]> git.sesse.net Git - casparcg/blobdiff - dependencies64/cef/windows/tests/ceftests/os_rendering_unittest.cc
Upgrade CEF to 3.3029.1611.g44e39a8 / Chromium 58.0.3029.81.
[casparcg] / dependencies64 / cef / windows / tests / ceftests / os_rendering_unittest.cc
diff --git a/dependencies64/cef/windows/tests/ceftests/os_rendering_unittest.cc b/dependencies64/cef/windows/tests/ceftests/os_rendering_unittest.cc
new file mode 100644 (file)
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+// Copyright (c) 2012 The Chromium Embedded Framework 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 "include/base/cef_bind.h"
+#include "include/base/cef_logging.h"
+#include "include/cef_v8.h"
+#include "include/wrapper/cef_closure_task.h"
+#include "include/wrapper/cef_stream_resource_handler.h"
+#include "tests/ceftests/routing_test_handler.h"
+#include "tests/gtest/include/gtest/gtest.h"
+#include "tests/shared/browser/geometry_util.h"
+#include "tests/shared/browser/resource_util.h"
+
+#if defined(OS_MACOSX)
+#include <Carbon/Carbon.h>  // For character codes.
+#include "tests/ceftests/os_rendering_unittest_mac.h"
+#elif defined(OS_LINUX)
+#include <X11/keysym.h>
+#elif defined(OS_WIN)
+// Required for resource_util_win, which uses this as an extern
+HINSTANCE hInst = ::GetModuleHandle(NULL);
+#endif
+
+namespace {
+
+const char kTestUrl[] = "http://tests/osrtest";
+
+// this html should render on a 600 x 400 window with a little vertical
+// offset with scrollbar.
+
+// default osr widget size
+const int kOsrWidth = 600;
+const int kOsrHeight = 400;
+
+// precomputed bounding client rects for html elements (h1 and li).
+#if defined(OS_WIN) || defined(OS_LINUX)
+const CefRect kExpectedRectLI[] = {
+  CefRect(8, 8, 567, 74),    // LI00
+  CefRect(27, 103, 548, 20),  // LI01
+  CefRect(27, 123, 548, 20),  // LI02
+  CefRect(27, 143, 548, 20),  // LI03
+  CefRect(27, 163, 548, 20),  // LI04
+  CefRect(27, 183, 548, 20),  // LI05
+  CefRect(27, 203, 548, 20),  // LI06
+  CefRect(27, 223, 548, 20),  // LI07
+  CefRect(27, 243, 548, 26),  // LI08
+  CefRect(27, 269, 548, 26),  // LI09
+  CefRect(27, 295, 548, 20),  // LI10
+};
+#elif defined(OS_MACOSX)
+const CefRect kExpectedRectLI[] = {
+  CefRect(8, 8, 584, 74),    // LI00
+  CefRect(28, 103, 564, 18),  // LI01
+  CefRect(28, 121, 564, 18),  // LI02
+  CefRect(28, 139, 564, 18),  // LI03
+  CefRect(28, 157, 564, 18),  // LI04
+  CefRect(28, 175, 564, 18),  // LI05
+  CefRect(28, 193, 564, 18),  // LI06
+  CefRect(28, 211, 564, 18),  // LI07
+  CefRect(28, 229, 564, 23),  // LI08
+  CefRect(28, 252, 564, 26),  // LI09
+  CefRect(18, 291, 360, 21),  // LI10
+};
+#else
+#error "Unsupported platform"
+#endif  // defined(OS_WIN)
+
+// bounding client rects for edit box and navigate button
+#if defined(OS_WIN)
+const CefRect kEditBoxRect(412, 245, 60, 22);
+const CefRect kNavigateButtonRect(360, 271, 140, 22);
+const CefRect kSelectRect(467, 22, 75, 20);
+const CefRect kExpandedSelectRect(463, 42, 81, 334);
+const CefRect kDropDivRect(8, 332, 52, 52);
+const CefRect kDragDivRect(71, 342, 30, 30);
+const int kDefaultVerticalScrollbarWidth = 17;
+const int kVerticalScrollbarWidth = GetSystemMetrics(SM_CXVSCROLL);
+#elif defined(OS_MACOSX)
+const CefRect kEditBoxRect(442, 251, 46, 16);
+const CefRect kNavigateButtonRect(375, 275, 130, 20);
+const CefRect kSelectRect(461, 21, 87, 26);
+const CefRect kExpandedSelectRect(463, 42, 75, 286);
+const CefRect kDropDivRect(9, 330, 52, 52);
+const CefRect kDragDivRect(60, 330, 52, 52);
+#elif defined(OS_LINUX)
+const CefRect kEditBoxRect(434, 246, 60, 20);
+const CefRect kNavigateButtonRect(380, 271, 140, 22);
+const CefRect kSelectRect(467, 22, 75, 20);
+const CefRect kExpandedSelectRect(463, 42, 79, 334);
+const CefRect kDropDivRect(8, 332, 52, 52);
+const CefRect kDragDivRect(71, 342, 30, 30);
+const int kDefaultVerticalScrollbarWidth = 14;
+const int kVerticalScrollbarWidth = 14;
+#else
+#error "Unsupported platform"
+#endif  // defined(OS_WIN)
+
+// word to be written into edit box
+const char kKeyTestWord[] = "done";
+
+#if defined(OS_LINUX)
+
+// From ui/events/keycodes/keyboard_codes_posix.h
+#define VKEY_D        0x44
+#define VKEY_O        0x4F
+#define VKEY_N        0x4E
+#define VKEY_E        0x45
+#define VKEY_ESCAPE   0x1B
+
+const unsigned int kNativeKeyTestCodes[] = {
+  XK_d,
+  XK_o,
+  XK_n,
+  XK_e
+};
+
+const unsigned int kNativeKeyEscape = XK_Escape;
+
+#elif defined(OS_MACOSX)
+
+// See kKeyCodesMap in ui/events/keycodes/keyboard_code_conversion_mac.mm
+#define VKEY_D        'd'
+#define VKEY_O        'o'
+#define VKEY_N        'n'
+#define VKEY_E        'e'
+#define VKEY_ESCAPE   kEscapeCharCode
+
+const unsigned int kNativeKeyTestCodes[] = {
+  kVK_ANSI_D,
+  kVK_ANSI_O,
+  kVK_ANSI_N,
+  kVK_ANSI_E
+};
+
+const unsigned int kNativeKeyEscape = kVK_Escape;
+
+#endif
+
+#if defined(OS_MACOSX) || defined(OS_LINUX)
+
+const unsigned int kKeyTestCodes[] = {
+  VKEY_D,
+  VKEY_O,
+  VKEY_N,
+  VKEY_E
+};
+
+#endif
+
+// test type
+enum OSRTestType {
+  // IsWindowRenderingDisabled should be true
+  OSR_TEST_IS_WINDOWLESS,
+  // focusing webview, LI00 will get red & repainted
+  OSR_TEST_FOCUS,
+  // loading webview should trigger a full paint (L01)
+  OSR_TEST_PAINT,
+  // same as OSR_TEST_PAINT but with alpha values
+  OSR_TEST_TRANSPARENCY,
+  // moving mouse over L02, OnCursorChange will be called
+  OSR_TEST_CURSOR,
+  // moving mouse on L03, OnPaint will be called for its bounding rectangle
+  OSR_TEST_MOUSE_MOVE,
+  // right clicking an element (L04), OnBeforeContextMenu should be called
+  OSR_TEST_CLICK_RIGHT,
+  // right clicking an element (L04), context menu will query screen point
+  OSR_TEST_SCREEN_POINT,
+  // left click in text box should query repainting edit box area
+  OSR_TEST_CLICK_LEFT,
+  // Resize should trigger a full repaint with the new given size
+  OSR_TEST_RESIZE,
+  // Invalidate should trigger repaint synchronously
+  OSR_TEST_INVALIDATE,
+  // write into editbox LI08, click to navigate on LI09
+  OSR_TEST_KEY_EVENTS,
+  // mouse over LI10 will show a tooltip
+  OSR_TEST_TOOLTIP,
+  // mouse wheel will trigger a scroll event
+  OSR_TEST_SCROLLING,
+  // Right click will trigger a context menu, and on destroying the test, it
+  // should not crash
+  OSR_TEST_CONTEXT_MENU,
+  // clicking on dropdown box, PET_POPUP OnPaint is triggered
+  OSR_TEST_POPUP_PAINT,
+  // clicking on dropdown box, a popup will show up
+  OSR_TEST_POPUP_SHOW,
+  // clicking on dropdown box, OnPopupSize should be called
+  OSR_TEST_POPUP_SIZE,
+  // taking focus away from the webview, will close popup
