1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <errno.h>
20 #include <stdio.h>
21
TEST(libc,__pstore_append)22 TEST(libc, __pstore_append) {
23 #ifdef __ANDROID__
24 FILE* fp;
25 ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "a")));
26 static const char message[] = "libc.__pstore_append\n";
27 ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp));
28 int fflushReturn = fflush(fp);
29 int fflushErrno = fflushReturn ? errno : 0;
30 ASSERT_EQ(0, fflushReturn);
31 ASSERT_EQ(0, fflushErrno);
32 int fcloseReturn = fclose(fp);
33 int fcloseErrno = fcloseReturn ? errno : 0;
34 ASSERT_EQ(0, fcloseReturn);
35 ASSERT_EQ(0, fcloseErrno);
36 if ((fcloseErrno == ENOMEM) || (fflushErrno == ENOMEM)) {
37 fprintf(stderr,
38 "Kernel does not have space allocated to pmsg pstore driver "
39 "configured\n");
40 }
41 if (!fcloseReturn && !fcloseErrno && !fflushReturn && !fflushReturn) {
42 fprintf(stderr,
43 "Reboot, ensure string libc.__pstore_append is in "
44 "/sys/fs/pstore/pmsg-ramoops-0\n");
45 }
46 #else
47 GTEST_LOG_(INFO) << "This test does nothing.\n";
48 #endif
49 }
50