Mandoline: Rename components/view_manager to components/mus

components/view_manager/gesture_manager_unittest.cc

Index: components/view_manager/gesture_manager_unittest.cc
diff --git a/components/view_manager/gesture_manager_unittest.cc b/components/view_manager/gesture_manager_unittest.cc
deleted file mode 100644
index feece3137c93999060c28d2fb6487c4cd88c01e5..0000000000000000000000000000000000000000
--- a/components/view_manager/gesture_manager_unittest.cc
+++ /dev/null
@@ -1,468 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/view_manager/gesture_manager.h"
-
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "components/view_manager/gesture_manager_delegate.h"
-#include "components/view_manager/public/cpp/keys.h"
-#include "components/view_manager/server_view.h"
-#include "components/view_manager/test_server_view_delegate.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/mojo/events/input_events.mojom.h"
-
-namespace view_manager {
-namespace {
-
-const uint32_t kInvalidGestureId = GestureManager::kInvalidGestureId;
-
-void MarkAsRespondsToTouch(ServerView* view) {
-  std::vector<uint8_t> empty_vector;
-  view->SetProperty(mojo::kViewManagerKeyWantsTouchEvents, &empty_vector);
-}
-
-std::set<uint32_t> SetWith(uint32_t v1) {
-  std::set<uint32_t> result;
-  result.insert(v1);
-  return result;
-}
-
-std::set<uint32_t> SetWith(uint32_t v1, uint32_t v2) {
-  std::set<uint32_t> result;
-  result.insert(v1);
-  result.insert(v2);
-  return result;
-}
-
-std::set<uint32_t> SetWith(uint32_t v1, uint32_t v2, uint32_t v3) {
-  std::set<uint32_t> result;
-  result.insert(v1);
-  result.insert(v2);
-  result.insert(v3);
-  return result;
-}
-
-std::string EventTypeToString(mojo::EventType event_type) {
-  switch (event_type) {
-    case mojo::EVENT_TYPE_POINTER_CANCEL:
-      return "cancel";
-    case mojo::EVENT_TYPE_POINTER_DOWN:
-      return "down";
-    case mojo::EVENT_TYPE_POINTER_MOVE:
-      return "move";
-    case mojo::EVENT_TYPE_POINTER_UP:
-      return "up";
-    default:
-      break;
-  }
-  return std::string("unexpected event");
-}
-
-mojo::EventPtr CreateEvent(mojo::EventType type,
-                           int32_t pointer_id,
-                           int x,
-                           int y) {
-  mojo::EventPtr event(mojo::Event::New());
-  event->action = type;
-  event->pointer_data = mojo::PointerData::New();
-  event->pointer_data->pointer_id = pointer_id;
-  event->pointer_data->x = x;
-  event->pointer_data->y = y;
-  return event.Pass();
-}
-
-struct CompareViewByConnectionId {
-  bool operator()(const ServerView* a, const ServerView* b) {
-    return a->id().connection_id < b->id().connection_id;
-  }
-};
-
-std::string IDsToString(const std::set<uint32_t>& ids) {
-  std::string result;
-  for (uint32_t id : ids) {
-    if (!result.empty())
-      result += ",";
-    result += base::UintToString(id);
-  }
-  return result;
-}
-
-std::string GestureStateChangeToString(const ServerView* view,
-                                       const GestureStateChange& change) {
-  std::string result =
-      "connection=" + base::IntToString(view->id().connection_id);
-  if (change.chosen_gesture != GestureManager::kInvalidGestureId)
-    result += " chosen=" + base::UintToString(change.chosen_gesture);
-  if (!change.canceled_gestures.empty())
-    result += " canceled=" + IDsToString(change.canceled_gestures);
-  return result;
-}
-
-}  // namespace
-
-class TestGestureManagerDelegate : public GestureManagerDelegate {
- public:
-  TestGestureManagerDelegate() {}
-  ~TestGestureManagerDelegate() override {}
-
-  std::string GetAndClearDescriptions() {
-    const std::string result(base::JoinString(descriptions_, "\n"));
-    descriptions_.clear();
