1 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/curves_geometry_test.cc b/source/blender/blenkernel/intern/curves_geometry_test.cc
new file mode 100644
index 00000000000..3a43c0c8102
--- /dev/null
+++ b/source/blender/blenkernel/intern/curves_geometry_test.cc
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup bke
+ */
+
+#include "BKE_curves.hh"
+
+#include "testing/testing.h"
+
+namespace blender::bke::tests {
+
+static CurvesGeometry create_basic_curves(const int points_size, const int curves_size)
+{
+  CurvesGeometry curves(points_size, curves_size);
+
+  const int curve_length = points_size / curves_size;
+  for (const int i : curves.curves_range()) {
+    curves.offsets()[i] = points_size * curve_length;
+  }
+  curves.offsets().last() = points_size;
+
+  for (const int i : curves.points_range()) {
+    curves.positions()[i] = {float(i), float(i % curve_length), 0.0f};
+  }
+
+  return curves;
+}
+
+TEST(curves_geometry, Empty)
+{
+  CurvesGeometry empty(0, 0);
+  empty.cyclic();
+  float3 min;
+  float3 max;
+  EXPECT_FALSE(empty.bounds_min_max(min, max));
+}
+
+TEST(curves_geometry, Move)
+{
+  CurvesGeometry curves = create_basic_curves(100, 10);
+
+  const int *offsets_data = curves.offsets().data();
+  const float3 *positions_data = curves.positions().data();
+
+  CurvesGeometry other = std::move(curves);
+
+  /* The old curves should be empty, and the offsets are expected to be null. */
+  EXPECT_EQ(curves.points_size(), 0);       /* NOLINT: bugprone-use-after-move */
+  EXPECT_EQ(curves.curve_offsets, nullptr); /* NOLINT: bugprone-use-after-move */
+
+  /* Just a basic check that the new curves work okay. */
+  float3 min;
+  float3 max;
+  EXPECT_TRUE(other.bounds_min_max(min, max));
+
+  curves = std::move(other);
+
+  CurvesGeometry second_other(std::move(curves));
+
+  /* The data should not have been reallocated ever. */
+  EXPECT_EQ(second_other.positions().data(), positions_data);
+  EXPECT_EQ(second_other.offsets().data(), offsets_data);
+}
+
+}  // namespace blender::bke::tests