+  OSR_TEST_POPUP_HIDE_ON_BLUR,
+  // clicking outside the popup widget will close popup
+  OSR_TEST_POPUP_HIDE_ON_CLICK,
+  // scrolling outside the popup widget will close popup
+  OSR_TEST_POPUP_HIDE_ON_SCROLL,
+  // pressing ESC will close popup
+  OSR_TEST_POPUP_HIDE_ON_ESC,
+  // scrolling inside the popup should trigger repaint for popup area
+  OSR_TEST_POPUP_SCROLL_INSIDE,
+  // clicking and moving the mouse will call StartDragging
+  OSR_TEST_DRAG_DROP_START_DRAGGING,
+  // starting dragging over the drop region will call UpdateDragCursor
+  OSR_TEST_DRAG_DROP_UPDATE_CURSOR,
+  // dropping element inside drop region will move the element
+  OSR_TEST_DRAG_DROP_DROP,
+  // IMESetComposition will update the composition range
+  OSR_TEST_IME_SET_COMPOSITION,
+  // IMECommitText inserts the specified text
+  OSR_TEST_IME_COMMIT_TEXT,
+  // IMEFinishComposition will commit the text present composition text
+  OSR_TEST_IME_FINISH_COMPOSITION,
+  // IMECancelComposition will update the composition range
+  OSR_TEST_IME_CANCEL_COMPOSITION,
+
+  // Define the range for popup tests.
+  OSR_TEST_POPUP_FIRST = OSR_TEST_POPUP_PAINT,
+  OSR_TEST_POPUP_LAST  = OSR_TEST_POPUP_SCROLL_INSIDE,
+};
+
+// Used in the browser process.
+class OSRTestHandler : public RoutingTestHandler,
+                       public CefFocusHandler,
+                       public CefRenderHandler,
+                       public CefContextMenuHandler {
+ public:
+  OSRTestHandler(OSRTestType test_type,
+                 float scale_factor)
+      : test_type_(test_type),
+        scale_factor_(scale_factor),
+        event_count_(0),
+        event_total_(1),
+        started_(false) {
+  }
+
+  // TestHandler methods
+  void RunTest() override {
+    CreateOSRBrowser(kTestUrl);
+
+    // Time out the test after a reasonable period of time.
+    SetTestTimeout();
+  }
+
+  void OnAfterCreated(CefRefPtr<CefBrowser> browser) override {
+    if (test_type_ == OSR_TEST_IS_WINDOWLESS) {
+      EXPECT_TRUE(browser->GetHost()->IsWindowRenderingDisabled());
+      DestroySucceededTestSoon();
+    }
+    RoutingTestHandler::OnAfterCreated(browser);
+  }
+
+  void OnLoadEnd(CefRefPtr<CefBrowser> browser,
+      CefRefPtr<CefFrame> frame,
+      int httpStatusCode) override {
+    if (!started())
+      return;
+
+    switch(test_type_) {
+      case OSR_TEST_KEY_EVENTS: {
+        const std::string& expected_url =
+            std::string(kTestUrl) + "?k=" + kKeyTestWord;
+        EXPECT_STREQ(expected_url.c_str(),
+                     frame->GetURL().ToString().c_str());
+        DestroySucceededTestSoon();
+        } break;
+      case OSR_TEST_IME_COMMIT_TEXT: {
+        const std::string& expected_url =
+            std::string(kTestUrl) + "?k=osrimecommit";
+        EXPECT_STREQ(expected_url.c_str(),
+                     frame->GetURL().ToString().c_str());
+        DestroySucceededTestSoon();
+      } break;
+      case OSR_TEST_IME_FINISH_COMPOSITION: {
+        const std::string& expected_url =
+            std::string(kTestUrl) + "?k=" + kKeyTestWord;
+        EXPECT_STREQ(expected_url.c_str(),
+                     frame->GetURL().ToString().c_str());
+        DestroySucceededTestSoon();
+      } break;
+      case OSR_TEST_IME_CANCEL_COMPOSITION: {
+        const std::string& expected_url =
+            std::string(kTestUrl) + "?k=";
+        EXPECT_STREQ(expected_url.c_str(),
+                     frame->GetURL().ToString().c_str());
+        DestroySucceededTestSoon();
+      } break;
+      default:
+        // Intentionally left blank
+        break;
+    }
+  }
+
+  bool OnQuery(CefRefPtr<CefBrowser> browser,
+               CefRefPtr<CefFrame> frame,
+               int64 query_id,
+               const CefString& request,
+               bool persistent,
+               CefRefPtr<Callback> callback) override {
+    EXPECT_TRUE(browser.get());
+
+    if (!started())
+      return false;
+
+    const std::string& messageStr = request;
+    switch(test_type_) {
+      case OSR_TEST_FOCUS:
+        EXPECT_STREQ(messageStr.c_str(), "osrfocus");
+        DestroySucceededTestSoon();
+        break;
+      case OSR_TEST_CLICK_LEFT:
+        EXPECT_STREQ(messageStr.c_str(), "osrclick0");
+        DestroySucceededTestSoon();
+        break;
+      case OSR_TEST_MOUSE_MOVE:
+        EXPECT_STREQ(messageStr.c_str(), "osrmousemove");
+        DestroySucceededTestSoon();
+        break;
+      case OSR_TEST_DRAG_DROP_DROP:
+        EXPECT_STREQ(messageStr.c_str(), "osrdrop");
+        DestroySucceededTestSoon();
+        break;
+      default:
+        // Intentionally left blank
+        break;
+    }
+
+    callback->Success("");
+    return true;
+  }
+
+  // CefClient methods, providing handlers
+  CefRefPtr<CefFocusHandler> GetFocusHandler() override {
+    return this;
+  }
+
+  CefRefPtr<CefRenderHandler> GetRenderHandler() override {
+    return this;
+  }
+
+  CefRefPtr<CefContextMenuHandler> GetContextMenuHandler() override {
+    return this;
+  }
+
+  CefRefPtr<CefRequestHandler> GetRequestHandler() override {
+    return this;
+  }
+
+  CefRefPtr<CefResourceHandler> GetResourceHandler(
+      CefRefPtr<CefBrowser> browser,
+      CefRefPtr<CefFrame> frame,
+      CefRefPtr<CefRequest> request) override {
+    std::string url = request->GetURL();
+
+    if (url.find(kTestUrl) == 0) {
+      // Show the osr test contents
+      CefRefPtr<CefStreamReader> stream =
+         client::GetBinaryResourceReader("osr_test.html");
+      return new CefStreamResourceHandler("text/html", stream);
+    }
+
+    return NULL;
+  }
+
+  // CefRenderHandler methods
+  bool GetViewRect(CefRefPtr<CefBrowser> browser,
+                   CefRect& rect) override {
+    if (test_type_ == OSR_TEST_RESIZE && started()) {
+      rect = CefRect(0, 0, kOsrWidth * 2, kOsrHeight * 2);
+      return true;
+    }
+    rect = CefRect(0, 0, kOsrWidth, kOsrHeight);
+    return true;
+  }
+
+  bool GetScreenPoint(CefRefPtr<CefBrowser> browser,
+                      int viewX,
+                      int viewY,
+                      int& screenX,
+                      int& screenY) override {
+    if (test_type_ == OSR_TEST_SCREEN_POINT && started()) {
+      const CefRect& expected_rect = GetExpectedRect(4);
+      EXPECT_EQ(viewX, MiddleX(expected_rect));
+      EXPECT_EQ(viewY, MiddleY(expected_rect));
+      DestroySucceededTestSoon();
+    } else if (test_type_ == OSR_TEST_CONTEXT_MENU && started()){
+      screenX = 0;
+      screenY = 0;
+      return true;
+    }
+    // we don't want to see a contextual menu. stop here.
