tests/spawn-test.c - third_party/glib - Git at Google

 /* GLIB - Library of useful routines for C programming
  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */

 /*
  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GLib Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  */

 #undef G_DISABLE_ASSERT
 #undef G_LOG_DOMAIN

 #include <glib.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>

 #ifdef G_OS_WIN32
 #include <fcntl.h>
 #include <io.h>
 #define pipe(fds) _pipe(fds, 4096, _O_BINARY)
 #endif


 static void
 run_tests (void)
 {
   GError *err;
   gchar *output = NULL;
 #ifdef G_OS_WIN32
   gchar *erroutput = NULL;
   int pipedown[2], pipeup[2];
   gchar **argv = 0;
 #endif

   err = NULL;
   if (!g_spawn_command_line_sync ("nonexistent_application foo 'bar baz' blah blah",
                                   NULL, NULL, NULL,
                                   &err))
     {
       g_error_free (err);
     }
   else
     {
       g_warning ("no error for sync spawn of nonexistent application");
       exit (1);
     }

   err = NULL;
   if (!g_spawn_command_line_async ("nonexistent_application foo bar baz \"blah blah\"",
                                    &err))
     {
       g_error_free (err);
     }
   else
     {
       g_warning ("no error for async spawn of nonexistent application");
       exit (1);
     }

   err = NULL;
 #ifdef G_OS_UNIX
   if (!g_spawn_command_line_sync ("/bin/sh -c 'echo hello'",
                                   &output, NULL, NULL,
                                   &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }
   else
     {
       g_assert (output != NULL);

       if (strcmp (output, "hello\n") != 0)
         {
           printf ("output was '%s', should have been 'hello'\n",
                   output);

           exit (1);
         }

       g_free (output);
     }
 #else
 #ifdef G_OS_WIN32
   printf ("Running netstat synchronously, collecting its output\n");

   if (!g_spawn_command_line_sync ("netstat -n",
                                   &output, &erroutput, NULL,
                                   &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }
   else
     {
       g_assert (output != NULL);
       g_assert (erroutput != NULL);

       if (strstr (output, "Active Connections") == 0)
         {
           printf ("output was '%s', should have contained 'Active Connections'\n",
                   output);

           exit (1);
         }
       if (erroutput[0] != '\0')
 	{
 	  printf ("error output was '%s', should have been empty\n",
 		  erroutput);
 	  exit (1);
 	}

       g_free (output);
       output = NULL;
       g_free (erroutput);
       erroutput = NULL;
     }

   printf ("Running spawn-test-win32-gui in various ways. Click on the OK buttons.\n");

   printf ("First asynchronously (without wait).\n");

   if (!g_spawn_command_line_async ("'.\\spawn-test-win32-gui.exe' 1", &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }

   printf ("Now synchronously, collecting its output.\n");
   if (!g_spawn_command_line_sync ("'.\\spawn-test-win32-gui.exe' 2",
 				  &output, &erroutput, NULL,
 				  &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }
   else
     {
       g_assert (output != NULL);
       g_assert (erroutput != NULL);

       if (strcmp (output, "This is stdout\r\n") != 0)
         {
           printf ("output was '%s', should have been 'This is stdout'\n",
                   g_strescape (output, NULL));

           exit (1);
         }
       if (strcmp (erroutput, "This is stderr\r\n") != 0)
 	{
 	  printf ("error output was '%s', should have been 'This is stderr'\n",
 		  g_strescape (erroutput, NULL));
 	  exit (1);
 	}

       g_free (output);
       g_free (erroutput);
     }

   printf ("Now with G_SPAWN_FILE_AND_ARGV_ZERO.\n");

   if (!g_shell_parse_argv ("'.\\spawn-test-win32-gui.exe' this-should-be-argv-zero nop", NULL, &argv, &err))
     {
       fprintf (stderr, "Error parsing command line? %s\n", err->message);
       g_error_free (err);
       exit (1);
     }

   if (!g_spawn_async (NULL, argv, NULL,
 		      G_SPAWN_FILE_AND_ARGV_ZERO,
 		      NULL, NULL, NULL,
 		      &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }

   printf ("Now talking to it through pipes.\n");

   if (pipe (pipedown) < 0 ||
       pipe (pipeup) < 0)
     {
       fprintf (stderr, "Could not create pipes\n");
       exit (1);
     }

   if (!g_shell_parse_argv (g_strdup_printf ("'.\\spawn-test-win32-gui.exe' pipes %d %d",
 					    pipedown[0], pipeup[1]),
                            NULL, &argv,
                            &err))
     {
       fprintf (stderr, "Error parsing command line? %s\n", err->message);
       g_error_free (err);
       exit (1);
     }

