Imported gcc-4.4.3

[msp430-gcc.git] / gmp / tests / mpf / t-inp_str.c

diff --git a/gmp/tests/mpf/t-inp_str.c b/gmp/tests/mpf/t-inp_str.c
new file mode 100644 (file)
index 0000000..8a50816
--- /dev/null
+++ b/gmp/tests/mpf/t-inp_str.c
@@ -0,0 +1,191 @@
+/* Test mpf_inp_str.
+
+Copyright 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of the GNU MP Library.
+
+The GNU MP Library 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 3 of the License, or (at your
+option) any later version.
+
+The GNU MP Library 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 the GNU MP Library.  If not, see http://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 },
+    { "ghi", 16, "0", 0 },
+
+    { "125",    10, "125",  3 },
+    { "125e1",  10, "1250", 5 },
+    { "125e-1", 10, "12.5", 6 },
+
+    {  "ff", 16,  "255", 2 },
+    { "-ff", 16, "-255", 3 },
+    {  "FF", 16,  "255", 2 },
+    { "-FF", 16, "-255", 3 },
+
+    { "100",     16, "256",  3 },
+    { "100@1",   16, "4096", 5 },
+    { "100@10",  16, "4722366482869645213696", 6 },
+    { "100@10", -16, "281474976710656",        6 },
+    { "100@-1",  16, "16",   6 },
+    { "10000000000000000@-10",  16, "1", 21 },
+    { "10000000000@-10",       -16, "1", 15 },
+
+    { "z", 36, "35", 1 },
+    { "Z", 36, "35", 1 },
+    { "z@1", 36, "1260", 3 },
+    { "Z@1", 36, "1260", 3 },
+
+    {  "0",      0,   "0", 1 },
+  };
+
+  mpf_t  got, want;
+  long   ftell_nread;
+  int    i, pre, post, j, got_nread, want_nread;
+  FILE   *fp;
+
+  mpf_init (got);
+  mpf_init (want);
+
+  for (i = 0; i < numberof (data); i++)
+    {
+      for (pre = 0; pre <= 3; pre++)
+        {
+          for (post = 0; post <= 2; post++)
+            {
+              mpf_set_str_or_abort (want, data[i].want, 10);
+              MPF_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 = mpf_inp_str (got, fp, data[i].base);
+
+              if (got_nread != 0)
+                {
+                  ftell_nread = ftell (fp);
+                  if (got_nread != ftell_nread)
+                    {
+                      printf ("mpf_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 ("mpf_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 ("mpf_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 ();
+                }
+
+              MPF_CHECK_FORMAT (got);
+
+              if (mpf_cmp (got, want) != 0)
+                {
+                  printf ("mpf_inp_str wrong result\n");
+                  printf ("  inp   \"%s\"\n", data[i].inp);
+                  printf ("  base  %d\n", data[i].base);
+                  mpf_trace ("  got ",  got);
+                  mpf_trace ("  want", want);
+                  abort ();
+                }
+
+              ASSERT_ALWAYS (fclose (fp) == 0);
+            }
+        }
+    }
+
+  mpf_clear (got);
+  mpf_clear (want);
+}
+
+int
+main (void)
+{
+  tests_start ();
+
+  check_data ();
+
+  unlink (FILENAME);
+  tests_end ();
+  exit (0);
+}