test: add new ceph_lseek test

Signed-off-by: Jeff Layton <jlayton@redhat.com>

diff --git a/src/test/libcephfs/test.cc b/src/test/libcephfs/test.cc
index 5bb0c77b2efb336b70758e41f55a2008fa1b7fb5..f8c4b2bdcac75e7317efc9772a2644e22072f311 100644 (file)
--- a/src/test/libcephfs/test.cc
+++ b/src/test/libcephfs/test.cc
@@ -2273,3 +2273,40 @@ 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);
+}