--- /dev/null
+/* Copyright 2020-2021 IGEL Co., Ltd.
+ *
+ * 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 "test-helpers.h"
+#include <check.h>
+
+#include <errno.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+int get_dummy_fd(void)
+{
+ return dup(STDIN_FILENO);
+}
+
+void check_fd_equality(int fd1, int fd2)
+{
+ struct stat s1, s2;
+ ck_assert_int_eq(fstat(fd1, &s1), 0);
+ ck_assert_int_eq(fstat(fd2, &s2), 0);
+ ck_assert_int_eq(s1.st_dev, s2.st_dev);
+ ck_assert_int_eq(s1.st_ino, s2.st_ino);
+}
+
+void check_fd_is_open(int fd)
+{
+ struct stat st;
+ ck_assert_int_eq(fstat(fd, &st), 0);
+}
+
+void check_fd_is_closed(int fd)
+{
+ struct stat st;
+ ck_assert_int_ne(fstat(fd, &st), 0);
+ ck_assert_int_eq(errno, EBADF);
+}
+
+void check_uint_array_eq(const uint32_t *a, const uint32_t *b, int cnt)
+{
+ for (int i = 0; i < cnt; i++) {
+ ck_assert_msg(a[i] == b[i], "Array diff at index %d (%u != %u)",
+ i, a[i], b[i]);
+ }
+}