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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 "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "content/browser/renderer_host/input/tap_suppression_controller.h"
#include "content/browser/renderer_host/input/tap_suppression_controller_client.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::TimeDelta;
namespace content {
class MockTapSuppressionController : public TapSuppressionController,
public TapSuppressionControllerClient {
public:
using TapSuppressionController::DISABLED;
using TapSuppressionController::NOTHING;
using TapSuppressionController::GFC_IN_PROGRESS;
using TapSuppressionController::TAP_DOWN_STASHED;
using TapSuppressionController::LAST_CANCEL_STOPPED_FLING;
enum Action {
NONE = 0,
TAP_DOWN_DEFERRED = 1 << 0,
TAP_DOWN_FORWARDED = 1 << 1,
TAP_DOWN_DROPPED = 1 << 2,
TAP_UP_SUPPRESSED = 1 << 3,
TAP_UP_FORWARDED = 1 << 4,
TAP_CANCEL_SUPPRESSED = 1 << 5,
TAP_CANCEL_FORWARDED = 1 << 6,
STASHED_TAP_DOWN_FORWARDED = 1 << 7,
};
MockTapSuppressionController(const TapSuppressionController::Config& config)
: TapSuppressionController(this, config),
last_actions_(NONE),
time_(),
timer_started_(false) {}
virtual ~MockTapSuppressionController() {}
void SendGestureFlingCancel() {
last_actions_ = NONE;
GestureFlingCancel();
}
void SendGestureFlingCancelAck(bool processed) {
last_actions_ = NONE;
GestureFlingCancelAck(processed);
}
void SendTapDown() {
last_actions_ = NONE;
if (ShouldDeferTapDown())
last_actions_ |= TAP_DOWN_DEFERRED;
else
last_actions_ |= TAP_DOWN_FORWARDED;
}
void SendTapUp() {
last_actions_ = NONE;
if (ShouldSuppressTapEnd())
last_actions_ |= TAP_UP_SUPPRESSED;
else
last_actions_ |= TAP_UP_FORWARDED;
}
void SendTapCancel() {
last_actions_ = NONE;
if (ShouldSuppressTapEnd())
last_actions_ |= TAP_CANCEL_SUPPRESSED;
else
last_actions_ |= TAP_CANCEL_FORWARDED;
}
void AdvanceTime(const base::TimeDelta& delta) {
last_actions_ = NONE;
time_ += delta;
if (timer_started_ && time_ >= timer_expiry_time_) {
timer_started_ = false;
TapDownTimerExpired();
}
}
State state() { return state_; }
int last_actions() { return last_actions_; }
protected:
virtual base::TimeTicks Now() OVERRIDE {
return time_;
}
virtual void StartTapDownTimer(const base::TimeDelta& delay) OVERRIDE {
timer_expiry_time_ = time_ + delay;
timer_started_ = true;
}
virtual void StopTapDownTimer() OVERRIDE {
timer_started_ = false;
}
private:
// TapSuppressionControllerClient implementation
virtual void DropStashedTapDown() OVERRIDE {
last_actions_ |= TAP_DOWN_DROPPED;
}
virtual void ForwardStashedTapDown() OVERRIDE {
last_actions_ |= STASHED_TAP_DOWN_FORWARDED;
}
// Hiding some derived public methods
using TapSuppressionController::GestureFlingCancel;
using TapSuppressionController::GestureFlingCancelAck;
using TapSuppressionController::ShouldDeferTapDown;
using TapSuppressionController::ShouldSuppressTapEnd;
int last_actions_;
base::TimeTicks time_;
bool timer_started_;
base::TimeTicks timer_expiry_time_;
DISALLOW_COPY_AND_ASSIGN(MockTapSuppressionController);
};
class TapSuppressionControllerTest : public testing::Test {
public:
TapSuppressionControllerTest() {
}
virtual ~TapSuppressionControllerTest() {
}
protected:
// testing::Test
virtual void SetUp() {
tap_suppression_controller_.reset(
new MockTapSuppressionController(GetConfig()));
}
virtual void TearDown() {
tap_suppression_controller_.reset();
}
static TapSuppressionController::Config GetConfig() {
TapSuppressionController::Config config;
config.enabled = true;
config.max_cancel_to_down_time = base::TimeDelta::FromMilliseconds(10);
config.max_tap_gap_time = base::TimeDelta::FromMilliseconds(10);
return config;
}
scoped_ptr<MockTapSuppressionController> tap_suppression_controller_;
};
// Test TapSuppressionController for when GestureFlingCancel Ack comes before
// TapDown and everything happens without any delays.
TEST_F(TapSuppressionControllerTest, GFCAckBeforeTapFast) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_SUPPRESSED |
MockTapSuppressionController::TAP_DOWN_DROPPED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes before
// TapDown, but there is a small delay between TapDown and TapUp.
