diff options
Diffstat (limited to 'gmp/tests/mpz/t-inp_str.c')
| -rw-r--r-- | gmp/tests/mpz/t-inp_str.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/gmp/tests/mpz/t-inp_str.c b/gmp/tests/mpz/t-inp_str.c new file mode 100644 index 0000000000..f50290bff6 --- /dev/null +++ b/gmp/tests/mpz/t-inp_str.c @@ -0,0 +1,199 @@ +/* Test mpz_inp_str. + +Copyright 2001, 2002 Free Software Foundation, Inc. + +This file is part of the GNU MP Library test suite. + +The GNU MP Library test suite 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. + +The GNU MP Library test suite 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 +the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ + +#include "config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#if HAVE_UNISTD_H +#include <unistd.h> /* for unlink */ +#endif + +#include "gmp.h" +#include "gmp-impl.h" +#include "tests.h" + + +#define FILENAME "t-inp_str.tmp" + + +void +check_data (void) +{ + static const struct { + const char *inp; + int base; + const char *want; + int want_nread; + + } data[] = { + + { "0", 10, "0", 1 }, + + { "abc", 10, "0", 0 }, + { "0xf", 10, "0", 1 }, + { "ghi", 16, "0", 0 }, + { "100", 90, "0", 0 }, + + { "ff", 16, "255", 2 }, + { "-ff", 16, "-255", 3 }, + { "FF", 16, "255", 2 }, + { "-FF", 16, "-255", 3 }, + + { "z", 36, "35", 1 }, + { "Z", 36, "35", 1 }, + { "1B", 59, "70", 2 }, + { "a", 60, "36", 1 }, + { "A", 61, "10", 1 }, + + { "0x0", 0, "0", 3 }, + { "0X10", 0, "16", 4 }, + { "-0X0", 0, "0", 4 }, + { "-0x10", 0, "-16", 5 }, + + { "0b0", 0, "0", 3 }, + { "0B10", 0, "2", 4 }, + { "-0B0", 0, "0", 4 }, + { "-0b10", 0, "-2", 5 }, + + { "00", 0, "0", 2 }, + { "010", 0, "8", 3 }, + { "-00", 0, "0", 3 }, + { "-010", 0, "-8", 4 }, + + { "0x", 0, "0", 2 }, + { "0", 0, "0", 1 }, + { " 030", 10, "30", 4 }, + }; + + mpz_t got, want; + long ftell_nread; + int i, pre, post, j, got_nread, want_nread; + FILE *fp; + + mpz_init (got); + mpz_init (want); + + for (i = 0; i < numberof (data); i++) + { + for (pre = 0; pre <= 3; pre++) + { + for (post = 0; post <= 2; post++) + { + mpz_set_str_or_abort (want, data[i].want, 0); + MPZ_CHECK_FORMAT (want); + + /* create the file new each time to ensure its length is what + we want */ + fp = fopen (FILENAME, "w+"); + ASSERT_ALWAYS (fp != NULL); + for (j = 0; j < pre; j++) + putc (' ', fp); + fputs (data[i].inp, fp); + for (j = 0; j < post; j++) + putc (' ', fp); + fflush (fp); + ASSERT_ALWAYS (! ferror(fp)); + + rewind (fp); + got_nread = mpz_inp_str (got, fp, data[i].base); + + if (got_nread != 0) + { + ftell_nread = ftell (fp); + if (got_nread != ftell_nread) + { + printf ("mpz_inp_str nread wrong\n"); + printf (" inp \"%s\"\n", data[i].inp); + printf (" base %d\n", data[i].base); + printf (" pre %d\n", pre); + printf (" post %d\n", post); + printf (" got_nread %d\n", got_nread); + printf (" ftell_nread %ld\n", ftell_nread); + abort (); + } + } + + /* if data[i].inp is a whole string to read and there's no post + whitespace then expect to have EOF */ + if (post == 0 && data[i].want_nread == strlen(data[i].inp)) + { + int c = getc(fp); + if (c != EOF) + { + printf ("mpz_inp_str didn't read to EOF\n"); + printf (" inp \"%s\"\n", data[i].inp); + printf (" base %d\n", data[i].base); + printf (" pre %d\n", pre); + printf (" post %d\n", post); + printf (" c '%c' %#x\n", c, c); + abort (); + } + } + + /* only expect "pre" included in the count when non-zero */ + want_nread = data[i].want_nread; + if (want_nread != 0) + want_nread += pre; + + if (got_nread != want_nread) + { + printf ("mpz_inp_str nread wrong\n"); + printf (" inp \"%s\"\n", data[i].inp); + printf (" base %d\n", data[i].base); + printf (" pre %d\n", pre); + printf (" post %d\n", post); + printf (" got_nread %d\n", got_nread); + printf (" want_nread %d\n", want_nread); + abort (); + } + + MPZ_CHECK_FORMAT (got); + + if (mpz_cmp (got, want) != 0) + { + printf ("mpz_inp_str wrong result\n"); + printf (" inp \"%s\"\n", data[i].inp); + printf (" base %d\n", data[i].base); + mpz_trace (" got ", got); + mpz_trace (" want", want); + abort (); + } + + ASSERT_ALWAYS (fclose (fp) == 0); + } + } + } + + mpz_clear (got); + mpz_clear (want); +} + +int +main (void) +{ + tests_start (); + + check_data (); + + unlink (FILENAME); + tests_end (); + exit (0); +} |