Use Custome ListContainer to Allocate SharedQuadState

cc/quads/list_container_unittest.cc

 // 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 "cc/quads/list_container.h"
 
 #include <vector>
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/largest_draw_quad.h"
 #include "cc/quads/render_pass_draw_quad.h"
@@ skipping 507 matching lines @@
   }
 
   int i = 0;
   for (std::vector<SimpleDrawQuad*>::const_iterator dq_iter = dq_list.begin();
        dq_iter != dq_list.end();
        ++dq_iter, ++i) {
     EXPECT_EQ(i, (*dq_iter)->get_value());
   }
 }
 
+TEST(ListContainerTest,
+     SimpleIterationAndReverseIterationWithIndexSharedQuadState) {
+  ListContainer<SharedQuadState> list;
+  std::vector<SharedQuadState*> sqs_list;
+  size_t size = 10;
+  for (size_t i = 0; i < size; ++i) {
+    sqs_list.push_back(list.AllocateAndConstruct<SharedQuadState>());
+  }
+  EXPECT_EQ(size, list.size());
+
+  size_t i = 0;
+  for (ListContainer<SharedQuadState>::Iterator iter = list.begin();
+       iter != list.end();
+       ++iter) {
+    EXPECT_EQ(i, iter.index());
+    ++i;
+  }
+
+  i = 0;
+  for (ListContainer<SharedQuadState>::ReverseIterator iter = list.rbegin();
+       iter != list.rend();
+       ++iter) {
+    EXPECT_EQ(i, iter.index());
+    ++i;
+  }
+}
+
 }  // namespace
 }  // namespace cc