diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/socket.test | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/tests/socket.test b/tests/socket.test index dd57a3d..b121022 100644 --- a/tests/socket.test +++ b/tests/socket.test @@ -71,6 +71,23 @@ testConstraint exec [llength [info commands exec]] # from 49152 through 65535. proc randport {} { expr {int(rand()*16383+49152)} } +# Test the latency of tcp connections over the loopback interface. Some OSes +# (e.g. NetBSD) seem to use the Nagle algorithm and delayed ACKs, so it takes +# up to 200ms for a packet sent to localhost to arrive. We're measuring this +# here, so that OSes that don't have this problem can +set server [socket -server {apply {{s a p} {set ::s1 $s}}} 0] +set s2 [socket localhost [lindex [fconfigure $server -sockname] 2]] +vwait s1; close $server +fconfigure $s1 -buffering line +fconfigure $s2 -buffering line +set t1 [clock milliseconds] +puts $s2 test1; gets $s1 +puts $s2 test2; gets $s1 +close $s1; close $s2 +set t2 [clock milliseconds] +set latency [expr {$t2-$t1}] +unset t1 t2 s1 s2 server + # If remoteServerIP or remoteServerPort are not set, check in the environment # variables for externally set values. # @@ -584,7 +601,7 @@ test socket_$af-2.11 {detecting new data} -constraints [list socket supported_$a fconfigure $sock -blocking 1 puts $s2 two flush $s2 - after idle {set x 1} + after $latency {set x 1}; # NetBSD fails here if we do [after idle] vwait x fconfigure $sock -blocking 0 lappend result c:[gets $sock] @@ -1713,12 +1730,14 @@ test socket-14.0 {[socket -async] when server only listens on one address family set port [lindex [fconfigure $server -sockname] 2] } -body { set client [socket -async localhost $port] - after 1000 {set x [fconfigure $client -error]} + set after [after 1000 {set x [fconfigure $client -error]}] vwait x set x } -cleanup { + after cancel $after close $server close $client + unset x } -result ok test socket-14.1 {[socket -async] fileevent while still connecting} \ -constraints [list socket supported_any] \ @@ -1727,13 +1746,15 @@ test socket-14.1 {[socket -async] fileevent while still connecting} \ global x puts $s bye close $s - set x ok + lappend x ok } - set server [socket -server accept -myaddr 127.0.0.1 2222] + set server [socket -server accept -myaddr 127.0.0.1 0] set port [lindex [fconfigure $server -sockname] 2] } -body { set client [socket -async localhost $port] - fileevent $client readable {lappend x [fconfigure $client -error]} + fileevent $client writable { + lappend x [expr {[fconfigure $client -error] eq ""}] + } set after [after 1000 {set x timeout}] vwait x vwait x @@ -1742,18 +1763,20 @@ test socket-14.1 {[socket -async] fileevent while still connecting} \ after cancel $after close $server close $client - } -result {ok {}} + unset x + } -result {ok 1} test socket-14.2 {[socket -async] fileevent connection refused} \ -constraints [list socket supported_any] \ -body { set client [socket -async localhost 0] - fileevent $client readable {set x [fconfigure $client -error]} + fileevent $client writable {set x [fconfigure $client -error]} set after [after 1000 {set x timeout}] vwait x set x } -cleanup { after cancel $after close $client + unset x } -result "connection refused" ::tcltest::cleanupTests |