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"""Verify that warnings are issued for global statements following use."""
from test.test_support import run_unittest, check_syntax_error
import unittest
import warnings
class GlobalTests(unittest.TestCase):
def test1(self):
prog_text_1 = """\
def wrong1():
a = 1
b = 2
global a
global b
"""
check_syntax_error(self, prog_text_1)
def test2(self):
prog_text_2 = """\
def wrong2():
print x
global x
"""
check_syntax_error(self, prog_text_2)
def test3(self):
prog_text_3 = """\
def wrong3():
print x
x = 2
global x
"""
check_syntax_error(self, prog_text_3)
def test4(self):