summaryrefslogtreecommitdiffhomepage
path: root/test/syscalls/linux/mknod.cc
diff options
context:
space:
mode:
Diffstat (limited to 'test/syscalls/linux/mknod.cc')
-rw-r--r--test/syscalls/linux/mknod.cc105
1 files changed, 50 insertions, 55 deletions
diff --git a/test/syscalls/linux/mknod.cc b/test/syscalls/linux/mknod.cc
index b1675b9c7..febf2eb14 100644
--- a/test/syscalls/linux/mknod.cc
+++ b/test/syscalls/linux/mknod.cc
@@ -21,6 +21,7 @@
#include <vector>
#include "gtest/gtest.h"
+#include "test/util/file_descriptor.h"
#include "test/util/temp_path.h"
#include "test/util/test_util.h"
#include "test/util/thread_util.h"
@@ -31,20 +32,22 @@ namespace testing {
namespace {
TEST(MknodTest, RegularFile) {
- std::string const node0 = NewTempAbsPathInDir("/tmp");
- std::string const node1 = NewTempAbsPathInDir("/tmp");
- ASSERT_THAT(mknod(node0.c_str(), S_IFREG, 0), SyscallSucceeds());
- ASSERT_THAT(mknod(node1.c_str(), 0, 0), SyscallSucceeds());
+ const std::string node0 = NewTempAbsPath();
+ EXPECT_THAT(mknod(node0.c_str(), S_IFREG, 0), SyscallSucceeds());
+
+ const std::string node1 = NewTempAbsPath();
+ EXPECT_THAT(mknod(node1.c_str(), 0, 0), SyscallSucceeds());
}
TEST(MknodTest, MknodAtRegularFile) {
- std::string const fifo_relpath = NewTempRelPath();
- std::string const fifo = JoinPath("/tmp", fifo_relpath);
- int dirfd;
- ASSERT_THAT(dirfd = open("/tmp", O_RDONLY), SyscallSucceeds());
- ASSERT_THAT(mknodat(dirfd, fifo_relpath.c_str(), S_IFIFO | S_IRUSR, 0),
+ const TempPath dir = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateDir());
+ const std::string fifo_relpath = NewTempRelPath();
+ const std::string fifo = JoinPath(dir.path(), fifo_relpath);
+
+ const FileDescriptor dirfd =
+ ASSERT_NO_ERRNO_AND_VALUE(Open(dir.path().c_str(), O_RDONLY));
+ ASSERT_THAT(mknodat(dirfd.get(), fifo_relpath.c_str(), S_IFIFO | S_IRUSR, 0),
SyscallSucceeds());
- EXPECT_THAT(close(dirfd), SyscallSucceeds());
struct stat st;
ASSERT_THAT(stat(fifo.c_str(), &st), SyscallSucceeds());
@@ -52,33 +55,34 @@ TEST(MknodTest, MknodAtRegularFile) {
}
TEST(MknodTest, MknodOnExistingPathFails) {
- std::string const file = NewTempAbsPathInDir("/tmp");
- std::string const slink = NewTempAbsPathInDir("/tmp");
- int fd;
- ASSERT_THAT(fd = open(file.c_str(), O_CREAT | O_RDWR, S_IRUSR | S_IWUSR),
- SyscallSucceeds());
- EXPECT_THAT(close(fd), SyscallSucceeds());
- ASSERT_THAT(symlink(file.c_str(), slink.c_str()), SyscallSucceeds());
-
- EXPECT_THAT(mknod(file.c_str(), S_IFREG, 0), SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(file.c_str(), S_IFIFO, 0), SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(slink.c_str(), S_IFREG, 0), SyscallFailsWithErrno(EEXIST));
- EXPECT_THAT(mknod(slink.c_str(), S_IFIFO, 0), SyscallFailsWithErrno(EEXIST));
+ const TempPath file = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFile());
+ const TempPath slink = ASSERT_NO_ERRNO_AND_VALUE(
+ TempPath::CreateSymlinkTo(GetAbsoluteTestTmpdir(), file.path()));
+
+ EXPECT_THAT(mknod(file.path().c_str(), S_IFREG, 0),
+ SyscallFailsWithErrno(EEXIST));
+ EXPECT_THAT(mknod(file.path().c_str(), S_IFIFO, 0),
+ SyscallFailsWithErrno(EEXIST));
+ EXPECT_THAT(mknod(slink.path().c_str(), S_IFREG, 0),
+ SyscallFailsWithErrno(EEXIST));
+ EXPECT_THAT(mknod(slink.path().c_str(), S_IFIFO, 0),
+ SyscallFailsWithErrno(EEXIST));
}
TEST(MknodTest, UnimplementedTypesReturnError) {
+ const std::string path = NewTempAbsPath();
+
if (IsRunningOnGvisor()) {
- ASSERT_THAT(mknod("/tmp/a_socket", S_IFSOCK, 0),
+ ASSERT_THAT(mknod(path.c_str(), S_IFSOCK, 0),
SyscallFailsWithErrno(EOPNOTSUPP));
}
// These will fail on linux as well since we don't have CAP_MKNOD.
