diff options
Diffstat (limited to 'tests/iogt.test')
| -rw-r--r-- | tests/iogt.test | 78 |
1 files changed, 72 insertions, 6 deletions
diff --git a/tests/iogt.test b/tests/iogt.test index 3882ecc..5fe3dc2 100644 --- a/tests/iogt.test +++ b/tests/iogt.test @@ -159,8 +159,8 @@ proc fevent {fdelay idelay blocks script data} { #puts stdout ">>>>>" ; flush stdout - uplevel #0 set sock $sk - set res [uplevel #0 $script] + uplevel 1 set sock $sk + set res [uplevel 1 $script] catch {close $sk} return $res @@ -242,6 +242,36 @@ proc id_fulltrail {var op data} { return $res } +proc id_torture {chan op data} { + switch -- $op { + create/write - + create/read - + delete/write - + delete/read - + clear_read {;#ignore} + flush/write - + flush/read {} + write { + global level + if {$level} { + return + } + incr level + testchannel unstack $chan + testchannel transform $chan \ + -command [namespace code [list id_torture $chan]] + return $data + } + read { + testchannel unstack $chan + testchannel transform $chan \ + -command [namespace code [list id_torture $chan]] + return $data + } + query/maxRead {return -1} + } +} + proc counter {var op data} { variable $var upvar 0 $var n @@ -364,6 +394,10 @@ proc audit_flow {var -attach channel} { testchannel transform $channel -command [namespace code [list id_fulltrail $var]] } +proc torture {-attach channel} { + testchannel transform $channel -command [namespace code [list id_torture $channel]] +} + proc stopafter {var n -attach channel} { variable $var upvar 0 $var vn @@ -518,6 +552,7 @@ query/maxRead read query/maxRead flush/read +query/maxRead delete/read -------- create/write @@ -570,6 +605,7 @@ read { } query/maxRead {} -1 flush/read {} {} +query/maxRead {} -1 delete/read {} *ignored* -------- create/write {} *ignored* @@ -624,6 +660,7 @@ read {%^&*()_+-= } query/maxRead {} -1 flush/read {} {} +query/maxRead {} -1 write %^&*()_+-= %^&*()_+-= write { } { @@ -632,9 +669,27 @@ delete/read {} *ignored* flush/write {} {} delete/write {} *ignored*} +test iogt-2.4 {basic I/O, mixed trail} {testchannel} { + set fh [open $path(dummy) r] + torture -attach $fh + chan configure $fh -buffersize 2 + set x [read $fh] + testchannel unstack $fh + close $fh + set x +} {} +test iogt-2.5 {basic I/O, mixed trail} {testchannel} { + set ::level 0 + set fh [open $path(dummyout) w] + torture -attach $fh + puts -nonewline $fh abcdef + flush $fh + testchannel unstack $fh + close $fh +} {} test iogt-3.0 {Tcl_Channel valid after stack/unstack, fevent handling} \ - {testchannel unknownFailure} { + {testchannel knownBug} { # This test to check the validity of aquired Tcl_Channel references is # not possible because even a backgrounded fcopy will immediately start # to copy data, without waiting for the event loop. This is done only in @@ -651,6 +706,7 @@ test iogt-3.0 {Tcl_Channel valid after stack/unstack, fevent handling} \ set fin [open $path(dummy) r] fevent 1000 500 {20 20 20 10 1 1} { + variable copy close $fin set fout [open dummyout w] @@ -688,7 +744,7 @@ test iogt-3.0 {Tcl_Channel valid after stack/unstack, fevent handling} \ } {1 {create/write create/read write flush/write flush/read delete/write delete/read}} -test iogt-4.0 {fileevent readable, after transform} {testchannel unknownFailure} { +test iogt-4.0 {fileevent readable, after transform} {testchannel knownBug} { set fin [open $path(dummy) r] set data [read $fin] close $fin @@ -718,10 +774,11 @@ test iogt-4.0 {fileevent readable, after transform} {testchannel unknownFailure} } fevent 1000 500 {20 20 20 10 1} { + variable stop audit_flow trail -attach $sock rblocks_t rbuf trail 23 -attach $sock - fileevent $sock readable [list Get $sock] + fileevent $sock readable [namespace code [list Get $sock]] flush $sock ; # now, or fcopy will error us out # But the 1 second delay should be enough to @@ -819,7 +876,7 @@ delete/write {} *ignored* delete/read {} *ignored*} ; # catch unescaped quote " -test iogt-5.0 {EOF simulation} {testchannel unknownFailure} { +test iogt-5.0 {EOF simulation} {testchannel knownBug} { set fin [open $path(dummy) r] set fout [open $path(dummyout) w] @@ -916,6 +973,15 @@ test iogt-6.0 {Push back} testchannel { } {xxx} test iogt-6.1 {Push back and up} {testchannel knownBug} { + + # 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..." |