test: add new ceph_lseek test

Signed-off-by: Jeff Layton <jlayton@redhat.com>
(cherry picked from commit 339b09dc5921f81621f76faa55c56c31c16d4937)

diff --git a/src/test/libcephfs/test.cc b/src/test/libcephfs/test.cc
index 0b7a967df4d360406240a1b6253649ffad3fde10..ac10976b9801c1b70fba33f1e1861ee8ca6f0d61 100644 (file)
--- a/src/test/libcephfs/test.cc
+++ b/src/test/libcephfs/test.cc
@@ -2288,3 +2288,40 @@ TEST(LibCephFS, SnapXattrs) {
 
   ceph_shutdown(cmount);
 }
+
+TEST(LibCephFS, Lseek) {
+  struct ceph_mount_info *cmount;
+  ASSERT_EQ(0, ceph_create(&cmount, NULL));
+  ASSERT_EQ(0, ceph_conf_read_file(cmount, NULL));
+  ASSERT_EQ(0, ceph_conf_parse_env(cmount, NULL));
+  ASSERT_EQ(0, ceph_mount(cmount, "/"));
+
+  char c_path[1024];
+  sprintf(c_path, "test_lseek_%d", getpid());
+  int fd = ceph_open(cmount, c_path, O_RDWR|O_CREAT|O_TRUNC, 0666);
+  ASSERT_LT(0, fd);
+
+  const char *out_buf = "hello world";
+  size_t size = strlen(out_buf);
+  ASSERT_EQ(ceph_write(cmount, fd, out_buf, size, 0), (int)size);
+
+  /* basic SEEK_SET/END/CUR tests */
+  ASSERT_EQ(0, ceph_lseek(cmount, fd, 0, SEEK_SET));
+  ASSERT_EQ(size, ceph_lseek(cmount, fd, 0, SEEK_END));
+  ASSERT_EQ(0, ceph_lseek(cmount, fd, -size, SEEK_CUR));
+
+  /* Test basic functionality and out of bounds conditions for SEEK_HOLE/DATA */
+#ifdef SEEK_HOLE
+  ASSERT_EQ(size, ceph_lseek(cmount, fd, 0, SEEK_HOLE));
+  ASSERT_EQ(-ENXIO, ceph_lseek(cmount, fd, -1, SEEK_HOLE));
+  ASSERT_EQ(-ENXIO, ceph_lseek(cmount, fd, size + 1, SEEK_HOLE));
+#endif
+#ifdef SEEK_DATA
+  ASSERT_EQ(0, ceph_lseek(cmount, fd, 0, SEEK_DATA));
+  ASSERT_EQ(-ENXIO, ceph_lseek(cmount, fd, -1, SEEK_DATA));
+  ASSERT_EQ(-ENXIO, ceph_lseek(cmount, fd, size + 1, SEEK_DATA));
+#endif
+
+  ASSERT_EQ(0, ceph_close(cmount, fd));
+  ceph_shutdown(cmount);
+}