1 /* Test harness for pipe-filter-ii.
3 Copyright (C) 2009-2024 Free Software Foundation, Inc.
4 Written by Paolo Bonzini <bonzini@gnu.org>, 2009.
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
21 #include "pipe-filter.h"
29 #include "binary-io.h"
30 #include "full-write.h"
43 prepare_write (size_t *num_bytes_p
, void *private_data
)
45 struct locals
*l
= (struct locals
*) private_data
;
46 if (l
->nwritten
< l
->size
)
48 *num_bytes_p
= l
->size
- l
->nwritten
;
49 return l
->input
+ l
->nwritten
;
56 done_write (void *data_written
, size_t num_bytes_written
, void *private_data
)
58 struct locals
*l
= (struct locals
*) private_data
;
59 l
->nwritten
+= num_bytes_written
;
63 prepare_read (size_t *num_bytes_p
, void *private_data
)
65 struct locals
*l
= (struct locals
*) private_data
;
66 *num_bytes_p
= sizeof (l
->buf
);
70 /* Callback that ignores the data that has been read. */
73 ignore_done_read (void *data_read
, size_t num_bytes_read
, void *private_data
)
77 /* Callback that outputs the data that has been read. */
80 output_done_read (void *data_read
, size_t num_bytes_read
, void *private_data
)
82 full_write (STDOUT_FILENO
, data_read
, num_bytes_read
);
86 main (int argc
, char **argv
)
88 const char *path
[] = { NULL
, NULL
};
92 set_binary_mode (STDOUT_FILENO
, O_BINARY
);
94 /* Test writing to a nonexistent program traps sooner or later. */
103 path
[0] = "/nonexistent/blah";
104 rc
= pipe_filter_ii_execute ("pipe-filter-test", path
[0], path
, true, false,
105 prepare_write
, done_write
,
106 prepare_read
, ignore_done_read
,
108 ASSERT (rc
== 127 || rc
== -1);
109 printf ("Test 1 passed.\n");
113 /* Test returning the exit status. */
119 l
.size
= strlen (l
.input
);
123 rc
= pipe_filter_ii_execute ("pipe-filter-test", path
[0], path
, false, false,
124 prepare_write
, done_write
,
125 prepare_read
, ignore_done_read
,
128 printf ("Test 2 passed.\n");
132 /* Now test asynchronous I/O. */
137 l
.input
= "1 50\n51\n100";
138 l
.size
= strlen (l
.input
);
142 rc
= pipe_filter_ii_execute ("pipe-filter-test", path
[0], path
, false, true,
143 prepare_write
, done_write
,
144 prepare_read
, output_done_read
,
147 printf ("Test 3 passed.\n");
151 return test_exit_status
;