tests: shuf: ensure we handle unsupported getrandom syscall gracefully

* tests/shuf/shuf.sh: Check we fail normally or succeed where
the getrandom syscall is not available.
https://github.com/coreutils/coreutils/pull/205

diff --git a/tests/shuf/shuf.sh b/tests/shuf/shuf.sh
index 662d1a5f2addbf34a4cde8abca495cc06571dd77..6a1833b1f55c2ad9c2c402156d92b60790b565ec 100755 (executable)
--- a/tests/shuf/shuf.sh
+++ b/tests/shuf/shuf.sh
@@ -19,6 +19,12 @@
 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
 print_ver_ shuf
 getlimits_
+uses_strace_
+
+# Ensure we handle unsupported getrandom syscall gracefully
+strace -o /dev/null -e inject=getrandom:error=ENOSYS shuf -i 1-9
+ret=$?
+test $? = 0 || test $? = 1 || fail=1
 
 # ensure randomization doesn't depend solely on ASLR
 # This is a probabilistic test :-)