def test_only_methods(self):
trace = CTrace()
cb = CCallback(1, 1, "", "void m1()", [TestGrounding._get_null()],
None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ci1 = CCallin(1, 1, "", "void m2()", [TestGrounding._get_null()], None)
ci2 = CCallin(1, 1, "", "void m2()", [TestGrounding._get_null()], None)
ci3 = CCallin(1, 1, "", "void m2()", [TestGrounding._get_null()], None)
cb.add_msg(ci1)
cb.add_msg(ci2)
cb.add_msg(ci3)
trace.add_msg(cb)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] void m2() |- [CB] [EXIT] void m1()")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(1 == len(ground_specs))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC ! ([CB] [ENTRY] void m3()) |- [CB] [ENTRY] void m1()")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(1 == len(ground_specs))
self.assertTrue(
new_star(new_true()) == get_regexp_node(ground_specs[0].ast))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] void m3() |- [CB] [ENTRY] void m1()")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(0 == len(ground_specs))
def test_iss161(self):
trace = CTrace()
cb1 = CCallback(1, 1, "", "void doA()", [TestGrounding._get_int(2)],
None,
[TestGrounding._get_fmwkov("", "void doA()", False)])
trace.add_msg(cb1)
cb2 = CCallback(1, 1, "", "void doB()", [TestGrounding._get_int(1)],
None,
[TestGrounding._get_fmwkov("", "void doB()", False)])
trace.add_msg(cb2)
cb3 = CCallback(1, 1, "", "void doA()", [TestGrounding._get_int(3)],
None,
[TestGrounding._get_fmwkov("", "void doA()", False)])
trace.add_msg(cb3)
gs = GroundSpecs(trace)
#specs = Spec.get_specs_from_string("SPEC [CB] [ENTRY] [l] void doA(); (! [CB] [ENTRY] [l] void doA()) |- [CB] [ENTRY] [l2] void doB()")
specs = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void doA(); [CB] [ENTRY] [l] void doA() |- [CB] [ENTRY] [l2] void doB()"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void doA(); (! [CB] [ENTRY] [l] void doA()) |- [CB] [ENTRY] [l] void doB()"
)
ground_specs = gs.ground_spec(specs[0])
for g in ground_specs:
g.print_spec(sys.stdout)
print ""
def test_iss131_2(self):
trace = CTrace()
cb1 = CCallback(1, 1, "", "void doA()", [TestGrounding._get_int(2)],
None,
[TestGrounding._get_fmwkov("", "void doA()", False)])
trace.add_msg(cb1)
cb2 = CCallback(1, 1, "", "void doB()", [TestGrounding._get_int(1)],
None,
[TestGrounding._get_fmwkov("", "void doB()", False)])
trace.add_msg(cb2)
cb3 = CCallback(1, 1, "", "void doC()", [TestGrounding._get_int(1)],
None,
[TestGrounding._get_fmwkov("", "void doC()", False)])
trace.add_msg(cb3)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC ([CB] [ENTRY] [l] void doA() | [CB] [ENTRY] [l] void doB()) |- [CB] [ENTRY] [f] void doC()"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [2] void doA() |- [CB] [ENTRY] [1] void doC();"
+
"SPEC [CB] [ENTRY] [1] void doB() |- [CB] [ENTRY] [1] void doC()")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
def test_regexp_and(self):
trace = CTrace()
cb = CCallback(1, 1, "", "void m1()", [TestGrounding._get_null()],
None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ci1 = CCallin(1, 1, "", "void doA()", [TestGrounding._get_int(1)],
None)
ci2 = CCallin(1, 1, "", "void doB()", [TestGrounding._get_int(1)],
None)
ci3 = CCallin(1, 1, "", "void doC()", [TestGrounding._get_int(2)],
None)
cb.add_msg(ci1)
cb.add_msg(ci2)
cb.add_msg(ci3)
trace.add_msg(cb)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC ([CI] [ENTRY] [l] void doA() & [CI] [ENTRY] [l] void doB()) |- [CI] [ENTRY] [f] void doC()"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC ([CI] [ENTRY] [1] void doA() & [CI] [ENTRY] [1] void doB()) |- [CI] [ENTRY] [2] void doC()"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
