Print Preview: Go from event driven print preview back to print preview with sync messages. The s...

chrome/browser/ui/webui/print_preview_ui_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 <vector>
+
 #include "base/command_line.h"
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/webui/print_preview_ui.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "printing/print_job_constants.h"
@@ skipping 120 matching lines @@
   preview_ui->GetPrintPreviewDataForIndex(printing::FIRST_PAGE_INDEX + 1,
                                           &data);
   EXPECT_EQ(dummy_data->size(), data->size());
   EXPECT_EQ(dummy_data.get(), data.get());
 
   // Clear the preview data.
   preview_ui->ClearAllPreviewData();
   preview_ui->GetPrintPreviewDataForIndex(printing::FIRST_PAGE_INDEX, &data);
   EXPECT_EQ(NULL, data.get());
 }
+
+// Set and get the individual draft pages.

[kmadhusu, 2011/08/22 21:23:57]

nit: Update the comment.

[Lei Zhang, 2011/08/22 22:26:55]

Done.

+TEST_F(PrintPreviewUITest, GetCurrentPrintPreviewStatus) {
+#if !defined(GOOGLE_CHROME_BUILD) || defined(OS_CHROMEOS)
+  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kEnablePrintPreview);
+#endif
+  ASSERT_TRUE(browser());
+  BrowserList::SetLastActive(browser());
+  ASSERT_TRUE(BrowserList::GetLastActive());
+
+  browser()->NewTab();
+  TabContents* initiator_tab = browser()->GetSelectedTabContents();
+  ASSERT_TRUE(initiator_tab);
+
+  scoped_refptr<printing::PrintPreviewTabController>
+      controller(new printing::PrintPreviewTabController());
+  ASSERT_TRUE(controller);
+
+  TabContents* preview_tab = controller->GetOrCreatePreviewTab(initiator_tab);
+
+  EXPECT_NE(initiator_tab, preview_tab);
+  EXPECT_EQ(2, browser()->tab_count());
+
+  PrintPreviewUI* preview_ui =
+      reinterpret_cast<PrintPreviewUI*>(preview_tab->web_ui());
+  ASSERT_TRUE(preview_ui != NULL);
+
+  // Test with invalid |preview_ui_addr|.
+  bool cancel = false;
+  preview_ui->GetCurrentPrintPreviewStatus("invalid", 0, &cancel);
+  EXPECT_TRUE(cancel);
+
+  const int kFirstRequestId = 1000;
+  const int kSecondRequestId = 1001;
+  const std::string preview_ui_addr = preview_ui->GetPrintPreviewUIAddress();
+
+  // Test with kFirstRequestId.
+  preview_ui->OnPrintPreviewRequest(kFirstRequestId);
+  cancel = true;
+  preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kFirstRequestId,
+                                           &cancel);
+  EXPECT_FALSE(cancel);
+
+  cancel = false;
+  preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kSecondRequestId,
+                                           &cancel);
+  EXPECT_TRUE(cancel);
+
+  // Test with kSecondRequestId.
+  preview_ui->OnPrintPreviewRequest(kSecondRequestId);
+  cancel = false;
+  preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kFirstRequestId,
+                                           &cancel);
+  EXPECT_TRUE(cancel);
+
+  cancel = true;
+  preview_ui->GetCurrentPrintPreviewStatus(preview_ui_addr, kSecondRequestId,
+                                           &cancel);
+  EXPECT_FALSE(cancel);
+}