[PATCH] Tests: HTTP/2 tests with error_page and return

[Sergey Kandaurov]

# HG changeset patch
# User Sergey Kandaurov <pluknet at nginx.com>
# Date 1682952238 -14400
#      Mon May 01 18:43:58 2023 +0400
# Node ID 90aaa942972884dcd67b6744fde39a154fec5d13
# Parent  36a4563f7f005184547575f5ac4f22ef53a59c72
Tests: HTTP/2 tests with error_page and return.

diff --git a/h2_error_page.t b/h2_error_page.t
new file mode 100644
--- /dev/null
+++ b/h2_error_page.t
@@ -0,0 +1,88 @@
+#!/usr/bin/perl
+
+# (C) Sergey Kandaurov
+# (C) Nginx, Inc.
+
+# Tests for HTTP/2 protocol with error_page directive.
+
+###############################################################################
+
+use warnings;
+use strict;
+
+use Test::More;
+
+BEGIN { use FindBin; chdir($FindBin::Bin); }
+
+use lib 'lib';
+use Test::Nginx;
+use Test::Nginx::HTTP2;
+
+###############################################################################
+
+select STDERR; $| = 1;
+select STDOUT; $| = 1;
+
+my $t = Test::Nginx->new()->has(qw/http http_v2 rewrite/)->plan(2)
+	->write_file_expand('nginx.conf', <<'EOF');
+
+%%TEST_GLOBALS%%
+
+daemon off;
+
+events {
+}
+
+http {
+    %%TEST_GLOBALS_HTTP%%
+
+    server {
+        listen       127.0.0.1:8080 http2;
+        server_name  localhost;
+
+        lingering_close off;
+
+        error_page 400 = /close;
+
+        location / { }
+
+        location /close {
+            return 444;
+        }
+    }
+}
+
+EOF
+
+$t->run();
+
+###############################################################################
+
+my ($sid, $frames, $frame);
+
+# tests for socket leak with "return 444" in error_page
+
+# ticket #274
+
+my $s1 = Test::Nginx::HTTP2->new();
+$sid = $s1->new_stream({ headers => [
+        { name => ':method', value => 'GET' },
+        { name => ':path', value => '/' },
+        { name => ':authority', value => 'localhost' }]});
+$frames = $s1->read(all => [{ type => 'RST_STREAM' }]);
+
+($frame) = grep { $_->{type} eq "RST_STREAM" } @$frames;
+is($frame->{sid}, $sid, 'error 400 return 444 - missing header');
+
+# ticket #2455
+
+my $s2 = Test::Nginx::HTTP2->new();
+$sid = $s2->new_stream({ method => 'foo' });
+$frames = $s2->read(all => [{ type => 'RST_STREAM' }]);
+
+($frame) = grep { $_->{type} eq "RST_STREAM" } @$frames;
+is($frame->{sid}, $sid, 'error 400 return 444 - invalid header');
+
+$t->stop();
+
+###############################################################################