configure.ac: Enable assert(3) by default.

[nmh] / test / folder / test-sortm

diff --git a/test/folder/test-sortm b/test/folder/test-sortm
index e6c73ba..a136faa 100755 (executable)
--- a/test/folder/test-sortm
+++ b/test/folder/test-sortm
@@ -16,6 +16,8 @@ fi
 
 setup_test
 
 
 setup_test
 

+check_exit '-eq 1' sortm -
+

 expected=$MH_TEST_DIR/$$.expected
 actual=$MH_TEST_DIR/$$.actual
 
 expected=$MH_TEST_DIR/$$.expected
 actual=$MH_TEST_DIR/$$.actual