Tracking: Cover markers access with basic tests

Just a beginning of tests coverage, related on the planned upcoming
development.

2 files changed, 65 insertions, 0 deletions

diff --git a/source/blender/blenkernel/CMakeLists.txt b/source/blender/blenkernel/CMakeLists.txt
index 40b2d62baac..c89a45b2a43 100644
--- a/source/blender/blenkernel/CMakeLists.txt
+++ b/source/blender/blenkernel/CMakeLists.txt
@@ -720,6 +720,7 @@ if(WITH_GTESTS)
     intern/armature_test.cc
     intern/fcurve_test.cc
     intern/lattice_deform_test.cc
+    intern/tracking_test.cc
   )
   set(TEST_INC
     ../editors/include
diff --git a/source/blender/blenkernel/intern/tracking_test.cc b/source/blender/blenkernel/intern/tracking_test.cc
new file mode 100644
index 00000000000..6afcf6872eb
--- /dev/null
+++ b/source/blender/blenkernel/intern/tracking_test.cc
@@ -0,0 +1,64 @@
+/* Apache License, Version 2.0 */
+
+#include "testing/testing.h"
+
+#include "DNA_tracking_types.h"
+
+#include "BKE_tracking.h"
+
+namespace {
+
+class TrackingTest : public ::testing::Test {
+ protected:
+  MovieTrackingMarker *addMarkerToTrack(MovieTrackingTrack *track, int frame_number)
+  {
+    MovieTrackingMarker marker = {{0.0f}};
+    marker.framenr = frame_number;
+    return BKE_tracking_marker_insert(track, &marker);
+  }
+};
+
+}  // namespace
+
+TEST_F(TrackingTest, BKE_tracking_marker_get)
+{
+  MovieTrackingTrack track = {nullptr};
+
+  addMarkerToTrack(&track, 1);
+  addMarkerToTrack(&track, 10);
+
+  {
+    const MovieTrackingMarker *marker = BKE_tracking_marker_get(&track, 1);
+    EXPECT_NE(marker, nullptr);
+    EXPECT_EQ(marker->framenr, 1);
+  }
+
+  {
+    const MovieTrackingMarker *marker = BKE_tracking_marker_get(&track, 5);
+    EXPECT_NE(marker, nullptr);
+    EXPECT_EQ(marker->framenr, 1);
+  }
+
+  BKE_tracking_track_free(&track);
+}
+
+TEST_F(TrackingTest, BKE_tracking_marker_get_exact)
+{
+  MovieTrackingTrack track = {nullptr};
+
+  addMarkerToTrack(&track, 1);
+  addMarkerToTrack(&track, 10);
+
+  {
+    const MovieTrackingMarker *marker = BKE_tracking_marker_get_exact(&track, 1);
+    EXPECT_NE(marker, nullptr);
+    EXPECT_EQ(marker->framenr, 1);
+  }
+
+  {
+    const MovieTrackingMarker *marker = BKE_tracking_marker_get_exact(&track, 5);
+    EXPECT_EQ(marker, nullptr);
+  }
+
+  BKE_tracking_track_free(&track);
+}