def test_constant(self):
pycfg = PyCFG()
code = \
"""
print(1)
3
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 4)
def test_expr(self):
pycfg = PyCFG()
code = \
"""
print(a)
b
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 4)
def test_module(self):
pycfg = PyCFG()
code = \
"""
a = 1
b = 1
c = 1
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 5)
def test_assign(self):
pycfg = PyCFG()
code = \
"""
a = 2
b = a
c = a
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 5)
def test_for(self):
pycfg = PyCFG()
code = \
"""
a = [1,2,3,4]
b = 0
for i in range(len(a)):
b = b + a[i]
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 6)
def test_while(self):
pycfg = PyCFG()
code = \
"""
a = 5
while a > 3:
print (a)
a = a - 1
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 6)
def test_if(self):
pycfg = PyCFG()
code = \
"""
a = 3
if a < 2:
print (a)
else:
print (5)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 6)
def test_compare(self):
pycfg = PyCFG()
code = \
"""
a = 1
b = 2
c = a > b
d = a < b
print(a == b)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 7)
def test_if_for(self):
pycfg = PyCFG()
code = \
"""
a = 0
if a > 0:
for i in range(1,10):
a = a + i
else:
print(a)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 7)
def test_operator(self):
pycfg = PyCFG()
code = \
"""
a = 1
b = 2
c = a + b
d = a - b
e = a * b
f = a / b
g = a % b
h = a // b
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 10)
pycfg = PyCFG()
code = \
"""
a = 1
b = 2
c = call(a) + call(b)
d = call(a) - call(b)
e = call(a) * call(b)
f = call(a) / call(b)
g = call(a) % call(b)
h = call(a) // call(b)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 10)
def test_augassign(self):
pycfg = PyCFG()
code = \
"""
a = 1
b = 2
b -= a
b += a
b *= a
b /= a
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 8)
pycfg = PyCFG()
code = \
"""
a = 1
a += call(a)
a -= call(a)
a *= call(a)
a /= call(a)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 7)
def test_break(self):
pycfg = PyCFG()
code = \
"""
a = 0
for i in range(0,10):
if i == 8:
break
else:
a = a + i
print(a)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 8)
def test_while_if_for(self):
pycfg = PyCFG()
code = \
"""
a = [1,2,3,4,5]
b = 0
while b < 100:
for i in range(len(a)):
if a[i] != 3:
b = b +a [i]
else:
b = b*2
print(b)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 10)
def test_pass(self):
pycfg = PyCFG()
code = \
"""
a = [1,2,3,4]
b = 0
for i in range(len(a)):
if a[i] == 2:
pass
else:
b = b + a[i]
print(b)
print(a)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 10)
def test_recursion(self):
pycfg = PyCFG()
code = \
"""
def find(a,b):
if b < 0:
return 1
a += b
b -= 1
return find(a,b)+a
c = 1
c = find(find(c,c),find(c,c))
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 15)
self.assertTrue(CFGBlock.cache[10].children[0].rid == 11)
self.assertTrue(CFGBlock.cache[11].children[0].rid == 12)
self.assertTrue(CFGBlock.cache[11].children[1].rid == 13)
def test_define_call(self):
pycfg = PyCFG()
code = \
"""
def find(a,b):
if b < 0:
return a+b
else:
return a-b
a = 3
b = 4
print(find(a,find(a,b)),find(a,b))
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 13)
self.assertTrue(CFGBlock.cache[8].children[0].rid == 9)
self.assertTrue(CFGBlock.cache[8].children[1].rid == 11)
self.assertTrue(CFGBlock.cache[8].children[2].rid == 12)
self.assertTrue(CFGBlock.cache[9].children[0].rid == 10)
def test_bitoperate(self):
pycfg = PyCFG()
code = \
"""
a = 1
a >> 1
a << 1
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 5)
pycfg = PyCFG()
code = \
"""
a = 1
a >> call(a)
a << call(b)
"""
pycfg.generate_cfg(code)
self.assertEqual(len(CFGBlock.cache), 5)