[patch] tst-nice.c

[Amos Waterland]

I don't know if there is any interest in regression tests, but if so,
here is one for the nice() return value problem fixed on 2002-03-02 by
Thorsten Kukuk.


2003-03-18  Amos Waterland  <apw@us.ibm.com>

        * posix/tst-nice.c: New file.
        * posix/Makefile (tests): Add tst-nice.

--- /dev/null	2002-08-30 18:31:37.000000000 -0500
+++ tst-nice.c	2003-03-18 18:45:38.000000000 -0600
@@ -0,0 +1,49 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+  int result = 0;
+
+  /* Test that nice() does not return 0 on positive argument.  */
+  {
+    int r;
+    const int incr = 10;
+
+    errno = 0;
+    r = nice (incr);
+
+    printf ("nice(%d) returned: %d\n", incr, r);
+
+    if (r != incr)
+      {
+	printf ("fail: return value (%d) of nice(%d) != %d\n", r, incr, incr);
+	++result;
+      }
+  }
+
+  return result;
+}
+
+#include "../test-skeleton.c"
--- Makefile	2003-03-18 18:50:05.000000000 -0600
+++ Makefile.apw	2003-03-18 18:27:31.000000000 -0600
@@ -75,7 +75,7 @@
 		   tst-chmod bug-regex1 bug-regex2 bug-regex3 bug-regex4 \
 		   tst-gnuglob tst-regex bug-regex5 bug-regex6 bug-regex7 \
 		   bug-regex8 bug-regex9 bug-regex10 bug-regex11 bug-regex12 \
-		   bug-regex13 bug-regex14 bug-regex15 bug-regex16
+		   bug-regex13 bug-regex14 bug-regex15 bug-regex16 tst-nice
 ifeq (yes,$(build-shared))
 test-srcs	:= globtest
 tests           += wordexp-test tst-exec tst-spawn