   if (!g_spawn_async (NULL, argv, NULL,
 		      G_SPAWN_LEAVE_DESCRIPTORS_OPEN |
 		      G_SPAWN_DO_NOT_REAP_CHILD,
 		      NULL, NULL, NULL,
 		      &err))
     {
       fprintf (stderr, "Error: %s\n", err->message);
       g_error_free (err);
       exit (1);
     }
   else
     {
       int k, n;
       char buf[100];

       if ((k = read (pipeup[0], &n, sizeof (n))) != sizeof (n))
 	{
 	  int errsv = errno;
 	  if (k == -1)
 	    fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
 	  else
 	    fprintf (stderr, "Wanted to read %d bytes, got %d\n",
 		     sizeof (n), k);
 	  exit (1);
 	}

       if ((k = read (pipeup[0], buf, n)) != n)
 	{
 	  int errsv = errno;
 	  if (k == -1)
 	    fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
 	  else
 	    fprintf (stderr, "Wanted to read %d bytes, got %d\n",
 		     n, k);
 	  exit (1);
 	}

       n = strlen ("Bye then");
       if (write (pipedown[1], &n, sizeof (n)) == -1 ||
 	  write (pipedown[1], "Bye then", n) == -1)
 	{
 	  int errsv = errno;
 	  fprintf (stderr, "Write error: %s\n", g_strerror (errsv));
 	  exit (1);
 	}

       if ((k = read (pipeup[0], &n, sizeof (n))) != sizeof (n))
 	{
 	  int errsv = errno;
 	  if (k == -1)
 	    fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
 	  else
 	    fprintf (stderr, "Wanted to read %d bytes, got %d\n",
 		     sizeof (n), k);
 	  exit (1);
 	}

       if ((k = read (pipeup[0], buf, n)) != n)
 	{
 	  int errsv = errno;
 	  if (k == -1)
 	    fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
 	  else
 	    fprintf (stderr, "Wanted to read %d bytes, got %d\n",
 		     n, k);
 	  exit (1);
 	}
     }
 #endif
 #endif
 }

 int
 main (int   argc,
       char *argv[])
 {
   run_tests ();

   return 0;
 }
	/* GLIB - Library of useful routines for C programming
	* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, see <http://www.gnu.org/licenses/>.
	*/

	/*
	* Modified by the GLib Team and others 1997-2000. See the AUTHORS
	* file for a list of people on the GLib Team. See the ChangeLog
	* files for a list of changes. These files are distributed with
	* GLib at ftp://ftp.gtk.org/pub/gtk/.
	*/

	#undef G_DISABLE_ASSERT
	#undef G_LOG_DOMAIN

	#include <glib.h>
	#include <stdio.h>
	#include <string.h>
	#include <stdlib.h>

	#ifdef G_OS_WIN32
	#include <fcntl.h>
	#include <io.h>
	#define pipe(fds) _pipe(fds, 4096, _O_BINARY)
	#endif


	static void
	run_tests (void)
	{
	GError *err;
	gchar *output = NULL;
	#ifdef G_OS_WIN32
	gchar *erroutput = NULL;
	int pipedown[2], pipeup[2];
	gchar **argv = 0;
	#endif

	err = NULL;
	if (!g_spawn_command_line_sync ("nonexistent_application foo 'bar baz' blah blah",
	NULL, NULL, NULL,
	&err))
	{
	g_error_free (err);
	}
	else
	{
	g_warning ("no error for sync spawn of nonexistent application");
	exit (1);
	}

	err = NULL;
	if (!g_spawn_command_line_async ("nonexistent_application foo bar baz \"blah blah\"",
	&err))
	{
	g_error_free (err);
	}
	else
	{
	g_warning ("no error for async spawn of nonexistent application");
	exit (1);
	}

	err = NULL;
	#ifdef G_OS_UNIX
	if (!g_spawn_command_line_sync ("/bin/sh -c 'echo hello'",
	&output, NULL, NULL,
	&err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}
	else
	{
	g_assert (output != NULL);

	if (strcmp (output, "hello\n") != 0)
	{
	printf ("output was '%s', should have been 'hello'\n",
	output);

	exit (1);
	}

	g_free (output);
	}
	#else
	#ifdef G_OS_WIN32
	printf ("Running netstat synchronously, collecting its output\n");

	if (!g_spawn_command_line_sync ("netstat -n",
	&output, &erroutput, NULL,
	&err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}
	else
	{
	g_assert (output != NULL);
	g_assert (erroutput != NULL);

