Alternate NTP: Don't overlap dev tools with bookmark bar

chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm

Index: chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm
diff --git a/chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm b/chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..f5373fe29faddec3693ff41f3ec015f14b77528a
--- /dev/null
+++ b/chrome/browser/ui/cocoa/dev_tools_controller_browsertest.mm
@@ -0,0 +1,87 @@
+// Copyright 2013 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.
+
+#import "chrome/browser/ui/cocoa/dev_tools_controller.h"
+
+#include "chrome/browser/devtools/devtools_window.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/cocoa/browser_window_controller.h"
+#include "chrome/test/base/in_process_browser_test.h"
+
+class DevToolsControllerTest : public InProcessBrowserTest {
+ public:
+  DevToolsControllerTest() : InProcessBrowserTest() {
+  }
+
+  virtual void SetUpOnMainThread() OVERRIDE {
+    DevToolsWindow::ToggleDevToolsWindow(browser(),
+                                         DEVTOOLS_TOGGLE_ACTION_SHOW);
+  }
+
+  DevToolsController* controller() {
+    NSWindow* window = browser()->window()->GetNativeWindow();
+    BrowserWindowController* window_controller =
+        [BrowserWindowController browserWindowControllerForWindow:window];
+    return [window_controller devToolsController];
+  }
+
+  void SetDockSide(DevToolsDockSide side) {
+    content::WebContents* web_contents =
+        browser()->tab_strip_model()->GetActiveWebContents();
+    DevToolsWindow* dev_tools =
+        DevToolsWindow::GetDockedInstanceForInspectedTab(web_contents);
+    dev_tools->SetDockSide(dev_tools->SideToString(side));
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DevToolsControllerTest);
+};
+
+// Verify that in horizontal mode the splitter is not allowed to go past the
+// bookmark bar.
+IN_PROC_BROWSER_TEST_F(DevToolsControllerTest, ConstrainSplitter) {
+  [controller() setTopContentOffset:0];
+  EXPECT_EQ(0, [controller() splitView:[controller() splitView]
+                constrainSplitPosition:0
+                           ofSubviewAt:0]);
+
+  CGFloat offset = 50;
+  [controller() setTopContentOffset:offset];
+  EXPECT_EQ(offset, [controller() splitView:[controller() splitView]
+                     constrainSplitPosition:0
+                                ofSubviewAt:0]);
+
+  // Should not be constrained in vertical mode.
+  [[controller() splitView] setVertical:YES];
+  EXPECT_EQ(0, [controller() splitView:[controller() splitView]
+                constrainSplitPosition:0
+                           ofSubviewAt:0]);
+}
+
+// When docked to the right the dev tools view should be shrunk so that it
+// doesn't overlap the bookmark bar.
+IN_PROC_BROWSER_TEST_F(DevToolsControllerTest, ViewSize) {
+  EXPECT_EQ(2u, [[[controller() splitView] subviews] count]);
+  NSView* container_view = [[[controller() splitView] subviews] lastObject];
+  EXPECT_EQ(1u, [[container_view subviews] count]);
+  NSView* dev_tools_view = [[container_view subviews] lastObject];
+  CGFloat width = NSWidth([[controller() splitView] bounds]);
+  CGFloat height = NSHeight([[controller() splitView] bounds]);
+
+  SetDockSide(DEVTOOLS_DOCK_SIDE_BOTTOM);
+  EXPECT_EQ(width, NSWidth([dev_tools_view bounds]));
+
+  SetDockSide(DEVTOOLS_DOCK_SIDE_RIGHT);
+  EXPECT_EQ(height, NSHeight([dev_tools_view bounds]));
+
+  CGFloat offset = 50;
+  [controller() setTopContentOffset:offset];
+
+  SetDockSide(DEVTOOLS_DOCK_SIDE_BOTTOM);
+  EXPECT_EQ(width, NSWidth([dev_tools_view bounds]));
+
+  SetDockSide(DEVTOOLS_DOCK_SIDE_RIGHT);
+  EXPECT_EQ(height - offset, NSHeight([dev_tools_view bounds]));
+}