def test_instantiate_regexp(self):
spec_string = "REGEXP pollo(x,y) = [[CB] [ENTRY] [x] type methodName(y : boolean)]; SPEC pollo(1,2) |- pollo(x,y)"
res = "SPEC [CB] [ENTRY] [1] type methodName(2 : boolean) |- [CB] [ENTRY] [x] type methodName(y : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
spec_string = "REGEXP pollo(x,y) = [[CB] [ENTRY] [x] type methodName(z : boolean)]; SPEC pollo(1,2) |- pollo(x,y)"
res = "SPEC [CB] [ENTRY] [1] type methodName(z : boolean) |- [CB] [ENTRY] [x] type methodName(z : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
spec_string = """REGEXP pollo1(x,y) = [[CB] [ENTRY] [x] type methodName1(y : boolean)];
REGEXP pollo2(x,y) = [[CB] [ENTRY] [x] type methodName2(y : boolean)];
SPEC pollo1(1,2) |- pollo2(x,y)"""
res = "SPEC [CB] [ENTRY] [1] type methodName1(2 : boolean) |- [CB] [ENTRY] [x] type methodName2(y : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
with self.assertRaises(Exception):
# pollo with 1 arguments is not declared
spec_string = "REGEXP pollo(x) = [[CB] [ENTRY] [x] type methodName(z : boolean)]; SPEC pollo(1,2) |- pollo(x)"
specs = Spec.get_specs_from_string(spec_string)
spec_list = Spec.get_specs_from_string("""
REGEXP pollo(x) = [[CI] [ENTRY] [x] void method_name()];
SPEC pollo(l) |- TRUE ALIASES method_name = [subs1]""")
res = "SPEC [CI] [ENTRY] [l] void subs1() |- TRUE"
self.assertTrue(len(spec_list) == 1)
self.assertTrue(str(spec_list[0]) == res)
def test_aliasing(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name() |- TRUE ALIASES method_name = [subs1]"
)
res = "SPEC [CI] [ENTRY] [l] void subs1() |- TRUE"
self.assertTrue(len(spec_list) == 1)
self.assertTrue(str(spec_list[0]) == res)
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name2(); " +
" [CI] [ENTRY] [l] void method_name(); " +
" [CI] [ENTRY] [l] void method_name() " +
" |- [CI] [ENTRY] [l] void method_name() " +
"ALIASES method_name = [subs1]")
res = [
"SPEC (([CI] [ENTRY] [l] void method_name2(); " +
"[CI] [ENTRY] [l] void subs1()); [CI] [ENTRY] [l] void subs1()) |- "
+ "[CI] [ENTRY] [l] void subs1()"
]
self.assertTrue(len(spec_list) == len(res))
for i in range(len(res)):
self.assertTrue(str(spec_list[i]) in res)
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name() |- TRUE " +
"ALIASES method_name = [subs1, subs2]")
res = [
"SPEC [CI] [ENTRY] [l] void subs1() |- TRUE",
"SPEC [CI] [ENTRY] [l] void subs2() |- TRUE"
]
self.assertTrue(len(spec_list) == len(res))
for i in range(len(res)):
self.assertTrue(str(spec_list[i]) in res)
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name() |- " +
"[CI] [ENTRY] [l] void method_name2() " +
"ALIASES method_name = [subs1, subs2], method_name2 = [subs3, subs4]"
)
res = [
"SPEC [CI] [ENTRY] [l] void subs1() |- [CI] [ENTRY] [l] void subs3()",
"SPEC [CI] [ENTRY] [l] void subs1() |- [CI] [ENTRY] [l] void subs4()",
"SPEC [CI] [ENTRY] [l] void subs2() |- [CI] [ENTRY] [l] void subs3()",
"SPEC [CI] [ENTRY] [l] void subs2() |- [CI] [ENTRY] [l] void subs4()"
]
self.assertTrue(len(spec_list) == len(res))
for i in range(len(res)):
self.assertTrue(str(spec_list[i]) in res)
def check_sg(test):
(r, t, expected_specs_str) = test
trace = TestGrounding.get_trace(t)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(r)
ground_specs = gs.ground_spec(specs[0])
expected_ground_specs = Spec.get_specs_from_string(expected_specs_str)
if expected_ground_specs is None:
