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Fix up struct docstrings, add struct.pack_to function for symmetry

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This commit is contained in:
Bob Ippolito 2006-05-27 12:11:36 +00:00
parent 90bd0a554e
commit 1fcdc232db
3 changed files with 42 additions and 8 deletions
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22
Lib/test/test_struct.py
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@ -509,6 +509,28 @@ class PackBufferTestCase(unittest.TestCase):
self.assertRaises(struct.error, s.pack_to, small_buf, 0, test_string)
self.assertRaises(struct.error, s.pack_to, small_buf, 2, test_string)
def test_pack_to_fn( self ):
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
pack_to = lambda *args: struct.pack_to(fmt, *args)
# Test without offset
pack_to(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
self.assertEquals(from_buf, test_string)
# Test with offset.
pack_to(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
self.assertEquals(from_buf, (test_string[:10] + test_string))
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
self.assertRaises(struct.error, pack_to, small_buf, 0, test_string)
self.assertRaises(struct.error, pack_to, small_buf, 2, test_string)
def test_main():
test.test_support.run_unittest(PackBufferTestCase)