--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2011-09-20  Bruno Haible  <bruno@clisp.org>
 
+	pread tests: EBADF tests.
+	* tests/test-pread.c (main): Add tests for EBADF.
+
 	lseek tests: EBADF tests.
 	* tests/test-lseek.c (main): Add more tests for EBADF.
 

--- a/tests/test-pread.c
+++ b/tests/test-pread.c
@@ -83,5 +83,19 @@
     ASSERT (errno == ESPIPE);
   }
 
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    char byte;
+    errno = 0;
+    ASSERT (pread (-1, &byte, 1, 0) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    char byte;
+    errno = 0;
+    ASSERT (pread (99, &byte, 1, 0) == -1);
+    ASSERT (errno == EBADF);
+  }
+
   return 0;
 }