/*
 * Copyright (C) 2023 Carlos Maniero
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
#define MUNIT_ENABLE_ASSERT_ALIASES
#include "ast.h"
#include "munit.h"
#include "scope.h"

static MunitResult
test_scope(const MunitParameter params[], void *user_data_or_fixture)
{
  ast_node_t first_id_node_1;
  ast_node_t first_id_node_2;
  ast_node_t second_id_node;

  ast_identifier_t first_id = { .name = string_view_from_str("first") };
  ast_identifier_t second_id = { .name = string_view_from_str("second") };

  scope_t *scope = scope_new();

  assert_null(scope_get(scope, &first_id));
  assert_null(scope_get(scope, &second_id));

  scope_push(scope, &first_id, &first_id_node_1);
  scope_push(scope, &second_id, &second_id_node);

  assert_ptr_equal((void *)scope_get(scope, &first_id), (void *)&first_id_node_1);
  assert_ptr_equal((void *)scope_get(scope, &second_id), (void *)&second_id_node);

  scope_enter(scope);

  scope_push(scope, &first_id, &first_id_node_2);
  assert_ptr_equal((void *)scope_get(scope, &first_id), (void *)&first_id_node_2);
  assert_ptr_equal((void *)scope_get(scope, &second_id), (void *)&second_id_node);

  scope_leave(scope);

  assert_ptr_equal((void *)scope_get(scope, &first_id), (void *)&first_id_node_1);

  scope_destroy(scope);

  return MUNIT_OK;
}

static MunitTest tests[] = { { "/test_scope", test_scope, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL },
                             { NULL, NULL, NULL, NULL, MUNIT_TEST_OPTION_NONE, NULL } };

static const MunitSuite suite = { "/scope_test", tests, NULL, 1, MUNIT_SUITE_OPTION_NONE };

int
main(int argc, char *argv[])
{
  return munit_suite_main(&suite, NULL, argc, argv);
  return EXIT_SUCCESS;
}