diff options
Diffstat (limited to 'test/syscalls')
| -rw-r--r-- | test/syscalls/linux/uname.cc | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/test/syscalls/linux/uname.cc b/test/syscalls/linux/uname.cc index 0a5d91017..d8824b171 100644 --- a/test/syscalls/linux/uname.cc +++ b/test/syscalls/linux/uname.cc @@ -41,6 +41,19 @@ TEST(UnameTest, Sanity) { TEST(UnameTest, SetNames) { SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_SYS_ADMIN))); + char hostname[65]; + ASSERT_THAT(sethostname("0123456789", 3), SyscallSucceeds()); + EXPECT_THAT(gethostname(hostname, sizeof(hostname)), SyscallSucceeds()); + EXPECT_EQ(absl::string_view(hostname), "012"); + + ASSERT_THAT(sethostname("0123456789\0xxx", 11), SyscallSucceeds()); + EXPECT_THAT(gethostname(hostname, sizeof(hostname)), SyscallSucceeds()); + EXPECT_EQ(absl::string_view(hostname), "0123456789"); + + ASSERT_THAT(sethostname("0123456789\0xxx", 12), SyscallSucceeds()); + EXPECT_THAT(gethostname(hostname, sizeof(hostname)), SyscallSucceeds()); + EXPECT_EQ(absl::string_view(hostname), "0123456789"); + constexpr char kHostname[] = "wubbalubba"; ASSERT_THAT(sethostname(kHostname, sizeof(kHostname)), SyscallSucceeds()); @@ -54,7 +67,6 @@ TEST(UnameTest, SetNames) { EXPECT_EQ(absl::string_view(buf.domainname), kDomainname); // These should just be glibc wrappers that also call uname(2). - char hostname[65]; EXPECT_THAT(gethostname(hostname, sizeof(hostname)), SyscallSucceeds()); EXPECT_EQ(absl::string_view(hostname), kHostname); |