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// 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.
#include "cc/layers/picture_layer.h"
#include "cc/layers/content_layer_client.h"
#include "cc/layers/picture_layer_impl.h"
#include "cc/resources/resource_update_queue.h"
#include "cc/test/fake_layer_tree_host.h"
#include "cc/test/fake_picture_layer_impl.h"
#include "cc/test/fake_proxy.h"
#include "cc/test/impl_side_painting_settings.h"
#include "cc/trees/occlusion_tracker.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
class MockContentLayerClient : public ContentLayerClient {
public:
virtual void PaintContents(SkCanvas* canvas,
gfx::Rect clip,
gfx::RectF* opaque) OVERRIDE {}
virtual void DidChangeLayerCanUseLCDText() OVERRIDE {}
};
TEST(PictureLayerTest, NoTilesIfEmptyBounds) {
MockContentLayerClient client;
scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
layer->SetBounds(gfx::Size(10, 10));
scoped_ptr<FakeLayerTreeHost> host = FakeLayerTreeHost::Create();
host->SetRootLayer(layer);
layer->SetIsDrawable(true);
layer->SavePaintProperties();
OcclusionTracker occlusion(gfx::Rect(0, 0, 1000, 1000), false);
scoped_ptr<ResourceUpdateQueue> queue(new ResourceUpdateQueue);
layer->Update(queue.get(), &occlusion);
layer->SetBounds(gfx::Size(0, 0));
layer->SavePaintProperties();
// Intentionally skipping Update since it would normally be skipped on
// a layer with empty bounds.
FakeProxy proxy;
#ifndef NDEBUG
proxy.SetCurrentThreadIsImplThread(true);
#endif
{
FakeLayerTreeHostImpl host_impl(ImplSidePaintingSettings(), &proxy);
host_impl.CreatePendingTree();
scoped_ptr<FakePictureLayerImpl> layer_impl =
FakePictureLayerImpl::Create(host_impl.pending_tree(), 1);
layer->PushPropertiesTo(layer_impl.get());
EXPECT_FALSE(layer_impl->CanHaveTilings());
EXPECT_TRUE(layer_impl->bounds() == gfx::Size(0, 0));
EXPECT_TRUE(layer_impl->pile()->size() == gfx::Size(0, 0));
EXPECT_TRUE(layer_impl->pile()->recorded_region().IsEmpty());
}
#ifndef NDEBUG
proxy.SetCurrentThreadIsImplThread(false);
#endif
}
} // namespace
} // namespace cc
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