Move mus to //services/ui

components/mus/ws/transient_windows_unittest.cc

Index: components/mus/ws/transient_windows_unittest.cc
diff --git a/components/mus/ws/transient_windows_unittest.cc b/components/mus/ws/transient_windows_unittest.cc
deleted file mode 100644
index b20e40e467f358248bc624e01e6051297c432164..0000000000000000000000000000000000000000
--- a/components/mus/ws/transient_windows_unittest.cc
+++ /dev/null
@@ -1,342 +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 "base/macros.h"
-#include "base/strings/string_number_conversions.h"
-#include "components/mus/ws/server_window.h"
-#include "components/mus/ws/server_window_observer.h"
-#include "components/mus/ws/test_server_window_delegate.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace mus {
-namespace ws {
-
-namespace {
-
-class TestTransientWindowObserver : public ServerWindowObserver {
- public:
-  TestTransientWindowObserver() : add_count_(0), remove_count_(0) {}
-
-  ~TestTransientWindowObserver() override {}
-
-  int add_count() const { return add_count_; }
-  int remove_count() const { return remove_count_; }
-
-  // TransientWindowObserver overrides:
-  void OnTransientWindowAdded(ServerWindow* window,
-                              ServerWindow* transient) override {
-    add_count_++;
-  }
-  void OnTransientWindowRemoved(ServerWindow* window,
-                                ServerWindow* transient) override {
-    remove_count_++;
-  }
-
- private:
-  int add_count_;
-  int remove_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestTransientWindowObserver);
-};
-
-ServerWindow* CreateTestWindow(TestServerWindowDelegate* delegate,
-                               const WindowId& window_id,
-                               ServerWindow* parent) {
-  ServerWindow* window = new ServerWindow(delegate, window_id);
-  window->SetVisible(true);
-  if (parent)
-    parent->Add(window);
-  else
-    delegate->set_root_window(window);
-  return window;
-}
-
-std::string ChildWindowIDsAsString(ServerWindow* parent) {
-  std::string result;
-  for (auto i = parent->children().begin(); i != parent->children().end();
-       ++i) {
-    if (!result.empty())
-      result += " ";
-    result += base::IntToString(WindowIdToTransportId((*i)->id()));
-  }
-  return result;
-}
-
-}  // namespace
-
-class TransientWindowsTest : public testing::Test {
- public:
-  TransientWindowsTest() {}
-  ~TransientWindowsTest() override {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TransientWindowsTest);
-};
-
-TEST_F(TransientWindowsTest, TransientChildren) {
-  TestServerWindowDelegate server_window_delegate;
-
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&server_window_delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> w1(
-      CreateTestWindow(&server_window_delegate, WindowId(1, 1), parent.get()));
-  std::unique_ptr<ServerWindow> w3(
-      CreateTestWindow(&server_window_delegate, WindowId(1, 2), parent.get()));
-
-  ServerWindow* w2 =
-      CreateTestWindow(&server_window_delegate, WindowId(1, 3), parent.get());
-
-  // w2 is now owned by w1.
-  w1->AddTransientWindow(w2);
-  // Stack w1 at the top (end), this should force w2 to be last (on top of w1).
-  parent->StackChildAtTop(w1.get());
-  ASSERT_EQ(3u, parent->children().size());
-  EXPECT_EQ(w2, parent->children().back());
-
-  // Destroy w1, which should also destroy w3 (since it's a transient child).
-  w1.reset();
-  w2 = nullptr;
-  ASSERT_EQ(1u, parent->children().size());
-  EXPECT_EQ(w3.get(), parent->children()[0]);
-}
-
-// Tests that transient children are stacked as a unit when using stack above.
-TEST_F(TransientWindowsTest, TransientChildrenGroupAbove) {
-  TestServerWindowDelegate server_window_delegate;
-
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&server_window_delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> w1(
-      CreateTestWindow(&server_window_delegate, WindowId(0, 1), parent.get()));
-
-  ServerWindow* w11 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 11), parent.get());
-  std::unique_ptr<ServerWindow> w2(
-      CreateTestWindow(&server_window_delegate, WindowId(0, 2), parent.get()));
-
-  ServerWindow* w21 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 21), parent.get());
-  ServerWindow* w211 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 211), parent.get());
-  ServerWindow* w212 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 212), parent.get());
-  ServerWindow* w213 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 213), parent.get());
-  ServerWindow* w22 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 22), parent.get());
-  ASSERT_EQ(8u, parent->children().size());
-
-  // w11 is now owned by w1.
-  w1->AddTransientWindow(w11);
-  // w21 is now owned by w2.
-  w2->AddTransientWindow(w21);
-  // w22 is now owned by w2.
-  w2->AddTransientWindow(w22);
-  // w211 is now owned by w21.
-  w21->AddTransientWindow(w211);
-  // w212 is now owned by w21.
-  w21->AddTransientWindow(w212);
-  // w213 is now owned by w21.
-  w21->AddTransientWindow(w213);
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  // Stack w1 at the top (end), this should force w11 to be last (on top of w1).
-  parent->StackChildAtTop(w1.get());
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
-
-  // This tests that the order in children_ array rather than in
-  // transient_children_ array is used when reinserting transient children.
-  // If transient_children_ array was used '22' would be following '21'.
-  parent->StackChildAtTop(w2.get());
-  EXPECT_EQ(w22, parent->children().back());
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  w11->Reorder(w2.get(), mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
-
-  w21->Reorder(w1.get(), mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w22, parent->children().back());
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  w21->Reorder(w22, mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w213, parent->children().back());
-  EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
-
-  w11->Reorder(w21, mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
-
-  w213->Reorder(w21, mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-
-  // No change when stacking a transient parent above its transient child.
