Added tng_util_num_frames_with_data_of_block_id_get()

The function already existed in the tng_io.c, but has now
been exposed through the API. Basic code for testing it was
added as well.

Version bumped to 1.7.0

Change-Id: Ia276ce3c7c9225f5d0d07eb6e3cd4cea6b882d24

1 files changed, 9 insertions, 1 deletions

diff --git a/src/tests/tng_io_testing.c b/src/tests/tng_io_testing.c
index 7f778c0..c606217 100644
--- a/src/tests/tng_io_testing.c
+++ b/src/tests/tng_io_testing.c
@@ -1035,7 +1035,7 @@ tng_function_status tng_test_get_positions_data(tng_trajectory_t traj,
 tng_function_status tng_test_utility_functions(tng_trajectory_t traj, const char hash_mode)
 {
     tng_function_status stat;
-    int64_t n_particles, i, j, k, codec_id;
+    int64_t n_particles, i, j, k, codec_id, n_frames, n_frames_per_frame_set;
     int64_t n_frames_to_read=30, stride_len, next_frame, n_blocks, *block_ids = 0;
     double time, multiplier;
     float *positions = 0;
@@ -1057,6 +1057,14 @@ tng_function_status tng_test_utility_functions(tng_trajectory_t traj, const char
         return(stat);
     }
 
+    tng_num_frames_per_frame_set_get(traj, &n_frames_per_frame_set);
+
+    stat = tng_util_num_frames_with_data_of_block_id_get(traj, TNG_TRAJ_POSITIONS, &n_frames);
+    if(stat != TNG_SUCCESS || n_frames != n_frames_per_frame_set * N_FRAME_SETS)
+    {
+        return(stat);
+    }
+
     tng_num_particles_get(traj, &n_particles);
 
     stat = tng_util_pos_read_range(traj, 1, n_frames_to_read, &positions, &stride_len);