1 /* Test mpq_inp_str. 2 3 Copyright 2001, 2002 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library. 6 7 The GNU MP Library is free software; you can redistribute it and/or modify 8 it under the terms of the GNU Lesser General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or (at your 10 option) any later version. 11 12 The GNU MP Library is distributed in the hope that it will be useful, but 13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15 License for more details. 16 17 You should have received a copy of the GNU Lesser General Public License 18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20 #include "config.h" 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 #if HAVE_UNISTD_H 26 #include <unistd.h> /* for unlink */ 27 #endif 28 29 #include "gmp.h" 30 #include "gmp-impl.h" 31 #include "tests.h" 32 33 34 #define FILENAME "t-inp_str.tmp" 35 36 37 void 38 check_data (void) 39 { 40 static const struct { 41 const char *inp; 42 int base; 43 const char *want; 44 int want_nread; 45 46 } data[] = { 47 48 { "0", 10, "0", 1 }, 49 { "0/1", 10, "0", 3 }, 50 51 { "0/", 10, "0", 0 }, 52 { "/123", 10, "0", 0 }, 53 { "blah", 10, "0", 0 }, 54 { "123/blah", 10, "0", 0 }, 55 { "5 /8", 10, "5", 1 }, 56 { "5/ 8", 10, "0", 0 }, 57 58 { "ff", 16, "255", 2 }, 59 { "-ff", 16, "-255", 3 }, 60 { "FF", 16, "255", 2 }, 61 { "-FF", 16, "-255", 3 }, 62 63 { "z", 36, "35", 1 }, 64 { "Z", 36, "35", 1 }, 65 66 { "0x0", 0, "0", 3 }, 67 { "0x10", 0, "16", 4 }, 68 { "-0x0", 0, "0", 4 }, 69 { "-0x10", 0, "-16", 5 }, 70 { "-0x10/5", 0, "-16/5", 7 }, 71 72 { "00", 0, "0", 2 }, 73 { "010", 0, "8", 3 }, 74 { "-00", 0, "0", 3 }, 75 { "-010", 0, "-8", 4 }, 76 }; 77 78 mpq_t got, want; 79 long ftell_nread; 80 int i, post, j, got_nread; 81 FILE *fp; 82 83 mpq_init (got); 84 mpq_init (want); 85 86 for (i = 0; i < numberof (data); i++) 87 { 88 for (post = 0; post <= 2; post++) 89 { 90 mpq_set_str_or_abort (want, data[i].want, 0); 91 MPQ_CHECK_FORMAT (want); 92 93 fp = fopen (FILENAME, "w+"); 94 ASSERT_ALWAYS (fp != NULL); 95 fputs (data[i].inp, fp); 96 for (j = 0; j < post; j++) 97 putc (' ', fp); 98 fflush (fp); 99 ASSERT_ALWAYS (! ferror(fp)); 100 101 rewind (fp); 102 got_nread = mpq_inp_str (got, fp, data[i].base); 103 104 if (got_nread != 0) 105 { 106 ftell_nread = ftell (fp); 107 if (got_nread != ftell_nread) 108 { 109 printf ("mpq_inp_str nread wrong\n"); 110 printf (" inp \"%s\"\n", data[i].inp); 111 printf (" base %d\n", data[i].base); 112 printf (" got_nread %d\n", got_nread); 113 printf (" ftell_nread %ld\n", ftell_nread); 114 abort (); 115 } 116 } 117 118 if (post == 0 && data[i].want_nread == strlen(data[i].inp)) 119 { 120 int c = getc(fp); 121 if (c != EOF) 122 { 123 printf ("mpq_inp_str didn't read to EOF\n"); 124 printf (" inp \"%s\"\n", data[i].inp); 125 printf (" base %d\n", data[i].base); 126 printf (" c '%c' %#x\n", c, c); 127 abort (); 128 } 129 } 130 131 if (got_nread != data[i].want_nread) 132 { 133 printf ("mpq_inp_str nread wrong\n"); 134 printf (" inp \"%s\"\n", data[i].inp); 135 printf (" base %d\n", data[i].base); 136 printf (" got_nread %d\n", got_nread); 137 printf (" want_nread %d\n", data[i].want_nread); 138 abort (); 139 } 140 141 MPQ_CHECK_FORMAT (got); 142 143 if (! mpq_equal (got, want)) 144 { 145 printf ("mpq_inp_str wrong result\n"); 146 printf (" inp \"%s\"\n", data[i].inp); 147 printf (" base %d\n", data[i].base); 148 mpq_trace (" got ", got); 149 mpq_trace (" want", want); 150 abort (); 151 } 152 153 ASSERT_ALWAYS (fclose (fp) == 0); 154 } 155 } 156 157 mpq_clear (got); 158 mpq_clear (want); 159 } 160 161 int 162 main (void) 163 { 164 tests_start (); 165 166 check_data (); 167 168 unlink (FILENAME); 169 tests_end (); 170 171 exit (0); 172 } 173