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  r77890 | antoine.pitrou | 2010-01-31 23:26:04 +0100 (dim., 31 janv. 2010) | 7 lines

  - Issue #6939: Fix file I/O objects in the `io` module to keep the original
    file position when calling `truncate()`.  It would previously change the
    file position to the given argument, which goes against the tradition of
    ftruncate() and other truncation APIs.  Patch by Pascal Chambon.
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This commit is contained in:
Antoine Pitrou 2010-01-31 22:47:27 +00:00
parent 9b661e6ef6
commit 905a2ffe3e
12 changed files with 97 additions and 47 deletions
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5
Lib/test/test_memoryio.py
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@ -73,7 +73,7 @@ class MemoryTestMixin:
self.assertEqual(f.seek(0), 0)
self.assertEqual(f.write(t("h")), 1)
self.assertEqual(f.truncate(12), 12)
self.assertEqual(f.tell(), 12)
self.assertEqual(f.tell(), 1)
def test_write(self):
buf = self.buftype("hello world\n")
@ -121,7 +121,8 @@ class MemoryTestMixin:
self.assertEqual(memio.getvalue(), buf[:6])
self.assertEqual(memio.truncate(4), 4)
self.assertEqual(memio.getvalue(), buf[:4])
self.assertEqual(memio.tell(), 4)
self.assertEqual(memio.tell(), 6)
memio.seek(0, 2)
memio.write(buf)
self.assertEqual(memio.getvalue(), buf[:4] + buf)
pos = memio.tell()