+    return false;
+  }
+
+  bool GetScreenInfo(CefRefPtr<CefBrowser> browser,
+                     CefScreenInfo& screen_info) override {
+    screen_info.device_scale_factor = scale_factor_;
+
+    // The screen info rectangles are used by the renderer to create and
+    // position popups. If not overwritten in this function, the rectangle
+    // returned from GetViewRect will be used to popuplate them.
+    // The popup in the test fits without modifications in the test window, so
+    // setting the screen to the test window size does not affect its rectangle.
+    screen_info.rect = CefRect(0, 0, kOsrWidth, kOsrHeight);
+    screen_info.available_rect = screen_info.rect;
+    return true;
+  }
+
+  void OnPopupShow(CefRefPtr<CefBrowser> browser,
+                   bool show) override {
+    if (show && started()) {
+      switch (test_type_) {
+        case OSR_TEST_POPUP_SHOW:
+          if (!succeeded()) {
+            EXPECT_TRUE(show);
+            DestroySucceededTestSoon();
+          }
+          break;
+        default:
+          break;
+      }
+    }
+    if (!show && started()) {
+      switch (test_type_) {
+        case OSR_TEST_POPUP_HIDE_ON_BLUR:
+        case OSR_TEST_POPUP_HIDE_ON_CLICK:
+        case OSR_TEST_POPUP_HIDE_ON_ESC:
+        case OSR_TEST_POPUP_HIDE_ON_SCROLL:
+          DestroySucceededTestSoon();
+          break;
+        default:
+          break;
+      }
+    }
+  }
+
+  void OnPopupSize(CefRefPtr<CefBrowser> browser,
+                   const CefRect& rect) override {
+    if (started()) {
+      switch (test_type_) {
+      case OSR_TEST_POPUP_SIZE:
+        EXPECT_EQ(kExpandedSelectRect.x, rect.x);
+        EXPECT_EQ(kExpandedSelectRect.y, rect.y);
+        if (ExpectComputedPopupSize()) {
+          EXPECT_EQ(kExpandedSelectRect.width, rect.width);
+          EXPECT_EQ(kExpandedSelectRect.height, rect.height);
+        } else {
+          EXPECT_GT(rect.width, kExpandedSelectRect.width);
+          EXPECT_GT(rect.height, kExpandedSelectRect.height);
+        }
+        DestroySucceededTestSoon();
+        break;
+      default:
+        break;
+      }
+    }
+  }
+
+  void OnPaint(CefRefPtr<CefBrowser> browser,
+               PaintElementType type,
+               const RectList& dirtyRects,
+               const void* buffer,
+               int width, int height) override {
+    // bitmap must as big as GetViewRect said
+    if (test_type_ != OSR_TEST_RESIZE && type == PET_VIEW) {
+      EXPECT_EQ(GetScaledInt(kOsrWidth), width);
+      EXPECT_EQ(GetScaledInt(kOsrHeight), height);
+    } else if (type == PET_POPUP) {
+      const CefRect& expanded_select_rect = GetScaledRect(kExpandedSelectRect);
+      if (ExpectComputedPopupSize()) {
+        EXPECT_EQ(expanded_select_rect.width, width);
+        EXPECT_EQ(expanded_select_rect.height, height);
+      } else {
+        EXPECT_GT(width, kExpandedSelectRect.width);
+        EXPECT_GT(height, kExpandedSelectRect.height);
+      }
+    }
+
+    EXPECT_TRUE(browser->GetHost()->IsWindowRenderingDisabled());
+
+    // start test only when painting something else then background
+    if (IsBackgroundInBuffer(reinterpret_cast<const uint32*>(buffer),
+                             width * height,
+                             test_type_ == OSR_TEST_TRANSPARENCY ?
+                                0x00000000 :
+                                0xFFFFFFFF))
+      return;
+
+    // Send events after the first full repaint
+    switch (test_type_) {
+      case OSR_TEST_PAINT:
+        if (StartTest()) {
+          // test that we have a full repaint
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          EXPECT_TRUE(IsFullRepaint(dirtyRects[0], GetScaledInt(kOsrWidth),
+                                                   GetScaledInt(kOsrHeight)));
+          EXPECT_EQ(0xffff7f7fU, *(reinterpret_cast<const uint32*>(buffer)));
+          DestroySucceededTestSoon();
+        }
+        break;
+      case OSR_TEST_TRANSPARENCY:
+        if (StartTest()) {
+          // test that we have a full repaint
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          EXPECT_TRUE(IsFullRepaint(dirtyRects[0], GetScaledInt(kOsrWidth),
+                                                   GetScaledInt(kOsrHeight)));
+          EXPECT_EQ(0x80800000U, *(reinterpret_cast<const uint32*>(buffer)));
+          DestroySucceededTestSoon();
+        }
+        break;
+      case OSR_TEST_FOCUS:
+        if (StartTest()) {
+          // body.onfocus will make LI00 red
+          browser->GetHost()->SendFocusEvent(true);
+        }
+        break;
+      case OSR_TEST_CURSOR:
+        if (StartTest()) {
+          // make mouse leave first
+          CefMouseEvent mouse_event;
+          mouse_event.x = 0;
+          mouse_event.y = 0;
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseMoveEvent(mouse_event, true);
+          // enter mouse in the LI2 element having hand cursor
+          const CefRect& expected_rect = GetExpectedRect(2);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+          browser->GetHost()->SendMouseMoveEvent(mouse_event, false);
+        }
+        break;
+      case OSR_TEST_MOUSE_MOVE:
+        if (StartTest()) {
+          CefMouseEvent mouse_event;
+          const CefRect& expected_rect = GetExpectedRect(3);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseMoveEvent(mouse_event, false);
+        }
+        break;
+      case OSR_TEST_CLICK_RIGHT:
+      case OSR_TEST_SCREEN_POINT:
+      case OSR_TEST_CONTEXT_MENU:
+        if (StartTest()) {
+          CefMouseEvent mouse_event;
+          const CefRect& expected_rect = GetExpectedRect(4);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_RIGHT, false, 1);
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_RIGHT, true, 1);
+        }
+        break;
+      case OSR_TEST_CLICK_LEFT:
+        if (StartTest()) {
+          CefMouseEvent mouse_event;
+          const CefRect& expected_rect = GetExpectedRect(0);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, false, 1);
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, true, 1);
+        }
+        break;
+      case OSR_TEST_RESIZE:
+        if (StartTest()) {
+          browser->GetHost()->WasResized();
+          // There may be some partial repaints before the full repaint.
