diff options
Diffstat (limited to 'Lib/test/test_file.py')
| -rw-r--r-- | Lib/test/test_file.py | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/Lib/test/test_file.py b/Lib/test/test_file.py index ab3da86412..cfc1019d8a 100644 --- a/Lib/test/test_file.py +++ b/Lib/test/test_file.py @@ -67,6 +67,17 @@ n = f.readinto(a) f.close() verify(buf == a.tostring()[:n]) +# verify readinto refuses text files +a = array('c', 'x'*10) +f = open(TESTFN, 'r') +try: + f.readinto(a) + raise TestFailed("readinto shouldn't work in text mode") +except TypeError: + pass +finally: + f.close() + # verify writelines with integers f = open(TESTFN, 'wb') try: @@ -261,13 +272,13 @@ methods = [("readline", ()), ("read", ()), ("readlines", ()), try: # Prepare the testfile - bag = open(TESTFN, "w") + bag = open(TESTFN, "wb") bag.write(filler * nchunks) bag.writelines(testlines) bag.close() # Test for appropriate errors mixing read* and iteration for methodname, args in methods: - f = open(TESTFN) + f = open(TESTFN, 'rb') if f.next() != filler: raise TestFailed, "Broken testfile" meth = getattr(f, methodname) @@ -286,7 +297,7 @@ try: # Each line in the bag o' ham is 4 bytes ("h", "a", "m", "\n"), so # 4096 lines of that should get us exactly on the buffer boundary for # any power-of-2 buffersize between 4 and 16384 (inclusive). - f = open(TESTFN) + f = open(TESTFN, 'rb') for i in range(nchunks): f.next() testline = testlines.pop(0) @@ -328,7 +339,7 @@ try: raise TestFailed("readlines() after next() with empty buffer " "failed. Got %r, expected %r" % (line, testline)) # Reading after iteration hit EOF shouldn't hurt either - f = open(TESTFN) + f = open(TESTFN, 'rb') try: for line in f: pass |