#!/bin/sh
set -eu
test_dir=$(mktemp -d)
trap 'rm -rf "$test_dir"' EXIT HUP INT TERM
for source in \
  'let _ = let%continue rec x = f in x' \
  'let _ = let%continue x = f and y = g in x' \
  'let _ = [%continue 42]'
do
  printf '%s\n' "$source" > "$test_dir/invalid.ml"
  if "${OCAMLC:-ocamlc}" -ppx ./continuum_ppx -c "$test_dir/invalid.ml" 2> "$test_dir/error"; then
    echo "Unexpected success: $source" >&2
    exit 1
  fi
  grep -q 'continuum_ppx: expected' "$test_dir/error"
done
echo 'continuum_ppx: invalid syntax checks passed'