TEST_F(TapSuppressionControllerTest, GFCAckBeforeTapInsufficientlyLateTapUp) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Wait less than allowed delay between TapDown and TapUp, so they are still
// considered a tap.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(7));
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_SUPPRESSED |
MockTapSuppressionController::TAP_DOWN_DROPPED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes before
// TapDown, but there is a long delay between TapDown and TapUp.
TEST_F(TapSuppressionControllerTest, GFCAckBeforeTapSufficientlyLateTapUp) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send processed GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Send MouseDown. This MouseDown should be suppressed, for now.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Wait more than allowed delay between TapDown and TapUp, so they are not
// considered a tap. This should release the previously suppressed TapDown.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(13));
EXPECT_EQ(MockTapSuppressionController::STASHED_TAP_DOWN_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should not be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes before
// TapDown, but there is a small delay between the Ack and TapDown.
TEST_F(TapSuppressionControllerTest, GFCAckBeforeTapInsufficientlyLateTapDown) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Wait less than allowed delay between GestureFlingCancel and TapDown, so the
// TapDown is still considered associated with the GestureFlingCancel.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(7));
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_SUPPRESSED |
MockTapSuppressionController::TAP_DOWN_DROPPED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes before
// TapDown, but there is a long delay between the Ack and TapDown.
TEST_F(TapSuppressionControllerTest, GFCAckBeforeTapSufficientlyLateTapDown) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Wait more than allowed delay between GestureFlingCancel and TapDown, so the
// TapDown is not considered associated with the GestureFlingCancel.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(13));
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::LAST_CANCEL_STOPPED_FLING,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should not be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
// Send MouseUp. This MouseUp should not be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when unprocessed GestureFlingCancel Ack
// comes after TapDown and everything happens without any delay.
TEST_F(TapSuppressionControllerTest, GFCAckUnprocessedAfterTapFast) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed, for now.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send unprocessed GestureFlingCancel Ack. This should release the
// previously suppressed TapDown.
tap_suppression_controller_->SendGestureFlingCancelAck(false);
EXPECT_EQ(MockTapSuppressionController::STASHED_TAP_DOWN_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should not be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when processed GestureFlingCancel Ack comes
// after TapDown and everything happens without any delay.
TEST_F(TapSuppressionControllerTest, GFCAckProcessedAfterTapFast) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send processed GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_SUPPRESSED |
MockTapSuppressionController::TAP_DOWN_DROPPED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes after
// TapDown and there is a small delay between the Ack and TapUp.
TEST_F(TapSuppressionControllerTest, GFCAckAfterTapInsufficientlyLateTapUp) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Wait less than allowed delay between TapDown and TapUp, so they are still
// considered as a tap.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(7));
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_SUPPRESSED |
MockTapSuppressionController::TAP_DOWN_DROPPED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test TapSuppressionController for when GestureFlingCancel Ack comes after
// TapDown and there is a long delay between the Ack and TapUp.
TEST_F(TapSuppressionControllerTest, GFCAckAfterTapSufficientlyLateTapUp) {
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::GFC_IN_PROGRESS,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should be suppressed, for now.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_DEFERRED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_STASHED,
tap_suppression_controller_->state());
// Wait more than allowed delay between TapDown and TapUp, so they are not
// considered as a tap. This should release the previously suppressed TapDown.
tap_suppression_controller_->AdvanceTime(TimeDelta::FromMilliseconds(13));
EXPECT_EQ(MockTapSuppressionController::STASHED_TAP_DOWN_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should not be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::NOTHING,
tap_suppression_controller_->state());
}
// Test that no suppression occurs if the TapSuppressionController is disabled.
TEST_F(TapSuppressionControllerTest, NoSuppressionIfDisabled) {
TapSuppressionController::Config disabled_config;
disabled_config.enabled = false;
tap_suppression_controller_.reset(
new MockTapSuppressionController(disabled_config));
// Send GestureFlingCancel.
tap_suppression_controller_->SendGestureFlingCancel();
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::DISABLED,
tap_suppression_controller_->state());
// Send GestureFlingCancel Ack.
tap_suppression_controller_->SendGestureFlingCancelAck(true);
EXPECT_EQ(MockTapSuppressionController::NONE,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::DISABLED,
tap_suppression_controller_->state());
// Send TapDown. This TapDown should not be suppressed.
tap_suppression_controller_->SendTapDown();
EXPECT_EQ(MockTapSuppressionController::TAP_DOWN_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::DISABLED,
tap_suppression_controller_->state());
// Send TapUp. This TapUp should not be suppressed.
tap_suppression_controller_->SendTapUp();
EXPECT_EQ(MockTapSuppressionController::TAP_UP_FORWARDED,
tap_suppression_controller_->last_actions());
EXPECT_EQ(MockTapSuppressionController::DISABLED,
tap_suppression_controller_->state());
}
} // namespace content
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