add tests for mkostemps()

Signed-off-by: Romain Naour <romain.naour@openwide.fr>

test/misc/tst-mkostemps.c

@@ -0,0 +1,159 @@
+/*
+ * Test application for mkstemp/mkstemps/mkostemp/mkostemps
+ * Copyright (C) 2015 by Romain Naour <romain.naour@openwide.fr>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#define assert(x) \
+  if (!(x)) \
+    { \
+      fputs ("test failed: " #x "\n", stderr); \
+      retval = 1; \
+      goto the_end; \
+    }
+
+int
+main (int argc, char *argv[])
+{
+  char name[256];
+  char name_suffix[256];
+  FILE *fp = NULL;
+  int retval = 0;
+  int fd;
+  int flags = O_RDONLY | O_CLOEXEC;
+  struct stat sb_f1;
+  struct stat sb_f2;
+
+  /* mkstemp test */
+  sprintf(name, "%s-uClibc-test.XXXXXX", __FILE__);
+
+  fd = mkstemp(name);
+
+  fstat(fd, &sb_f1);
+  assert ((sb_f1.st_mode & S_IFMT) == S_IFREG)
+
+  stat(name, &sb_f2);
+  assert ((sb_f2.st_mode & S_IFMT) == S_IFREG)
+
+  assert (sb_f1.st_ino == sb_f2.st_ino)
+
+  close(fd);
+  unlink (name);
+
+  /* mkstemps test */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXXX.txt", __FILE__);
+
+  fd = mkstemps(name_suffix, 4);
+
+  fstat(fd, &sb_f1);
+  assert ((sb_f1.st_mode & S_IFMT) == S_IFREG)
+
+  stat(name_suffix, &sb_f2);
+  assert ((sb_f2.st_mode & S_IFMT) == S_IFREG)
+
+  assert (sb_f1.st_ino == sb_f2.st_ino)
+
+  close(fd);
+  unlink (name_suffix);
+
+  /* mkostemp test */
+  sprintf(name, "%s-uClibc-test.XXXXXX", __FILE__);
+
+  fd = mkostemp(name, flags);
+
+  fstat(fd, &sb_f1);
+  assert ((sb_f1.st_mode & S_IFMT) == S_IFREG)
+
+  stat(name, &sb_f2);
+  assert ((sb_f2.st_mode & S_IFMT) == S_IFREG)
+
+  assert (sb_f1.st_ino == sb_f2.st_ino)
+  assert (sb_f1.st_mode == sb_f2.st_mode)
+
+  close(fd);
+  unlink (name);
+
+  /* mkostemps test */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXXX.txt", __FILE__);
+
+  fd = mkostemps(name_suffix, 4, flags);
+
+  fstat(fd, &sb_f1);
+  assert ((sb_f1.st_mode & S_IFMT) == S_IFREG)
+
+  stat(name, &sb_f2);
+  assert ((sb_f2.st_mode & S_IFMT) == S_IFREG)
+
+  assert (sb_f1.st_ino == sb_f2.st_ino)
+  assert (sb_f1.st_mode == sb_f2.st_mode)
+
+  close(fd);
+  unlink (name_suffix);
+
+  /* suffixlen = 0 */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXXX", __FILE__);
+
+  fd = mkostemps(name_suffix, 0, flags);
+
+  fstat(fd, &sb_f1);
+  assert ((sb_f1.st_mode & S_IFMT) == S_IFREG)
+
+  stat(name, &sb_f2);
+  assert ((sb_f2.st_mode & S_IFMT) == S_IFREG)
+
+  assert (sb_f1.st_ino == sb_f2.st_ino)
+  assert (sb_f1.st_mode == sb_f2.st_mode)
+
+  close(fd);
+  unlink (name_suffix);
+
+  /* stress tests */
+
+  /* template len < 6 */
+  sprintf(name, "XXXXX");
+
+  fd = mkstemp(name);
+
+  assert(fd == -1);
+  assert(errno == EINVAL);
+
+  /* suffixlen < 0 */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXXX.txt", __FILE__);
+
+  fd = mkostemps(name_suffix, -1, flags);
+
+  assert(fd == -1);
+  assert(errno == EINVAL);
+
+  /* Missing one X */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXX.txt", __FILE__);
+
+  fd = mkostemps(name_suffix, 4, flags);
+
+  assert(fd == -1);
+  assert(errno == EINVAL);
+
+  /* wrong suffixlen */
+  sprintf(name_suffix, "%s-uClibc-test.XXXXXX.txt", __FILE__);
+
+  fd = mkostemps(name_suffix, 2, flags);
+
+  assert(fd == -1);
+  assert(errno == EINVAL);
+
+the_end:
+  if (fp != NULL)
+    assert (fclose (fp) == 0);
+  unlink (name);
+  unlink (name_suffix);
+
+  return retval;
+}