144     WidgetTree tree("tree");  in TEST()  local
145     tree.ConstructFromDom(dom, false);  in TEST()
149     tree.DfsTraverse(visitor);  in TEST()
167     WidgetTree tree("tree");  in TEST()  local
168     tree.ConstructFromDom(dom, false);  in TEST()
170     tree.DfsTraverse(visitor);  in TEST()
181     WidgetTree tree("tree");  in TEST()  local
182     tree.ConstructFromDom(dom, false);  in TEST()
184     tree.DfsTraverse(visitor);  in TEST()
186     auto rootPtr = tree.GetRootWidget();  in TEST()
188     ASSERT_EQ(nullptr, tree.GetParentWidget(*rootPtr)) << "Root node should have no parent";  in TEST()
191     auto child1Ptr = tree.GetChildWidget(*rootPtr, 1);  in TEST()
195     ASSERT_TRUE(tree.GetChildWidget(*rootPtr, 2) == nullptr) << "Unexpected child not";  in TEST()
201     WidgetTree tree("tree");  in TEST()  local
202     tree.ConstructFromDom(dom, false);  in TEST()
204     auto rootPtr = tree.GetRootWidget();  in TEST()
206     ASSERT_EQ(nullptr, tree.GetParentWidget(*rootPtr)) << "Root node should have no parent";  in TEST()
208     auto child0Ptr = tree.GetChildWidget(*rootPtr, 0);  in TEST()
212     tree.DfsTraverseDescendants(attrVisitor, *child0Ptr);  in TEST()
220     WidgetTree tree("tree");  in TEST()  local
221     tree.ConstructFromDom(dom, false);  in TEST()
223     auto rootPtr = tree.GetRootWidget();  in TEST()
225     ASSERT_EQ(nullptr, tree.GetParentWidget(*rootPtr)) << "Root node should have no parent";  in TEST()
227     auto child1Ptr = tree.GetChildWidget(*rootPtr, 1);  in TEST()
231     tree.DfsTraverseFronts(attrVisitor, *child1Ptr);  in TEST()
239     WidgetTree tree("tree");  in TEST()  local
240     tree.ConstructFromDom(dom, false);  in TEST()
242     auto rootPtr = tree.GetRootWidget();  in TEST()
244     ASSERT_EQ(nullptr, tree.GetParentWidget(*rootPtr)) << "Root node should have no parent";  in TEST()
246     auto child0Ptr = tree.GetChildWidget(*rootPtr, 0);  in TEST()
250     tree.DfsTraverseRears(attrVisitor, *child0Ptr);  in TEST()
281     WidgetTree tree("tree");  in TEST()  local
282     tree.ConstructFromDom(dom, true); // enable bounds amending  in TEST()
284     tree.DfsTraverse(attrVisitor);  in TEST()
288     tree.DfsTraverse(boundsVisitor);  in TEST()
306     WidgetTree tree("tree");  in TEST()  local
307     tree.ConstructFromDom(dom, false);  in TEST()
309     tree.MarshalIntoDom(dom1);  in TEST()
316     WidgetTree tree("");  in CheckMergedTree()  local
323     WidgetTree::MergeTrees(subTrees, tree);  in CheckMergedTree()
327             tree.DfsTraverse(visitor);  in CheckMergedTree()
336             tree.DfsTraverse(visitor);  in CheckMergedTree()