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diff Lib/StringIO.py @ 34207:19286994f74f 2.4

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SF bug #951915: fix bug in StringIO.truncate - length not changed (Patch by Armin Rigo.)
author Raymond Hettinger <python@rcn.com>
date Mon, 20 Dec 2004 23:55:32 +0000
parents 6d055a275b4b
children 8e8d0e03f076
line wrap: on
line diff
--- a/Lib/StringIO.py	Mon Dec 20 12:26:43 2004 +0000
+++ b/Lib/StringIO.py	Mon Dec 20 23:55:32 2004 +0000
@@ -204,6 +204,7 @@
         elif size < self.pos:
             self.pos = size
         self.buf = self.getvalue()[:size]
+        self.len = size
 
     def write(self, s):
         """Write a string to the file.
@@ -312,6 +313,11 @@
     print 'File length =', f.tell()
     if f.tell() != length:
         raise RuntimeError, 'bad length'
+    f.truncate(length/2)
+    f.seek(0, 2)
+    print 'Truncated length =', f.tell()
+    if f.tell() != length/2:
+        raise RuntimeError, 'truncate did not adjust length'
     f.close()
 
 if __name__ == '__main__':