wm: Make WM_MOVE_PANEL use top-right coordinates.

src/platform/window_manager/window_manager_test.cc

 // Copyright (c) 2009 The Chromium OS 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 <algorithm>
 #include <cstdarg>
 
 #include <gflags/gflags.h>
 #include <gtest/gtest.h>
 
@@ skipping 654 matching lines @@
   reparent_event->type = ReparentNotify;
   reparent_event->window = xid2;
   reparent_event->parent = 324324;  // arbitrary number
   EXPECT_TRUE(wm_->HandleEvent(&event));
 
   // The properties should be unset.
   TestIntArrayProperty(root_xid, list_atom, 0);
   TestIntArrayProperty(root_xid, stacking_atom, 0);
 }
 
+TEST_F(WindowManagerTest, WmIpcVersion) {
+  // We should assume version 0 if we haven't received a message from Chrome.
+  EXPECT_EQ(0, wm_->wm_ipc_version());
+
+  // Now send the WM a message telling it that Chrome is using version 3.
+  // We use WmIpc to generate the XEvent for us and then pass it to
+  // WindowManager::HandleEvent().
+  MockXConnection::WindowInfo* info = xconn_->GetWindowInfoOrDie(wm_->wm_xid());
+  EXPECT_TRUE(info->client_messages.empty());
+  WmIpc::Message msg(WmIpc::Message::WM_NOTIFY_IPC_VERSION);
+  msg.set_param(0, 3);
+  ASSERT_TRUE(wm_->wm_ipc()->SendMessage(wm_->wm_xid(), msg));
+  ASSERT_EQ(static_cast<size_t>(1), info->client_messages.size());
+  XEvent event;
+  event.xclient = info->client_messages[0];
+  EXPECT_TRUE(wm_->HandleEvent(&event));
+  EXPECT_EQ(3, wm_->wm_ipc_version());
+}
+
 }  // namespace window_manager
 
 int main(int argc, char **argv) {
   return window_manager::InitAndRunTests(&argc, argv, &FLAGS_logtostderr);
 }