	if (strstr (output, "Active Connections") == 0)
	{
	printf ("output was '%s', should have contained 'Active Connections'\n",
	output);

	exit (1);
	}
	if (erroutput[0] != '\0')
	{
	printf ("error output was '%s', should have been empty\n",
	erroutput);
	exit (1);
	}

	g_free (output);
	output = NULL;
	g_free (erroutput);
	erroutput = NULL;
	}

	printf ("Running spawn-test-win32-gui in various ways. Click on the OK buttons.\n");

	printf ("First asynchronously (without wait).\n");

	if (!g_spawn_command_line_async ("'.\\spawn-test-win32-gui.exe' 1", &err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}

	printf ("Now synchronously, collecting its output.\n");
	if (!g_spawn_command_line_sync ("'.\\spawn-test-win32-gui.exe' 2",
	&output, &erroutput, NULL,
	&err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}
	else
	{
	g_assert (output != NULL);
	g_assert (erroutput != NULL);

	if (strcmp (output, "This is stdout\r\n") != 0)
	{
	printf ("output was '%s', should have been 'This is stdout'\n",
	g_strescape (output, NULL));

	exit (1);
	}
	if (strcmp (erroutput, "This is stderr\r\n") != 0)
	{
	printf ("error output was '%s', should have been 'This is stderr'\n",
	g_strescape (erroutput, NULL));
	exit (1);
	}

	g_free (output);
	g_free (erroutput);
	}

	printf ("Now with G_SPAWN_FILE_AND_ARGV_ZERO.\n");

	if (!g_shell_parse_argv ("'.\\spawn-test-win32-gui.exe' this-should-be-argv-zero nop", NULL, &argv, &err))
	{
	fprintf (stderr, "Error parsing command line? %s\n", err->message);
	g_error_free (err);
	exit (1);
	}

	if (!g_spawn_async (NULL, argv, NULL,
	G_SPAWN_FILE_AND_ARGV_ZERO,
	NULL, NULL, NULL,
	&err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}

	printf ("Now talking to it through pipes.\n");

	if (pipe (pipedown) < 0 \|\|
	pipe (pipeup) < 0)
	{
	fprintf (stderr, "Could not create pipes\n");
	exit (1);
	}

	if (!g_shell_parse_argv (g_strdup_printf ("'.\\spawn-test-win32-gui.exe' pipes %d %d",
	pipedown[0], pipeup[1]),
	NULL, &argv,
	&err))
	{
	fprintf (stderr, "Error parsing command line? %s\n", err->message);
	g_error_free (err);
	exit (1);
	}

	if (!g_spawn_async (NULL, argv, NULL,
	G_SPAWN_LEAVE_DESCRIPTORS_OPEN \|
	G_SPAWN_DO_NOT_REAP_CHILD,
	NULL, NULL, NULL,
	&err))
	{
	fprintf (stderr, "Error: %s\n", err->message);
	g_error_free (err);
	exit (1);
	}
	else
	{
	int k, n;
	char buf[100];

	if ((k = read (pipeup[0], &n, sizeof (n))) != sizeof (n))
	{
	int errsv = errno;
	if (k == -1)
	fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
	else
	fprintf (stderr, "Wanted to read %d bytes, got %d\n",
	sizeof (n), k);
	exit (1);
	}

	if ((k = read (pipeup[0], buf, n)) != n)
	{
	int errsv = errno;
	if (k == -1)
	fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
	else
	fprintf (stderr, "Wanted to read %d bytes, got %d\n",
	n, k);
	exit (1);
	}

	n = strlen ("Bye then");
	if (write (pipedown[1], &n, sizeof (n)) == -1 \|\|
	write (pipedown[1], "Bye then", n) == -1)
	{
	int errsv = errno;
	fprintf (stderr, "Write error: %s\n", g_strerror (errsv));
	exit (1);
	}

	if ((k = read (pipeup[0], &n, sizeof (n))) != sizeof (n))
	{
	int errsv = errno;
	if (k == -1)
	fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
	else
	fprintf (stderr, "Wanted to read %d bytes, got %d\n",
	sizeof (n), k);
	exit (1);
	}

	if ((k = read (pipeup[0], buf, n)) != n)
	{
	int errsv = errno;
	if (k == -1)
	fprintf (stderr, "Read error: %s\n", g_strerror (errsv));
	else
	fprintf (stderr, "Wanted to read %d bytes, got %d\n",
	n, k);
	exit (1);
	}
	}
	#endif
	#endif
	}

	int
	main (int argc,
	char *argv[])
	{
	run_tests ();

	return 0;
	}