-    return result;
-  }
-
-  std::vector<std::string>& descriptions() { return descriptions_; }
-
-  void AppendDescriptionsFromResults(const ChangeMap& change_map) {
-    std::set<const ServerView*, CompareViewByConnectionId> views_by_id;
-    for (const auto& pair : change_map)
-      views_by_id.insert(pair.first);
-
-    for (auto* view : views_by_id) {
-      descriptions_.push_back(
-          GestureStateChangeToString(view, change_map.find(view)->second));
-    }
-  }
-
-  // GestureManagerDelegate:
-  void ProcessEvent(const ServerView* view,
-                    mojo::EventPtr event,
-                    bool has_chosen_gesture) override {
-    descriptions_.push_back(
-        EventTypeToString(event->action) + " pointer=" +
-        base::IntToString(event->pointer_data->pointer_id) + " connection=" +
-        base::UintToString(view->id().connection_id) + " chosen=" +
-        (has_chosen_gesture ? "true" : "false"));
-  }
-
- private:
-  std::vector<std::string> descriptions_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestGestureManagerDelegate);
-};
-
-class GestureManagerTest : public testing::Test {
- public:
-  GestureManagerTest()
-      : root_(&view_delegate_, ViewId(1, 1)),
-        child_(&view_delegate_, ViewId(2, 2)),
-        gesture_manager_(&gesture_delegate_, &root_) {
-    view_delegate_.set_root_view(&root_);
-    root_.SetVisible(true);
-    MarkAsRespondsToTouch(&root_);
-    root_.SetBounds(gfx::Rect(0, 0, 100, 100));
-  }
-  ~GestureManagerTest() override {}
-
-  void SetGestures(const ServerView* view,
-                   int32_t pointer_id,
-                   uint32_t chosen_gesture_id,
-                   const std::set<uint32_t>& possible_gesture_ids,
-                   const std::set<uint32_t>& canceled_ids) {
-    scoped_ptr<ChangeMap> result(
-        gesture_manager_.SetGestures(view, pointer_id, chosen_gesture_id,
-                                     possible_gesture_ids, canceled_ids));
-    gesture_delegate_.AppendDescriptionsFromResults(*result);
-  }
-
-  void AddChildView() {
-    MarkAsRespondsToTouch(&child_);
-    child_.SetVisible(true);
-    root_.Add(&child_);
-    child_.SetBounds(gfx::Rect(0, 0, 100, 100));
-  }
-
- protected:
-  TestServerViewDelegate view_delegate_;
-  ServerView root_;
-  ServerView child_;
-  TestGestureManagerDelegate gesture_delegate_;
-  GestureManager gesture_manager_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(GestureManagerTest);
-};
-
-TEST_F(GestureManagerTest, SingleViewAndSingleGesture) {
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Choose this pointer.
-  SetGestures(&root_, pointer_id, 10u, SetWith(10u), std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=10",
-            gesture_delegate_.GetAndClearDescriptions());
-}
-
-TEST_F(GestureManagerTest, SingleViewAndTwoGestures) {
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-
-  // Delegate should have got nothing.
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Cancel 10, 5 should become active.
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              SetWith(10u));
-
-  EXPECT_EQ("connection=1 chosen=5 canceled=10",
-            gesture_delegate_.GetAndClearDescriptions());
-}
-
-TEST_F(GestureManagerTest, TwoViewsSingleGesture) {
-  AddChildView();
-
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  // Deepest child should be queried first.
-  EXPECT_EQ("down pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond from the first view, which triggers the second to be queried.
-  SetGestures(&child_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond with 5,10 for the second view. Should get nothing.
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Cancel 10 in the child.
