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author | dgp <dgp@users.sourceforge.net> | 2014-05-09 16:39:08 (GMT) |
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committer | dgp <dgp@users.sourceforge.net> | 2014-05-09 16:39:08 (GMT) |
commit | 643d4e096b00185e39709a232beddb940a2521a6 (patch) | |
tree | fb0d0d49ffacfb7690808ab9b783f22a3250c9b9 /tests/iogt.test | |
parent | 54a7fb14315e91375afebda43bf800baf5f5f46b (diff) | |
parent | 8b4cb6f5d95d707abacdcfbcb75153cd12edb59f (diff) | |
download | tcl-643d4e096b00185e39709a232beddb940a2521a6.zip tcl-643d4e096b00185e39709a232beddb940a2521a6.tar.gz tcl-643d4e096b00185e39709a232beddb940a2521a6.tar.bz2 |
Added comment explaining the "knownBug" in iogt-6.1
Diffstat (limited to 'tests/iogt.test')
-rw-r--r-- | tests/iogt.test | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/iogt.test b/tests/iogt.test index 50034de..33a6425 100644 --- a/tests/iogt.test +++ b/tests/iogt.test @@ -839,6 +839,15 @@ test iogt-6.0 {Push back} -constraints testchannel -body { close $f } -result {xxx} test iogt-6.1 {Push back and up} -constraints {testchannel knownBug} -body { + + # This test demonstrates the bug/misfeature in the stacked + # channel implementation that data can be discarded if it is + # read into the buffers of one channel in the stack, and then + # that channel is popped before anything above it reads. + # + # This bug can be worked around by always setting -buffersize + # to 1, but who wants to do that? + set f [open $path(dummy) r] # contents of dummy = "abcdefghi..." read $f 3; # skip behind "abc" |