#!/usr/bin/env bash
set -euo pipefail

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
OUT="${ROOT}/outputs"
APP="${OUT}/app"

if [[ ! -x "${APP}" ]]; then
  echo "binary missing; run build first" >&2
  exit 1
fi

tmp="$(mktemp -d)"
trap 'rm -rf "${tmp}"' EXIT

# Trigger overflow-prone copy with large length; expect exit code 0
RUN_OUT="${tmp}/run.out"
"${APP}" "300" > "${RUN_OUT}"

if ! grep -q "result=" "${RUN_OUT}"; then
  echo "expected output missing" >&2
  exit 1
fi

echo "tests passed"