-  SetGestures(&child_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              SetWith(10u));
-  EXPECT_EQ("connection=2 canceled=10",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Choose 5 in the root. This should choose 5 in the root and cancel 5 in
-  // the child.
-  SetGestures(&root_, pointer_id, 5u, SetWith(5u, 10u), SetWith(10u));
-  ASSERT_EQ(2u, gesture_delegate_.descriptions().size());
-  EXPECT_EQ("connection=1 chosen=5 canceled=10",
-            gesture_delegate_.descriptions()[0]);
-  EXPECT_EQ("connection=2 canceled=5", gesture_delegate_.descriptions()[1]);
-}
-
-TEST_F(GestureManagerTest, TwoViewsWaitForMoveToChoose) {
-  AddChildView();
-
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  // Deepest child should be queried first.
-  EXPECT_EQ("down pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Send a move. The move should not be processed as GestureManager is
-  // still waiting for responses.
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_MOVE, pointer_id, 6, 6));
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond from the first view, which triggers the second to be queried.
-  SetGestures(&child_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond with 1,2 for the second view.
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(1u, 2u),
-              std::set<uint32_t>());
-  // Now that we've responded to the down requests we should get a move for the
-  // child.
-  EXPECT_EQ("move pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond for the child, root should now get move.
-  SetGestures(&child_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-  EXPECT_EQ("move pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond with nothing chosen for the root. Nothing should come in as no
-  // pending moves.
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(1u, 2u),
-              std::set<uint32_t>());
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Send another move event and respond with a chosen id.
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_MOVE, pointer_id, 7, 7));
-  EXPECT_EQ("move pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-  SetGestures(&child_, pointer_id, 5u, SetWith(5u, 10u), std::set<uint32_t>());
-  ASSERT_EQ(3u, gesture_delegate_.descriptions().size());
-  // Now that a gesture is chosen the move event is generated.
-  EXPECT_EQ("move pointer=1 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[0]);
-  EXPECT_EQ("connection=1 canceled=1,2", gesture_delegate_.descriptions()[1]);
-  EXPECT_EQ("connection=2 chosen=5 canceled=10",
-            gesture_delegate_.descriptions()[2]);
-}
-
-TEST_F(GestureManagerTest, SingleViewNewPointerAfterChoose) {
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Choose 5.
-  SetGestures(&root_, pointer_id, 5u, SetWith(5u, 10u), std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=5 canceled=10",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Start another down event with a different pointer.
-  const int32_t pointer_id2 = 2;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id2, 5, 5));
-  EXPECT_EQ("down pointer=2 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // For the new pointer supply the id of a gesture that has been chosen.
-  // Even though we didn't explicitly supply 5 as chosen, 5 is chosen because
-  // it's already in the chosen state for pointer 1.
-  SetGestures(&root_, pointer_id2, kInvalidGestureId, SetWith(5u, 11u),
-              std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=5 canceled=11",
-            gesture_delegate_.GetAndClearDescriptions());
-}
-
-TEST_F(GestureManagerTest, SingleViewChoosingConflictingGestures) {
-  // For pointer1 choose 1 with 1,2,3 as possibilities.
-  const int32_t pointer1 = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer1, 5, 5));
-  gesture_delegate_.GetAndClearDescriptions();
-  SetGestures(&root_, pointer1, 1u, SetWith(1u, 2u, 3u), std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=1 canceled=2,3",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // For pointer2 choose 11 with 11,12 as possibilities.
-  const int32_t pointer2 = 2;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer2, 5, 5));
-  gesture_delegate_.GetAndClearDescriptions();
-  SetGestures(&root_, pointer2, 11u, SetWith(11u, 12u), std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=11 canceled=12",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // For pointer3 choose 21 with 1,11,21 as possibilties.
