athena: Add a test for FillLayoutManager.

athena/common/fill_layout_manager_unittest.cc

Index: athena/common/fill_layout_manager_unittest.cc
diff --git a/athena/common/fill_layout_manager_unittest.cc b/athena/common/fill_layout_manager_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3f17c7bc6960ae82a46cc8ddf75f6c2be2fe17b6
--- /dev/null
+++ b/athena/common/fill_layout_manager_unittest.cc
@@ -0,0 +1,32 @@
+// Copyright 2014 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 "athena/common/fill_layout_manager.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/aura/window.h"
+
+namespace athena {
+
+TEST(FillLayoutManagerTest, ChildWindowSizedCorrectly) {
+  scoped_ptr<aura::Window> parent(new aura::Window(NULL));
+  parent->SetBounds(gfx::Rect(10, 20, 30, 40));
+  parent->SetLayoutManager(new FillLayoutManager(parent.get()));
+
+  scoped_ptr<aura::Window> child(new aura::Window(NULL));
+  child->SetBounds(gfx::Rect(0, 0, 5, 10));
+
+  EXPECT_NE(child->bounds().size().ToString(),
+            parent->bounds().size().ToString());
+
+  parent->AddChild(child.get());
+  EXPECT_EQ(child->bounds().size().ToString(),
+            parent->bounds().size().ToString());
+
+  parent->SetBounds(gfx::Rect(0, 0, 100, 200));
+  EXPECT_EQ(child->bounds().size().ToString(),
+            parent->bounds().size().ToString());
+}
+
+}  // namespace athena