Armature test: properly initialize bone hierarchy

Fix segfault in `BKE_armature_find_selected_bones_test` by property
initializing the bone hierarchy listbases.

No functional changes to Blender.

1 files changed, 8 insertions, 4 deletions

diff --git a/source/blender/blenkernel/intern/armature_test.cc b/source/blender/blenkernel/intern/armature_test.cc
index 0ad2b58f5d9..47853deec3e 100644
--- a/source/blender/blenkernel/intern/armature_test.cc
+++ b/source/blender/blenkernel/intern/armature_test.cc
@@ -171,10 +171,14 @@ class BKE_armature_find_selected_bones_test : public testing::Test {
     strcpy(bone2.name, "bone2");
     strcpy(bone3.name, "bone3");
 
-    arm.bonebase = {NULL, NULL};
-    BLI_addtail(&arm.bonebase, &bone1);
-    BLI_addtail(&arm.bonebase, &bone2);
-    BLI_addtail(&arm.bonebase, &bone3);
+    arm.bonebase = {nullptr, nullptr};
+    bone1.childbase = {nullptr, nullptr};
+    bone2.childbase = {nullptr, nullptr};
+    bone3.childbase = {nullptr, nullptr};
+
+    BLI_addtail(&arm.bonebase, &bone1);     // bone1 is root bone
+    BLI_addtail(&arm.bonebase, &bone2);     // bone2 is root bone
+    BLI_addtail(&bone2.childbase, &bone3);  // bone3 has bone2 as parent
 
     // Make sure the armature & its bones are visible, to make them selectable.
     arm.layer = bone1.layer = bone2.layer = bone3.layer = 1;