1 files changed, 94 insertions, 0 deletions
diff --git a/stdlib/tst-strtod.c b/stdlib/tst-strtod.c
new file mode 100644
index 0000000000..a38ff4a74b
--- /dev/null
+++ b/stdlib/tst-strtod.c
@@ -0,0 +1,94 @@
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+struct ltest
+  {
+    CONST char *str;		/* Convert this.  */
+    double expect;		/* To get this.  */
+    char left;			/* With this left over.  */
+    int err;			/* And this in errno.  */
+  };
+static CONST struct ltest tests[] =
+  {
+    { "12.345", 12.345, '\0', 0 },
+    { "12.345e19", 12.345e19, '\0', 0 },
+    { "-.1e+9", -.1e+9, '\0', 0 },
+    { ".125", .125, '\0', 0 },
+    { "1e20", 1e20, '\0', 0 },
+    { NULL, 0, '\0', 0 }
+  };
+
+static void EXFUN(expand, (char *dst, int c));
+
+int
+DEFUN_VOID(main)
+{
+  register CONST struct ltest *lt;
+  char *ep;
+  int status = 0;
+
+  for (lt = tests; lt->str != NULL; ++lt)
+    {
+      double d;
+
+      errno = 0;
+      d = strtod(lt->str, &ep);
+      printf("strtod(\"%s\") test %u",
+	     lt->str, (unsigned int) (lt - tests));
+      if (d == lt->expect && *ep == lt->left && errno == lt->err)
+	puts("\tOK");
+      else
+	{
+	  puts("\tBAD");
+	  if (d != lt->expect)
+	    printf("  returns %.60g, expected %.60g\n", d, lt->expect);
+	  if (lt->left != *ep)
+	    {
+	      char exp1[5], exp2[5];
+	      expand(exp1, *ep);
+	      expand(exp2, lt->left);
+	      printf("  leaves '%s', expected '%s'\n", exp1, exp2);
+	    }
+	  if (errno != lt->err)
+	    printf("  errno %d (%s)  instead of %d (%s)\n",
+		   errno, strerror(errno), lt->err, strerror(lt->err));
+	  status = 1;
+	}
+    }
+
+  exit(status ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
+static void
+DEFUN(expand, (dst, c), register char *dst AND register int c)
+{
+  if (isprint(c))
+    {
+      dst[0] = c;
+      dst[1] = '\0';
+    }
+  else
+    (void) sprintf(dst, "%#.3o", (unsigned int) c);
+}