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| # PyOS_ascii_formatd is deprecated and not called from anywhere in
| # Python itself. So this module is the only place it gets tested.
| # Test that it works, and test that it's deprecated.
|
| import unittest
| from test.test_support import check_warnings, run_unittest, import_module
|
| # Skip tests if _ctypes module does not exist
| import_module('_ctypes')
|
| from ctypes import pythonapi, create_string_buffer, sizeof, byref, c_double
| PyOS_ascii_formatd = pythonapi.PyOS_ascii_formatd
|
|
| class FormatDeprecationTests(unittest.TestCase):
|
| def test_format_deprecation(self):
| buf = create_string_buffer(' ' * 100)
|
| with check_warnings(('PyOS_ascii_formatd is deprecated',
| DeprecationWarning)):
| PyOS_ascii_formatd(byref(buf), sizeof(buf), '%+.10f',
| c_double(10.0))
| self.assertEqual(buf.value, '+10.0000000000')
|
|
| class FormatTests(unittest.TestCase):
| # ensure that, for the restricted set of format codes,
| # %-formatting returns the same values os PyOS_ascii_formatd
| def test_format(self):
| buf = create_string_buffer(' ' * 100)
|
| tests = [
| ('%f', 100.0),
| ('%g', 100.0),
| ('%#g', 100.0),
| ('%#.2g', 100.0),
| ('%#.2g', 123.4567),
| ('%#.2g', 1.234567e200),
| ('%e', 1.234567e200),
| ('%e', 1.234),
| ('%+e', 1.234),
| ('%-e', 1.234),
| ]
|
| with check_warnings(('PyOS_ascii_formatd is deprecated',
| DeprecationWarning)):
| for format, val in tests:
| PyOS_ascii_formatd(byref(buf), sizeof(buf), format,
| c_double(val))
| self.assertEqual(buf.value, format % val)
|
|
| def test_main():
| run_unittest(FormatDeprecationTests, FormatTests)
|
| if __name__ == '__main__':
| test_main()
|
|