+        } else if (IsFullRepaint(dirtyRects[0], width, height)) {
+          EXPECT_EQ(GetScaledInt(kOsrWidth) * 2, width);
+          EXPECT_EQ(GetScaledInt(kOsrHeight) * 2, height);
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          DestroySucceededTestSoon();
+        }
+        break;
+      case OSR_TEST_INVALIDATE: {
+        if (StartTest()) {
+          browser->GetHost()->Invalidate(PET_VIEW);
+        } else {
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          EXPECT_EQ(dirtyRects[0],
+                    GetScaledRect(CefRect(0, 0, kOsrWidth, kOsrHeight)));
+          DestroySucceededTestSoon();
+        }
+        break;
+      }
+      case OSR_TEST_KEY_EVENTS:
+        if (StartTest()) {
+          // click inside edit box
+          CefMouseEvent mouse_event;
+          mouse_event.x = MiddleX(kEditBoxRect);
+          mouse_event.y = MiddleY(kEditBoxRect);
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, false, 1);
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, true, 1);
+
+          // write "done" word
+          CefKeyEvent event;
+          event.is_system_key = false;
+          event.modifiers = 0;
+
+          size_t word_length = strlen(kKeyTestWord);
+          for (size_t i = 0; i < word_length; ++i) {
+#if defined(OS_WIN)
+            SendKeyEvent(browser, kKeyTestWord[i]);
+#elif defined(OS_MACOSX) || defined(OS_LINUX)
+            SendKeyEvent(browser, kNativeKeyTestCodes[i], kKeyTestCodes[i]);
+#else
+#error "Unsupported platform"
+#endif
+          }
+          // click button to navigate
+          mouse_event.x = MiddleX(kNavigateButtonRect);
+          mouse_event.y = MiddleY(kNavigateButtonRect);
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, false, 1);
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, true, 1);
+        }
+        break;
+      case OSR_TEST_TOOLTIP:
+        if (StartTest()) {
+          CefMouseEvent mouse_event;
+          const CefRect& expected_rect = GetExpectedRect(10);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseMoveEvent(mouse_event, false);
+        }
+        break;
+      case OSR_TEST_SCROLLING: {
+        static const int deltaY = 10;
+        if (StartTest()) {
+          // scroll down once
+          CefMouseEvent mouse_event;
+          const CefRect& expected_rect = GetExpectedRect(0);
+          mouse_event.x = MiddleX(expected_rect);
+          mouse_event.y = MiddleY(expected_rect);
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseWheelEvent(mouse_event, 0, - deltaY);
+        } else {
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          const CefRect& expected_rect =
+              GetScaledRect(CefRect(0, 0, kOsrWidth, kOsrHeight));
+          // There may be some partial repaints before the full repaint.
+          if (dirtyRects[0] == expected_rect)
+            DestroySucceededTestSoon();
+        }
+        break;
+      }
+      case OSR_TEST_POPUP_HIDE_ON_CLICK:
+        if (StartTest()) {
+          ExpandDropDown();
+          // Wait for the first popup paint to occur
+        } else if (type == PET_POPUP) {
+          CefMouseEvent mouse_event;
+          mouse_event.x = 1;
+          mouse_event.y = 1;
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseClickEvent(
+              mouse_event, MBT_LEFT, false, 1);
+        }
+        break;
+      case OSR_TEST_POPUP_HIDE_ON_SCROLL:
+        if (StartTest()) {
+          ExpandDropDown();
+          // Wait for the first popup paint to occur
+        } else if (type == PET_POPUP) {
+          CefMouseEvent mouse_event;
+          mouse_event.x = mouse_event.y = 1;
+          mouse_event.modifiers = 0;
+          browser->GetHost()->SendMouseWheelEvent(mouse_event, 0, -10);
+        }
+        break;
+      case OSR_TEST_POPUP_HIDE_ON_BLUR:
+        if (StartTest()) {
+          ExpandDropDown();
+          // Wait for the first popup paint to occur
+        } else if (type == PET_POPUP) {
+          browser->GetHost()->SendFocusEvent(false);
+        }
+        break;
+      case OSR_TEST_POPUP_HIDE_ON_ESC:
+        if (StartTest()) {
+          ExpandDropDown();
+          // Wait for the first popup paint to occur
+        } else if (type == PET_POPUP) {
+#if defined(OS_WIN)
+          SendKeyEvent(browser, VK_ESCAPE);
+#elif defined(OS_MACOSX) || defined(OS_LINUX)
+          SendKeyEvent(browser, kNativeKeyEscape, VKEY_ESCAPE);
+#else
+#error "Unsupported platform"
+#endif
+        }
+        break;
+      case OSR_TEST_POPUP_SHOW:
+      case OSR_TEST_POPUP_SIZE:
+        if (StartTest()) {
+          ExpandDropDown();
+        }
+        break;
+      case OSR_TEST_POPUP_PAINT:
+        if (StartTest()) {
+          ExpandDropDown();
+        } else if (type == PET_POPUP) {
+          EXPECT_EQ(dirtyRects.size(), 1U);
+          const CefRect& expanded_select_rect =
+              GetScaledRect(kExpandedSelectRect);
+          EXPECT_EQ(0, dirtyRects[0].x);
+          EXPECT_EQ(0, dirtyRects[0].y);
+          if (ExpectComputedPopupSize()) {
+            EXPECT_EQ(expanded_select_rect.width, dirtyRects[0].width);
+            EXPECT_EQ(expanded_select_rect.height, dirtyRects[0].height);
+          } else {
+            EXPECT_GT(dirtyRects[0].width, kExpandedSelectRect.width);
+            EXPECT_GT(dirtyRects[0].height, kExpandedSelectRect.height);
+          }
+
+          // first pixel of border
+#if defined(OS_MACOSX)
+          EXPECT_EQ(0xff5d99d6, *(reinterpret_cast<const uint32*>(buffer)));
+#elif defined(OS_LINUX) || defined(OS_WIN)
+          EXPECT_EQ(0xff6497ea, *(reinterpret_cast<const uint32*>(buffer)));
+#else
+#error "Unsupported platform"
+#endif
+          if (ExpectComputedPopupSize()) {
+            EXPECT_EQ(expanded_select_rect.width, width);
+            EXPECT_EQ(expanded_select_rect.height, height);
+          } else {
+            EXPECT_GT(width, kExpandedSelectRect.width);
+            EXPECT_GT(height, kExpandedSelectRect.height);
+          }
+          DestroySucceededTestSoon();
+        }
+        break;
+      case OSR_TEST_POPUP_SCROLL_INSIDE:
+        {
+          static enum {NotStarted, Started, Scrolled}
+              scroll_inside_state = NotStarted;
+          if (StartTest()) {
+            ExpandDropDown();
+            scroll_inside_state = Started;
+          } else if (type == PET_POPUP) {
+            if (scroll_inside_state == Started) {
+              CefMouseEvent mouse_event;
