def test_dict_to_switch_translate():
from rpython.flowspace.model import summary
d = dict_to_switch({1: 17, 2: 19})
r = interpret(d, [1])
assert r == 17
r = interpret(d, [2])
assert r == 19
with pytest.raises(LLException):
interpret(d, [10])
d = dict_to_switch({'1': 17, '2': 19})
r = interpret(d, ['1'])
assert r == 17
r = interpret(d, ['2'])
assert r == 19
with pytest.raises(LLException):
interpret(d, ['a'])
d = dict_to_switch({'1': 17, '2': 19, '3': 1121, 'a': -12})
def f(i):
c = chr(i)
if not i:
c = 'abc'
try:
return d(c)
except KeyError:
return -1
t, typer, g = gengraph(f, [int])
lookupg = t.graphs[1]
assert summary(lookupg)['direct_call'] == 1 # should be char based
def test_mark_dict_non_null():
def f():
d = {"ac": "bx"}
mark_dict_non_null(d)
return d
t, typer, graph = gengraph(f, [])
assert sorted(graph.returnblock.inputargs[0].concretetype.TO.entries.TO.OF._flds.keys()) == ['key', 'value']
def test_mark_dict_non_null():
def f():
d = {"ac": "bx"}
mark_dict_non_null(d)
return d
t, typer, graph = gengraph(f, [])
assert sorted(graph.returnblock.inputargs[0].concretetype.TO.entries.TO.OF._flds.keys()) == ['key', 'value']
def test_loop_1():
def f(a, b):
while a > 0:
b += a
a -= 1
return b
t, rtyper, graph = gengraph(f, [int, int], viewbefore=False)
regalloc = perform_register_allocation(graph, is_int)
num_renamings = check_valid(graph, regalloc, is_int)
assert num_renamings == 0
def test_loop_2():
def f(a, b):
while a > 0:
b += a
if b < 10:
a, b = b, a
a -= 1
return b
t, rtyper, graph = gengraph(f, [int, int], viewbefore=False)
regalloc = perform_register_allocation(graph, is_int)
check_valid(graph, regalloc, is_int)
def test_loop_1():
def f(a, b):
while a > 0:
b += a
a -= 1
return b
t, rtyper, graph = gengraph(f, [int, int], viewbefore=False)
regalloc = perform_register_allocation(graph, is_int)
num_renamings = check_valid(graph, regalloc, is_int)
assert num_renamings == 0
def gengraph(func,
argtypes=[],
viewbefore='auto',
policy=None,
backendopt=False,
config=None):
return gengraph(func,
argtypes,
viewbefore,
policy,
backendopt=backendopt,
config=config)
def test_collect_step():
def f():
return rgc.collect_step()
assert f()
t, typer, graph = gengraph(f, [])
blockops = list(graph.iterblockops())
opnames = [
op.opname for block, op in blockops if op.opname.startswith('gc__')
]
assert opnames == ['gc__collect_step']
res = interpret(f, [])
assert res
def test_register_custom_trace_hook():
TP = lltype.GcStruct('X')
def trace_func():
xxx # should not be annotated here
lambda_trace_func = lambda: trace_func
def f():
rgc.register_custom_trace_hook(TP, lambda_trace_func)
t, typer, graph = gengraph(f, [])
assert typer.custom_trace_funcs == [(TP, trace_func)]
def test_collect():
def f():
return gc.collect()
t, typer, graph = gengraph(f, [])
ops = list(graph.iterblockops())
assert len(ops) == 1
op = ops[0][1]
assert op.opname == 'gc__collect'
assert len(op.args) == 0
res = interpret(f, [])
assert res is None
def test_collect():
def f():
return gc.collect()
t, typer, graph = gengraph(f, [])
ops = list(graph.iterblockops())
assert len(ops) == 1
op = ops[0][1]
assert op.opname == 'gc__collect'
assert len(op.args) == 0
res = interpret(f, [])
assert res is None
def test_can_move():
T0 = lltype.GcStruct('T')
T1 = lltype.GcArray(lltype.Float)
def f(i):
if i:
return rgc.can_move(lltype.malloc(T0))
else:
return rgc.can_move(lltype.malloc(T1, 1))
t, typer, graph = gengraph(f, [int])
ops = list(graph.iterblockops())
res = [op for op in ops if op[1].opname == 'gc_can_move']
assert len(res) == 2
res = interpret(f, [1])
assert res == True
def test_collect_0():
if sys.version_info < (2, 5):
py.test.skip("requires Python 2.5 to call gc.collect() with an arg")
def f():
return gc.collect(0)
t, typer, graph = gengraph(f, [])
ops = list(graph.iterblockops())
assert len(ops) == 1
op = ops[0][1]
assert op.opname == 'gc__collect'
assert len(op.args) == 1
assert op.args[0].value == 0
res = interpret(f, [])
assert res is None
def test_collect_0():
if sys.version_info < (2, 5):
py.test.skip("requires Python 2.5 to call gc.collect() with an arg")
def f():
return gc.collect(0)
t, typer, graph = gengraph(f, [])
ops = list(graph.iterblockops())
assert len(ops) == 1
op = ops[0][1]
assert op.opname == 'gc__collect'
assert len(op.args) == 1
assert op.args[0].value == 0
res = interpret(f, [])
assert res is None
def test_enable_disable():
def f():
gc.enable()
a = gc.isenabled()
gc.disable()
b = gc.isenabled()
return a and not b
t, typer, graph = gengraph(f, [])
blockops = list(graph.iterblockops())
opnames = [
op.opname for block, op in blockops if op.opname.startswith('gc__')
]
assert opnames == [
'gc__enable', 'gc__isenabled', 'gc__disable', 'gc__isenabled'
]
res = interpret(f, [])
assert res
def test_gengraph():
t, typer, graph = gengraph(main, [int])
def test_gengraph():
t, typer, graph = gengraph(main, [int])
def gengraph(self, func, argtypes=[], viewbefore='auto', policy=None,
backendopt=False, config=None):
return gengraph(func, argtypes, viewbefore, policy, type_system=self.type_system,
backendopt=backendopt, config=config)
def make_graph(f, argtypes):
t, rtyper, graph = gengraph(f, argtypes, viewbefore=False)
if getattr(option, 'view', False):
graph.show()
return graph
def gengraph(func, argtypes=[], viewbefore="auto", policy=None, backendopt=False, config=None):
return gengraph(func, argtypes, viewbefore, policy, backendopt=backendopt, config=config)