- ASSERT_THAT(mknod("/tmp/a_chardev", S_IFCHR, 0),
- SyscallFailsWithErrno(EPERM));
- ASSERT_THAT(mknod("/tmp/a_blkdev", S_IFBLK, 0), SyscallFailsWithErrno(EPERM));
+ ASSERT_THAT(mknod(path.c_str(), S_IFCHR, 0), SyscallFailsWithErrno(EPERM));
+ ASSERT_THAT(mknod(path.c_str(), S_IFBLK, 0), SyscallFailsWithErrno(EPERM));
}
TEST(MknodTest, Fifo) {
- std::string const fifo = NewTempAbsPathInDir("/tmp");
+ const std::string fifo = NewTempAbsPath();
ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
SyscallSucceeds());
@@ -91,24 +95,20 @@ TEST(MknodTest, Fifo) {
// Read-end of the pipe.
ScopedThread t([&fifo, &buf, &msg]() {
- int fd;
- ASSERT_THAT(fd = open(fifo.c_str(), O_RDONLY), SyscallSucceeds());
- EXPECT_THAT(read(fd, buf.data(), buf.size()),
+ FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY));
+ EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
SyscallSucceedsWithValue(msg.length()));
EXPECT_EQ(msg, std::string(buf.data()));
- EXPECT_THAT(close(fd), SyscallSucceeds());
});
// Write-end of the pipe.
- int wfd;
- ASSERT_THAT(wfd = open(fifo.c_str(), O_WRONLY), SyscallSucceeds());
- EXPECT_THAT(write(wfd, msg.c_str(), msg.length()),
+ FileDescriptor wfd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY));
+ EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
SyscallSucceedsWithValue(msg.length()));
- EXPECT_THAT(close(wfd), SyscallSucceeds());
}
TEST(MknodTest, FifoOtrunc) {
- std::string const fifo = NewTempAbsPathInDir("/tmp");
+ const std::string fifo = NewTempAbsPath();
ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
SyscallSucceeds());
@@ -120,23 +120,21 @@ TEST(MknodTest, FifoOtrunc) {
std::vector<char> buf(512);
// Read-end of the pipe.
ScopedThread t([&fifo, &buf, &msg]() {
- int fd;
- ASSERT_THAT(fd = open(fifo.c_str(), O_RDONLY), SyscallSucceeds());
- EXPECT_THAT(read(fd, buf.data(), buf.size()),
+ FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY));
+ EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
SyscallSucceedsWithValue(msg.length()));
EXPECT_EQ(msg, std::string(buf.data()));
- EXPECT_THAT(close(fd), SyscallSucceeds());
});
- int wfd;
- ASSERT_THAT(wfd = open(fifo.c_str(), O_TRUNC | O_WRONLY), SyscallSucceeds());
- EXPECT_THAT(write(wfd, msg.c_str(), msg.length()),
+ // Write-end of the pipe.
+ FileDescriptor wfd =
+ ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY | O_TRUNC));
+ EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
SyscallSucceedsWithValue(msg.length()));
- EXPECT_THAT(close(wfd), SyscallSucceeds());
}
TEST(MknodTest, FifoTruncNoOp) {
- std::string const fifo = NewTempAbsPathInDir("/tmp");
+ const std::string fifo = NewTempAbsPath();
ASSERT_THAT(mknod(fifo.c_str(), S_IFIFO | S_IRUSR | S_IWUSR, 0),
SyscallSucceeds());
@@ -150,21 +148,18 @@ TEST(MknodTest, FifoTruncNoOp) {
std::vector<char> buf(512);
// Read-end of the pipe.
ScopedThread t([&fifo, &buf, &msg]() {
- int rfd = 0;
- ASSERT_THAT(rfd = open(fifo.c_str(), O_RDONLY), SyscallSucceeds());
- EXPECT_THAT(ReadFd(rfd, buf.data(), buf.size()),
+ FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_RDONLY));
+ EXPECT_THAT(ReadFd(fd.get(), buf.data(), buf.size()),
SyscallSucceedsWithValue(msg.length()));
EXPECT_EQ(msg, std::string(buf.data()));
- EXPECT_THAT(close(rfd), SyscallSucceeds());
});
- int wfd = 0;
- ASSERT_THAT(wfd = open(fifo.c_str(), O_TRUNC | O_WRONLY), SyscallSucceeds());
- EXPECT_THAT(ftruncate(wfd, 0), SyscallFailsWithErrno(EINVAL));
- EXPECT_THAT(WriteFd(wfd, msg.c_str(), msg.length()),
+ FileDescriptor wfd =
+ ASSERT_NO_ERRNO_AND_VALUE(Open(fifo.c_str(), O_WRONLY | O_TRUNC));
+ EXPECT_THAT(ftruncate(wfd.get(), 0), SyscallFailsWithErrno(EINVAL));
+ EXPECT_THAT(WriteFd(wfd.get(), msg.c_str(), msg.length()),
SyscallSucceedsWithValue(msg.length()));
- EXPECT_THAT(ftruncate(wfd, 0), SyscallFailsWithErrno(EINVAL));
- EXPECT_THAT(close(wfd), SyscallSucceeds());
+ EXPECT_THAT(ftruncate(wfd.get(), 0), SyscallFailsWithErrno(EINVAL));
}
} // namespace
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 12:37:37 +0000