ozone/platform/wayland: Add some tests

ui/ozone/platform/wayland/wayland_window_unittest.cc

+// Copyright 2016 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 <wayland-server-core.h>
+#include <xdg-shell-unstable-v5-server-protocol.h>
+
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/ozone/platform/wayland/fake_server.h"
+#include "ui/ozone/platform/wayland/mock_platform_window_delegate.h"
+#include "ui/ozone/platform/wayland/wayland_display.h"
+#include "ui/ozone/platform/wayland/wayland_window.h"
+
+using ::testing::Eq;
+using ::testing::Mock;
+using ::testing::SaveArg;
+using ::testing::StrEq;
+using ::testing::_;
+
+namespace ui {
+
+TEST(WaylandWindowInitializeTest, Initialize) {
+  wl::FakeServer server;
+  ASSERT_TRUE(server.Start());
+  WaylandDisplay display;
+  ASSERT_TRUE(display.Initialize());
+  MockPlatformWindowDelegate delegate;
+  gfx::AcceleratedWidget widget = gfx::kNullAcceleratedWidget;
+  EXPECT_CALL(delegate, OnAcceleratedWidgetAvailable(_, _))
+      .WillOnce(SaveArg<0>(&widget));
+  WaylandWindow window(&delegate, &display, gfx::Rect(0, 0, 800, 600));
+  ASSERT_TRUE(window.Initialize());
+  EXPECT_EQ(widget, window.GetWidget());
+  wl_display_roundtrip(display.display());
+
+  server.Pause();
+
+  EXPECT_TRUE(server.GetObject<wl::MockSurface>(window.GetWidget()));
+  server.Resume();
+}
+
+class WaylandWindowTest : public testing::Test {
+ public:
+  WaylandWindowTest()
+      : window(&delegate, &display, gfx::Rect(0, 0, 800, 600)) {}
+
+  void SetUp() override {
+    ASSERT_TRUE(server.Start());
+    ASSERT_TRUE(display.Initialize());
+    ASSERT_TRUE(window.Initialize());
+    wl_display_roundtrip(display.display());
+
+    server.Pause();
+
+    auto surface = server.GetObject<wl::MockSurface>(window.GetWidget());
+    ASSERT_TRUE(surface);
+    xdg_surface = surface->xdg_surface.get();
+    ASSERT_TRUE(xdg_surface);
+    initialized = true;
+  }
+
+  void TearDown() override {
+    server.Resume();
+    if (initialized)
+      wl_display_roundtrip(display.display());
+  }
+
+  void Sync() {
+    server.Resume();
+    wl_display_roundtrip(display.display());
+    server.Pause();
+  }
+
+ private:
+  wl::FakeServer server;
+  bool initialized = false;
+
+ protected:
+  WaylandDisplay display;
+
+  MockPlatformWindowDelegate delegate;
+  WaylandWindow window;
+
+  wl::MockXdgSurface* xdg_surface;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WaylandWindowTest);
+};
+
+TEST_F(WaylandWindowTest, SetTitle) {
+  EXPECT_CALL(*xdg_surface, SetTitle(StrEq("hello")));
+  window.SetTitle(base::ASCIIToUTF16("hello"));
+}
+
+TEST_F(WaylandWindowTest, Maximize) {
+  EXPECT_CALL(*xdg_surface, SetMaximized());
+  window.Maximize();
+}
+
+TEST_F(WaylandWindowTest, Minimize) {
+  EXPECT_CALL(*xdg_surface, SetMinimized());
+  window.Minimize();
+}
+
+TEST_F(WaylandWindowTest, Restore) {
+  EXPECT_CALL(*xdg_surface, UnsetMaximized());
+  window.Restore();
+}
+
+TEST_F(WaylandWindowTest, ConfigureEvent) {
+  wl_array states;
+  wl_array_init(&states);
+  xdg_surface_send_configure(xdg_surface->resource(), 1000, 1000, &states, 12);
+  xdg_surface_send_configure(xdg_surface->resource(), 1500, 1000, &states, 13);
+
+  // Make sure that the implementation does not call OnBoundsChanged for each
+  // configure event if it receives multiple in a row.
+  EXPECT_CALL(delegate, OnBoundsChanged(_)).Times(0);
+  Sync();
+  Mock::VerifyAndClearExpectations(&delegate);
+
+  EXPECT_CALL(delegate, OnBoundsChanged(Eq(gfx::Rect(0, 0, 1500, 1000))));
+  EXPECT_CALL(*xdg_surface, AckConfigure(13));
+  window.ApplyPendingBounds();
+}
+
+}  // namespace ui