diff --git a/test/debug.php b/test/debug.php
new file mode 100755
index 0000000..574ba86
--- /dev/null
+++ b/test/debug.php
@@ -0,0 +1,17 @@
+<?php
+
+echo('<h1>PHP</h1>');
+
+echo('<h2>getenv()</h2>');
+echo('<table>');
+foreach (getenv() as $k => $v)
+    echo("<tr><td>$k</td><td>$v</td></tr>");
+echo('</table>');
+
+echo(getcwd());
+
+echo('<hr />');
+
+require(dirname(__FILE__).'/web.php');
+
+?>
diff --git a/test/debug.py b/test/debug.py
new file mode 100755
index 0000000..e15865a
--- /dev/null
+++ b/test/debug.py
@@ -0,0 +1,14 @@
+#! /usr/bin/env python3
+
+import web
+
+
+web.print_headers_if_needed()
+
+print('<h1>Python</h1>')
+
+print('<h2>os.environ</h2>')
+web.print_environment()
+
+print('<h2>variables</h2>')
+web.print_variables()
diff --git a/test/index.cgi b/test/index.cgi
new file mode 100755
index 0000000..79d83db
--- /dev/null
+++ b/test/index.cgi
@@ -0,0 +1,15 @@
+#! /usr/bin/env python3
+
+from waitress import serve
+
+
+def app():
+    import web
+    web.print_headers_if_needed()
+    counter += 1
+    print('Counter: {}'.format(counter))
+
+
+if __name__ == '__main__':
+    counter = 0
+    serve(app, unix_socket='/var/run/fcgiwrap.socket')
diff --git a/test/web.php b/test/web.php
new file mode 100644
index 0000000..0e2e32a
--- /dev/null
+++ b/test/web.php
@@ -0,0 +1,18 @@
+<?php
+
+foreach (array(
+'REMOTE_ADDR',
+'SERVER_ADDR',
+'HTTPS',
+'REQUEST_SCHEME',
+'HTTP_HOST',
+'SERVER_NAME',
+'SCRIPT_NAME',
+'QUERY_STRING',
+) as $variable)
+putenv("$variable=".getenv($variable));
+
+system(dirname(getenv('SCRIPT_FILENAME')).'/'.
+basename(getenv('SCRIPT_FILENAME'),'.php').'.py');
+
+?>
diff --git a/test/web.py b/test/web.py
new file mode 100644
index 0000000..795f058
--- /dev/null
+++ b/test/web.py
@@ -0,0 +1,36 @@
+import os
+
+VARIABLES = [
+    'REMOTE_ADDR',
+    'SERVER_ADDR',
+    'HTTPS',
+    'REQUEST_SCHEME',
+    'HTTP_HOST',
+    'SERVER_NAME',
+    'SCRIPT_NAME',
+    'QUERY_STRING',
+]
+
+
+def print_headers_if_needed():
+    if not os.environ['SCRIPT_NAME'].endswith('.php'):
+        print('Content-Type: text/html;charset=UTF-8')
+        print()
+
+
+def print_environment():
+    print('<table>')
+    for key, value in sorted(os.environ.items()):
+        print('''
+<tr><td>{}</td><td>{}</td></tr>
+'''.format(key, value))
+    print('</table>')
+
+
+def print_variables():
+    print('<table>')
+    for v in VARIABLES:
+        print('''
+<tr><td>{}</td><td>{}</td></tr>
+'''.format(v, os.environ[v]))
+    print('</table>')