From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/test/test-data-fd-util.c | 148 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 src/test/test-data-fd-util.c (limited to 'src/test/test-data-fd-util.c') diff --git a/src/test/test-data-fd-util.c b/src/test/test-data-fd-util.c new file mode 100644 index 0000000..432ba14 --- /dev/null +++ b/src/test/test-data-fd-util.c @@ -0,0 +1,148 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include +#include + +#include "data-fd-util.h" +#include "fd-util.h" +#include "memory-util.h" +#include "process-util.h" +#include "tests.h" +#include "random-util.h" + +static void test_acquire_data_fd_one(unsigned flags) { + char wbuffer[196*1024 - 7]; + char rbuffer[sizeof(wbuffer)]; + int fd; + + fd = acquire_data_fd("foo", 3, flags); + assert_se(fd >= 0); + + zero(rbuffer); + assert_se(read(fd, rbuffer, sizeof(rbuffer)) == 3); + assert_se(streq(rbuffer, "foo")); + + fd = safe_close(fd); + + fd = acquire_data_fd("", 0, flags); + assert_se(fd >= 0); + + zero(rbuffer); + assert_se(read(fd, rbuffer, sizeof(rbuffer)) == 0); + assert_se(streq(rbuffer, "")); + + fd = safe_close(fd); + + random_bytes(wbuffer, sizeof(wbuffer)); + + fd = acquire_data_fd(wbuffer, sizeof(wbuffer), flags); + assert_se(fd >= 0); + + zero(rbuffer); + assert_se(read(fd, rbuffer, sizeof(rbuffer)) == sizeof(rbuffer)); + assert_se(memcmp(rbuffer, wbuffer, sizeof(rbuffer)) == 0); + + fd = safe_close(fd); +} + +TEST(acquire_data_fd) { + test_acquire_data_fd_one(0); + test_acquire_data_fd_one(ACQUIRE_NO_DEV_NULL); + test_acquire_data_fd_one(ACQUIRE_NO_MEMFD); + test_acquire_data_fd_one(ACQUIRE_NO_DEV_NULL|ACQUIRE_NO_MEMFD); + test_acquire_data_fd_one(ACQUIRE_NO_PIPE); + test_acquire_data_fd_one(ACQUIRE_NO_DEV_NULL|ACQUIRE_NO_PIPE); + test_acquire_data_fd_one(ACQUIRE_NO_MEMFD|ACQUIRE_NO_PIPE); + test_acquire_data_fd_one(ACQUIRE_NO_DEV_NULL|ACQUIRE_NO_MEMFD|ACQUIRE_NO_PIPE); + test_acquire_data_fd_one(ACQUIRE_NO_DEV_NULL|ACQUIRE_NO_MEMFD|ACQUIRE_NO_PIPE|ACQUIRE_NO_TMPFILE); +} + +static void assert_equal_fd(int fd1, int fd2) { + for (;;) { + uint8_t a[4096], b[4096]; + ssize_t x, y; + + x = read(fd1, a, sizeof(a)); + assert_se(x >= 0); + + y = read(fd2, b, sizeof(b)); + assert_se(y >= 0); + + assert_se(x == y); + + if (x == 0) + break; + + assert_se(memcmp(a, b, x) == 0); + } +} + +TEST(copy_data_fd) { + _cleanup_close_ int fd1 = -1, fd2 = -1; + _cleanup_(close_pairp) int sfd[2] = { -1, -1 }; + _cleanup_(sigkill_waitp) pid_t pid = -1; + int r; + + fd1 = open("/etc/fstab", O_RDONLY|O_CLOEXEC); + if (fd1 >= 0) { + + fd2 = copy_data_fd(fd1); + assert_se(fd2 >= 0); + + assert_se(lseek(fd1, 0, SEEK_SET) == 0); + assert_equal_fd(fd1, fd2); + } + + fd1 = safe_close(fd1); + fd2 = safe_close(fd2); + + fd1 = acquire_data_fd("hallo", 6, 0); + assert_se(fd1 >= 0); + + fd2 = copy_data_fd(fd1); + assert_se(fd2 >= 0); + + safe_close(fd1); + fd1 = acquire_data_fd("hallo", 6, 0); + assert_se(fd1 >= 0); + + assert_equal_fd(fd1, fd2); + + fd1 = safe_close(fd1); + fd2 = safe_close(fd2); + + assert_se(socketpair(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0, sfd) >= 0); + + r = safe_fork("(sd-pipe)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_LOG, &pid); + assert_se(r >= 0); + + if (r == 0) { + /* child */ + + sfd[0] = safe_close(sfd[0]); + + for (uint64_t i = 0; i < 1536*1024 / sizeof(uint64_t); i++) + assert_se(write(sfd[1], &i, sizeof(i)) == sizeof(i)); + + sfd[1] = safe_close(sfd[1]); + + _exit(EXIT_SUCCESS); + } + + sfd[1] = safe_close(sfd[1]); + + fd2 = copy_data_fd(sfd[0]); + assert_se(fd2 >= 0); + + uint64_t j; + for (uint64_t i = 0; i < 1536*1024 / sizeof(uint64_t); i++) { + assert_se(read(fd2, &j, sizeof(j)) == sizeof(j)); + assert_se(i == j); + } + + assert_se(read(fd2, &j, sizeof(j)) == 0); +} + +DEFINE_TEST_MAIN(LOG_DEBUG); -- cgit v1.2.3