Add tests for built-in webserver

sapi/cli/tests/php_cli_server.inc

@@ -0,0 +1,29 @@
+<?php
+define ("PHP_CLI_SERVER_ADDRESS", "localhost:8964");
+
+function php_cli_server_start($php_executable, $code = 'echo "Hello world";') {
+	$doc_root = __DIR__;
+	$router = "router.php";
+	file_put_contents($doc_root . '/' . $router, '<?php ' . $code . ' ?>');
+
+	$descriptorspec = array(
+		0 => STDIN,
+		1 => STDOUT,
+		2 => STDERR,
+	);
+
+	$cmd = "{$php_executable} -t {$doc_root} -S " . PHP_CLI_SERVER_ADDRESS . " {$router}";
+
+	$handle = proc_open($cmd, $descriptorspec, $pipes, $doc_root);
+	sleep(1);
+
+	return $handle;
+}
+
+function php_cli_server_shutdown($handle) {
+	proc_terminate($handle);
+	proc_close($handle);
+	@unlink(__DIR__ . "router.php");
+	return true;
+}
+?>

sapi/cli/tests/php_cli_server_001.phpt

@@ -0,0 +1,21 @@
+--TEST--
+basic function
+--INI--
+allow_url_fopen = TRUE
+--SKIPIF--
+<?php
+include "skipif.inc"; 
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die ("skip not for Windows");
+}
+?>
+--FILE--
+<?php
+include "php_cli_server.inc";
+$php = getenv('TEST_PHP_EXECUTABLE');
+$handle = php_cli_server_start($php);
+var_dump(file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS));
+php_cli_server_shutdown($handle);
+?>
+--EXPECT--	
+string(11) "Hello world"

sapi/cli/tests/php_cli_server_002.phpt

@@ -0,0 +1,23 @@
+--TEST--
+$_SERVER variable
+--INI--
+allow_url_fopen = TRUE
+--SKIPIF--
+<?php
+include "skipif.inc"; 
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die ("skip not for Windows");
+}
+?>
+--FILE--
+<?php
+include "php_cli_server.inc";
+$php = getenv('TEST_PHP_EXECUTABLE');
+$handle = php_cli_server_start($php, 'var_dump($_SERVER["DOCUMENT_ROOT"], $_SERVER["SERVER_SOFTWARE"]);');
+var_dump(file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS));
+php_cli_server_shutdown($handle);
+?>
+--EXPECTF--	
+string(%d) "string(%d) "%s/tests"
+string(%d) "PHP %s Development Server"
+"

sapi/cli/tests/php_cli_server_003.phpt

@@ -0,0 +1,23 @@
+--TEST--
+Bug #55726 (Changing the working directory makes router script inaccessible)
+--INI--
+allow_url_fopen = 1 
+--SKIPIF--
+<?php
+include "skipif.inc"; 
+if (substr(PHP_OS, 0, 3) == 'WIN') {
+    die ("skip not for Windows");
+}
+?>
+--FILE--
+<?php
+include "php_cli_server.inc";
+$php = getenv('TEST_PHP_EXECUTABLE');
+$handle = php_cli_server_start($php, 'chdir("/tmp"); echo "okey";');
+var_dump(file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS));
+var_dump(file_get_contents("http://" . PHP_CLI_SERVER_ADDRESS));
+php_cli_server_shutdown($handle);
+?>
+--EXPECTF--	
+string(4) "okey"
+string(4) "okey"