mirror of https://github.com/python/cpython
52 lines
994 B
Python
52 lines
994 B
Python
"""Verify that warnings are issued for global statements following use."""
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from test_support import check_syntax
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import warnings
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warnings.filterwarnings("error", module="<test code>")
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def compile_and_check(text, should_fail=1):
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try:
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compile(text, "<test code>", "exec")
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except SyntaxError, msg:
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if should_fail:
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print "got SyntaxError as expected"
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else:
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print "raised unexpected SyntaxError:", text
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else:
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if should_fail:
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print "should have raised SyntaxError:", text
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else:
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print "as expected, no SyntaxError"
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prog_text_1 = """
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def wrong1():
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a = 1
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b = 2
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global a
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global b
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"""
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compile_and_check(prog_text_1)
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prog_text_2 = """
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def wrong2():
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print x
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global x
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"""
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compile_and_check(prog_text_2)
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prog_text_3 = """
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def wrong3():
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print x
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x = 2
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global x
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"""
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compile_and_check(prog_text_3)
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prog_text_4 = """
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global x
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x = 2
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"""
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compile_and_check(prog_text_4, 0)
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