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-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-pipe-filter-gi2-main.c b/gnulib/tests/test-pipe-filter-gi2-main.c
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+/* Test harness for pipe-filter-gi.
+
+ Copyright (C) 2009-2011 Free Software Foundation, Inc.
+ Written by Paolo Bonzini <bonzini@gnu.org>, 2009.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "pipe-filter.h"
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+
+#include "full-write.h"
+#include "progname.h"
+#include "macros.h"
+
+/* 0.1 sec pause */
+static void
+small_nap (void)
+{
+ usleep (100000);
+}
+
+static char static_buf[5];
+
+static void *
+prepare_read (size_t *num_bytes_p, void *private_data)
+{
+ *num_bytes_p = sizeof (static_buf);
+ return static_buf;
+}
+
+/* Callback that ignores the data that has been read. */
+
+static void
+ignore_done_read (void *data_read, size_t num_bytes_read, void *private_data)
+{
+}
+
+/* Callback that outputs the data that has been read. */
+
+static void
+output_done_read (void *data_read, size_t num_bytes_read, void *private_data)
+{
+ full_write (STDOUT_FILENO, data_read, num_bytes_read);
+}
+
+static void
+pipe_filter_gi_write_string (struct pipe_filter_gi *f, const char *string)
+{
+ pipe_filter_gi_write (f, string, strlen (string));
+}
+
+int
+main (int argc, char **argv)
+{
+ struct pipe_filter_gi *f;
+ const char *path[] = { NULL, NULL };
+
+ set_program_name (argv[0]);
+
+ ASSERT (argc == 2);
+
+ /* Test writing to a nonexistent program traps sooner or later. */
+ {
+ int rc;
+
+ path[0] = "/nonexistent/blah";
+ f = pipe_filter_gi_create ("pipe-filter-test", path[0], path, true, false,
+ prepare_read, ignore_done_read, NULL);
+ small_nap ();
+ rc = pipe_filter_gi_write (f, "", 1);
+ ASSERT (rc == 127 || rc == -1);
+ rc = pipe_filter_gi_close (f);
+ ASSERT (rc == 127 || rc == -1);
+ printf ("Test 1 passed.\n");
+ fflush (stdout);
+ }
+
+ /* Test returning the exit status. */
+ {
+ path[0] = argv[1];
+ f = pipe_filter_gi_create ("pipe-filter-test", path[0], path, false, false,
+ prepare_read, ignore_done_read, NULL);
+ pipe_filter_gi_write_string (f, "1 -1");
+ ASSERT (pipe_filter_gi_close (f) == 1);
+ printf ("Test 2 passed.\n");
+ fflush (stdout);
+ }
+
+ /* Same, but test returning the status in pipe_filter_gi_write. */
+ {
+ int rc;
+
+ path[0] = argv[1];
+ f = pipe_filter_gi_create ("pipe-filter-test", path[0], path, false, false,
+ prepare_read, ignore_done_read, NULL);
+ pipe_filter_gi_write_string (f, "1 -1\n"); /* tell the child to terminate */
+ small_nap (); /* let the child terminate */
+ rc = pipe_filter_gi_write (f, " ", 1); /* write to a closed pipe */
+ ASSERT (rc == -1 && errno == EPIPE);
+ /* Closing the filter must report same error again, for consistency with
+ pipe_filter_ii_execute. The subprocess' exit status is not returned. */
+ rc = pipe_filter_gi_close (f);
+ ASSERT (rc == -1 && errno == EPIPE);
+ printf ("Test 3 passed.\n");
+ fflush (stdout);
+ }
+
+ /* Now test asynchronous I/O. */
+ {
+ path[0] = argv[1];
+ f = pipe_filter_gi_create ("pipe-filter-test", path[0], path, false, true,
+ prepare_read, output_done_read, NULL);
+ pipe_filter_gi_write_string (f, "1 50\n");
+ pipe_filter_gi_write_string (f, "51\n");
+ pipe_filter_gi_write_string (f, "100");
+ ASSERT (pipe_filter_gi_close (f) == 0);
+ printf ("Test 4 passed.\n");
+ fflush (stdout);
+ }
+
+ return 0;
+}