other: add quick test for building clap app (#834)

1 files changed, 10 insertions, 0 deletions

diff --git a/src/clap.rs b/src/clap.rs
index c667088a..a882d932 100644
--- a/src/clap.rs
+++ b/src/clap.rs
@@ -404,3 +404,13 @@ use CPU (3) as the default instead.
         app
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn verify_cli() {
+        build_app().debug_assert();
+    }
+}