Reposition toasts to align the closed one.

ui/message_center/views/message_popup_collection_unittest.cc

Index: ui/message_center/views/message_popup_collection_unittest.cc
diff --git a/ui/message_center/views/message_popup_collection_unittest.cc b/ui/message_center/views/message_popup_collection_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6a82db5015cf068b0376655cba8f49a34bea3508
--- /dev/null
+++ b/ui/message_center/views/message_popup_collection_unittest.cc
@@ -0,0 +1,131 @@
+// Copyright (c) 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.
+
+#include "ui/message_center/views/message_popup_collection.h"
+
+#include <list>
+
+#include "base/message_loop.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/rect.h"
+#include "ui/message_center/fake_message_center.h"
+#include "ui/views/test/views_test_base.h"
+#include "ui/views/widget/widget.h"
+
+namespace message_center {
+namespace test {
+
+class MessagePopupCollectionTest : public views::ViewsTestBase {
+ public:
+  virtual void SetUp() OVERRIDE {
+    views::ViewsTestBase::SetUp();
+    collection_.reset(new MessagePopupCollection(NULL, &message_center_));
+    collection_->SetWorkAreaForTest(gfx::Rect(0, 0, 200, 200));
+  }
+
+  virtual void TearDown() OVERRIDE {
+    collection_->CloseAllWidgets();
+    views::ViewsTestBase::TearDown();
+  }
+
+ protected:
+  void CreateWidgets(const std::vector<gfx::Rect>& rects) {
+    for (std::vector<gfx::Rect>::const_iterator iter = rects.begin();
+         iter != rects.end(); ++iter) {
+      views::Widget* widget = new views::Widget();
+      views::Widget::InitParams params = CreateParams(
+          views::Widget::InitParams::TYPE_POPUP);
+      params.keep_on_top = true;
+      params.top_level = true;
+      params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
+      widget->Init(params);
+      widget->SetBounds(*iter);
+      collection_->widgets_.push_back(widget);
+    }
+  }
+
+  void RepositionWidgets() {
+    collection_->RepositionWidgets();
+  }
+
+  void RepositionWidgetsWithTarget(const gfx::Rect& target_rect) {
+    collection_->RepositionWidgetsWithTarget(target_rect);
+  }
+
+  gfx::Rect GetWidgetRectAt(size_t index) {
+    size_t i = 0;
+    for (std::list<views::Widget*>::const_iterator iter =
+             collection_->widgets_.begin();
+         iter != collection_->widgets_.end(); ++iter) {
+      if (i++ == index)
+        return (*iter)->GetWindowBoundsInScreen();
+    }
+    return gfx::Rect();
+  }
+
+ private:
+  FakeMessageCenter message_center_;
+  scoped_ptr<MessagePopupCollection> collection_;
+};
+
+TEST_F(MessagePopupCollectionTest, RepositionWidgets) {
+  std::vector<gfx::Rect> rects;
+  std::list<views::Widget*> widgets;
+  rects.push_back(gfx::Rect(0, 0, 10, 10));
+  rects.push_back(gfx::Rect(0, 0, 10, 20));
+  rects.push_back(gfx::Rect(0, 0, 10, 30));
+  rects.push_back(gfx::Rect(0, 0, 10, 40));
+  CreateWidgets(rects);
+  RepositionWidgets();
+
+  EXPECT_EQ("0,180 10x10", GetWidgetRectAt(0).ToString());
+  EXPECT_EQ("0,150 10x20", GetWidgetRectAt(1).ToString());
+  EXPECT_EQ("0,110 10x30", GetWidgetRectAt(2).ToString());
+  EXPECT_EQ("0,60 10x40", GetWidgetRectAt(3).ToString());
+}
+
+TEST_F(MessagePopupCollectionTest, RepositionWidgetsWithTargetDown) {
+  std::vector<gfx::Rect> rects;
+  std::list<views::Widget*> widgets;
+  rects.push_back(gfx::Rect(0, 180, 10, 10));
+  rects.push_back(gfx::Rect(0, 150, 10, 20));
+  rects.push_back(gfx::Rect(0, 60, 10, 40));
+  CreateWidgets(rects);
+  RepositionWidgetsWithTarget(gfx::Rect(0, 110, 10, 30));
+
+  EXPECT_EQ("0,180 10x10", GetWidgetRectAt(0).ToString());
+  EXPECT_EQ("0,150 10x20", GetWidgetRectAt(1).ToString());
+  EXPECT_EQ("0,110 10x40", GetWidgetRectAt(2).ToString());
+}
+
+TEST_F(MessagePopupCollectionTest, RepositionWidgetsWithTargetDownAll) {
+  std::vector<gfx::Rect> rects;
+  std::list<views::Widget*> widgets;
+  rects.push_back(gfx::Rect(0, 150, 10, 20));
+  rects.push_back(gfx::Rect(0, 110, 10, 30));
+  rects.push_back(gfx::Rect(0, 60, 10, 40));
+  CreateWidgets(rects);
+  RepositionWidgetsWithTarget(gfx::Rect(0, 180, 10, 10));
+
+  EXPECT_EQ("0,180 10x20", GetWidgetRectAt(0).ToString());
+  EXPECT_EQ("0,140 10x30", GetWidgetRectAt(1).ToString());
+  EXPECT_EQ("0,90 10x40", GetWidgetRectAt(2).ToString());
+}
+
+TEST_F(MessagePopupCollectionTest, RepositionWidgetsWithTargetUp) {
+  std::vector<gfx::Rect> rects;
+  std::list<views::Widget*> widgets;
+  rects.push_back(gfx::Rect(0, 180, 10, 10));
+  rects.push_back(gfx::Rect(0, 150, 10, 20));
+  rects.push_back(gfx::Rect(0, 110, 10, 30));
+  CreateWidgets(rects);
+  RepositionWidgetsWithTarget(gfx::Rect(0, 60, 10, 40));
+
+  EXPECT_EQ("0,130 10x10", GetWidgetRectAt(0).ToString());
+  EXPECT_EQ("0,100 10x20", GetWidgetRectAt(1).ToString());
+  EXPECT_EQ("0,60 10x30", GetWidgetRectAt(2).ToString());
+}
+
+}  // namespace test
+}  // namespace message_center