expected_ground_specs = []
assert (TestGrounding._eq_specs(ground_specs, expected_ground_specs))
def test_get_ground_spec_ts(self):
def _encode_error(accepting, final):
f_error = FALSE()
for f in accepting:
f_error = Or(f, f_error)
f_error = And(f_error, final)
return f_error
spec_list = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void m1() |- [CI] [ENTRY] [l] void m2()")
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ground_s = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [1] void m1() |- [CI] [ENTRY] [1] void m2()")[0]
ts_enc = TSEncoder(ctrace, [])
ts_var = ts_enc._encode_vars()
accepting = []
gs_ts = ts_enc._get_ground_spec_ts(ground_s, 0, accepting)
gs_ts.product(ts_var)
error = _encode_error(accepting, TRUE())
self.assertTrue(
self._accept_word(ts_enc, gs_ts, ["[CB]_[ENTRY]_void m1()(1)"],
error))
self.assertFalse(
self._accept_word(ts_enc, gs_ts, ["[CI]_[ENTRY]_void m2()(1)"],
error))
# check the disable
error = _encode_error(
accepting, TSEncoder._get_state_var("[CI]_[ENTRY]_void m2()(1)"))
self.assertFalse(
self._accept_word(ts_enc, gs_ts, ["[CB]_[ENTRY]_void m1()(1)"],
error))
self.assertFalse(
self._accept_word(ts_enc, gs_ts, ["[CI]_[ENTRY]_void m2()(1)"],
error))
def test_simplify_exit_callin(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CB] [EXIT] [l] void m1() |- [CI] [ENTRY] [l] void m3()")
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m3()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb2 = CCallback(1, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m2()", False)])
ctrace.add_msg(cb2)
ts_enc = TSEncoder(ctrace, spec_list, True)
ts_enc.trace.print_trace(sys.stdout)
self.assertTrue(3 == ts_enc.trace_length)
ts = ts_enc.get_ts_encoding()
trace_enc = ts_enc.get_trace_encoding()
print trace_enc
self.assertTrue(len(trace_enc) == 3)
bmc = BMC(ts_enc.helper, ts, FALSE())
(step, cex, _) = bmc.simulate(trace_enc)
self.assertTrue(cex is not None)
def test_simplify_2(self):
spec_list = Spec.get_specs_from_string(
"SPEC FALSE[*] |- [CB] [ENTRY] [l] void m3(); SPEC FALSE[*] |- [CI] [ENTRY] [l] void m4()"
)
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb = CCallback(1, 1, "", "void m5()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m5()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m4()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb = CCallback(1, 1, "", "void m3()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m3()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m4()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ts_enc = TSEncoder(ctrace, spec_list, True)
self.assertTrue(4 == ts_enc.trace.get_total_msg())
def test_multiple_single_cb(self):
spec_list = Spec.get_specs_from_string(
"SPEC FALSE[*] |- [CB] [ENTRY] [l] void m3(); SPEC FALSE[*] |- [CI] [ENTRY] [l] void m4()"
)
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb = CCallback(1, 1, "", "void m5()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m5()", False)])
ctrace.add_msg(cb)
cb = CCallback(1, 1, "", "void m3()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m3()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m4()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ts_enc = TSEncoder(ctrace, spec_list)
ts = ts_enc.get_ts_encoding()
error = ts_enc.error_prop
bmc = BMC(ts_enc.helper, ts, error)
cex = bmc.find_bug(2, True)
self.assertTrue(cex is None)
def test_exception(self):
""" Test the removal of exception from top-level callbacks
"""
spec_list = Spec.get_specs_from_string(
"SPEC FALSE[*] |- [CI] [ENTRY] void m2()")
