diff options
| -rw-r--r-- | tests/ioTrans.test | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tests/ioTrans.test b/tests/ioTrans.test index 53078f7..f1fa733 100644 --- a/tests/ioTrans.test +++ b/tests/ioTrans.test @@ -597,6 +597,62 @@ test iortrans-4.9 {chan read, gets, bug 2921116} -setup { rename foo {} } -result {{read rt* {test data }} {}} +test iortrans-4.10 {[5adbc350683] chan read, handle fleeting EOF} -setup { + proc driver {cmd args} { + variable buffer + variable 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) + 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 + } + } + } + proc idxform {cmd handle args} { + switch -- $cmd { + initialize { + return {initialize finalize read} + } + finalize { + return + } + read { + lassign $args buffer + return $buffer + } + } + } +} -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 + rename idxform {} + rename driver {} +} -result {0 ..... 1 {} 0 ..... 1} + # --- === *** ########################### # method write (via puts) |