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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 | 7840d3a9b7446223dd56ead5c01e664f5c8f0553 (patch) | |
| tree | fb0d0d49ffacfb7690808ab9b783f22a3250c9b9 /tests/iogt.test | |
| parent | c42ec3968ccbb9f010b930dad483f765eaa85791 (diff) | |
| parent | f008e78ace0135efe56f81d05155be120472df7e (diff) | |
| download | tcl-7840d3a9b7446223dd56ead5c01e664f5c8f0553.zip tcl-7840d3a9b7446223dd56ead5c01e664f5c8f0553.tar.gz tcl-7840d3a9b7446223dd56ead5c01e664f5c8f0553.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" |