-  const int32_t pointer3 = 3;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer3, 5, 5));
-  gesture_delegate_.GetAndClearDescriptions();
-  SetGestures(&root_, pointer3, 21u, SetWith(1u, 11u, 21u),
-              std::set<uint32_t>());
-  EXPECT_EQ("connection=1 chosen=21 canceled=1,11",
-            gesture_delegate_.GetAndClearDescriptions());
-}
-
-TEST_F(GestureManagerTest,
-       TwoViewsRespondingWithChosenGestureSendsRemainingEvents) {
-  AddChildView();
-
-  // Start two pointer downs, don't respond to either.
-  const int32_t pointer1 = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer1, 5, 5));
-  EXPECT_EQ("down pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  const int32_t pointer2 = 2;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer2, 5, 5));
-  EXPECT_EQ("down pointer=2 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Queue up a move event for pointer1. The event should not be forwarded
-  // as we're still waiting.
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_MOVE, pointer1, 5, 5));
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond with 1,2 for pointer1 (nothing chosen yet).
-  SetGestures(&child_, pointer1, kInvalidGestureId, SetWith(1u, 2u),
-              std::set<uint32_t>());
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond with 1,2 and choose 1 for pointer2. This results in the following:
-  // down for pointer 1 (because we chose a gesture in common with pointer1),
-  // move for pointer 1 in both connections (because a gesture was chosen queued
-  // up events are sent), down for pointer2 for the root and finally
-  // notification of what was chosen.
-  SetGestures(&child_, pointer2, 1u, SetWith(1u, 2u), std::set<uint32_t>());
-  ASSERT_EQ(5u, gesture_delegate_.descriptions().size());
-  EXPECT_EQ("down pointer=1 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[0]);
-  EXPECT_EQ("move pointer=1 connection=2 chosen=true",
-            gesture_delegate_.descriptions()[1]);
-  EXPECT_EQ("move pointer=1 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[2]);
-  EXPECT_EQ("down pointer=2 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[3]);
-  EXPECT_EQ("connection=2 chosen=1 canceled=2",
-            gesture_delegate_.descriptions()[4]);
-}
-
-TEST_F(GestureManagerTest, TwoViewsSingleGestureUp) {
-  AddChildView();
-
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  // Deepest child should be queried first.
-  EXPECT_EQ("down pointer=1 connection=2 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Send an up, shouldn't result in anything.
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_UP, pointer_id, 5, 5));
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond from the first view, with a chosen gesture.
-  SetGestures(&child_, pointer_id, 5u, SetWith(5u, 10u), std::set<uint32_t>());
-  ASSERT_EQ(4u, gesture_delegate_.descriptions().size());
-  EXPECT_EQ("down pointer=1 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[0]);
-  EXPECT_EQ("up pointer=1 connection=2 chosen=true",
-            gesture_delegate_.descriptions()[1]);
-  EXPECT_EQ("up pointer=1 connection=1 chosen=true",
-            gesture_delegate_.descriptions()[2]);
-  EXPECT_EQ("connection=2 chosen=5 canceled=10",
-            gesture_delegate_.descriptions()[3]);
-}
-
-TEST_F(GestureManagerTest, SingleViewSingleGestureCancel) {
-  const int32_t pointer_id = 1;
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_DOWN, pointer_id, 5, 5));
-  EXPECT_EQ("down pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-
-  // Send a cancel, shouldn't result in anything.
-  gesture_manager_.ProcessEvent(
-      *CreateEvent(mojo::EVENT_TYPE_POINTER_CANCEL, pointer_id, 5, 5));
-  EXPECT_EQ(std::string(), gesture_delegate_.GetAndClearDescriptions());
-
-  // Respond from the first view, with no gesture, should unblock cancel.
-  SetGestures(&root_, pointer_id, kInvalidGestureId, SetWith(5u, 10u),
-              std::set<uint32_t>());
-  EXPECT_EQ("cancel pointer=1 connection=1 chosen=false",
-            gesture_delegate_.GetAndClearDescriptions());
-}
-
-}  // namespace view_manager