Merge pull request #3105 from NandiniDhanrale:fix/vfs-move-3098

PiperOrigin-RevId: 881946056 Change-Id: Ide041ff1dcdae00133251d928936920b47cf6c0d
2026-03-11 04:53:57 -07:00
parent 6d1c3343af c45f13d3a9
commit 64ee2d041f
4 changed files with 39 additions and 11 deletions
@@ -407,5 +407,29 @@ TEST_F(UserVfsTest, StackedMounts) {
  EXPECT_EQ(test2, expect2);
  EXPECT_EQ(test3, expect3);
 }
+
+TEST_F(UserVfsTest, MoveVfs) {
+  // Create and move a VFS to another address.
+  mjVFS* original = new mjVFS();
+  mj_defaultVFS(original);
+  mjVFS vfs = *original;
+  delete original;
+
+  std::string buffer = "<mujoco/>";
+  mj_addBufferVFS(&vfs, "model", static_cast<const void*>(buffer.c_str()),
+                  buffer.size());
+
+  mjResource* resource = mju_openResource("", "model", &vfs, nullptr, 0);
+  ASSERT_THAT(resource, NotNull());
+
+  const void* out = nullptr;
+  const int size = mju_readResource(resource, &out);
+  EXPECT_GT(size, 0);
+  EXPECT_THAT(out, NotNull());
+
+  mju_closeResource(resource);
+  mj_deleteVFS(&vfs);
+}
+
 }  // namespace
 }  // namespace mujoco