doc: use ASCII in .texi files where UTF-8 isn't needed

[gnulib.git] / tests / test-readlink.c

diff --git a/tests/test-readlink.c b/tests/test-readlink.c
index 97a6788..e6adbe5 100644 (file)
--- a/tests/test-readlink.c
+++ b/tests/test-readlink.c
@@ -1,5 +1,5 @@
 /* Tests of readlink.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2014 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
@@ -20,110 +20,29 @@
 
 #include <unistd.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (readlink, ssize_t, (char const *, char *, size_t));
+
 #include <fcntl.h>
 #include <errno.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 
-#define ASSERT(expr) \
-  do                                                                         \
-    {                                                                        \
-      if (!(expr))                                                           \
-       {                                                                    \
-         fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__);  \
-         fflush (stderr);                                                   \
-         abort ();                                                          \
-       }                                                                    \
-    }                                                                        \
-  while (0)
+#include "ignore-value.h"
+#include "macros.h"
 
 #define BASE "test-readlink.t"
 
+#include "test-readlink.h"
+
 int
-main ()
+main (void)
 {
-  char buf[80];
-
   /* Remove any leftovers from a previous partial run.  */
-  ASSERT (system ("rm -rf " BASE "*") == 0);
-
-  /* Sanity checks of failures.  Mingw lacks symlink, but readlink can
-     still distinguish between various errors.  */
-  memset (buf, 0xff, sizeof buf);
-  errno = 0;
-  ASSERT (readlink ("no_such", buf, sizeof buf) == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (readlink ("no_such/", buf, sizeof buf) == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (readlink ("", buf, sizeof buf) == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (readlink (".", buf, sizeof buf) == -1);
-  ASSERT (errno == EINVAL);
-  errno = 0;
-  ASSERT (readlink ("./", buf, sizeof buf) == -1);
-  ASSERT (errno == EINVAL);
-  ASSERT (close (creat (BASE "file", 0600)) == 0);
-  errno = 0;
-  ASSERT (readlink (BASE "file", buf, sizeof buf) == -1);
-  ASSERT (errno == EINVAL);
-  errno = 0;
-  ASSERT (readlink (BASE "file/", buf, sizeof buf) == -1);
-  ASSERT (errno == ENOTDIR);
-  ASSERT (unlink (BASE "file") == 0);
-
-  /* Now test actual symlinks.  */
-  if (symlink (BASE "dir", BASE "link"))
-    {
-      fputs ("skipping test: symlinks not supported on this filesystem\n",
-            stderr);
-      return 77;
-    }
-  ASSERT (mkdir (BASE "dir", 0700) == 0);
-  errno = 0;
-  ASSERT (readlink (BASE "link/", buf, sizeof buf) == -1);
-  ASSERT (errno == EINVAL);
-  {
-    /* Up till now, no readlink has been successful, so buf should be
-       unchanged.  */
-    int i;
-    for (i = 0; i < sizeof buf; i++)
-      ASSERT (buf[i] == (char) 0xff);
-  }
-  {
-    size_t len = strlen (BASE "dir");
-    /* When passing too small of a buffer, expect the truncated
-       length, or an ERANGE failure.  However, a size of 0 is not
-       portable enough to test.  */
-    ssize_t result;
-    errno = 0;
-    result = readlink (BASE "link", buf, 1);
-    if (result == -1)
-      {
-       ASSERT (errno == ERANGE);
-       ASSERT (buf[0] == (char) 0xff);
-      }
-    else
-      {
-       ASSERT (result == 1);
-       ASSERT (buf[0] == BASE[0]);
-      }
-    ASSERT (buf[1] == (char) 0xff);
-    ASSERT (readlink (BASE "link", buf, len) == len);
-    ASSERT (strncmp (buf, BASE "dir", len) == 0);
-    ASSERT (buf[len] == (char) 0xff);
-    ASSERT (readlink (BASE "link", buf, sizeof buf) == len);
-    ASSERT (strncmp (buf, BASE "dir", len) == 0);
-    /* POSIX says rest of buf is unspecified; but in practice, it is
-       either left alone, or NUL-terminated.  */
-    ASSERT (buf[len] == '\0' || buf[len] == (char) 0xff);
-  }
-  ASSERT (rmdir (BASE "dir") == 0);
-  ASSERT (unlink (BASE "link") == 0);
+  ignore_value (system ("rm -rf " BASE "*"));
 
-  return 0;
+  return test_readlink (readlink, true);
 }