# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1511871968 -10800
# Node ID 6fff42643fd73a6404ec7dce525550a91698a503
# Parent  86e6287707eeb5cd2a8efc171376fdfcd0a50bb2
Tests: binary upgrade.

diff --git a/upgrade.t b/upgrade.t
new file mode 100644
--- /dev/null
+++ b/upgrade.t
@@ -0,0 +1,56 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for binary upgrade.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+plan(skip_all => 'can leave orphaned process group')
+	unless $ENV{TEST_NGINX_UNSAFE};
+
+my $t = Test::Nginx->new()->plan(2)->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+events {
+}
+
+EOF
+
+$t->run();
+
+###############################################################################
+
+my $pid = $t->read_file('nginx.pid');
+ok($pid, 'master pid');
+
+kill 'USR2', $pid;
+
+for (1 .. 10) {
+	last if -e $t->testdir() . '/nginx.pid'
+		&& -e $t->testdir() . '/nginx.pid.oldbin';
+	select undef, undef, undef, 0.2
+}
+
+isnt($t->read_file('nginx.pid'), $pid, 'master pid changed');
+
+kill 'QUIT', $pid;
+
+###############################################################################