print_preview_ui_html_source_unittest.cc revision dc0f95d653279beabeb9817299e2902918ba123e 
1// Copyright (c) 2011 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 "base/command_line.h"
6#include "base/shared_memory.h"
7#include "chrome/browser/printing/print_preview_tab_controller.h"
8#include "chrome/browser/ui/browser_list.h"
9#include "chrome/browser/ui/webui/print_preview_ui.h"
10#include "chrome/browser/ui/webui/print_preview_ui_html_source.h"
11#include "chrome/common/chrome_switches.h"
12#include "chrome/test/browser_with_test_window_test.h"
13#include "chrome/test/testing_profile.h"
14#include "content/browser/tab_contents/tab_contents.h"
15
16typedef BrowserWithTestWindowTest PrintPreviewUIHTMLSourceTest;
17
18// Create/Get a preview tab for initiator tab.
19TEST_F(PrintPreviewUIHTMLSourceTest, PrintPreviewData) {
20  // TODO(thestig) Remove when print preview is enabled by default.
21  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kEnablePrintPreview);
22  ASSERT_TRUE(browser());
23  BrowserList::SetLastActive(browser());
24  ASSERT_TRUE(BrowserList::GetLastActive());
25
26  browser()->NewTab();
27  TabContents* initiator_tab = browser()->GetSelectedTabContents();
28  ASSERT_TRUE(initiator_tab);
29
30  scoped_refptr<printing::PrintPreviewTabController>
31      controller(new printing::PrintPreviewTabController());
32  ASSERT_TRUE(controller);
33
34  TabContents* preview_tab = controller->GetOrCreatePreviewTab(
35      initiator_tab, initiator_tab->controller().window_id().id());
36
37  EXPECT_NE(initiator_tab, preview_tab);
38  EXPECT_EQ(2, browser()->tab_count());
39
40  PrintPreviewUI* preview_ui =
41      reinterpret_cast<PrintPreviewUI*>(preview_tab->web_ui());
42  ASSERT_TRUE(preview_ui != NULL);
43  PrintPreviewUIHTMLSource* html_source = preview_ui->html_source();
44
45  PrintPreviewUIHTMLSource::PrintPreviewData data;
46  html_source->GetPrintPreviewData(&data);
47  EXPECT_EQ(NULL, data.first);
48  EXPECT_EQ(0U, data.second);
49
50  PrintPreviewUIHTMLSource::PrintPreviewData dummy_data =
51      std::make_pair(new base::SharedMemory(), 1234);
52
53  html_source->SetPrintPreviewData(dummy_data);
54  html_source->GetPrintPreviewData(&data);
55  EXPECT_EQ(dummy_data, data);
56
57  // This should not cause any memory leaks.
58  dummy_data.first = new base::SharedMemory();
59  html_source->SetPrintPreviewData(dummy_data);
60}
61