Tests: stream_ssl_preread module tests, ALPN preread.
diff --git a/stream_ssl_preread_alpn.t b/stream_ssl_preread_alpn.t
new file mode 100644
index 0000000..afeb310
--- /dev/null
+++ b/stream_ssl_preread_alpn.t
@@ -0,0 +1,148 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for stream_ssl_preread module, ALPN preread.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+use Test::Nginx::Stream qw/ stream /;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/stream stream_map stream_ssl_preread/)
+ ->has(qw/stream_ssl stream_return/)->has_daemon('openssl')
+ ->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+stream {
+ map $ssl_preread_alpn_protocols $name {
+ "" 127.0.0.1:8093;
+ default $ssl_preread_alpn_protocols;
+ }
+
+ upstream foo {
+ server 127.0.0.1:8091;
+ }
+
+ upstream bar {
+ server 127.0.0.1:8092;
+ }
+
+ upstream foo,bar {
+ server 127.0.0.1:8093;
+ }
+
+ ssl_preread on;
+
+ server {
+ listen 127.0.0.1:8081;
+ proxy_pass $name;
+ }
+
+ ssl_certificate_key localhost.key;
+ ssl_certificate localhost.crt;
+
+ server {
+ listen 127.0.0.1:8091 ssl;
+ listen 127.0.0.1:8092 ssl;
+ listen 127.0.0.1:8093 ssl;
+ ssl_preread off;
+ return $server_port;
+ }
+}
+
+EOF
+
+eval { require IO::Socket::SSL; die if $IO::Socket::SSL::VERSION < 1.56; };
+plan(skip_all => 'IO::Socket::SSL version >= 1.56 required') if $@;
+
+eval { IO::Socket::SSL->can_alpn() or die; };
+plan(skip_all => 'IO::Socket::SSL with OpenSSL ALPN support required') if $@;
+
+eval { exists &Net::SSLeay::P_alpn_selected or die; };
+plan(skip_all => 'Net::SSLeay with OpenSSL ALPN support required') if $@;
+
+$t->write_file('openssl.conf', <<EOF);
+[ req ]
+default_bits = 1024
+encrypt_key = no
+distinguished_name = req_distinguished_name
+[ req_distinguished_name ]
+EOF
+
+my $d = $t->testdir();
+
+foreach my $name ('localhost') {
+ system('openssl req -x509 -new '
+ . "-config $d/openssl.conf -subj /CN=$name/ "
+ . "-out $d/$name.crt -keyout $d/$name.key "
+ . ">>$d/openssl.out 2>&1") == 0
+ or die "Can't create certificate for $name: $!\n";
+}
+
+$t->try_run('no ssl_preread_alpn_protocols')->plan(6);
+
+###############################################################################
+
+my ($p1, $p2, $p3) = (port(8091), port(8092), port(8093));
+
+is(get_ssl(8081, 'foo'), $p1, 'alpn');
+is(get_ssl(8081, 'foo'), $p1, 'alpn again');
+
+is(get_ssl(8081, 'bar'), $p2, 'alpn 2');
+is(get_ssl(8081, 'bar'), $p2, 'alpn 2 again');
+
+is(get_ssl(8081, 'foo', 'bar'), $p3, 'alpn many');
+
+# fallback to an empty value
+
+ok(!get_ssl(8081, ''), 'alpn empty');
+
+###############################################################################
+
+sub get_ssl {
+ my ($port, @alpn) = @_;
+ my $s = stream('127.0.0.1:' . port($port));
+
+ eval {
+ local $SIG{ALRM} = sub { die "timeout\n" };
+ local $SIG{PIPE} = sub { die "sigpipe\n" };
+ alarm(2);
+ IO::Socket::SSL->start_SSL($s->{_socket},
+ SSL_alpn_protocols => [ @alpn ],
+ SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(),
+ SSL_error_trap => sub { die $_[1] }
+ );
+ alarm(0);
+ };
+ alarm(0);
+
+ if ($@) {
+ log_in("died: $@");
+ return undef;
+ }
+
+ return $s->read();
+}
+
+###############################################################################