ctrace = CTrace()
cb1 = CCallback(1, 1, "", "void m1()", [TestGrounding._get_null()],
None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
cb1.exception = CTraceException("void m1()", "",
"NullPointerException",
"NullPointerException message")
ci1 = CCallin(1, 1, "", "void m2()", [TestGrounding._get_null()], None)
cb1.add_msg(ci1)
ctrace.add_msg(cb1)
cb2 = CCallback(1, 1, "", "void m1()", [TestGrounding._get_null()],
None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ci2 = CCallin(1, 1, "", "void m3()", [TestGrounding._get_null()], None)
cb2.add_msg(ci2)
ctrace.add_msg(cb2)
ts_enc = TSEncoder(ctrace, spec_list)
assert (1 == len(ts_enc.trace.children))
ts = ts_enc.get_ts_encoding()
bmc = BMC(ts_enc.helper, ts, ts_enc.error_prop)
# if the first callback is removed, m2 cannot be called anymore
self.assertTrue(bmc.find_bug(2) is None)
self.assertTrue(bmc.find_bug(2, True) is None)
def test_cex_printer_exit(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void m1() |- [CB] [EXIT] [l] void m1()")
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj(1, "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m2()",
[TestGrounding._get_obj(1, "string")], None)
cb.add_msg(ci)
ts_enc = TSEncoder(ctrace, spec_list)
ts = ts_enc.get_ts_encoding()
error = ts_enc.error_prop
bmc = BMC(ts_enc.helper, ts, error)
cex = bmc.find_bug(4)
cex = bmc.find_bug(4, True)
self.assertFalse(cex is None)
stringio = StringIO()
printer = CexPrinter(ts_enc.mapback, cex, stringio)
printer.print_cex()
io_string = stringio.getvalue()
self.assertTrue(
"SPEC [CB] [ENTRY] [1] void m1() |- [CB] [EXIT] [1] void m1()" in
io_string)
self.assertTrue("Reached an error state in step 4" in io_string)
def _test_parse(self, spec, same_out=True):
res = spec_parser.parse(spec)
self.assertTrue(res is not None)
# test the printing of the spec ast
stringio = StringIO()
pretty_print(res, stringio)
# print "---"
# print spec
# pretty_print(res, sys.stdout)
# print "\n---"
self.assertTrue((not same_out) or stringio.getvalue() == spec)
Spec.get_specs_from_string(stringio.getvalue())
def __init__(self, opts):
self.opts = opts
self.stats = Stats()
self.stats.enable()
# Parse the trace
try:
self.stats.start_timer(Stats.PARSING_TIME)
self.trace = CTraceSerializer.read_trace_file_name(self.opts.tracefile,
self.opts.traceformat == "json",
self.opts.allow_exception)
self.stats.stop_timer(Stats.PARSING_TIME)
self.stats.write_times(sys.stdout, Stats.PARSING_TIME)
except MalformedTraceException as e:
raise
except TraceEndsInErrorException as e:
raise
except Exception as e:
raise Exception("An error happened reading the trace in %s (%s)" % (self.opts.tracefile,
e.message))
# Parse the specs
self.spec_list = Spec.get_specs_from_files(self.opts.spec_file_list)
if self.spec_list is None:
raise Exception("Error parsing the specification file!")
def test_spec_creation(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name() |- TRUE; " +
"SPEC [CI] [EXIT] [l] void method_name() |- TRUE;" +
"SPEC [CI] [ENTRY] [b] void android.widget.Button.setOnClickListener(l : type) |+ [CB] [ENTRY] [l] void onClick(b : type);"
+
"SPEC TRUE[*]; [CI] [EXIT] [b] void android.widget.Button.setOnClickListener(l : type) |+ [CB] [ENTRY] [l] void onClick(b : type)"
)
self.assertTrue(len(spec_list) == 4)
def test_array_types(self):
test_path = os.path.dirname(cbverifier.test.examples.__file__)
t1 = os.path.join(test_path, "trace_array.json")
trace = CTraceSerializer.read_trace_file_name(t1, True)
self.assertTrue(trace is not None)
spec_file_path = os.path.join(test_path, "spec_array.spec")
