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

Index: chrome/browser/ui/panels/panel_browser_view_browsertest.cc
===================================================================
--- chrome/browser/ui/panels/panel_browser_view_browsertest.cc	(revision 90982)
+++ chrome/browser/ui/panels/panel_browser_view_browsertest.cc	(working copy)
@@ -277,6 +277,44 @@
     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.
@@ -587,4 +625,8 @@
       FILE_PATH_LITERAL("extension2"), Extension::INVALID,
       "http://home", "options.html");
 }
+
+IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, MinimizeAndRestore) {
+  TestMinimizeAndRestore();
+}
 #endif