# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1490713122 -10800
# Node ID d12c45f14102bad5bd46573d176e847abeaf7bab
# Parent  d37983612b04459382aa0fbef798e3f624700824
Tests: handled EOF in ssl_proxy_upgrade.t.

diff --git a/ssl_proxy_upgrade.t b/ssl_proxy_upgrade.t
--- a/ssl_proxy_upgrade.t
+++ b/ssl_proxy_upgrade.t
@@ -232,9 +232,12 @@ sub upgrade_getline {
 	$s->blocking(0);
 	while (IO::Select->new($s)->can_read(3)) {
 		my $n = $s->sysread($buf, 16384);
-		unless ($n) {
+		if (!defined $n) {
 			next if $s->errstr() == IO::Socket::SSL->SSL_WANT_READ;
 			last;
+
+		} elsif (!$n) {
+			last;
 		}
 
 		$h->{b} .= $buf;