-  w21->Reorder(w211, mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-
-  // This tests that the order in children_ array rather than in
-  // transient_children_ array is used when reinserting transient children.
-  // If transient_children_ array was used '22' would be following '21'.
-  w2->Reorder(w1.get(), mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w212, parent->children().back());
-  EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
-
-  w11->Reorder(w213, mojom::OrderDirection::ABOVE);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-}
-
-TEST_F(TransientWindowsTest, TransienChildGroupBelow) {
-  TestServerWindowDelegate server_window_delegate;
-
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&server_window_delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> w1(
-      CreateTestWindow(&server_window_delegate, WindowId(0, 1), parent.get()));
-
-  ServerWindow* w11 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 11), parent.get());
-  std::unique_ptr<ServerWindow> w2(
-      CreateTestWindow(&server_window_delegate, WindowId(0, 2), parent.get()));
-
-  ServerWindow* w21 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 21), parent.get());
-  ServerWindow* w211 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 211), parent.get());
-  ServerWindow* w212 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 212), parent.get());
-  ServerWindow* w213 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 213), parent.get());
-  ServerWindow* w22 =
-      CreateTestWindow(&server_window_delegate, WindowId(0, 22), parent.get());
-  ASSERT_EQ(8u, parent->children().size());
-
-  // w11 is now owned by w1.
-  w1->AddTransientWindow(w11);
-  // w21 is now owned by w2.
-  w2->AddTransientWindow(w21);
-  // w22 is now owned by w2.
-  w2->AddTransientWindow(w22);
-  // w211 is now owned by w21.
-  w21->AddTransientWindow(w211);
-  // w212 is now owned by w21.
-  w21->AddTransientWindow(w212);
-  // w213 is now owned by w21.
-  w21->AddTransientWindow(w213);
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  // Stack w2 at the bottom, this should force w11 to be last (on top of w1).
-  // This also tests that the order in children_ array rather than in
-  // transient_children_ array is used when reinserting transient children.
-  // If transient_children_ array was used '22' would be following '21'.
-  parent->StackChildAtBottom(w2.get());
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
-
-  parent->StackChildAtBottom(w1.get());
-  EXPECT_EQ(w22, parent->children().back());
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  w21->Reorder(w1.get(), mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
-
-  w11->Reorder(w2.get(), mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w22, parent->children().back());
-  EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
-
-  w22->Reorder(w21, mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w213, parent->children().back());
-  EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
-
-  w21->Reorder(w11, mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
-
-  w213->Reorder(w211, mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-
-  // No change when stacking a transient parent below its transient child.
-  w21->Reorder(w211, mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-
-  w1->Reorder(w2.get(), mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w212, parent->children().back());
-  EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
-
-  w213->Reorder(w11, mojom::OrderDirection::BELOW);
-  EXPECT_EQ(w11, parent->children().back());
-  EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
-}
-
-// Tests that transient windows are stacked properly when created.
-TEST_F(TransientWindowsTest, StackUponCreation) {
-  TestServerWindowDelegate delegate;
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> window0(
-      CreateTestWindow(&delegate, WindowId(0, 1), parent.get()));
-  std::unique_ptr<ServerWindow> window1(
-      CreateTestWindow(&delegate, WindowId(0, 2), parent.get()));
-
-  ServerWindow* window2 =
-      CreateTestWindow(&delegate, WindowId(0, 3), parent.get());
-  window0->AddTransientWindow(window2);
-  EXPECT_EQ("1 3 2", ChildWindowIDsAsString(parent.get()));
-}
-
-// Tests that windows are restacked properly after a call to
-// AddTransientWindow() or RemoveTransientWindow().
-TEST_F(TransientWindowsTest, RestackUponAddOrRemoveTransientWindow) {
-  TestServerWindowDelegate delegate;
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> windows[4];
-  for (int i = 0; i < 4; i++)
-    windows[i].reset(CreateTestWindow(&delegate, WindowId(0, i), parent.get()));
-
-  EXPECT_EQ("0 1 2 3", ChildWindowIDsAsString(parent.get()));
-
-  windows[0]->AddTransientWindow(windows[2].get());
-  EXPECT_EQ("0 2 1 3", ChildWindowIDsAsString(parent.get()));
-
-  windows[0]->AddTransientWindow(windows[3].get());
-  EXPECT_EQ("0 2 3 1", ChildWindowIDsAsString(parent.get()));
-
-  windows[0]->RemoveTransientWindow(windows[2].get());
-  EXPECT_EQ("0 3 2 1", ChildWindowIDsAsString(parent.get()));
-
-  windows[0]->RemoveTransientWindow(windows[3].get());
-  EXPECT_EQ("0 3 2 1", ChildWindowIDsAsString(parent.get()));
-}
-
-// Verifies TransientWindowObserver is notified appropriately.
-TEST_F(TransientWindowsTest, TransientWindowObserverNotified) {
-  TestServerWindowDelegate delegate;
-  std::unique_ptr<ServerWindow> parent(
-      CreateTestWindow(&delegate, WindowId(), nullptr));
-  std::unique_ptr<ServerWindow> w1(
-      CreateTestWindow(&delegate, WindowId(0, 1), parent.get()));
-
-  TestTransientWindowObserver test_observer;
-  parent->AddObserver(&test_observer);
-
-  parent->AddTransientWindow(w1.get());
-  EXPECT_EQ(1, test_observer.add_count());
-  EXPECT_EQ(0, test_observer.remove_count());
-
-  parent->RemoveTransientWindow(w1.get());
-  EXPECT_EQ(1, test_observer.add_count());
-  EXPECT_EQ(1, test_observer.remove_count());
-
-  parent->RemoveObserver(&test_observer);
-}
-
-}  // namespace ws
-}  // namespace mus