zlib.test: fix sporadic errors:

 - zlib-9.2 hangs because of too short update, if processed another event;
 - zlib-8.8 wrong non-blocking pipe usage - [string length $compressed] may return sporadically values smaller as expected (< 222)

1 files changed, 6 insertions, 2 deletions

diff --git a/tests/zlib.test b/tests/zlib.test
index 1e69745..63bac7e 100644
--- a/tests/zlib.test
+++ b/tests/zlib.test
@@ -311,7 +311,7 @@ test zlib-8.8 {transformation and fconfigure} -setup {
     lassign [chan pipe] inSide outSide
 } -constraints zlib -body {
     zlib push compress $outSide -dictionary $spdyDict
-    fconfigure $outSide -blocking 0 -translation binary -buffering none
+    fconfigure $outSide -blocking 1 -translation binary -buffering none
     fconfigure $inSide -blocking 1 -translation binary
     puts -nonewline $outSide $spdyHeaders
     chan pop $outSide
@@ -508,6 +508,7 @@ test zlib-9.2 "socket fcopy with push" -constraints zlib -setup {
         chan configure $c -translation binary -buffering none -blocking 0
         puts -nonewline $c [zlib gzip [string repeat a 81920]]
         close $c
+        set ::total -1
     }}} 0]
     set file [makeFile {} test.gz]
 } -body {
@@ -515,7 +516,10 @@ test zlib-9.2 "socket fcopy with push" -constraints zlib -setup {
     set sin [socket $addr $port]
     chan configure $sin -translation binary
     zlib push gunzip $sin
-    update
+    after 1000 {set ::total timeout}
+    vwait ::total
+    after cancel {set ::total timeout}
+    if {$::total != -1} {error "unexpected value $::total of ::total"}
     set total [fcopy $sin [set fout [open $file wb]]]
     close $sin
     close $fout