+              mouse_event.x = MiddleX(kExpandedSelectRect);
+              mouse_event.y = MiddleY(kExpandedSelectRect);
+              mouse_event.modifiers = 0;
+              browser->GetHost()->SendMouseWheelEvent(mouse_event, 0, -10);
+              scroll_inside_state = Scrolled;
+            } else if (scroll_inside_state == Scrolled) {
+              const CefRect& expanded_select_rect =
+                  GetScaledRect(kExpandedSelectRect);
+              EXPECT_EQ(dirtyRects.size(), 1U);
+              EXPECT_EQ(0, dirtyRects[0].x);
+              EXPECT_EQ(0, dirtyRects[0].y);
+              if (ExpectComputedPopupSize()) {
+                EXPECT_EQ(expanded_select_rect.width, dirtyRects[0].width);
+                EXPECT_EQ(expanded_select_rect.height, dirtyRects[0].height);
+              } else {
+                EXPECT_GT(dirtyRects[0].width, kExpandedSelectRect.width);
+                EXPECT_GT(dirtyRects[0].height, kExpandedSelectRect.height);
+              }
+              DestroySucceededTestSoon();
+            }
+          }
+        }
+        break;
+      case OSR_TEST_DRAG_DROP_START_DRAGGING:
+      case OSR_TEST_DRAG_DROP_UPDATE_CURSOR:
+      case OSR_TEST_DRAG_DROP_DROP:
+        {
+          // trigger the StartDragging event
+          if (StartTest()) {
+            // move the mouse over the element to drag
+            CefMouseEvent mouse_event;
+            mouse_event.x = MiddleX(kDragDivRect);
+            mouse_event.y = MiddleY(kDragDivRect);
+            mouse_event.modifiers = 0;
+            browser->GetHost()->SendMouseMoveEvent(mouse_event, false);
+            // click on the element to drag
+            mouse_event.modifiers = EVENTFLAG_LEFT_MOUSE_BUTTON;
+            browser->GetHost()->SendMouseClickEvent(mouse_event, MBT_LEFT,
+                                                    false, 1);
+            // move the mouse to start dragging
+            mouse_event.x -= 5;
+            mouse_event.y -= 5;
+            browser->GetHost()->SendMouseMoveEvent(mouse_event, false);
+          }
+        }
+        break;
+      case OSR_TEST_IME_COMMIT_TEXT:
+        {
+          // trigger the IME Set Composition event
+          if (StartTest()) {
+            // click inside edit box so that text could be entered
+            CefMouseEvent mouse_event;
+            mouse_event.x = MiddleX(kEditBoxRect);
+            mouse_event.y = MiddleY(kEditBoxRect);
+            mouse_event.modifiers = 0;
+            browser->GetHost()->SendMouseClickEvent(
+                                      mouse_event, MBT_LEFT, false, 1);
+            browser->GetHost()->SendMouseClickEvent(
+                                      mouse_event, MBT_LEFT, true, 1);
+
+            size_t word_length = strlen(kKeyTestWord);
+            // Add some input keys to edit box
+            for (size_t i = 0; i < word_length; ++i) {
+#if defined(OS_WIN)
+              SendKeyEvent(browser, kKeyTestWord[i]);
+#elif defined(OS_MACOSX) || defined(OS_LINUX)
+              SendKeyEvent(browser, kNativeKeyTestCodes[i], kKeyTestCodes[i]);
+#else
+#error "Unsupported platform"
+#endif
+            }
+            // This text should be honored instead of 'ka' added via key events
+            CefString markedText("osrimecommit");
+
+            CefRange range(0, static_cast<int>(markedText.length()));
+            browser->GetHost()->ImeCommitText(markedText, range, 0);
+
+            // click button to navigate
+            mouse_event.x = MiddleX(kNavigateButtonRect);
+            mouse_event.y = MiddleY(kNavigateButtonRect);
+            browser->GetHost()->SendMouseClickEvent(
+                                mouse_event, MBT_LEFT, false, 1);
+            browser->GetHost()->SendMouseClickEvent(
+                                mouse_event, MBT_LEFT, true, 1);
+          }
+        }
+        break;
+      case OSR_TEST_IME_FINISH_COMPOSITION:
+        {
+          // trigger the IME Set Composition event
+          if (StartTest()) {
+            // click inside edit box so that text could be entered
+            CefMouseEvent mouse_event;
+            mouse_event.x = MiddleX(kEditBoxRect);
+            mouse_event.y = MiddleY(kEditBoxRect);
+            mouse_event.modifiers = 0;
+            browser->GetHost()->SendMouseClickEvent(mouse_event, MBT_LEFT,
+                                                    false, 1);
+            browser->GetHost()->SendMouseClickEvent(mouse_event, MBT_LEFT,
+                                                    true, 1);
+
+            size_t word_length = strlen(kKeyTestWord);
+            // Add some input keys to edit box
+            for (size_t i = 0; i < word_length; ++i) {
+#if defined(OS_WIN)
+              SendKeyEvent(browser, kKeyTestWord[i]);
+#elif defined(OS_MACOSX) || defined(OS_LINUX)
+              SendKeyEvent(browser, kNativeKeyTestCodes[i], kKeyTestCodes[i]);
+#else
+#error "Unsupported platform"
+#endif
+            }
+
+            // Finish Composition should set the existing composition
+            browser->GetHost()->ImeFinishComposingText(true);
+
+            // click button to navigate
+            mouse_event.x = MiddleX(kNavigateButtonRect);
+            mouse_event.y = MiddleY(kNavigateButtonRect);
+            browser->GetHost()->SendMouseClickEvent(mouse_event, MBT_LEFT,
+                                                    false, 1);
+            browser->GetHost()->SendMouseClickEvent(mouse_event, MBT_LEFT,
+                                                    true, 1);
+          }
+        }
+        break;
+      case OSR_TEST_IME_CANCEL_COMPOSITION:
+        {
+          // trigger the IME Set Composition event
+          if (StartTest()) {
+            // click inside edit box so that text could be entered
+            CefMouseEvent mouse_event;
+            mouse_event.x = MiddleX(kEditBoxRect);
+            mouse_event.y = MiddleY(kEditBoxRect);
+            mouse_event.modifiers = 0;
+            browser->GetHost()->SendMouseClickEvent(
+                                    mouse_event, MBT_LEFT, false, 1);
+            browser->GetHost()->SendMouseClickEvent(
+                                    mouse_event, MBT_LEFT, true, 1);
+            // Add some input keys to edit box
+            CefString markedText("か");
+            std::vector<CefCompositionUnderline> underlines;
+
+            // Use a thin black underline by default.
