()
rtyper.specialize()
s_AB_tup = s.items[0]
s_BA_tup = s.items[1]
r_AB_tup = rtyper.getrepr(s_AB_tup)
r_BA_tup = rtyper.getrepr(s_AB_tup)
assert r_AB_tup.lowleveltype == r_BA_tup.lowleveltype
def test_tuple_hash(self):
def f(i, j):
return compute_hash((i, j))
res1 = self.interpret(f, [12, 27])
res2 = self.interpret(f, [27, 12])
assert res1 != res2
def test_constant_tuple_hash_str(self):
def f(i):
if i:
t = (None, "abc")
else:
t = ("abc", None)
return compute_hash(t)
res1 = self.interpret(f, [0])
res2 = self.interpret(f, [1])
assert res1 != res2
def test_tuple_to_list(self):
def f(i, j):
return list((i, j))
res = self.interpret(f, [2, 3])
assert self.ll_to_list(res) == [2, 3]
def test_tuple_iterator_length1(self):
def f(i):
total = 0
for x in (i,):
total += x
return total
res = self.interpret(f, [93813])
assert res == 93813
def test_tuple_iterator_reversed_unsupported(self):
def f(i):
total = 0
t = (i,)
for x in reversed(t):
total += x
return total
py.test.raises(TyperError, self.interpret, f, [93813])
def test_inst_tuple_iter(self):
class A:
pass
class B(A):
pass
def f(i):
if i:
x = (A(),)
else:
x = (B(),)
l = None
for y in x:
l = y
return l
res = self.interpret(f, [0])
assert self.class_name(res) == "B"
def test_access_in_try(self):
def f(sq):
try:
return sq[2]
except ZeroDivisionError:
return 42
return -1
def g(n):
t = (1,2,n)
return f(t)
res = self.interpret(g, [3])
assert res == 3
def test_void_items(self):
def f():
return 6
def getf():
return f
def g():
f1 = getf()
return (f1, 12)
def example():
return g()[0]()
res = self.interpret(example, [])
assert res == 6
def test_empty_tuple(self):
def f():
lst = [(), (), ()]
res = []
for x in lst:
res.append(list(x))
assert res[0] == res[1] == res[2] == []
self.interpret(f, [])
def test_slice(self):
def g(n):
t = (1.5, "hello", n)
return t[1:] + t[:-1] + t[12:] + t[0:2]
def f(n):
res = g(n)
assert len(res) == 6
assert res[0] == "hello"
assert res[1] == n
assert res[2] == 1.5
assert res[3] == "hello"
assert res[4] == 1.5
assert res[5] == "hello"
self.interpret(f, [9])
def test_tuple_eq(self):
def f(n):
return (n, 6) == (3, n*2)
res = self.interpret(f, [3])
assert res is True
res = self.interpret(f, [2])
assert res is False
def test_tuple_ne(self):
def f(n):
return (n, 6) != (3, n*2)
res = self.interpret(f, [3])
assert res is False
res = self.interpret(f, [2])
assert res is True
def test_tuple_eq_list(self):
def f(n):
lst1 = [1, n]
lst1.append(3)
return (lst1, 52) == ([1, 53, 3], n-1)
res = self.interpret(f, [53])
assert res is True
def test_compare_list_char_str(self):
def fn(i, j):
t1 = ([str(i)],)
t2 = ([chr(j)],)
return t1 == t2
res = self.interpret(fn, [65, 65])
assert res is False
res = self.interpret(fn, [1, 49])
assert res is True
def test_tuple_hash_2(self):
def f(n):
return compute_hash((n, 6)) == compute_hash((3, n*2))
res = self.interpret(f, [3])
assert res is True
def test_tuple_str(self):
def f(n):
assert str(()) == "()"
assert str((n,)) == "(%d,)" % n
assert str((n, 6)) == "(%d, 6)" % n
assert str(((n,),)) == "((%d,),)" % n
self.interpret(f, [3])
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