test: new testcase for ceph_ll_readv and ceph_ll_writev

Just copy the PreadvPwritev test and alter accordingly.

Tracker: http://tracker.ceph.com/issues/22948
Signed-off-by: Jeff Layton <jlayton@redhat.com>

diff --git a/src/test/libcephfs/test.cc b/src/test/libcephfs/test.cc
index 30acadb9f7ed0cb7edefeeb7e253dec10e0eadf8..1ccd84a0b877d8b2e555c8ab0f96242018b0f530 100644 (file)
--- a/src/test/libcephfs/test.cc
+++ b/src/test/libcephfs/test.cc
@@ -1081,6 +1081,53 @@ TEST(LibCephFS, PreadvPwritev) {
   ceph_shutdown(cmount);
 }
 
+TEST(LibCephFS, LlreadvLlwritev) {
+  struct ceph_mount_info *cmount;
+  ASSERT_EQ(ceph_create(&cmount, NULL), 0);
+  ASSERT_EQ(ceph_conf_read_file(cmount, NULL), 0);
+  ASSERT_EQ(0, ceph_conf_parse_env(cmount, NULL));
+  ASSERT_EQ(ceph_mount(cmount, NULL), 0);
+
+  int mypid = getpid();
+  char filename[256];
+
+  sprintf(filename, "test_llreadvllwritevfile%u", mypid);
+
+  Inode *root, *file;
+  ASSERT_EQ(ceph_ll_lookup_root(cmount, &root), 0);
+
+  Fh *fh;
+  struct ceph_statx stx;
+  UserPerm *perms = ceph_mount_perms(cmount);
+
+  ASSERT_EQ(ceph_ll_create(cmount, root, filename, 0666,
+                   O_RDWR|O_CREAT|O_TRUNC, &file, &fh, &stx, 0, 0, perms), 0);
+
+  /* Reopen read-only */
+  char out0[] = "hello ";
+  char out1[] = "world\n";
+  struct iovec iov_out[2] = {
+       {out0, sizeof(out0)},
+       {out1, sizeof(out1)},
+  };
+  char in0[sizeof(out0)];
+  char in1[sizeof(out1)];
+  struct iovec iov_in[2] = {
+       {in0, sizeof(in0)},
+       {in1, sizeof(in1)},
+  };
+  ssize_t nwritten = iov_out[0].iov_len + iov_out[1].iov_len;
+  ssize_t nread = iov_in[0].iov_len + iov_in[1].iov_len;
+
+  ASSERT_EQ(ceph_ll_writev(cmount, fh, iov_out, 2, 0), nwritten);
+  ASSERT_EQ(ceph_ll_readv(cmount, fh, iov_in, 2, 0), nread);
+  ASSERT_EQ(0, strncmp((const char*)iov_in[0].iov_base, (const char*)iov_out[0].iov_base, iov_out[0].iov_len));
+  ASSERT_EQ(0, strncmp((const char*)iov_in[1].iov_base, (const char*)iov_out[1].iov_base, iov_out[1].iov_len));
+
+  ceph_ll_close(cmount, fh);
+  ceph_shutdown(cmount);
+}
+
 TEST(LibCephFS, StripeUnitGran) {
   struct ceph_mount_info *cmount;
   ASSERT_EQ(ceph_create(&cmount, NULL), 0);