+            CefRange range(0, static_cast<int>(markedText.length()));
+            cef_composition_underline_t line = {
+              range, 0xFF000000, 0, false
+            };
+            underlines.push_back(line);
+
+            CefRange replacement_range(0,
+                static_cast<int>(markedText.length()));
+            CefRange selection_range(0, static_cast<int>(markedText.length()));
+
+            // Composition should be updated
+            browser->GetHost()->ImeSetComposition(markedText, underlines,
+                                          replacement_range,selection_range);
+
+            // CancelComposition should clean up the edit text
+            browser->GetHost()->ImeCancelComposition();
+
+            // click button to navigate and verify
+            mouse_event.x = MiddleX(kNavigateButtonRect);
+            mouse_event.y = MiddleY(kNavigateButtonRect);
+            browser->GetHost()->SendMouseClickEvent(
+                                    mouse_event, MBT_LEFT, false, 1);
+            browser->GetHost()->SendMouseClickEvent(
+                                    mouse_event, MBT_LEFT, true, 1);
+          }
+        }
+        break;
+      case OSR_TEST_IME_SET_COMPOSITION:
+        {
+          // trigger the IME Set Composition event
+          if (StartTest()) {
+            // click inside edit box so that text could be entered
+            CefMouseEvent mouse_event;
+            mouse_event.x = MiddleX(kEditBoxRect);
+            mouse_event.y = MiddleY(kEditBoxRect);
+            mouse_event.modifiers = 0;
+            browser->GetHost()->SendMouseClickEvent(
+                                 mouse_event, MBT_LEFT, false, 1);
+            browser->GetHost()->SendMouseClickEvent(
+                                 mouse_event, MBT_LEFT, true, 1);
+
+            // Now set some intermediate text composition
+            CefString markedText("か");
+            std::vector<CefCompositionUnderline> underlines;
+
+            // Use a thin black underline by default.
+            CefRange range(0, static_cast<int>(markedText.length()));
+            cef_composition_underline_t line = {
+              range, 0xFF000000, 0, false
+            };
+            underlines.push_back(line);
+
+            CefRange replacement_range(0,
+                static_cast<int>(markedText.length()));
+            CefRange selection_range(0, static_cast<int>(markedText.length()));
+
+            // This should update composition range and
+            // trigger the compositionRangeChanged callback
+            browser->GetHost()->ImeSetComposition(markedText, underlines,
+                                          replacement_range,selection_range);
+          }
+        }
+        break;
+      default:
+        break;
+    }
+  }
+
+  bool OnSetFocus(CefRefPtr<CefBrowser> browser,
+                  FocusSource source) override {
+    if (source == FOCUS_SOURCE_NAVIGATION) {
+      got_navigation_focus_event_.yes();
+
+      // Ignore focus from the original navigation when we're testing focus
+      // event delivery.
+      if (test_type_ == OSR_TEST_FOCUS)
+        return true;
+      return false;
+    }
+
+    EXPECT_EQ(source, FOCUS_SOURCE_SYSTEM);
+    got_system_focus_event_.yes();
+    return false;
+  }
+
+  void OnCursorChange(CefRefPtr<CefBrowser> browser,
+                      CefCursorHandle cursor,
+                      CursorType type,
+                      const CefCursorInfo& custom_cursor_info) override {
+    if (test_type_ == OSR_TEST_CURSOR && started()) {
+      EXPECT_EQ(CT_HAND, type);
+      EXPECT_EQ(NULL, custom_cursor_info.buffer);
+      DestroySucceededTestSoon();
+    }
+  }
+
+  void OnImeCompositionRangeChanged(CefRefPtr<CefBrowser> browser,
+                      const CefRange& range,
+                      const CefRenderHandler::RectList& bounds) override {
+    if (test_type_ == OSR_TEST_IME_SET_COMPOSITION && started()) {
+      EXPECT_EQ(range.from, 0);
+      EXPECT_EQ(range.to, 1);
+      EXPECT_EQ(1U, bounds.size());
+      DestroySucceededTestSoon();
+    }
+  }
+
+  bool StartDragging(CefRefPtr<CefBrowser> browser,
+                     CefRefPtr<CefDragData> drag_data,
+                     CefRenderHandler::DragOperationsMask allowed_ops,
+                     int x, int y) override {
+    if (test_type_ == OSR_TEST_DRAG_DROP_START_DRAGGING && started()) {
+      DestroySucceededTestSoon();
+      return false;
+    } else if ((test_type_ == OSR_TEST_DRAG_DROP_UPDATE_CURSOR ||
+        test_type_ == OSR_TEST_DRAG_DROP_DROP) && started()) {
+      // place the mouse over the drop area to trigger UpdateDragCursor
+      CefRefPtr<CefDragData> data = drag_data->Clone();
+      data->ResetFileContents();
+      CefMouseEvent ev;
+      ev.x = MiddleX(kDragDivRect) - 5;
+      ev.y = MiddleY(kDragDivRect) - 5;
+      ev.modifiers = EVENTFLAG_LEFT_MOUSE_BUTTON;
+      browser->GetHost()->DragTargetDragEnter(data, ev, allowed_ops);
+
+      ev.x = MiddleX(kDropDivRect);
+      ev.y = MiddleY(kDropDivRect);
+      browser->GetHost()->SendMouseMoveEvent(ev, false);
+      browser->GetHost()->DragTargetDragOver(ev, allowed_ops);
+
+      ev.x += 5;
+      ev.y += 5;
+      browser->GetHost()->SendMouseMoveEvent(ev, false);
+      browser->GetHost()->DragTargetDragOver(ev, allowed_ops);
+      return true;
+    }
+    return false;
+  }
+
+  void UpdateDragCursor(CefRefPtr<CefBrowser> browser,
+                        DragOperation operation) override {
+    if (test_type_ == OSR_TEST_DRAG_DROP_UPDATE_CURSOR && started()) {
+      if (operation != DRAG_OPERATION_NONE) {
+        browser->GetHost()->DragSourceEndedAt(MiddleX(kDropDivRect),
+                                              MiddleY(kDropDivRect),
+                                              DRAG_OPERATION_NONE);
+        browser->GetHost()->DragSourceSystemDragEnded();
+        DestroySucceededTestSoon();
+      }
+    } else if (test_type_ == OSR_TEST_DRAG_DROP_DROP && started()) {
+      // Don't end the drag multiple times.
+      if (got_update_cursor_)
+        return;
+      got_update_cursor_.yes();
+
+      CefMouseEvent ev;
+      ev.x = MiddleX(kDropDivRect);
+      ev.y = MiddleY(kDropDivRect);
+      ev.modifiers = 0;
+      browser->GetHost()->SendMouseClickEvent(ev, MBT_LEFT, true, 1);
+      browser->GetHost()->DragTargetDrop(ev);
+      browser->GetHost()->DragSourceEndedAt(ev.x, ev.y, operation);
+      browser->GetHost()->DragSourceSystemDragEnded();
+    }
+  }
+
+  bool OnTooltip(CefRefPtr<CefBrowser> browser,
+                 CefString& text) override {
+    if (test_type_ == OSR_TEST_TOOLTIP && started()) {
+      EXPECT_STREQ("EXPECTED_TOOLTIP", text.ToString().c_str());
+      DestroySucceededTestSoon();
+    }
+    return false;
+  }
+
+  void OnBeforeContextMenu(CefRefPtr<CefBrowser> browser,
+                           CefRefPtr<CefFrame> frame,
+                           CefRefPtr<CefContextMenuParams> params,
+                           CefRefPtr<CefMenuModel> model) override {
+    if (!started())
+      return;
+    if (test_type_ == OSR_TEST_CLICK_RIGHT) {
+      const CefRect& expected_rect = GetExpectedRect(4);
+      EXPECT_EQ(params->GetXCoord(), MiddleX(expected_rect));
+      EXPECT_EQ(params->GetYCoord(), MiddleY(expected_rect));
+      DestroySucceededTestSoon();
+    } else if (test_type_ == OSR_TEST_CONTEXT_MENU) {
+      // This test will pass if it does not crash on destruction
+      DestroySucceededTestSoon();
+    }
+  }
+
+  // OSRTestHandler functions
+  void CreateOSRBrowser(const CefString& url) {
+    CefWindowInfo windowInfo;
+    CefBrowserSettings settings;
+
+    const bool transparent = (test_type_ ==  OSR_TEST_TRANSPARENCY);
+
+#if defined(OS_WIN)
+    windowInfo.SetAsWindowless(GetDesktopWindow(), transparent);
+#elif defined(OS_MACOSX)
+    // An actual vies is needed only for the ContextMenu test. The menu runner
+    // checks if the view is not nil before showing the context menu.