specs = Spec.get_specs_from_files([spec_file_path])
self.assertTrue(specs is not None)
self.assertTrue(len(specs) == 1)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [1] java.lang.String android.app.Activity.getString(2131427336 : int,4fe67f6 : java.lang.Object[],efe45f6 : java.lang.Test[][]) |- [CI] [ENTRY] [1] java.lang.String android.app.Activity.getString(2131427336 : int, 4fe67f6 : java.lang.Object[],efe45f6 : java.lang.Test[][])"
)
self.assertTrue(real_ground_spec is not None)
gs = GroundSpecs(trace)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(ground_specs is not None)
self.assertTrue(1 == len(ground_specs))
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
def test_090_multiple_cbs(self):
spec_list = Spec.get_specs_from_string("SPEC FALSE[*] |- [CI] [ENTRY] [l] void m4();" \
"SPEC FALSE[*] |- [CB] [ENTRY] [l] void m3();" \
"SPEC [CB] [ENTRY] [l1] void m1() |+ [CB] [ENTRY] [l2] void m3()")
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(2, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ci = CCallin(3, 1, "", "void m6()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb = CCallback(4, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(5, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
cb = CCallback(6, 1, "", "void m3()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m3()", False)])
ctrace.add_msg(cb)
ci = CCallin(7, 1, "", "void m4()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ts_enc = TSEncoder(ctrace, spec_list)
ts = ts_enc.get_ts_encoding()
error = ts_enc.error_prop
bmc = BMC(ts_enc.helper, ts, error)
cex = bmc.find_bug(6)
self.assertTrue(cex is not None)
stringio = StringIO()
printer = CexPrinter(ts_enc.mapback, cex, stringio)
printer.print_cex()
io_string = stringio.getvalue()
self.assertTrue("[4] [CB] [ENTRY] void m1()" in io_string)
self.assertTrue("[5] [CI] [ENTRY] void m2()" in io_string)
self.assertTrue("[6] [CB] [ENTRY] void m3()" in io_string)
self.assertTrue("[7] [CI] [ENTRY] void m4()" in io_string)
def _get_sample_trace(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void m1() |- [CI] [ENTRY] [l] void m2()")
assert spec_list is not None
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ctrace.add_msg(cb)
ci = CCallin(1, 1, "", "void m2()",
[TestGrounding._get_obj("1", "string")], None)
cb.add_msg(ci)
ts_enc = TSEncoder(ctrace, spec_list)
return ts_enc
def test_instantiate_regexp_nested(self):
spec_string = """REGEXP pollo(x) = [[CB] [ENTRY] [x] type methodName()];
REGEXP pollo2(z) = [pollo(z)];
SPEC pollo2(1) |- pollo(1)
"""
res = "SPEC [CB] [ENTRY] [1] type methodName() |- [CB] [ENTRY] [1] type methodName()"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
spec_string = """REGEXP pollo(x,y) = [[CB] [ENTRY] [x] type methodName(y : boolean)];
REGEXP pollo2(x,y) = [pollo(y,x)];
SPEC pollo2(1,2) |- pollo(1,2)
"""
res = "SPEC [CB] [ENTRY] [2] type methodName(1 : boolean) |- [CB] [ENTRY] [1] type methodName(2 : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
spec_string = """REGEXP pollo(x) = [[CB] [ENTRY] [x] type methodName(y : boolean)];
REGEXP pollo2(x,y) = [pollo(x)];
SPEC pollo2(1,2) |- pollo2(1,2)
"""
res = "SPEC [CB] [ENTRY] [1] type methodName(y : boolean) |- [CB] [ENTRY] [1] type methodName(y : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
spec_string = """REGEXP pollo(x) = [[CB] [ENTRY] [x] type methodName(y : boolean)];
REGEXP pollo2(x,y) = [pollo(x)];
SPEC pollo2(1,2) |- pollo2(1,2)
"""
res = "SPEC [CB] [ENTRY] [1] type methodName(y : boolean) |- [CB] [ENTRY] [1] type methodName(y : boolean)"
