From 9e72bef4803e942d25600492d8f376547706ba51 Mon Sep 17 00:00:00 2001
From: proddy <paul@derbyshire.nl>
Date: Sun, 28 Apr 2024 14:38:01 +0200
Subject: [PATCH] show help text for add command

---
 src/test/test.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/test/test.cpp b/src/test/test.cpp
index f24fae67c..aadb7d35f 100644
--- a/src/test/test.cpp
+++ b/src/test/test.cpp
@@ -299,9 +299,14 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 
     bool ok = false;
 
+    // e.g. "test add 0x10 172"
     if (command == "add") {
+        if (id1 == -1 || id2 == -1) {
+            shell.printfln("Usage: test add <device_id> <product_id>");
+            return;
+        }
         shell.printfln("Testing Adding a device (product_id %d), with all values...", id2);
-        test("add", id1, id2); // e.g. "test add 0x8 172"
+        test("add", id1, id2);
         shell.invoke_command("show values");
         ok = true;
     }