render_widget_test.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/public/test/render_widget_test.h"
6
7#include "base/basictypes.h"
8#include "base/file_util.h"
9#include "base/files/file_path.h"
10#include "base/memory/ref_counted_memory.h"
11#include "base/strings/stringprintf.h"
12#include "content/common/view_messages.h"
13#include "content/renderer/render_view_impl.h"
14#include "testing/gtest/include/gtest/gtest.h"
15#include "third_party/skia/include/core/SkBitmap.h"
16#include "third_party/WebKit/public/platform/WebSize.h"
17#include "third_party/WebKit/public/web/WebView.h"
18#include "ui/gfx/codec/jpeg_codec.h"
19#include "ui/gfx/size.h"
20#include "ui/surface/transport_dib.h"
21
22namespace content {
23
24const int RenderWidgetTest::kNumBytesPerPixel = 4;
25const int RenderWidgetTest::kLargeWidth = 1024;
26const int RenderWidgetTest::kLargeHeight = 768;
27const int RenderWidgetTest::kSmallWidth = 600;
28const int RenderWidgetTest::kSmallHeight = 450;
29const int RenderWidgetTest::kTextPositionX = 800;
30const int RenderWidgetTest::kTextPositionY = 600;
31const uint32 RenderWidgetTest::kRedARGB = 0xFFFF0000;
32
33RenderWidgetTest::RenderWidgetTest() {}
34
35void RenderWidgetTest::TestOnResize() {
36  RenderWidget* widget = static_cast<RenderViewImpl*>(view_);
37
38  // The initial bounds is empty, so setting it to the same thing should do
39  // nothing.
40  ViewMsg_Resize_Params resize_params;
41  resize_params.screen_info = blink::WebScreenInfo();
42  resize_params.new_size = gfx::Size();
43  resize_params.physical_backing_size = gfx::Size();
44  resize_params.overdraw_bottom_height = 0.f;
45  resize_params.resizer_rect = gfx::Rect();
46  resize_params.is_fullscreen = false;
47  widget->OnResize(resize_params);
48  EXPECT_FALSE(widget->next_paint_is_resize_ack());
49
50  // Setting empty physical backing size should not send the ack.
51  resize_params.new_size = gfx::Size(10, 10);
52  widget->OnResize(resize_params);
53  EXPECT_FALSE(widget->next_paint_is_resize_ack());
54
55  // Setting the bounds to a "real" rect should send the ack.
56  render_thread_->sink().ClearMessages();
57  gfx::Size size(100, 100);
58  resize_params.new_size = size;
59  resize_params.physical_backing_size = size;
60  widget->OnResize(resize_params);
61  EXPECT_TRUE(widget->next_paint_is_resize_ack());
62  widget->DoDeferredUpdate();
63  ProcessPendingMessages();
64
65  const ViewHostMsg_UpdateRect* msg =
66      static_cast<const ViewHostMsg_UpdateRect*>(
67          render_thread_->sink().GetUniqueMessageMatching(
68              ViewHostMsg_UpdateRect::ID));
69  ASSERT_TRUE(msg);
70  ViewHostMsg_UpdateRect::Schema::Param update_rect_params;
71  EXPECT_TRUE(ViewHostMsg_UpdateRect::Read(msg, &update_rect_params));
72  EXPECT_TRUE(ViewHostMsg_UpdateRect_Flags::is_resize_ack(
73      update_rect_params.a.flags));
74  EXPECT_EQ(size,
75      update_rect_params.a.view_size);
76  render_thread_->sink().ClearMessages();
77
78  // Setting the same size again should not send the ack.
79  widget->OnResize(resize_params);
80  EXPECT_FALSE(widget->next_paint_is_resize_ack());
81
82  // Resetting the rect to empty should not send the ack.
83  resize_params.new_size = gfx::Size();
84  resize_params.physical_backing_size = gfx::Size();
85  widget->OnResize(resize_params);
86  EXPECT_FALSE(widget->next_paint_is_resize_ack());
87}
88
89}  // namespace content
90