modules/_Exit-tests: test _Noreturn too

* tests/test-_Exit.c (MTA, Charlie): New functions, taken from the
old tests/test-stdnoreturn.c.  This tests the _Noreturn keyword a bit.
(main): Use them.

diff --git a/ChangeLog b/ChangeLog
index 551943d3f5fa4e630b5fabb0d25e97a7b0cda6c0..84e49fda66cd6d941dce3f464913db87e4375bf2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2011-07-12  Paul Eggert  <eggert@cs.ucla.edu>
 
+       modules/_Exit-tests: test _Noreturn too
+       * tests/test-_Exit.c (MTA, Charlie): New functions, taken from the
+       old tests/test-stdnoreturn.c.  This tests the _Noreturn keyword a bit.
+       (main): Use them.
+
        stdnoreturn, stdnoreturn-tests: remove modules
        They're not needed here and a bit premature for use elsewhere.  See
        <http://lists.gnu.org/archive/html/bug-gnulib/2011-07/msg00209.html>.

diff --git a/tests/test-_Exit.c b/tests/test-_Exit.c
index 7502153273d308d4c6ba6996f482e8b5b82e78dd..bc00730460c44afbbefdf9918756aa4d8903bf59 100644 (file)
--- a/tests/test-_Exit.c
+++ b/tests/test-_Exit.c
@@ -20,8 +20,26 @@
 
 #include <stdlib.h>
 
+/* But did he ever return?  No he never returned,
+   And his fate is still unlearned ... */
+static _Noreturn void MTA (int);
+
+static _Noreturn void
+Charlie (int n)
+{
+  MTA (n - 1);
+}
+
+static void
+MTA (int n)
+{
+  if (n < 0)
+    _Exit (81);
+  Charlie (n - 1);
+}
+
 int
-main ()
+main (int argc, char **argv)
 {
-  _Exit (81);
+  MTA (argc + !!argv);
 }