specs = Spec.get_specs_from_string(spec_string)
self.assertTrue(len(specs) == 1)
self.assertTrue(str(specs[0]) == res)
def test_int(self):
trace = CTrace()
cb = CCallback(
1, 1, "", "void m1(%s)" % TraceConverter.JAVA_INT,
[TestGrounding._get_null(),
TestGrounding._get_int(2)], None, [
TestGrounding._get_fmwkov(
"", "void m1(%s)" % TraceConverter.JAVA_INT, False)
])
trace.add_msg(cb)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC TRUE |- [CB] [ENTRY] void m1(2 : %s)" %
TraceConverter.JAVA_INT)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(1 == len(ground_specs))
def test_constants(self):
trace = CTrace()
cb = CCallback(1, 1, "edu.colorado.test",
"void inheritedMethodMethod(int)",
[TestGrounding._get_null(),
TestGrounding._get_int(2)], None, [
TestGrounding._get_fmwkov(
"android", "void inheritedMethod(int)", False)
])
trace.add_msg(cb)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC ! ([CB] [ENTRY] void android.inheritedMethodA(3 : int)) |- [CB] [ENTRY] void android.inheritedMethod(2 : int)"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(len(ground_specs) == 1)
def test_get_key_from_call(self):
spec_list = Spec.get_specs_from_string(
"SPEC TRUE |- [CI] [ENTRY] [1] void m1(); " +
"SPEC TRUE |- [CI] [ENTRY] [1] void m1(2 : int,1 : int,2 : int);" +
"SPEC TRUE |- 3 = [CI] [EXIT] [1] void m1(2 : int,1 : int,2 : int)"
)
assert spec_list is not None
ci1 = CCallin(1, 1, "", "void m1()",
[TestGrounding._get_obj("1", "string")], None)
ci2 = CCallin(1, 1, "", "void m1(int,int,int)", [
TestGrounding._get_obj("1", "string"),
TestGrounding._get_int(2),
TestGrounding._get_int(1),
TestGrounding._get_int(2),
], None)
ci3 = CCallin(1, 1, "", "void m1(int,int,int)", [
TestGrounding._get_obj("1", "string"),
TestGrounding._get_int(2),
TestGrounding._get_int(1),
TestGrounding._get_int(2),
], TestGrounding._get_int(3))
calls_nodes = []
for s in spec_list:
msg = get_spec_rhs(s.ast)
assert get_node_type(msg) == CALL_ENTRY or get_node_type(
msg) == CALL_EXIT
calls_nodes.append(msg)
assert (len(calls_nodes) == len(spec_list))
res = TSEncoder.get_key_from_call(calls_nodes[0])
res2 = TSEncoder.get_key_from_msg(ci1, TSEncoder.ENTRY)
self.assertTrue("[CI]_[ENTRY]_void m1()(1)" == res)
self.assertTrue(res == res2)
res = TSEncoder.get_key_from_call(calls_nodes[1])
res2 = TSEncoder.get_key_from_msg(ci2, TSEncoder.ENTRY)
self.assertTrue("[CI]_[ENTRY]_void m1(int,int,int)(1,2,1,2)" == res)
self.assertTrue(res == res2)
res = TSEncoder.get_key_from_call(calls_nodes[2])
res2 = TSEncoder.get_key_from_msg(ci3, TSEncoder.EXIT)
self.assertTrue("3=[CI]_[EXIT]_void m1(int,int,int)(1,2,1,2)" == res)
self.assertTrue(res == res2)
def cycle_lines(in_file, out_file):
with open(in_file, 'r') as f:
for line in f:
if line is not None and len(line) > 2 and line[0] != '/':
line2 = line.strip()
if line2[-1] == ";":
trimedLine = line2[:-1]
else:
trimedLine = line2
parsedspec = Spec.get_specs_from_string(trimedLine)
assert (len(parsedspec) == 1)
spec = parsedspec[0].ast
aliasList = get_aliases_for_spec(spec)
assert (len(aliasList) > 0)
for alias in aliasList:
spec = add_alias(spec, alias[0], alias[1])
pretty_print(spec)
print ";"
else:
print line
def test_call_set(self):
spec_list = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void method_name() |- TRUE; " +
"SPEC [CI] [ENTRY] [l] void method_name() |- TRUE;" +
"SPEC [CI] [ENTRY] [b] void android.widget.Button.setOnClickListener(l : type) |+ [CB] [ENTRY] [l] void onClick(b : type);"
+
