From d3b5555f102c1ad192c45a20f02204bfe2a3ebf2 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Wed, 26 Nov 2008 22:51:09 +0100 Subject: [PATCH] argv-iter: add tests * gl/modules/argv-iter-tests: New module. * gl/tests/test-argv-iter.c: New file. --- gl/modules/argv-iter-tests | 10 ++++ gl/tests/test-argv-iter.c | 120 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 130 insertions(+) create mode 100644 gl/modules/argv-iter-tests create mode 100644 gl/tests/test-argv-iter.c diff --git a/gl/modules/argv-iter-tests b/gl/modules/argv-iter-tests new file mode 100644 index 0000000..af0405b --- /dev/null +++ b/gl/modules/argv-iter-tests @@ -0,0 +1,10 @@ +Files: +tests/test-argv-iter.c + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-argv-iter +check_PROGRAMS += test-argv-iter diff --git a/gl/tests/test-argv-iter.c b/gl/tests/test-argv-iter.c new file mode 100644 index 0000000..1daae9a --- /dev/null +++ b/gl/tests/test-argv-iter.c @@ -0,0 +1,120 @@ +/* Test argv iterator + Copyright (C) 2008 Free Software Foundation, Inc. + + 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 . */ + +/* Written by Jim Meyering. */ + +#include +#include +#include +#include + +#define ARRAY_CARDINALITY(Array) (sizeof (Array) / sizeof *(Array)) +#define STREQ(s1, s2) ((strcmp (s1, s2) == 0)) +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + fflush (stderr); \ + abort (); \ + } \ + } \ + while (0) + +#include "argv-iter.h" + +static FILE * +write_nul_delimited_argv (char **argv) +{ + FILE *fp = tmpfile (); + ASSERT (fp); + while (*argv) + { + size_t len = strlen (*argv) + 1; + ASSERT (fwrite (*argv, len, 1, fp) == 1); + argv++; + } + ASSERT (fflush (fp) == 0); + rewind (fp); + return fp; +} + +int +main () +{ + /* set_program_name (argv[0]); placate overzealous "syntax-check" test. */ + static char *av[][4] = { + {NULL}, + {"1", NULL}, + {"1", "2", NULL}, + {"1", "2", "3", NULL} + }; + + int use_stream; + for (use_stream = 0; use_stream < 2; use_stream++) + { + size_t i; + for (i = 0; i < ARRAY_CARDINALITY (av); i++) + { + FILE *fp; + struct argv_iterator *ai; + if (use_stream) + { + /* Generate an identical list to be read via FP. */ + ASSERT ((fp = write_nul_delimited_argv (av[i])) != NULL); + ai = argv_iter_init_stream (fp); + } + else + { + fp = NULL; + ai = argv_iter_init_argv (av[i]); + } + ASSERT (ai); + + size_t n_found = 0; + while (1) + { + enum argv_iter_err ai_err; + char *s = argv_iter (ai, &ai_err); + ASSERT ((i == n_found) == (ai_err == AI_ERR_EOF)); + ASSERT ((s == NULL) ^ (ai_err == AI_ERR_OK)); + ASSERT (ai_err == AI_ERR_OK || ai_err == AI_ERR_EOF); + if (ai_err == AI_ERR_OK) + ++n_found; + if (ai_err == AI_ERR_EOF) + break; + /* In stream mode, the strings are equal, but + in argv mode the actual pointers are equal. */ + ASSERT (use_stream + ? STREQ (s, av[i][n_found - 1]) + : s == av[i][n_found - 1]); + } + ASSERT (argv_iter_n_args (ai) == i); + argv_iter_free (ai); + if (fp) + ASSERT (fclose (fp) == 0); + } + } + + return 0; +} + +/* + * Local variables: + * indent-tabs-mode: nil + * End: + */ -- 2.7.4