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bionic tests: migrate gethostname test to unistd_test.cpp from system/extras

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The old tests are implemented in file
    system/extras/tests/bionic/libc/common/test_gethostname.c
Here migrate the test to the tests/unistd_test.cpp file and
add some more checks

Change-Id: Iab1e3da873bb333d1ddefc03108d536933792db2
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
This commit is contained in:
Derek Xue 2014-09-25 11:12:01 +01:00 committed by Elliott Hughes
parent b63600934c
commit d94e7f0f1d
1 changed files with 22 additions and 0 deletions
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22
tests/unistd_test.cpp
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@ -25,6 +25,7 @@
#include <stdint.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <unistd.h>
@ -478,3 +479,24 @@ TEST(unistd, sethostname) {
// all we can do for sethostname(2).
ASSERT_EQ(-1, sethostname("", -1));
}
TEST(unistd, gethostname) {
char hostname[HOST_NAME_MAX + 1];
memset(hostname, 0, sizeof(hostname));
ASSERT_EQ(0, gethostname(hostname, HOST_NAME_MAX));
utsname buf;
ASSERT_EQ(0, uname(&buf));
ASSERT_EQ(0, strncmp(hostname, buf.nodename, SYS_NMLN));
ASSERT_GT(strlen(hostname), 0U);
errno = 0;
ASSERT_EQ(-1, gethostname(hostname, strlen(hostname)));
ASSERT_EQ(ENAMETOOLONG, errno);
errno = 0;
ASSERT_EQ(0, gethostname(hostname, -2));
ASSERT_EQ(0, errno);
GTEST_LOG_(INFO) << "hostname=" << hostname << "\n";
}