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 90291)
+++ chrome/browser/ui/panels/panel_browser_view_browsertest.cc	(working copy)
@@ -251,6 +251,47 @@
 
     browser_view->panel()->Close();
   }
+
+  void TestMinimizeAndRestore() {

[jennb, 2011/06/27 23:18:02]

Could you add a comment at the top of this class explaining why all the test
logic is in this class instead of in the test?  Will save others from asking the
same question I did.

[jianli, 2011/06/29 01:28:12]

Done.

+      PanelBrowserView* browser_view = CreatePanelBrowserView("PanelTest");
+    Panel* panel = browser_view->panel_.get();
+
+    EXPECT_EQ(PanelBrowserView::FULLY_RESTORED, browser_view->expand_state());
+    int initial_height = panel->GetBounds().height();
+    int titlebar_height =
+        browser_view->GetFrameView()->NonClientTopBorderHeight();
+
+    browser_view->MinimizePanel();
+    EXPECT_EQ(PanelBrowserView::FULLY_MINIMIZED, browser_view->expand_state());
+    EXPECT_LT(panel->GetBounds().height(), titlebar_height);
+    EXPECT_GT(panel->GetBounds().height(), 0);
+
+    browser_view->RestorePanel(true);
+    EXPECT_EQ(PanelBrowserView::TITLEBAR_RESTORED,
+              browser_view->expand_state());
+    EXPECT_EQ(titlebar_height, panel->GetBounds().height());
+
+    browser_view->MinimizePanel();
+    EXPECT_EQ(PanelBrowserView::FULLY_MINIMIZED, browser_view->expand_state());
+    EXPECT_LT(panel->GetBounds().height(), titlebar_height);
+    EXPECT_GT(panel->GetBounds().height(), 0);
+
+    browser_view->RestorePanel(true);
+    EXPECT_EQ(PanelBrowserView::TITLEBAR_RESTORED,
+              browser_view->expand_state());
+    EXPECT_EQ(titlebar_height, panel->GetBounds().height());
+
+    browser_view->RestorePanel(false);
+    EXPECT_EQ(PanelBrowserView::FULLY_RESTORED, browser_view->expand_state());
+    EXPECT_EQ(initial_height, panel->GetBounds().height());
+
+    // No-op if we try to "restore" from full height to titlebar height.
+    browser_view->RestorePanel(true);
+    EXPECT_EQ(PanelBrowserView::FULLY_RESTORED, browser_view->expand_state());
+    EXPECT_EQ(initial_height, panel->GetBounds().height());
+
+    browser_view->panel()->Close();
+  }
 };
 
 // Panel is not supported for Linux view yet.
@@ -549,4 +590,8 @@
       FILE_PATH_LITERAL("extension2"), Extension::INVALID,
       "http://home", "options.html");
 }
+
+IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, MinimizeAndRestore) {
+  TestMinimizeAndRestore();
+}
 #endif