def test_simple_cases(self):

def f():

x = 1

def g():

return x

return g

self.assertEqual(f()(), 1)

def f():

x = 2

def g(y):

return x + y

return g

self.assertEqual(f()(3), 5)

def f(y):

x = 3

def g():

return x + y

return g

self.assertEqual(f(5)(), 8)

def f(x,y):

def g():

return x**2 + y**2

return g

self.assertEqual(f(2,3)(), 13)

def f(p):

x = 3

def g(q):

y = 5

def h(r):

z = 7

def i(s):

return x,y,z,p,q,r,s

return i(13)

return h(11)

return g(9)

self.assertEqual(f(17), (3, 5, 7, 17, 9, 11, 13))

def test_binding(self):

def f():

def g():

def h():

return x

x = 13

return h

x = 17

return g

self.assertEqual(f()()(), 13)

def f():

def g():

def h(x):

return x

x = 13

return h

x = 17

return g

self.assertEqual(f()()(19), 19)

def f():

def g():

x = p

def h(y):

return x + y

return h

p = 3

three = g()

p = 5

five = g()

p = 7

seven = g()

return three(4), five(4), seven(4)

self.assertEqual(f(), (7, 9, 11))

def test_skip_levels(self):

def f():

x = 4

def g():

def h():

return x + 2

return h

return g

self.assertEqual(f()()(),6)

def f():

x = 5

def g():

def h():

def i():

return x + 3

return i

return h

return g

self.assertEqual(f()()()(), 8)

def f():

x = 6

def g():

def h():

def i():

return x

return i()

return h()

return g()

self.assertEqual(f(), 6)

def test_recursion(self):

def f():

y = []

def g(x):

y.append(x)

if (x > 0): g(x - 1)

g(10)

return y

self.assertEqual(f(), [10,9,8,7,6,5,4,3,2,1,0])

def test_classes(self):

def f():

x = 23

class c:

y = x

return c()

self.assertEqual(f().y, 23)

def f():

x = 23

class c:

def m(self):

return x

x = 29

return c().m()

self.assertEqual(f(), 29)

def test_generators(self):

def f():

x = 10

class c:

def m(self):

def n():

return i

for i in range(x):

yield n()

return c()

self.assertEqual(list(f().m()), [0,1,2,3,4,5,6,7,8,9])

def f(i):

def g(j):

for k in range(i+j):

def h():

return k

yield h()

return g

self.assertEqual(list(f(3)(5)), [0, 1, 2, 3, 4, 5, 6, 7])

def test_lambda_and_self(self):

class C:

def __init__(self):

self.setm (lambda: self.m ('lambda and self test'))

def m(self, t):

return t

def setm(self, n):

self.n = n

self.assertEqual(C().n(), "lambda and self test")

def test_global(self):

global x

global y

global z

class c:

x = 5

y = x

x = 7

z = x

self.assertEqual(c.y, 5)

self.assertEqual(x, 123456)

self.assertEqual(c.z, c.x)

self.assertEqual(c.x, 7)

class c:

global x

self.assertEqual(x, 123456)

def f(self):

return x

self.assertEqual(c().f(), 123456)

def f():

global x

def g():

def h():

return x

return h

x = 654321

return g

self.assertEqual(f()()(), 654321)

def f():

x = 10

class c:

x = 5

def m(self):

return x

return c()

self.assertEqual(f().m(), 10)

def f():

def g():

print(a)

g()

a = 10

self.assertRaises(NameError, f)

x = 123456

def f():

x = 123

def g():

global x

self.assertEqual(x, 123456)

def h():

return x

return h()

return g()

self.assertEqual(f(), 123456)

def f():

x = 7

def g():

global x

def h():

return x

return h()

return g()

self.assertEqual(f(), 123456)

y = 654321

def f():

[x, y] = 3, 7

def g():

self.assertEqual(x, 3)

self.assertEqual(y, 7)

g()

self.assertEqual(x, 3)

self.assertEqual(y, 7)

return x, y

self.assertEqual(f(), (3, 7))

self.assertEqual(x, 123456)

self.assertEqual(y, 654321)

def f():

def f1():