+    if (test_type_ == OSR_TEST_CONTEXT_MENU)
+      windowInfo.SetAsWindowless(osr_unittests::GetFakeView(), transparent);
+    else
+      windowInfo.SetAsWindowless(kNullWindowHandle, transparent);
+#elif defined(OS_LINUX)
+    windowInfo.SetAsWindowless(kNullWindowHandle, transparent);
+#else
+#error "Unsupported platform"
+#endif
+    CefBrowserHost::CreateBrowser(windowInfo, this, url, settings, NULL);
+  }
+
+  CefRect GetScaledRect(const CefRect& rect) const {
+    return client::LogicalToDevice(rect, scale_factor_);
+  }
+
+  int GetScaledInt(int value) const {
+    return client::LogicalToDevice(value, scale_factor_);
+  }
+
+  CefRect GetExpectedRect(int index) {
+    CefRect rect = kExpectedRectLI[index];
+#if defined(OS_WIN) || defined(OS_LINUX)
+     // Adjust the rect to include system vertical scrollbar width.
+    rect.width += kDefaultVerticalScrollbarWidth - kVerticalScrollbarWidth;
+#elif !defined(OS_MACOSX)
+    #error "Unsupported platform"
+#endif
+
+    return rect;
+  }
+
+  static bool IsFullRepaint(const CefRect& rc, int width, int height) {
+    return rc.width == width && rc.height == height;
+  }
+
+  static bool IsBackgroundInBuffer(const uint32* buffer, size_t size,
+                                   uint32 rgba) {
+    for (size_t i = 0; i < size; i++) {
+      if (buffer[i] != rgba) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  static inline int MiddleX(const CefRect& rect) {
+    return rect.x + rect.width / 2;
+  }
+
+  static inline int MiddleY(const CefRect& rect) {
+    return rect.y + rect.height / 2;
+  }
+
+  bool ExpectComputedPopupSize() const {
+#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MACOSX))
+    // On Windows the device scale factor is ignored in Blink when computing
+    // the default form control font size (see https://crbug.com/674663#c11).
+    // This results in better font size display but also means that we won't
+    // get the expected (scaled) width/height value for non-1.0 scale factor
+    // select popups.
+    // On both Windows and Linux the non-1.0 scale factor size is off by a few
+    // pixels so we can't perform an exact comparison.
+    return scale_factor_ == 1.0;
+#else
+    return true;
+#endif
+  }
+
+  void DestroySucceededTestSoon() {
+    if (succeeded())
+      return;
+    if (++event_count_ == event_total_)
+      CefPostTask(TID_UI, base::Bind(&OSRTestHandler::DestroyTest, this));
+  }
+
+  void DestroyTest() override {
+    // Always get the OnSetFocus call for the initial navigation.
+    EXPECT_TRUE(got_navigation_focus_event_);
+
+    if (test_type_ == OSR_TEST_FOCUS ||
+        (test_type_ >= OSR_TEST_POPUP_FIRST &&
+         test_type_ <= OSR_TEST_POPUP_LAST)) {
+      // SetFocus is called by the system when we explicitly set the focus and
+      // when popups are dismissed.
+      EXPECT_TRUE(got_system_focus_event_);
+    } else {
+      EXPECT_FALSE(got_system_focus_event_);
+    }
+
+    RoutingTestHandler::DestroyTest();
+  }
+
+  void ExpandDropDown() {
+    GetBrowser()->GetHost()->SendFocusEvent(true);
+    CefMouseEvent mouse_event;
+    mouse_event.x = MiddleX(kSelectRect);
+    mouse_event.y = MiddleY(kSelectRect);
+    mouse_event.modifiers = 0;
+    GetBrowser()->GetHost()->SendMouseClickEvent(
+        mouse_event, MBT_LEFT, false, 1);
+  }
+
+  void SendKeyEvent(CefRefPtr<CefBrowser> browser,
+#if defined(OS_LINUX) || defined(OS_MACOSX)
+                    unsigned int native_key_code,
+#endif
+                    int key_code) {
+    CefKeyEvent event;
+    event.is_system_key = false;
+    event.modifiers = 0;
+
+#if defined(OS_WIN)
+    BYTE VkCode = LOBYTE(VkKeyScanA(key_code));
+    UINT scanCode = MapVirtualKey(VkCode, MAPVK_VK_TO_VSC);
+    event.native_key_code = (scanCode << 16) |  // key scan code
+                                            1;  // key repeat count
+    event.windows_key_code = VkCode;
+#elif defined(OS_MACOSX)
+    event.native_key_code = native_key_code;
+    // Note that this is only correct for lower-case characters. If |key_code|
+    // was an upper-case character then |event.character| would be the upper-
+    // case character and |event.unmodified_character| would be the lower-case
+    // character (e.g. the character without the shift modifier applied).
