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"""Basic tests for Byterun."""
from __future__ import print_function
from . import vmtest
class TestIt(vmtest.VmTestCase):
def test_constant(self):
self.assert_ok("17")
def test_for_loop(self):
self.assert_ok("""\
out = ""
for i in range(5):
out = out + str(i)
print(out)
""")
# def test_inplace_operators(self):
# self.assert_ok("""\
# x, y = 2, 3
# x **= y
# assert x == 8 and y == 3
# x *= y
# assert x == 24 and y == 3
# x //= y
# assert x == 8 and y == 3
# x %= y
# assert x == 2 and y == 3
# x += y
# assert x == 5 and y == 3
# x -= y
# assert x == 2 and y == 3
# x <<= y
# assert x == 16 and y == 3
# x >>= y
# assert x == 2 and y == 3
# x = 0x8F
# x &= 0xA5
# assert x == 0x85
# x |= 0x10
# assert x == 0x95
# x ^= 0x33
# assert x == 0xA6
# """)
# def test_inplace_division(self):
# self.assert_ok("""\
# x, y = 24, 3
# x /= y
# assert x == 8.0 and y == 3
# assert isinstance(x, float)
# x /= y
# assert x == (8.0/3.0) and y == 3
# assert isinstance(x, float)
# """)
def test_slice(self):
self.assert_ok("""\
print("hello, world"[3:8])
""")
self.assert_ok("""\
print("hello, world"[:8])
""")
self.assert_ok("""\
print("hello, world"[3:])
""")
self.assert_ok("""\
print("hello, world"[:])
""")
self.assert_ok("""\
print("hello, world"[::-1])
""")
self.assert_ok("""\
print("hello, world"[3:8:2])
""")
def test_slice_assignment(self):
self.assert_ok("""\
l = list(range(10))
l[3:8] = ["x"]
print(l)
""")
self.assert_ok("""\
l = list(range(10))
l[:8] = ["x"]
print(l)
""")
self.assert_ok("""\
l = list(range(10))
l[3:] = ["x"]
print(l)
""")
self.assert_ok("""\
l = list(range(10))
l[:] = ["x"]
print(l)
""")
# def test_slice_deletion(self):
# self.assert_ok("""\
# l = list(range(10))
# del l[3:8]
# print(l)
# """)
# self.assert_ok("""\
# l = list(range(10))
# del l[:8]
# print(l)
# """)
# self.assert_ok("""\
# l = list(range(10))
# del l[3:]
# print(l)
# """)
# self.assert_ok("""\
# l = list(range(10))
# del l[:]
# print(l)
# """)
# self.assert_ok("""\
# l = list(range(10))
# del l[::2]
# print(l)
# """)
def test_building_stuff(self):
self.assert_ok("""\
print((1+1, 2+2, 3+3))
""")
self.assert_ok("""\
print([1+1, 2+2, 3+3])
""")
self.assert_ok("""\
print({1:1+1, 2:2+2, 3:3+3})
""")
def test_subscripting(self):
self.assert_ok("""\
l = list(range(10))
print("%s %s %s" % (l[0], l[3], l[9]))
""")
self.assert_ok("""\
l = list(range(10))
l[5] = 17
print(l)
""")
# self.assert_ok("""\
# l = list(range(10))
# del l[5]
# print(l)
# """)
# def test_generator_expression(self):
# self.assert_ok("""\
# x = "-".join(str(z) for z in range(5))
# assert x == "0-1-2-3-4"
# """)
# # From test_regr.py
# # This failed a different way than the previous join when genexps were
# # broken:
# self.assert_ok("""\
# from textwrap import fill
# x = set(['test_str'])
# width = 70
# indent = 4
# blanks = ' ' * indent
# res = fill(' '.join(str(elt) for elt in sorted(x)), width,
# initial_indent=blanks, subsequent_indent=blanks)
# print(res)
# """)
def test_list_comprehension(self):
self.assert_ok("""\
x = [z*z for z in range(5)]
assert x == [0, 1, 4, 9, 16]
""")
# def test_dict_comprehension(self):
# """Requires MAP_ADD, not supported"""
# self.assert_ok("""\
# x = {z:z*z for z in range(5)}
# assert x == {0:0, 1:1, 2:4, 3:9, 4:16}
# """)
# def test_set_comprehension(self):
# """Requires BUILD_SET, not supported"""
# self.assert_ok("""\
# x = {z*z for z in range(5)}
# assert x == {0, 1, 4, 9, 16}
# """)
# def test_strange_sequence_ops(self): # relies on DUP_TOP_TWO
# # from stdlib: test/test_augassign.py
# self.assert_ok("""\
# x = [1,2]
# x += [3,4]
# x *= 2
# assert x == [1, 2, 3, 4, 1, 2, 3, 4]
# x = [1, 2, 3]
# y = x
# x[1:2] *= 2
# y[1:2] += [1]
# assert x == [1, 2, 1, 2, 3]
# assert x is y
# """)
def test_unary_operators(self):
self.assert_ok("""\
x = 8
print(-x, ~x, not x)
""")
def test_attributes(self):
self.assert_ok("""\
l = lambda: 1 # Just to have an object...