[a, b] = [2,3]

self.assertEqual(a, 2)

self.assertEqual(b, 3)

f1()

a = 3

self.assertEqual(a, 3)

del a

f()

x = "global x"

y = "global y"

z = "global z"

def test():

self.assertEqual(y, "global y")

exec("y = 10", globals())

self.assertEqual(y, 10)

test()

def test2():

self.assertEqual(x, "global x")

exec("x = 5", globals())

self.assertEqual(x, 5)

yield x

self.assertEqual(next(test2()), 5)

class C:

self.assertEqual(z, "global z")

exec("z = 7", globals())

self.assertEqual(z, 7)

def test_gh817(self):

# https://github.com/IronLanguages/ironpython3/issues/817

for x in [lambda: i for i in [1,2]]:

self.assertEqual(x(), 2)

self.assertEqual([tuple(i for j in [1]) for i in [1]], [(1,)])

self.assertEqual({tuple(i for j in [1]) for i in [1]}, {(1,)})

self.assertEqual({i: tuple(j for j in t if i != j) for t in ((1,2),) for i in t}, {1: (2,), 2: (1,)})

self.assertEqual([lambda: i for i in [1]][0](), 1)

self.assertEqual([x * a for a in range(3) if a == 2 for x in range(5,7)], [10, 12])

self.assertRaises(UnboundLocalError, lambda: [x * a for a in range(3) if x == 2 for x in range(5,7)])

def foo1(z):

return [(x for x in range(y)) for y in range(z)]

self.assertEqual([list(x) for x in foo1(3)], [[], [0], [0, 1]])

def foo2(z):

return [(x + z for x in range(y)) for y in range(z)]

self.assertEqual([list(x) for x in foo2(3)], [[], [3], [3, 4]])

dl = [{ y: (z**2 for z in range(x)) for y in range(3)} for x in range(4)]

self.assertIsInstance(dl, list)

self.assertEqual(len(dl), 4)

for p, d in enumerate(dl):

self.assertIsInstance(d, dict)

for k in range(3):

g = d[k]

self.assertIsInstance(g, types.GeneratorType)

self.assertEqual(list(g), [0, 1, 4][:p])

def test_gh1119(self):

x = [[[1]]]

res = [[tuple(str(d) for d in z) for z in y] for y in x]

self.assertEqual(res, [[('1',)]])

def test_ipy3_gh1275(self):

# https://github.com/IronLanguages/ironpython3/issues/1275

x0 = x1 = x2 = x3 = x4 = x5 = x6 = x7 = x8 = x9 = x10 = x11 = x12 = x13 = x14 = x15 = x16 = x17 = x18 = x19 = x20 = x21 = x22 = x23 = x24 = x25 = x26 = x27 = x28 = x29 = x30 = x31 = x32 = x33 = x34 = x35 = x36 = x37 = x38 = x39 = x40 = x41 = x42 = x43 = x44 = x45 = x46 = x47 = x48 = x49 = x50 = x51 = x52 = x53 = x54 = x55 = x56 = x57 = x58 = x59 = x60 = x61 = x62 = x63 = x64 = x65 = x66 = x67 = x68 = x69 = x70 = x71 = x72 = x73 = x74 = x75 = x76 = x77 = x78 = x79 = x80 = x81 = x82 = x83 = x84 = x85 = x86 = x87 = x88 = x89 = x90 = x91 = x92 = x93 = x94 = x95 = x96 = x97 = x98 = x99 = x100 = x101 = x102 = x103 = x104 = x105 = x106 = x107 = x108 = x109 = x110 = x111 = x112 = x113 = x114 = x115 = x116 = x117 = x118 = x119 = x120 = x121 = x122 = x123 = x124 = x125 = x126 = x127 = x128 = 0

def test():

(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26, x27, x28, x29, x30, x31, x32, x33, x34, x35, x36, x37, x38, x39, x40, x41, x42, x43, x44, x45, x46, x47, x48, x49, x50, x51, x52, x53, x54, x55, x56, x57, x58, x59, x60, x61, x62, x63, x64, x65, x66, x67, x68, x69, x70, x71, x72, x73, x74, x75, x76, x77, x78, x79, x80, x81, x82, x83, x84, x85, x86, x87, x88, x89, x90, x91, x92, x93, x94, x95, x96, x97, x98, x99, x100, x101, x102, x103, x104, x105, x106, x107, x108, x109, x110, x111, x112, x113, x114, x115, x116, x117, x118, x119, x120, x121, x122, x123, x124, x125, x126, x127, x128)