"SPEC TRUE[*]; [CI] [EXIT] [b] void android.widget.Button.setOnClickListener(l : type) |+ [CB] [ENTRY] [l] void onClick(b : type);"
+
"SPEC [CI] [EXIT] [b] void android.widget.Button.setOnClickListener(l : type); "
+
"[CB] [ENTRY] [b] void android.widget.Button.setOnClickListener(l : type); "
+
"[CI] [EXIT] [b] void android.widget.Button.setOnClickListener(l : type) |+ [CB] [ENTRY] [l] void onClick(b : type)"
)
self.assertTrue(len(spec_list) == 5)
self.assertTrue(1 == len(spec_list[0].get_spec_calls()))
self.assertTrue(1 == len(spec_list[1].get_spec_calls()))
self.assertTrue(2 == len(spec_list[2].get_spec_calls()))
self.assertTrue(2 == len(spec_list[3].get_spec_calls()))
self.assertTrue(3 == len(spec_list[4].get_spec_calls()))
def test_init_state(self):
""" Test if specification can force an initial value
- m2 is disabled in the initial state
- the trace try to call m1 and then m2, causing an exception
"""
spec_list = Spec.get_specs_from_string(
"SPEC FALSE[*] |- [CI] [ENTRY] void m2()")
ctrace = CTrace()
cb = CCallback(1, 1, "", "void m1()", [TestGrounding._get_null()],
None,
[TestGrounding._get_fmwkov("", "void m1()", False)])
ci = CCallin(1, 1, "", "void m2()", [TestGrounding._get_null()], None)
cb.add_msg(ci)
ctrace.add_msg(cb)
ts_enc = TSEncoder(ctrace, spec_list)
ts = ts_enc.get_ts_encoding()
bmc = BMC(ts_enc.helper, ts, ts_enc.error_prop)
self.assertTrue(bmc.find_bug(2) is not None)
self.assertTrue(bmc.find_bug(2, True) is not None)
def test_regexptoauto_exit(self):
auto_env = AutoEnv.get_global_auto_env()
cenc = CounterEnc(auto_env.pysmt_env)
alphabet = set(
["[CB]_[ENTRY]_void m1()(1)", "[CB]_[EXIT]_void m1()(1)"])
r2a = RegExpToAuto(cenc, alphabet,
TSMapback(auto_env.pysmt_env, None, None), auto_env)
env = r2a.auto_env
l_m1_entry = r2a.get_msg_eq("[CB]_[ENTRY]_void m1()(1)")
l_m1_exit = r2a.get_msg_eq("[CB]_[EXIT]_void m1()(1)")
spec_list = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [1] void m1() |- TRUE; " +
"SPEC [CB] [EXIT] [1] void m1() |- TRUE; " +
"SPEC [CB] [ENTRY] [1] void m1() & [CB] [EXIT] [1] void m1() |- TRUE"
)
assert spec_list is not None
# Test l.m1()
regexp = get_regexp_node(spec_list[0].ast)
auto = r2a.get_from_regexp(regexp)
res = Automaton.get_singleton(env.new_label(l_m1_entry))
self.assertTrue(auto.is_equivalent(res))
# Test l.m1_exit()
regexp = get_regexp_node(spec_list[1].ast)
auto = r2a.get_from_regexp(regexp)
res = Automaton.get_singleton(env.new_label(l_m1_exit))
self.assertTrue(auto.is_equivalent(res))
# Test l.m1() and l.m2()
regexp = get_regexp_node(spec_list[2].ast)
auto = r2a.get_from_regexp(regexp)
res = Automaton.get_singleton(env.new_label(And(l_m1_entry,
l_m1_exit)))
self.assertTrue(auto.is_equivalent(res))
def test_boolean(self):
trace = CTrace()
cb = CCallback(
1, 1, "", "void m1(%s)" % TraceConverter.JAVA_BOOLEAN,
[TestGrounding._get_null(),
TestGrounding._get_true()], None, [
TestGrounding._get_fmwkov(
"", "void m1(%s)" % TraceConverter.JAVA_BOOLEAN, False)
])
trace.add_msg(cb)
cb = CCallback(
1, 1, "", "void m2(%s)" % TraceConverter.JAVA_BOOLEAN,
[TestGrounding._get_null(),
TestGrounding._get_false()], None, [
TestGrounding._get_fmwkov(
"", "void m2(%s)" % TraceConverter.JAVA_BOOLEAN, False)
])
trace.add_msg(cb)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC TRUE |- [CB] [ENTRY] void m2(FALSE : %s)" %
(TraceConverter.JAVA_BOOLEAN))
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(1 == len(ground_specs))
def _process_subs(self, data, substitution):
(spec, ast_set, ground_specs) = data
(new_spec_ast, reasons) = GroundSpecs._substitute(spec, substitution)
