diff --git a/test/completion/xz.exp b/test/completion/xz.exp
new file mode 100644
index 00000000..92a6a170
--- /dev/null
+++ b/test/completion/xz.exp
@@ -0,0 +1 @@
+assert_source_completions xz
diff --git a/test/lib/completions/xz.exp b/test/lib/completions/xz.exp
new file mode 100644
index 00000000..474ab24d
--- /dev/null
+++ b/test/lib/completions/xz.exp
@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}; # setup()
+
+
+proc teardown {} {
+    assert_env_unmodified
+}; # teardown()
+
+
+setup
+
+
+assert_complete_any "xz "
+
+
+sync_after_int
+
+
+teardown