diff options
Diffstat (limited to 'tests/ioTrans.test')
| -rw-r--r-- | tests/ioTrans.test | 230 |
1 files changed, 222 insertions, 8 deletions
diff --git a/tests/ioTrans.test b/tests/ioTrans.test index 5a8874c..e179eab 100644 --- a/tests/ioTrans.test +++ b/tests/ioTrans.test @@ -539,7 +539,46 @@ test iortrans-4.8 {chan read, read, bug 2921116} -setup { tempdone rename foo {} } -result {{read rt* {test data -}} file*} +}} {}} +test iortrans-4.8.1 {chan read, bug 721ec69271} -setup { + set res {} +} -match glob -body { + proc foo {fd args} { + handle.initialize + handle.finalize + lappend ::res $args + # Kill and recreate transform while it is operating + chan pop $fd + chan push $fd [list foo $fd] + } + set c [chan push [set c [tempchan]] [list foo $c]] + chan configure $c -buffersize 2 + lappend res [read $c] +} -cleanup { + tempdone + rename foo {} +} -result {{read rt* te} {read rt* st} {read rt* { d}} {read rt* at} {read rt* {a +}} {}} +test iortrans-4.8.2 {chan read, bug 721ec69271} -setup { + set res {} +} -match glob -body { + proc foo {fd args} { + handle.initialize + handle.finalize + lappend ::res $args + # Kill and recreate transform while it is operating + chan pop $fd + chan push $fd [list foo $fd] + return x + } + set c [chan push [set c [tempchan]] [list foo $c]] + chan configure $c -buffersize 1 + lappend res [read $c] +} -cleanup { + tempdone + rename foo {} +} -result {{read rt* t} {read rt* e} {read rt* s} {read rt* t} {read rt* { }} {read rt* d} {read rt* a} {read rt* t} {read rt* a} {read rt* { +}} {}} test iortrans-4.9 {chan read, gets, bug 2921116} -setup { set res {} } -match glob -body { @@ -557,7 +596,180 @@ test iortrans-4.9 {chan read, gets, bug 2921116} -setup { tempdone rename foo {} } -result {{read rt* {test data -}} file*} +}} {}} + +# Driver for a base channel that emits several short "files" +# with each terminated by a fleeting EOF + proc driver {cmd args} { + variable ::tcl::buffer + variable ::tcl::index + set chan [lindex $args 0] + switch -- $cmd { + initialize { + set index($chan) 0 + set buffer($chan) ..... + return {initialize finalize watch read} + } + finalize { + if {![info exists index($chan)]} {return} + unset index($chan) buffer($chan) + array unset index + array unset buffer + return + } + watch {} + read { + set n [lindex $args 1] + if {![info exists index($chan)]} { + driver initialize $chan + } + set new [expr {$index($chan) + $n}] + set result [string range $buffer($chan) $index($chan) $new-1] + set index($chan) $new + if {[string length $result] == 0} { + driver finalize $chan + } + return $result + } + } + } + +# Channel read transform that is just the identity - pass all through + proc idxform {cmd handle args} { + switch -- $cmd { + initialize { + return {initialize finalize read} + } + finalize { + return + } + read { + lassign $args buffer + return $buffer + } + } + } + +# Test that all EOFs pass through full xform stack. Proper data boundaries. +# Check robustness against buffer sizes. +test iortrans-4.10 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] idxform] + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} +test iortrans-4.10.1 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] idxform] + chan configure $chan -buffersize 3 + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} +test iortrans-4.10.2 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] idxform] + chan configure $chan -buffersize 5 + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} + +rename idxform {} + +# Channel read transform that delays the data and always returns something + proc delayxform {cmd handle args} { + variable store + switch -- $cmd { + initialize { + set store($handle) {} + return {initialize finalize read drain} + } + finalize { + unset store($handle) + return + } + read { + lassign $args buffer + if {$store($handle) eq {}} { + set reply [string index $buffer 0] + set store($handle) [string range $buffer 1 end] + } else { + set reply $store($handle) + set store($handle) $buffer + } + return $reply + } + drain { + delayxform read $handle {} + } + } + } + +# Test that all EOFs pass through full xform stack. Proper data boundaries. +# Check robustness against buffer sizes. +test iortrans-4.11 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] delayxform] + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} +test iortrans-4.11.1 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] delayxform] + chan configure $chan -buffersize 3 + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} +test iortrans-4.11.2 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] delayxform] + chan configure $chan -buffersize 5 + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} + + rename delayxform {} + +# Channel read transform that delays the data and may return {} + proc delay2xform {cmd handle args} { + variable store + switch -- $cmd { + initialize { + set store($handle) {} + return {initialize finalize read drain} + } + finalize { + unset store($handle) + return + } + read { + lassign $args buffer + set reply $store($handle) + set store($handle) $buffer + return $reply + } + drain { + delay2xform read $handle {} + } + } + } + +test iortrans-4.12 {[5adbc350683] chan read, handle fleeting EOF} -body { + set chan [chan push [chan create read driver] delay2xform] + list [eof $chan] [read $chan] [eof $chan] [read $chan 0] [eof $chan] \ + [read $chan] [eof $chan] +} -cleanup { + close $chan +} -result {0 ..... 1 {} 0 ..... 1} + + rename delay2xform {} + rename driver {} + # --- === *** ########################### # method write (via puts) @@ -995,22 +1207,24 @@ test iortrans-11.1 {origin interpreter of moved transform destroyed during acces # Magic to get the test* commands in the slaves load {} Tcltest $ida load {} Tcltest $idb -} -constraints {testchannel impossible} -match glob -body { +} -constraints {testchannel} -match glob -body { # Set up channel in thread set chan [interp eval $ida $helperscript] + interp eval $ida [list ::variable tempchan [tempchan]] + interp transfer {} $::tempchan $ida set chan [interp eval $ida { proc foo {args} { handle.initialize clear drain flush limit? read write handle.finalize lappend ::res $args - # Destroy interpreter during channel access. Actually not - # possible for an interp to destroy itself. - interp delete {} - return} - set chan [chan push [tempchan] foo] + # Destroy interpreter during channel access. + suicide + } + set chan [chan push $tempchan foo] fconfigure $chan -buffering none set chan }] + interp alias $ida suicide {} interp delete $ida # Move channel to 2nd thread, transform goes with it. interp eval $ida [list testchannel cut $chan] interp eval $idb [list testchannel splice $chan] |