# WORKAROUND:
#
# The grounding produce a disjunction in the rhs of the SPEC if
# there are multiple messages there.
#
# However, The downstream toolchain expects to have only one message
# in the rhs.
#
# If this is the case, we duplicate the spec for each disjunct
#
regexp = get_regexp_node(new_spec_ast)
rhs = get_spec_rhs(new_spec_ast)
is_lhs_false = FALSE == get_node_type(regexp)
if len(reasons) > 0 and not is_lhs_false:
reasons = set()
# remove unuseful reasons
new_reasons = set()
for reason in reasons:
if not (len(reason) == len(substitution) and len(substitution) > 0):
new_reasons.add(reason)
reasons = new_reasons
# skip the specification if
# - the rhs is false (or)
# - the regexp is false
if (is_lhs_false):
return reasons
# loop on the disojunctions in the rhs
atoms_rhs = []
rhs_stack = [rhs]
while (len(rhs_stack) != 0):
current = rhs_stack.pop()
# Skip false
is_current_false = FALSE == get_node_type(current)
if is_current_false: continue
# requirement on the RHS
assert (OR_OP == get_node_type(current) or
CALL_ENTRY == get_node_type(current) or
CALL_EXIT == get_node_type(current))
if (get_node_type(current) != OR_OP):
atoms_rhs.append(current)
else:
rhs_stack.append(current[1])
rhs_stack.append(current[2])
for atom_rhs in atoms_rhs:
assert get_node_type(new_spec_ast) == SPEC_SYMB
assert (ENABLE_OP == get_node_type(new_spec_ast[1]) or
DISABLE_OP == get_node_type(new_spec_ast[1]))
op_node = create_node(get_node_type(new_spec_ast[1]),
[regexp, atom_rhs])
split_spec_ast = create_node(SPEC_SYMB, [op_node, new_nil()])
# skip duplicates
if split_spec_ast not in ast_set:
ast_set.add(split_spec_ast)
new_spec = Spec(split_spec_ast)
ground_specs.append(new_spec)
self.ground_to_spec[new_spec] = spec
return reasons
def test_ground_bindings(self):
trace = CTrace()
cb1 = CCallback(
1, 1, "", "void doSomethingCb()",
[TestGrounding._get_obj("1", "string")], None,
[TestGrounding._get_fmwkov("", "void doSomethingCb()", False)])
trace.add_msg(cb1)
ci1 = CCallin(1, 1, "", "void doSomethingCi(string)", [
TestGrounding._get_obj("1", "string"),
TestGrounding._get_obj("2", "string")
], None)
cb1.add_msg(ci1)
ci2 = CCallin(1, 1, "", "void otherCi(string)", [
TestGrounding._get_obj("4", "string"),
TestGrounding._get_obj("1", "string")
], None)
cb1.add_msg(ci2)
ci3 = CCallin(1, 1, "", "void doSomethingCi(string)", [
TestGrounding._get_obj("1", "string"),
TestGrounding._get_obj("4", "string")
], None)
cb1.add_msg(ci3)
cb2 = CCallback(
1, 1, "", "void doSomethingCb2()",
[TestGrounding._get_obj("1", "string")],
TestGrounding._get_obj("1", "string"),
[TestGrounding._get_fmwkov("", "void doSomethingCb2()", False)])
trace.add_msg(cb2)
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void doSomethingCi(z : string) |- [CI] [ENTRY] [z] void otherCi(f : string)"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [1] void doSomethingCi(4 : string) |- [CI] [ENTRY] [4] void otherCi(1 : string)"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
# WARNING: the results is sensitive to the order of the atoms in the OR
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l] void doSomethingCi(# : string) |- [CI] [ENTRY] [#] void otherCi(# : string)"
)
real_ground_spec_1 = Spec.get_specs_from_string(
"SPEC ([CI] [ENTRY] [1] void doSomethingCi(4 : string) | " +
"[CI] [ENTRY] [1] void doSomethingCi(2 : string)) " +
"|- [CI] [ENTRY] [4] void otherCi(1 : string)")
real_ground_spec_2 = Spec.get_specs_from_string(
"SPEC ([CI] [ENTRY] [1] void doSomethingCi(2 : string) | " +
"[CI] [ENTRY] [1] void doSomethingCi(4 : string)) " +
"|- [CI] [ENTRY] [4] void otherCi(1 : string)")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(
TestGrounding._eq_specs(ground_specs, real_ground_spec_1)
or TestGrounding._eq_specs(ground_specs, real_ground_spec_2))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [l] void doSomethingCb() |- [CI] [ENTRY] [#] void otherCi(l : string)"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CB] [ENTRY] [1] void doSomethingCb() |- [CI] [ENTRY] [4] void otherCi(1 : string)"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC TRUE |- [CI] [ENTRY] [l1] void doSomethingCi(l1 : string)")
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs, []))
# doSomethingCi will be instantiated to FALSE
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CI] [ENTRY] [l1] void doSomethingCi(l1 : string) |- [CI] [ENTRY] [z] void otherCi(l : string)"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs, []))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC [CB] [EXIT] [l] void doSomethingCb() |- [CI] [EXIT] [#] void otherCi(l : string)"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC [CB] [EXIT] [1] void doSomethingCb() |- [CI] [EXIT] [4] void otherCi(1 : string)"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
gs = GroundSpecs(trace)
specs = Spec.get_specs_from_string(
"SPEC m = [CB] [EXIT] [l] void doSomethingCb2() |- m = [CB] [EXIT] [l] void doSomethingCb2()"
)
real_ground_spec = Spec.get_specs_from_string(
"SPEC 1 = [CB] [EXIT] [1] void doSomethingCb2() |- 1 = [CB] [EXIT] [1] void doSomethingCb2()"
)
ground_specs = gs.ground_spec(specs[0])
self.assertTrue(TestGrounding._eq_specs(ground_specs,
real_ground_spec))
