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// Copyright 2015 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/input/scroll_state.h"
#include "cc/layers/layer_impl.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "cc/test/test_task_graph_runner.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
class ScrollStateTest : public testing::Test {};
TEST_F(ScrollStateTest, ConsumeDeltaNative) {
const float delta_x = 12.3f;
const float delta_y = 3.9f;
const float delta_x_to_consume = 1.2f;
const float delta_y_to_consume = 2.3f;
ScrollState scrollState(delta_x, delta_y, 0, 0, false /* should_propagate */,
false /* delta_consumed_for_scroll_sequence */,
false /* is_direct_manipulation */);
EXPECT_FLOAT_EQ(delta_x, scrollState.delta_x());
EXPECT_FLOAT_EQ(delta_y, scrollState.delta_y());
EXPECT_FALSE(scrollState.delta_consumed_for_scroll_sequence());
EXPECT_FALSE(scrollState.FullyConsumed());
scrollState.ConsumeDelta(0, 0);
EXPECT_FLOAT_EQ(delta_x, scrollState.delta_x());
EXPECT_FLOAT_EQ(delta_y, scrollState.delta_y());
EXPECT_FALSE(scrollState.delta_consumed_for_scroll_sequence());
EXPECT_FALSE(scrollState.FullyConsumed());
scrollState.ConsumeDelta(delta_x_to_consume, 0);
EXPECT_FLOAT_EQ(delta_x - delta_x_to_consume, scrollState.delta_x());
EXPECT_FLOAT_EQ(delta_y, scrollState.delta_y());
EXPECT_TRUE(scrollState.delta_consumed_for_scroll_sequence());
EXPECT_FALSE(scrollState.FullyConsumed());
scrollState.ConsumeDelta(0, delta_y_to_consume);
EXPECT_FLOAT_EQ(delta_x - delta_x_to_consume, scrollState.delta_x());
EXPECT_FLOAT_EQ(delta_y - delta_y_to_consume, scrollState.delta_y());
EXPECT_TRUE(scrollState.delta_consumed_for_scroll_sequence());
EXPECT_FALSE(scrollState.FullyConsumed());
scrollState.ConsumeDelta(scrollState.delta_x(), scrollState.delta_y());
EXPECT_TRUE(scrollState.delta_consumed_for_scroll_sequence());
EXPECT_TRUE(scrollState.FullyConsumed());
}
TEST_F(ScrollStateTest, CurrentNativeScrollingScrollable) {
ScrollState scrollState(0, 0, 0, 0, false, false, false);
FakeImplProxy proxy;
TestSharedBitmapManager shared_bitmap_manager;
TestTaskGraphRunner task_graph_runner;
FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
&task_graph_runner);
scoped_ptr<LayerImpl> layer_impl =
LayerImpl::Create(host_impl.active_tree(), 1);
scrollState.set_current_native_scrolling_layer(layer_impl.get());
EXPECT_EQ(layer_impl, scrollState.current_native_scrolling_layer());
}
TEST_F(ScrollStateTest, FullyConsumed) {
ScrollState scrollState(1, 3, 0, 0, 0, false, false);
EXPECT_FALSE(scrollState.FullyConsumed());
scrollState.ConsumeDelta(1, 3);
EXPECT_TRUE(scrollState.FullyConsumed());
}
} // namespace cc
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