Tests: extend OBJ test coverage for #126065

source/blender/io/wavefront_obj/tests/obj_importer_tests.cc

@@ -853,6 +853,36 @@ TEST_F(OBJImportTest, import_cubes_vertex_colors_mrgb)
   import_and_check("cubes_vertex_colors_mrgb.obj", expect, std::size(expect), 0);
 }
 
+TEST_F(OBJImportTest, import_vertex_colors_non_contiguous)
+{
+  Expectation expect[] = {
+      {"OBCube", OB_MESH, 8, 12, 6, 24, float3(1, 1, -1), float3(-1, 1, 1)},
+      {"OBNoColor",
+       OB_MESH,
+       3,
+       3,
+       1,
+       3,
+       float3(0, 0, 1),
+       float3(1, 0, 1),
+       float3(0, 0, 0),
+       float2(0, 0),
+       float4(-1, -1, -1, -1)},
+      {"OBRed",
+       OB_MESH,
+       3,
+       3,
+       1,
+       3,
+       float3(0, 0, 0),
+       float3(1, 0, 0),
+       float3(0, 0, 0),
+       float2(0, 0),
+       float4(1, 0, 0, 1)},
+  };
+  import_and_check("vertex_colors_non_contiguous.obj", expect, std::size(expect), 0);
+}
+
 TEST_F(OBJImportTest, import_vertices)
 {
   Expectation expect[] = {