More tests for 'fseeko'.

* tests/test-fseeko3.c: New file, from Eric Blake.
* tests/test-fseeko3.sh: New file.
* modules/fseeko-tests (Files): Add them.
(TESTS): Add test-fseeko3.sh.
(check_PROGRAMS): Add test-fseeko3.

4 files changed, 71 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 993ec0c160..701f07b536 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-08-09  Bruno Haible  <bruno@clisp.org>
+
+	More tests for 'fseeko'.
+	* tests/test-fseeko3.c: New file, from Eric Blake.
+	* tests/test-fseeko3.sh: New file.
+	* modules/fseeko-tests (Files): Add them.
+	(TESTS): Add test-fseeko3.sh.
+	(check_PROGRAMS): Add test-fseeko3.
+
 2011-08-09  Eric Blake  <eblake@redhat.com>
 
 	fseeko: remove unneeded hack
diff --git a/modules/fseeko-tests b/modules/fseeko-tests
index 178e873182..d292abb64e 100644
--- a/modules/fseeko-tests
+++ b/modules/fseeko-tests
@@ -2,6 +2,8 @@ Files:
 tests/test-fseeko.c
 tests/test-fseeko.sh
 tests/test-fseeko2.sh
+tests/test-fseeko3.c
+tests/test-fseeko3.sh
 tests/signature.h
 tests/macros.h
 m4/ungetc.m4
@@ -12,5 +14,5 @@ configure.ac:
 gl_FUNC_UNGETC_WORKS
 
 Makefile.am:
-TESTS += test-fseeko.sh test-fseeko2.sh
-check_PROGRAMS += test-fseeko
+TESTS += test-fseeko.sh test-fseeko2.sh test-fseeko3.sh
+check_PROGRAMS += test-fseeko test-fseeko3
diff --git a/tests/test-fseeko3.c b/tests/test-fseeko3.c
new file mode 100644
index 0000000000..41f2233d00
--- /dev/null
+++ b/tests/test-fseeko3.c
@@ -0,0 +1,51 @@
+/* Test of fseeko() function.
+   Copyright (C) 2011 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake <eblake@redhat.com>, 2011.  */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <stdlib.h>
+
+#include "macros.h"
+
+int
+main (int argc, char **argv)
+{
+  int do_initial_ftell = atoi (argv[1]);
+  const char *filename = argv[2];
+  FILE *fp = fopen (filename, "r");
+  ASSERT (fp != NULL);
+
+  if (do_initial_ftell)
+    {
+      off_t pos = ftell (fp);
+      ASSERT (pos == 0);
+    }
+
+  ASSERT (fseeko (fp, 0, SEEK_END) == 0);
+
+  {
+    off_t pos = ftell (fp);
+    ASSERT (pos > 0);
+  }
+
+  ASSERT (fclose (fp) == 0);
+
+  return 0;
+}
diff --git a/tests/test-fseeko3.sh b/tests/test-fseeko3.sh
new file mode 100755
index 0000000000..c50b4a2258
--- /dev/null
+++ b/tests/test-fseeko3.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+./test-fseeko3${EXEEXT} 0 "$srcdir/test-fseeko3.sh" || exit 1
+
+./test-fseeko3${EXEEXT} 1 "$srcdir/test-fseeko3.sh" || exit 1
+
+exit 0