l.foo = 17
print(hasattr(l, "foo"), l.foo)
# del l.foo
# print(hasattr(l, "foo"))
""")
# def test_attribute_inplace_ops(self):
# self.assert_ok("""\
# l = lambda: 1 # Just to have an object...
# l.foo = 17
# l.foo -= 3
# print(l.foo)
# """)
# def test_deleting_names(self):
# self.assert_ok("""\
# g = 17
# assert g == 17
# del g
# g
# """, raises=NameError)
# def test_deleting_local_names(self):
# self.assert_ok("""\
# def f():
# l = 23
# assert l == 23
# del l
# l
# f()
# """, raises=NameError)
def test_import(self):
self.assert_ok("""\
import math
print(math.pi, math.e)
from math import sqrt
print(sqrt(2))
# from math import * # not supported
# print(sin(2))
""")
# def test_classes(self):
# self.assert_ok("""\
# class Thing(object):
# def __init__(self, x):
# self.x = x
# def meth(self, y):
# return self.x * y
# thing1 = Thing(2)
# thing2 = Thing(3)
# print(thing1.x, thing2.x)
# print(thing1.meth(4), thing2.meth(5))
# """)
# def test_calling_methods_wrong(self):
# self.assert_ok("""\
# class Thing(object):
# def __init__(self, x):
# self.x = x
# def meth(self, y):
# return self.x * y
# thing1 = Thing(2)
# print(Thing.meth(14))
# """, raises=TypeError)
# def test_calling_subclass_methods(self):
# self.assert_ok("""\
# class Thing(object):
# def foo(self):
# return 17
# class SubThing(Thing):
# pass
# st = SubThing()
# print(st.foo())
# """)
# def test_attribute_access(self):
# self.assert_ok("""\
# class Thing(object):
# z = 17
# def __init__(self):
# self.x = 23
# t = Thing()
# print(Thing.z)
# print(t.z)
# print(t.x)
# """)
# self.assert_ok("""\
# class Thing(object):
# z = 17
# def __init__(self):
# self.x = 23
# t = Thing()
# print(t.xyzzy)
# """, raises=AttributeError)
def test_staticmethods(self):
self.assert_ok("""\
class Thing(object):
@staticmethod
def smeth(x):
print(x)
@classmethod
def cmeth(cls, x):
print(x)
Thing.smeth(1492)
Thing.cmeth(1776)
""")
def test_unbound_methods(self):
self.assert_ok("""\
class Thing(object):
def meth(self, x):
print(x)
m = Thing.meth
m(Thing(), 1815)
""")
# def test_callback(self):
# # Relies on KW arguments, not supported
# self.assert_ok("""\
# def lcase(s):
# return s.lower()
# l = ["xyz", "ABC"]
# l.sort(key=lcase)
# print(l)
# assert l == ["ABC", "xyz"]
# """)
def test_unpacking(self):
self.assert_ok("""\
a, b, c = (1, 2, 3)
assert a == 1
assert b == 2
assert c == 3
""")
def test_exec_function(self):
self.assert_ok("""\
g = {}
exec("a = 11", g, g)
assert g['a'] == 11
""")
def test_jump_if_true_or_pop(self):
self.assert_ok("""\
def f(a, b):
return a or b
assert f(17, 0) == 17
assert f(0, 23) == 23
assert f(0, "") == ""
""")
def test_jump_if_false_or_pop(self):
self.assert_ok("""\
def f(a, b):
return not(a and b)
assert f(17, 0) is True
assert f(0, 23) is True
assert f(0, "") is True
assert f(17, 23) is False
""")
def test_pop_jump_if_true(self):
self.assert_ok("""\
def f(a):
if not a:
return 'foo'
else:
return 'bar'
assert f(0) == 'foo'
assert f(1) == 'bar'
""")
# def test_decorator(self):
# self.assert_ok("""\
# def verbose(func):
# def _wrapper(*args, **kwargs):
# return func(*args, **kwargs)
# return _wrapper
# @verbose
# def add(x, y):
# return x+y
# add(7, 3)
# """)
class TestLoops(vmtest.VmTestCase):
def test_for(self):
self.assert_ok("""\
for i in range(10):
print(i)
print("done")
""")
def test_break(self):
self.assert_ok("""\
for i in range(10):
print(i)
if i == 7:
break
print("done")
""")
def test_continue(self):
# fun fact: this doesn't use CONTINUE_LOOP
self.assert_ok("""\
for i in range(10):
if i % 3 == 0:
continue
print(i)
print("done")
""")
def test_continue_in_try_except(self):
self.assert_ok("""\
for i in range(10):
try:
if i % 3 == 0:
continue
print(i)
except ValueError:
pass
print("done")
""")
# def test_continue_in_try_finally(self):
# """Requires END_FINALLY, not supported"""
# self.assert_ok("""\
# for i in range(10):
# try:
# if i % 3 == 0:
# continue
# print(i)
# finally:
# print(".")
# print("done")
# """)
class TestComparisons(vmtest.VmTestCase):
def test_in(self):
self.assert_ok("""\
assert "x" in "xyz"
assert "x" not in "abc"
assert "x" in ("x", "y", "z")
assert "x" not in ("a", "b", "c")
""")
def test_less(self):
self.assert_ok("""\
assert 1 < 3
assert 1 <= 2 and 1 <= 1
assert "a" < "b"
assert "a" <= "b" and "a" <= "a"
""")
def test_greater(self):
self.assert_ok("""\
assert 3 > 1
assert 3 >= 1 and 3 >= 3
assert "z" > "a"
assert "z" >= "a" and "z" >= "z"
""")