373 std::shared_ptr<TestAccessibilityBridge> bridge =
374 std::make_shared<TestAccessibilityBridge>();
377 int32_t intermediary1_id = 1;
378 int32_t intermediary2_id = 2;
379 int32_t leaf1_id = 3;
380 int32_t leaf2_id = 4;
381 int32_t leaf3_id = 5;
383 std::vector<int32_t> root_children{intermediary1_id, intermediary2_id};
384 std::vector<int32_t> intermediary1_children{leaf1_id};
385 std::vector<int32_t> intermediary2_children{leaf2_id, leaf3_id};
386 FlutterSemanticsNode2 root =
389 intermediary1_id,
"intermediary 1", &intermediary1_children);
391 intermediary2_id,
"intermediary 2", &intermediary2_children);
396 bridge->AddFlutterSemanticsNodeUpdate(root);
397 bridge->AddFlutterSemanticsNodeUpdate(intermediary1);
398 bridge->AddFlutterSemanticsNodeUpdate(intermediary2);
399 bridge->AddFlutterSemanticsNodeUpdate(leaf1);
400 bridge->AddFlutterSemanticsNodeUpdate(leaf2);
401 bridge->AddFlutterSemanticsNodeUpdate(leaf3);
402 bridge->CommitUpdates();
403 bridge->accessibility_events.clear();
406 int32_t new_intermediary1_children[] = {leaf2_id, leaf3_id};
407 intermediary1.child_count = 2;
408 intermediary1.children_in_traversal_order = new_intermediary1_children;
410 int32_t new_intermediary2_children[] = {leaf1_id};
411 intermediary2.child_count = 1;
412 intermediary2.children_in_traversal_order = new_intermediary2_children;
414 bridge->AddFlutterSemanticsNodeUpdate(intermediary1);
415 bridge->AddFlutterSemanticsNodeUpdate(intermediary2);
416 bridge->AddFlutterSemanticsNodeUpdate(leaf1);
417 bridge->AddFlutterSemanticsNodeUpdate(leaf2);
418 bridge->AddFlutterSemanticsNodeUpdate(leaf3);
419 bridge->CommitUpdates();
421 auto root_node = bridge->GetFlutterPlatformNodeDelegateFromID(root_id).lock();
422 auto intermediary1_node =
423 bridge->GetFlutterPlatformNodeDelegateFromID(intermediary1_id).lock();
424 auto intermediary2_node =
425 bridge->GetFlutterPlatformNodeDelegateFromID(intermediary2_id).lock();
427 bridge->GetFlutterPlatformNodeDelegateFromID(leaf1_id).lock();
429 bridge->GetFlutterPlatformNodeDelegateFromID(leaf2_id).lock();
431 bridge->GetFlutterPlatformNodeDelegateFromID(leaf3_id).lock();
433 EXPECT_EQ(root_node->GetChildCount(), 2);
434 EXPECT_EQ(root_node->GetData().child_ids[0], intermediary1_id);
435 EXPECT_EQ(root_node->GetData().child_ids[1], intermediary2_id);
436 EXPECT_EQ(root_node->GetName(),
"root");
438 EXPECT_EQ(intermediary1_node->GetChildCount(), 2);
439 EXPECT_EQ(intermediary1_node->GetData().child_ids[0], leaf2_id);
440 EXPECT_EQ(intermediary1_node->GetData().child_ids[1], leaf3_id);
441 EXPECT_EQ(intermediary1_node->GetName(),
"intermediary 1");
443 EXPECT_EQ(intermediary2_node->GetChildCount(), 1);
444 EXPECT_EQ(intermediary2_node->GetData().child_ids[0], leaf1_id);
445 EXPECT_EQ(intermediary2_node->GetName(),
"intermediary 2");
447 EXPECT_EQ(leaf1_node->GetChildCount(), 0);
448 EXPECT_EQ(leaf1_node->GetName(),
"leaf 1");
450 EXPECT_EQ(leaf2_node->GetChildCount(), 0);
451 EXPECT_EQ(leaf2_node->GetName(),
"leaf 2");
453 EXPECT_EQ(leaf3_node->GetChildCount(), 0);
454 EXPECT_EQ(leaf3_node->GetName(),
"leaf 3");
458 ASSERT_EQ(bridge->accessibility_events.size(),
size_t{5});
459 EXPECT_THAT(bridge->accessibility_events,
460 Contains(ui::AXEventGenerator::Event::CHILDREN_CHANGED).Times(2));
461 EXPECT_THAT(bridge->accessibility_events,
462 Contains(ui::AXEventGenerator::Event::SUBTREE_CREATED).Times(3));