tests/prio_ctor_test.cpp

/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <gtest/gtest.h>

#include <stdint.h>

static const char* record[4] = {};
static int idx = 0;

__attribute__((constructor(1000))) static void prio1000() {
  record[idx++] = "prio1000";
}

__attribute__((constructor(1))) static void prio1() {
  record[idx++] = "prio1";
}

__attribute__((constructor)) static void noprio() {
  record[idx++] = "noprio";
}

TEST(prio_ctor, order) {
  EXPECT_EQ(idx, 3);
  EXPECT_STREQ(record[0], "prio1");
  EXPECT_STREQ(record[1], "prio1000");
  EXPECT_STREQ(record[2], "noprio");
}