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| author | dgp <dgp@users.sourceforge.net> | 2014-05-09 16:39:08 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2014-05-09 16:39:08 (GMT) |
| commit | f7e6ff593fa2b6486446275c6a6aebde50ad239c (patch) | |
| tree | fb0d0d49ffacfb7690808ab9b783f22a3250c9b9 /tests/iogt.test | |
| parent | b19cb29e257e0292729bf6a261b3ed71320e96ab (diff) | |
| parent | ec4378d0790af497f5d163da00a236d3bbf7dd7f (diff) | |
| download | tcl-f7e6ff593fa2b6486446275c6a6aebde50ad239c.zip tcl-f7e6ff593fa2b6486446275c6a6aebde50ad239c.tar.gz tcl-f7e6ff593fa2b6486446275c6a6aebde50ad239c.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" |