test: Add 1 and update 2 files

test.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -euo pipefail
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+# Check if the binary exists
+DROPSHELL="${SCRIPT_DIR}/output/dropshell"
+if [ ! -f "$DROPSHELL" ]; then
+    echo "Error: dropshell binary not found at $DROPSHELL"
+    echo "Please run ./build.sh first"
+    exit 1
+fi
+
+echo "Testing dropshell binary..."
+
+# Run basic tests
+"$DROPSHELL" hash "$0"
+"$DROPSHELL" help
+
+echo "Tests completed successfully!"