gtk: Extract event functions into event_utils module.

chrome/browser/ui/gtk/gtk_util_unittest.cc

-// Copyright (c) 2011 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 "gtk_util.h"
-
-#include "base/stringprintf.h"
-#include "ui/base/events.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-static const guint states[] = {
-  GDK_LOCK_MASK,
-  GDK_CONTROL_MASK,
-  GDK_SHIFT_MASK,
-  GDK_MOD1_MASK,
-  GDK_BUTTON1_MASK,
-  GDK_BUTTON2_MASK,
-  GDK_BUTTON3_MASK
-};
-
-static const int flags[] = {
-  ui::EF_CAPS_LOCK_DOWN,
-  ui::EF_CONTROL_DOWN,
-  ui::EF_SHIFT_DOWN,
-  ui::EF_ALT_DOWN,
-  ui::EF_LEFT_MOUSE_BUTTON,
-  ui::EF_MIDDLE_MOUSE_BUTTON,
-  ui::EF_RIGHT_MOUSE_BUTTON
-};
-
-TEST(GTKUtilTest, TestEventFlagsFromGdkState) {
-  ASSERT_EQ(arraysize(states), arraysize(flags));
-
-  const int size = arraysize(states);
-  for (int i = 0; i < size; ++i) {
-    SCOPED_TRACE(base::StringPrintf(
-                   "Checking EventFlagsFromGdkState: i = %d", i));
-    EXPECT_EQ(flags[i], event_utils::EventFlagsFromGdkState(states[i]));
-  }
-
-  for (int i = 0; i < size; ++i) {
-    for (int j = i + 1; j < size; ++j) {
-      SCOPED_TRACE(base::StringPrintf(
-                     "Checking EventFlagsFromGdkState: i = %d, j = %d", i, j));
-      EXPECT_EQ(flags[i] | flags[j],
-                event_utils::EventFlagsFromGdkState(states[i] | states[j]));
-    }
-  }
-}