65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
|
|
* Copyright (C) 2012 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.
|
|
*/
|
|
|
|
#undef _GNU_SOURCE
|
|
#include <features.h> // Get __BIONIC__ or __GLIBC__ so we can tell what we're using.
|
|
|
|
#if defined(__GLIBC__)
|
|
|
|
// At the time of writing, libcxx -- which is dragged in by gtest -- assumes
|
|
// declarations from glibc of things that aren't available without _GNU_SOURCE.
|
|
// This means we can't even build this test (which is a problem because that
|
|
// means it doesn't get included in CTS).
|
|
// For glibc 2.15, the symbols in question are:
|
|
// at_quick_exit, quick_exit, vasprintf, strtoll_l, strtoull_l, and strtold_l.
|
|
|
|
# if __GLIBC_PREREQ(2, 19)
|
|
# error check whether we can build this now...
|
|
# endif
|
|
|
|
#else
|
|
|
|
#include <string.h>
|
|
|
|
#include <errno.h>
|
|
#include <gtest/gtest.h>
|
|
|
|
TEST(string, posix_strerror_r) {
|
|
char buf[256];
|
|
|
|
// Valid.
|
|
ASSERT_EQ(0, strerror_r(0, buf, sizeof(buf)));
|
|
ASSERT_STREQ("Success", buf);
|
|
ASSERT_EQ(0, strerror_r(1, buf, sizeof(buf)));
|
|
ASSERT_STREQ("Operation not permitted", buf);
|
|
|
|
// Invalid.
|
|
ASSERT_EQ(0, strerror_r(-1, buf, sizeof(buf)));
|
|
ASSERT_STREQ("Unknown error -1", buf);
|
|
ASSERT_EQ(0, strerror_r(1234, buf, sizeof(buf)));
|
|
ASSERT_STREQ("Unknown error 1234", buf);
|
|
|
|
// Buffer too small.
|
|
errno = 0;
|
|
memset(buf, 0, sizeof(buf));
|
|
ASSERT_EQ(-1, strerror_r(4567, buf, 2));
|
|
ASSERT_STREQ("U", buf);
|
|
// The POSIX strerror_r sets errno to ERANGE (the GNU one doesn't).
|
|
ASSERT_EQ(ERANGE, errno);
|
|
}
|
|
|
|
#endif
|