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Diffstat (limited to 'tests/t-data.c')
-rw-r--r-- | tests/t-data.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/tests/t-data.c b/tests/t-data.c new file mode 100644 index 0000000..a319484 --- /dev/null +++ b/tests/t-data.c @@ -0,0 +1,285 @@ +/* t-data - Regression tests for the gpgme_data_t abstraction. + Copyright (C) 2001, 2004 g10 Code GmbH + + This file is part of GPGME. + + GPGME 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. + + GPGME 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 program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ + +/* We need to include config.h so that we know whether we are building + with large file system (LFS) support. */ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#include <gpgme.h> + +#define fail_if_err(a) do { if(a) { \ + fprintf (stderr, "%s:%d: (%i) gpgme_error_t " \ + "%s\n", __FILE__, __LINE__, round, \ + gpgme_strerror(a)); \ + exit (1); } \ + } while(0) + +static char * +make_filename (const char *fname) +{ + const char *srcdir = getenv ("srcdir"); + char *buf; + + if (!srcdir) + srcdir = "."; + buf = malloc (strlen(srcdir) + strlen(fname) + 2 ); + if (!buf) + { + fprintf (stderr, "%s:%d: could not allocate string: %s\n", + __FILE__, __LINE__, strerror (errno)); + exit (1); + } + strcpy (buf, srcdir); + strcat (buf, "/"); + strcat (buf, fname); + return buf; +} + +typedef enum + { + TEST_INITIALIZER, + TEST_INVALID_ARGUMENT, + TEST_INOUT_NONE, + TEST_INOUT_MEM_NO_COPY, + TEST_INOUT_MEM_COPY, + TEST_INOUT_MEM_FROM_FILE_COPY, + TEST_INOUT_MEM_FROM_INEXISTANT_FILE, + TEST_INOUT_MEM_FROM_FILE_NO_COPY, + TEST_INOUT_MEM_FROM_FILE_PART_BY_NAME, + TEST_INOUT_MEM_FROM_INEXISTANT_FILE_PART, + TEST_INOUT_MEM_FROM_FILE_PART_BY_FP, + TEST_END + } round_t; + +const char *text = "Just GNU it!\n"; +const char *text2 = "Just GNU it!\nJust GNU it!\n"; + +int +read_cb (void *cb_value, char *buffer, size_t count, size_t *nread) +{ + static int off = 0; + unsigned int amount = strlen (text) - off; + /* round_t round = *((round_t *) cb_value); */ + + if (!buffer && !count && !nread) + { + /* Rewind requested. */ + off = 0; + return 0; + } + if (! buffer || !nread) + return -1; + if (amount <= 0) + { + /* End of file. */ + *nread = 0; + return -1; + } + if (amount > count) + amount = count; + memcpy (buffer, text, amount); + off += amount; + *nread = amount; + return 0; +} + +void +read_once_test (round_t round, gpgme_data_t data) +{ + char buffer[1024]; + size_t read; + + read = gpgme_data_read (data, buffer, sizeof (buffer)); + + if (read != strlen (text) || strncmp (buffer, text, strlen (text))) + { + fprintf (stderr, "%s:%d: (%i) gpgme_data_read returned wrong data\n", + __FILE__, __LINE__, round); + exit (1); + } + + read = gpgme_data_read (data, buffer, sizeof (buffer)); + if (read) + { + fprintf (stderr, "%s:%d: (%i) gpgme_data_read did not signal EOF\n", + __FILE__, __LINE__, round); + exit (1); + } +} + +void +read_test (round_t round, gpgme_data_t data) +{ + char buffer[1024]; + size_t read; + + if (round == TEST_INOUT_NONE) + { + read = gpgme_data_read (data, buffer, sizeof (buffer)); + if (read > 0) + { + fprintf (stderr, "%s:%d: (%i) gpgme_data_read succeded unexpectedly\n", + __FILE__, __LINE__, round); + exit (1); + } + return; + } + + read_once_test (round, data); + gpgme_data_seek (data, 0, SEEK_SET); + read_once_test (round, data); +} + +void +write_test (round_t round, gpgme_data_t data) +{ + char buffer[1024]; + size_t amt; + + amt = gpgme_data_write (data, text, strlen (text)); + if (amt != strlen (text)) + fail_if_err (gpgme_error_from_errno (errno)); + + gpgme_data_seek (data, 0, SEEK_SET); + + if (round == TEST_INOUT_NONE) + read_once_test (round, data); + else + { + amt = gpgme_data_read (data, buffer, sizeof (buffer)); + + if (amt != strlen (text2) || strncmp (buffer, text2, strlen (text2))) + { + fprintf (stderr, "%s:%d: (%i) gpgme_data_read returned wrong data\n", + __FILE__, __LINE__, round); + exit (1); + } + + amt = gpgme_data_read (data, buffer, sizeof (buffer)); + if (amt) + { + fprintf (stderr, "%s:%d: (%i) gpgme_data_read did not signal EOF\n", + __FILE__, __LINE__, round); + exit (1); + } + } +} + +int +main (int argc, char **argv) +{ + round_t round = TEST_INITIALIZER; + const char *text_filename = make_filename ("t-data-1.txt"); + const char *longer_text_filename = make_filename ("t-data-2.txt"); + const char *missing_filename = "this-file-surely-does-not-exist"; + gpgme_error_t err = 0; + gpgme_data_t data; + + while (++round) + { + switch (round) + { + case TEST_INVALID_ARGUMENT: + err = gpgme_data_new (NULL); + if (!err) + { + fprintf (stderr, "%s:%d: gpgme_data_new on NULL pointer succeeded " + "unexpectedly\n", __FILE__, __LINE__); + exit (1); + } + continue; + case TEST_INOUT_NONE: + err = gpgme_data_new (&data); + break; + case TEST_INOUT_MEM_NO_COPY: + err = gpgme_data_new_from_mem (&data, text, strlen (text), 0); + break; + case TEST_INOUT_MEM_COPY: + err = gpgme_data_new_from_mem (&data, text, strlen (text), 1); + break; + case TEST_INOUT_MEM_FROM_FILE_COPY: + err = gpgme_data_new_from_file (&data, text_filename, 1); + break; + case TEST_INOUT_MEM_FROM_INEXISTANT_FILE: + err = gpgme_data_new_from_file (&data, missing_filename, 1); + if (!err) + { + fprintf (stderr, "%s:%d: gpgme_data_new_from_file on inexistant " + "file succeeded unexpectedly\n", __FILE__, __LINE__); + exit (1); + } + continue; + case TEST_INOUT_MEM_FROM_FILE_NO_COPY: + err = gpgme_data_new_from_file (&data, text_filename, 0); + /* This is not implemented yet. */ + if (gpgme_err_code (err) == GPG_ERR_NOT_IMPLEMENTED + || gpgme_err_code (err) == GPG_ERR_INV_VALUE) + continue; + break; + case TEST_INOUT_MEM_FROM_FILE_PART_BY_NAME: + err = gpgme_data_new_from_filepart (&data, longer_text_filename, 0, + strlen (text), strlen (text)); + break; + case TEST_INOUT_MEM_FROM_INEXISTANT_FILE_PART: + err = gpgme_data_new_from_filepart (&data, missing_filename, 0, + strlen (text), strlen (text)); + if (!err) + { + fprintf (stderr, "%s:%d: gpgme_data_new_from_file on inexistant " + "file succeeded unexpectedly\n", __FILE__, __LINE__); + exit (1); + } + continue; + case TEST_INOUT_MEM_FROM_FILE_PART_BY_FP: + { + FILE *fp = fopen (longer_text_filename, "rb"); + if (! fp) + { + fprintf (stderr, "%s:%d: fopen: %s\n", __FILE__, __LINE__, + strerror (errno)); + exit (1); + } + err = gpgme_data_new_from_filepart (&data, 0, fp, + strlen (text), strlen (text)); + } + break; + case TEST_END: + return 0; + case TEST_INITIALIZER: + /* Shouldn't happen. */ + fprintf (stderr, "%s:%d: impossible condition\n", __FILE__, __LINE__); + exit (1); + } + fail_if_err (err); + + read_test (round, data); + write_test (round, data); + gpgme_data_release (data); + } + return 0; +} |