+    event.character = event.unmodified_character = key_code;
+#elif defined(OS_LINUX)
+    event.native_key_code = native_key_code;
+    event.windows_key_code = key_code;
+    event.character = event.unmodified_character = native_key_code;
+#else
+    NOTREACHED();
+#endif
+    event.type = KEYEVENT_RAWKEYDOWN;
+    browser->GetHost()->SendKeyEvent(event);
+
+#if defined(OS_WIN)
+    event.windows_key_code = key_code;
+#endif
+    event.type = KEYEVENT_CHAR;
+    browser->GetHost()->SendKeyEvent(event);
+
+#if defined(OS_WIN)
+    event.windows_key_code = VkCode;
+    // bits 30 and 31 should be always 1 for WM_KEYUP
+    event.native_key_code |= 0xC0000000;
+#endif
+    event.type = KEYEVENT_KEYUP;
+    browser->GetHost()->SendKeyEvent(event);
+  }
+
+  // true if the events for this test are already sent
+  bool started() { return started_; }
+
+  // true if the exit point was reached, even the result is not
+  // the expected one
+  bool succeeded() { return (event_count_ == event_total_); }
+
+  // will mark test as started and will return true only the first time
+  // it is called
+  bool StartTest() {
+    if (started_)
+      return false;
+    started_ = true;
+    return true;
+  }
+
+ private:
+  OSRTestType test_type_;
+  float scale_factor_;
+  int event_count_;
+  int event_total_;
+  bool started_;
+  TrackCallback got_update_cursor_;
+  TrackCallback got_navigation_focus_event_;
+  TrackCallback got_system_focus_event_;
+
+  IMPLEMENT_REFCOUNTING(OSRTestHandler);
+};
+
+}  // namespace
+
+// generic test
+#define OSR_TEST(name, test_mode, scale_factor)\
+TEST(OSRTest, name) {\
+  CefRefPtr<OSRTestHandler> handler = \
+      new OSRTestHandler(test_mode, scale_factor);\
+  handler->ExecuteTest();\
+  EXPECT_TRUE(handler->succeeded());\
+  ReleaseAndWaitForDestructor(handler);\
+}
+
+// tests
+OSR_TEST(Windowless, OSR_TEST_IS_WINDOWLESS, 1.0f);
+OSR_TEST(Windowless2x, OSR_TEST_IS_WINDOWLESS, 2.0f);
+OSR_TEST(Focus, OSR_TEST_FOCUS, 1.0f);
+OSR_TEST(Focus2x, OSR_TEST_FOCUS, 2.0f);
+OSR_TEST(Paint, OSR_TEST_PAINT, 1.0f);
+OSR_TEST(Paint2x, OSR_TEST_PAINT, 2.0f);
+OSR_TEST(TransparentPaint, OSR_TEST_TRANSPARENCY, 1.0f);
+OSR_TEST(TransparentPaint2x, OSR_TEST_TRANSPARENCY, 2.0f);
+OSR_TEST(Cursor, OSR_TEST_CURSOR, 1.0f);
+OSR_TEST(Cursor2x, OSR_TEST_CURSOR, 2.0f);
+OSR_TEST(MouseMove, OSR_TEST_MOUSE_MOVE, 1.0f);
+OSR_TEST(MouseMove2x, OSR_TEST_MOUSE_MOVE, 2.0f);
+OSR_TEST(MouseRightClick, OSR_TEST_CLICK_RIGHT, 1.0f);
+OSR_TEST(MouseRightClick2x, OSR_TEST_CLICK_RIGHT, 2.0f);
+OSR_TEST(MouseLeftClick, OSR_TEST_CLICK_LEFT, 1.0f);
+OSR_TEST(MouseLeftClick2x, OSR_TEST_CLICK_LEFT, 2.0f);
+OSR_TEST(ScreenPoint, OSR_TEST_SCREEN_POINT, 1.0f);
+OSR_TEST(ScreenPoint2x, OSR_TEST_SCREEN_POINT, 2.0f);
+OSR_TEST(Resize, OSR_TEST_RESIZE, 1.0f);
+OSR_TEST(Resize2x, OSR_TEST_RESIZE, 2.0f);
+OSR_TEST(Invalidate, OSR_TEST_INVALIDATE, 1.0f);
+OSR_TEST(Invalidate2x, OSR_TEST_INVALIDATE, 2.0f);
+OSR_TEST(KeyEvents, OSR_TEST_KEY_EVENTS, 1.0f);
+OSR_TEST(KeyEvents2x, OSR_TEST_KEY_EVENTS, 2.0f);
+OSR_TEST(Tooltip, OSR_TEST_TOOLTIP, 1.0f);
+OSR_TEST(Tooltip2x, OSR_TEST_TOOLTIP, 2.0f);
+OSR_TEST(Scrolling, OSR_TEST_SCROLLING, 1.0f);
+OSR_TEST(Scrolling2x, OSR_TEST_SCROLLING, 2.0f);
+OSR_TEST(ContextMenu, OSR_TEST_CONTEXT_MENU, 1.0f);
+OSR_TEST(ContextMenu2x, OSR_TEST_CONTEXT_MENU, 2.0f);
+OSR_TEST(PopupPaint, OSR_TEST_POPUP_PAINT, 1.0f);
+OSR_TEST(PopupPaint2x, OSR_TEST_POPUP_PAINT, 2.0f);
+OSR_TEST(PopupShow, OSR_TEST_POPUP_SHOW, 1.0f);
+OSR_TEST(PopupShow2x, OSR_TEST_POPUP_SHOW, 2.0f);
+OSR_TEST(PopupSize, OSR_TEST_POPUP_SIZE, 1.0f);
+OSR_TEST(PopupSize2x, OSR_TEST_POPUP_SIZE, 2.0f);
+OSR_TEST(PopupHideOnBlur, OSR_TEST_POPUP_HIDE_ON_BLUR, 1.0f);
+OSR_TEST(PopupHideOnBlur2x, OSR_TEST_POPUP_HIDE_ON_BLUR, 2.0f);
+OSR_TEST(PopupHideOnClick, OSR_TEST_POPUP_HIDE_ON_CLICK, 1.0f);
+OSR_TEST(PopupHideOnClick2x, OSR_TEST_POPUP_HIDE_ON_CLICK, 2.0f);
+OSR_TEST(PopupHideOnScroll, OSR_TEST_POPUP_HIDE_ON_SCROLL, 1.0f);
+OSR_TEST(PopupHideOnScroll2x, OSR_TEST_POPUP_HIDE_ON_SCROLL, 2.0f);
+OSR_TEST(PopupHideOnEsc, OSR_TEST_POPUP_HIDE_ON_ESC, 1.0f);
+OSR_TEST(PopupHideOnEsc2x, OSR_TEST_POPUP_HIDE_ON_ESC, 2.0f);
+OSR_TEST(PopupScrollInside, OSR_TEST_POPUP_SCROLL_INSIDE, 1.0f);
+OSR_TEST(PopupScrollInside2x, OSR_TEST_POPUP_SCROLL_INSIDE, 2.0f);
+OSR_TEST(DragDropStartDragging, OSR_TEST_DRAG_DROP_START_DRAGGING, 1.0f);
+OSR_TEST(DragDropStartDragging2x, OSR_TEST_DRAG_DROP_START_DRAGGING, 2.0f);
+OSR_TEST(DragDropUpdateCursor, OSR_TEST_DRAG_DROP_UPDATE_CURSOR, 1.0f);
+OSR_TEST(DragDropUpdateCursor2x, OSR_TEST_DRAG_DROP_UPDATE_CURSOR, 2.0f);
+OSR_TEST(DragDropDropElement, OSR_TEST_DRAG_DROP_DROP, 1.0f);
+OSR_TEST(DragDropDropElement2x, OSR_TEST_DRAG_DROP_DROP, 2.0f);
+OSR_TEST(IMESetComposition, OSR_TEST_IME_SET_COMPOSITION, 1.0f);
+OSR_TEST(IMESetComposition2x, OSR_TEST_IME_SET_COMPOSITION, 2.0f);
+OSR_TEST(IMECommitText, OSR_TEST_IME_COMMIT_TEXT, 1.0f);
+OSR_TEST(IMECommitText2x, OSR_TEST_IME_COMMIT_TEXT, 2.0f);
+OSR_TEST(IMEFinishComposition, OSR_TEST_IME_FINISH_COMPOSITION, 1.0f);
+OSR_TEST(IMEFinishComposition2x, OSR_TEST_IME_FINISH_COMPOSITION, 2.0f);
+OSR_TEST(IMECancelComposition, OSR_TEST_IME_CANCEL_COMPOSITION, 1.0f);
+OSR_TEST(IMECancelComposition2x, OSR_TEST_IME_CANCEL_COMPOSITION, 2.0f);