Beef up fseek tests.

* tests/test-fseek.c (main): Also test eof handling.
* tests/test-fseeko.c (main): Likewise.
Reported by Larry Jones.

Signed-off-by: Eric Blake <ebb9@byu.net>

diff --git a/ChangeLog b/ChangeLog
index f430f7b..b91f640 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2007-12-13  Eric Blake  <ebb9@byu.net>
+
+       Beef up fseek tests.
+       * tests/test-fseek.c (main): Also test eof handling.
+       * tests/test-fseeko.c (main): Likewise.
+       Reported by Larry Jones.
+
 2007-12-13  Larry Jones  <lawrence.jones@siemens.com>  (tiny change)
 
        Fix fseeko on BSD-based platforms.

diff --git a/tests/test-fseek.c b/tests/test-fseek.c
index c2d783f..dde7ea0 100644 (file)
--- a/tests/test-fseek.c
+++ b/tests/test-fseek.c
@@ -25,5 +25,21 @@ main (int argc, char **argv)
 {
   /* Assume stdin is seekable iff argc > 1.  */
   int expected = argc > 1 ? 0 : -1;
-  return fseek (stdin, 0, SEEK_CUR) != expected;
+  if (fseek (stdin, 0, SEEK_CUR) != expected)
+    return 1;
+  if (argc > 1)
+    {
+      /* Test that fseek resets end-of-file marker.  */
+      if (fseek (stdin, 0, SEEK_END))
+        return 1;
+      if (fgetc (stdin) != EOF)
+        return 1;
+      if (!feof (stdin))
+        return 1;
+      if (fseek (stdin, 0, SEEK_END))
+        return 1;
+      if (feof (stdin))
+        return 1;
+    }
+  return 0;
 }

diff --git a/tests/test-fseeko.c b/tests/test-fseeko.c
index bcafeea..3be4f6e 100644 (file)
--- a/tests/test-fseeko.c
+++ b/tests/test-fseeko.c
@@ -31,5 +31,21 @@ main (int argc, char **argv)
   /* Exit with success only if fseek/fseeko agree.  */
   int r1 = fseeko (stdin, (off_t)0, SEEK_CUR);
   int r2 = fseek (stdin, (long)0, SEEK_CUR);
-  return ! (r1 == r2 && r1 == expected);
+  if (r1 != r2 || r1 != expected)
+    return 1;
+  if (argc > 1)
+    {
+      /* Test that fseek resets end-of-file marker.  */
+      if (fseeko (stdin, (off_t) 0, SEEK_END))
+        return 1;
+      if (fgetc (stdin) != EOF)
+        return 1;
+      if (!feof (stdin))
+        return 1;
+      if (fseeko (stdin, (off_t) 0, SEEK_END))
+        return 1;
+      if (feof (stdin))
+        return 1;
+    }
+  return 0;
 }