1 files changed, 108 insertions, 0 deletions
diff --git a/chromium/ui/gfx/x/connection_unittest.cc b/chromium/ui/gfx/x/connection_unittest.cc
new file mode 100644
index 00000000000..de2285911a4
--- /dev/null
+++ b/chromium/ui/gfx/x/connection_unittest.cc
@@ -0,0 +1,108 @@
+// Copyright 2020 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 "ui/gfx/x/connection.h"
+#include "ui/gfx/x/xproto.h"
+
+#undef Bool
+
+#include <xcb/xcb.h>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace x11 {
+
+namespace {
+
+Window CreateWindow(Connection* connection) {
+  Window window = connection->GenerateId<Window>();
+  auto create_window_future = connection->CreateWindow({
+      .depth = connection->default_root_depth().depth,
+      .wid = window,
+      .parent = connection->default_screen().root,
+      .width = 1,
+      .height = 1,
+      .override_redirect = Bool32(true),
+  });
+  auto create_window_response = create_window_future.Sync();
+  EXPECT_FALSE(create_window_response.error);
+  return window;
+}
+
+}  // namespace
+
+// Connection setup and teardown.
+TEST(X11ConnectionTest, Basic) {
+  Connection connection;
+  ASSERT_TRUE(connection.XcbConnection());
+  EXPECT_FALSE(xcb_connection_has_error(connection.XcbConnection()));
+}
+
+TEST(X11ConnectionTest, Request) {
+  Connection connection;
+  ASSERT_TRUE(connection.XcbConnection());
+  EXPECT_FALSE(xcb_connection_has_error(connection.XcbConnection()));
+
+  Window window = CreateWindow(&connection);
+
+  auto attributes = connection.GetWindowAttributes({window}).Sync();
+  ASSERT_TRUE(attributes);
+  EXPECT_EQ(attributes->map_state, MapState::Unmapped);
+  EXPECT_TRUE(attributes->override_redirect);
+
+  auto geometry = connection.GetGeometry({window}).Sync();
+  ASSERT_TRUE(geometry);
+  EXPECT_EQ(geometry->x, 0);
+  EXPECT_EQ(geometry->y, 0);
+  EXPECT_EQ(geometry->width, 1u);
+  EXPECT_EQ(geometry->height, 1u);
+}
+
+TEST(X11ConnectionTest, Event) {
+  Connection connection;
+  ASSERT_TRUE(connection.XcbConnection());
+  EXPECT_FALSE(xcb_connection_has_error(connection.XcbConnection()));
+
+  Window window = CreateWindow(&connection);
+
+  auto cwa_future = connection.ChangeWindowAttributes({
+      .window = window,
+      .event_mask = EventMask::PropertyChange,
+  });
+  EXPECT_FALSE(cwa_future.Sync().error);
+
+  auto prop_future = connection.ChangeProperty({
+      .window = static_cast<x11::Window>(window),
+      .property = x11::Atom::WM_NAME,
+      .type = x11::Atom::STRING,
+      .format = CHAR_BIT,
+      .data_len = 1,
+      .data = std::vector<uint8_t>{0},
+  });
+  EXPECT_FALSE(prop_future.Sync().error);
+
+  connection.ReadResponses();
+  ASSERT_EQ(connection.events().size(), 1u);
+  XEvent& event = connection.events().front().xlib_event();
+  auto property_notify_opcode = PropertyNotifyEvent::opcode;
+  EXPECT_EQ(event.type, property_notify_opcode);
+  EXPECT_EQ(event.xproperty.atom, static_cast<uint32_t>(x11::Atom::WM_NAME));
+  EXPECT_EQ(event.xproperty.state, static_cast<int>(Property::NewValue));
+}
+
+TEST(X11ConnectionTest, Error) {
+  Connection connection;
+  ASSERT_TRUE(connection.XcbConnection());
+  EXPECT_FALSE(xcb_connection_has_error(connection.XcbConnection()));
+
+  Window invalid_window = connection.GenerateId<Window>();
+
+  auto geometry = connection.GetGeometry({invalid_window}).Sync();
+  ASSERT_FALSE(geometry);
+  xcb_generic_error_t* error = geometry.error.get();
+  EXPECT_EQ(error->error_code, XCB_DRAWABLE);
+  EXPECT_EQ(error->resource_id, static_cast<uint32_t>(invalid_window));
+}
+
+}  // namespace x11