overscroll_controller_unittest.cc | Explore in Territory

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/renderer_host/overscroll_controller.h"

#include <memory>

#include "base/containers/queue.h"
#include "base/test/scoped_feature_list.h"
#include "content/browser/renderer_host/overscroll_controller_delegate.h"
#include "content/common/features.h"
#include "content/public/browser/overscroll_configuration.h"
#include "content/public/test/scoped_overscroll_modes.h"
#include "content/test/test_overscroll_delegate.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/input/synthetic_web_input_event_builders.h"
#include "third_party/blink/public/common/input/web_input_event.h"

namespace content {

class OverscrollControllerTest : public ::testing::Test { … };

// Tests that if a mouse-wheel is consumed by content before overscroll is
// initiated, overscroll will not initiate anymore.
TEST_F(OverscrollControllerTest, MouseWheelConsumedPreventsOverscroll) { … }

// Verifying the inertial scroll event completes overscroll. After that we will
// ignore the following inertial scroll events until new sequence start.
TEST_F(OverscrollControllerTest,
       InertialGestureScrollUpdateCompletesOverscroll) { … }

// Ensure inertial gesture scroll update can not start overscroll.
TEST_F(OverscrollControllerTest, InertialGSUsDoNotStartOverscroll) { … }

// After 300ms inertial gesture scroll updates, overscroll must get cancelled
// if not completed.
TEST_F(OverscrollControllerTest, OnlyProcessLimitedInertialGSUEvents) { … }

// Verifies that when pull-to-refresh is disabled, it is not triggered for
// neither touchpad nor touchscreen.
TEST_F(OverscrollControllerTest, PullToRefreshDisabled) { … }

// Verifies that when pull-to-refresh is enabled, it is triggered for both
// touchpad and touchscreen.
TEST_F(OverscrollControllerTest, PullToRefreshEnabled) { … }

// Verifies that when pull-to-refresh is enabled only for touchscreen, it is
// triggered for touchscreen but not for touchpad.
TEST_F(OverscrollControllerTest, PullToRefreshEnabledTouchscreen) { … }

// Ensure disabling kTouchpadOverscrollHistoryNavigation will prevent overscroll
// from touchpad.
TEST_F(OverscrollControllerTest, DisableTouchpadOverscrollHistoryNavigation) { … }

// Verifies that if an overscroll happens before cool off period after a page
// scroll, it does not trigger pull-to-refresh. Verifies following sequence of
// scrolls:
//  1) Page scroll;
//  2) Scroll before cool off -> PTR not triggered;
//  3) Scroll before cool off -> PTR not triggered;
//  4) Scroll after cool off  -> PTR triggered;
//  5) Scroll before cool off -> PTR triggered.
TEST_F(OverscrollControllerTest, PullToRefreshBeforeCoolOff) { … }

// Verifies that if an overscroll happens after cool off period after a page
// scroll, it triggers pull-to-refresh. Verifies the following sequence of
// scrolls:
//  1) Page scroll;
//  2) Scroll after cool off  -> PTR triggered;
//  3) Scroll before cool off -> PTR triggered;
TEST_F(OverscrollControllerTest, PullToRefreshAfterCoolOff) { … }

}  // namespace content
chromium/content/browser/renderer_host/overscroll_controller_unittest.cc
