Support minimizing the panel into 3-pixel line on Windows. Also support bringing up/down the titl...

chrome/browser/ui/panels/panel_browser_view_browsertest.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 "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
@@ skipping 259 matching lines @@
     PanelBrowserView* browser_view2 = CreatePanelBrowserView("PanelTest2",
                                                              SHOW_AS_INACTIVE);
     PanelBrowserFrameView* frame_view2 = browser_view2->GetFrameView();
     EXPECT_FALSE(browser_view2->panel()->IsActive());
     EXPECT_EQ(PanelBrowserFrameView::PAINT_AS_INACTIVE,
               frame_view2->paint_state_);
 
     browser_view1->panel()->Close();
     browser_view2->panel()->Close();
   }
+
+  // We put all the testing logic in this class instead of the test so that
+  // we do not need to declare each new test as a friend of PanelBrowserView
+  // for the purpose of accessing its private members.
+  void TestMinimizeAndRestore() {
+      PanelBrowserView* browser_view = CreatePanelBrowserView("PanelTest",
+                                                              SHOW_AS_ACTIVE);
+    Panel* panel = browser_view->panel_.get();
+
+    EXPECT_EQ(Panel::EXPANDED, panel->expansion_state());
+    int initial_height = panel->GetBounds().height();
+    int titlebar_height =
+        browser_view->GetFrameView()->NonClientTopBorderHeight();
+
+    browser_view->SetPanelExpansionState(Panel::MINIMIZED);

[jennb, 2011/06/29 23:17:54]

Should this be panel->SetPanelExpansionState()?

[jianli, 2011/06/30 01:28:33]

Done.

+    EXPECT_EQ(Panel::MINIMIZED, panel->expansion_state());
+    EXPECT_LT(panel->GetBounds().height(), titlebar_height);
+    EXPECT_GT(panel->GetBounds().height(), 0);
+
+    browser_view->SetPanelExpansionState(Panel::TITLE_ONLY);
+    EXPECT_EQ(Panel::TITLE_ONLY, panel->expansion_state());
+    EXPECT_EQ(titlebar_height, panel->GetBounds().height());
+
+    browser_view->SetPanelExpansionState(Panel::EXPANDED);
+    EXPECT_EQ(Panel::EXPANDED, panel->expansion_state());
+    EXPECT_EQ(initial_height, panel->GetBounds().height());
+
+    browser_view->SetPanelExpansionState(Panel::TITLE_ONLY);
+    EXPECT_EQ(Panel::TITLE_ONLY, panel->expansion_state());
+    EXPECT_EQ(initial_height, panel->GetBounds().height());
+
+    browser_view->SetPanelExpansionState(Panel::MINIMIZED);
+    EXPECT_EQ(Panel::MINIMIZED, panel->expansion_state());
+    EXPECT_LT(panel->GetBounds().height(), titlebar_height);
+    EXPECT_GT(panel->GetBounds().height(), 0);
+
+    browser_view->panel()->Close();
+  }
 };
 
 // Panel is not supported for Linux view yet.
 #if !defined(OS_LINUX) || !defined(TOOLKIT_VIEWS)
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, CreatePanel) {
   PanelBrowserView* browser_view = CreatePanelBrowserView("PanelTest",
                                                           SHOW_AS_ACTIVE);
   PanelBrowserFrameView* frame_view = browser_view->GetFrameView();
 
   // The bounds animation should not be triggered when the panel is up for the
@@ skipping 290 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, CreateSettingsMenu) {
   TestCreateSettingsMenuForExtension(
       FILE_PATH_LITERAL("extension1"), Extension::EXTERNAL_POLICY_DOWNLOAD,
       "", "");
   TestCreateSettingsMenuForExtension(
       FILE_PATH_LITERAL("extension2"), Extension::INVALID,
       "http://home", "options.html");
 }
+
+IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, MinimizeAndRestore) {
+  TestMinimizeAndRestore();
+}
 #endif