diff --git a/tests/t8010-listaddons.sh b/tests/t8010-listaddons.sh
new file mode 100755
index 0000000..2c1dc17
--- /dev/null
+++ b/tests/t8010-listaddons.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+test_description='listaddons functionality
+
+This test checks listing of custom actions.
+'
+. ./test-lib.sh
+
+unset TODO_ACTIONS_DIR
+mkdir .todo.actions.d
+make_action()
+{
+	cat > ".todo.actions.d/$1" <<- EOF
+	#!/bin/bash
+	echo "custom action $1"
+EOF
+chmod +x ".todo.actions.d/$1"
+}
+
+test_todo_session 'no custom actions' <<EOF
+>>> todo.sh listaddons
+EOF
+
+make_action "foo"
+test_todo_session 'one custom action' <<EOF
+>>> todo.sh listaddons
+foo
+EOF
+
+make_action "bar"
+make_action "ls"
+make_action "quux"
+test_todo_session 'multiple custom actions' <<EOF
+>>> todo.sh listaddons
+bar
+foo
+ls
+quux
+EOF
+
+chmod -x .todo.actions.d/foo
+# On Cygwin, clearing the executable flag may have no effect, as the Windows ACL
+# may still grant execution rights. In this case, we skip the test.
+if [ -x .todo.actions.d/foo ]; then
+    SKIP_TESTS="${SKIP_TESTS}${SKIP_TESTS+ }t8010.4"
+fi
+test_todo_session 'nonexecutable action' <<EOF
+>>> todo.sh listaddons
+bar
+ls
+quux
+EOF
+
+test_done