Added some tests for the truncate() method; one is commented out because
cStringIO does not get it right (reported as SF bug #115531).
Added test for ValueError when write() is called on a closed StringIO
object. Commented out because cStringIO does not get it right
(reported as SF bug #115530).
diff --git a/Lib/test/output/test_StringIO b/Lib/test/output/test_StringIO
index 505023a..ce983c0 100644
--- a/Lib/test/output/test_StringIO
+++ b/Lib/test/output/test_StringIO
@@ -3,7 +3,9 @@
klmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
2
+'abcdefghij'
abcdefghij
klmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
2
+'abcdefghij'
diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
index 6e321e9..2d9f2c1 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -9,6 +9,29 @@
print f.readline()
print len(f.readlines(60))
+ f = module.StringIO()
+ f.write(s)
+ f.seek(10)
+ f.truncate()
+ print `f.getvalue()`
+ # This test fails for cStringIO; reported as SourceForge bug #115531;
+ # please uncomment this test when that bug is fixed.
+ # http://sourceforge.net/bugs/?func=detailbug&bug_id=115531&group_id=5470
+## f.seek(0)
+## f.truncate(5)
+## print `f.getvalue()`
+
+ # This test fails for cStringIO; reported as SourceForge bug #115530;
+ # please uncomment this test when that bug is fixed.
+ # http://sourceforge.net/bugs/?func=detailbug&bug_id=115530&group_id=5470
+## try:
+## f.write("frobnitz")
+## except ValueError, e:
+## print "Caught expected ValueError writing to closed StringIO:"
+## print e
+## else:
+## print "Failed to catch ValueError writing to closed StringIO."
+
# Don't bother testing cStringIO without
import StringIO, cStringIO
do_test(StringIO)