ui/events/android/motion_event_android_unittest.cc - chromium/src - Git at Google

 // 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 <android/input.h>
 #include <stddef.h>
 #include <cmath>

 #include "base/android/jni_android.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/android/motion_event_android.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/test/motion_event_test_utils.h"
 #include "ui/events/test/scoped_event_test_tick_clock.h"

 namespace ui {
 class MotionEvent;

 namespace {
 const float kPixToDip = 0.5f;

 int kAndroidActionButton = 0;
 int kAndroidActionDown = AMOTION_EVENT_ACTION_DOWN;
 int kAndroidActionPointerDown = AMOTION_EVENT_ACTION_POINTER_DOWN;
 int kAndroidAltKeyDown = AMETA_ALT_ON;

 // Corresponds to TOOL_TYPE_FINGER, see
 // developer.android.com/reference/android/view/MotionEvent.html
 //     #TOOL_TYPE_FINGER.
 int kAndroidToolTypeFinger = 1;

 // Corresponds to BUTTON_PRIMARY, see
 // developer.android.com/reference/android/view/MotionEvent.html#BUTTON_PRIMARY.
 int kAndroidButtonPrimary = 1;

 // This function convert tilt_x and tilt_y back to tilt_rad.
 float ConvertToTiltRad(float tilt_x, float tilt_y) {
   float tilt_x_r = sin(tilt_x * M_PI / 180.f);
   float tilt_x_z = cos(tilt_x * M_PI / 180.f);
   float tilt_y_r = sin(tilt_y * M_PI / 180.f);
   float tilt_y_z = cos(tilt_y * M_PI / 180.f);
   float r_x = tilt_x_r * tilt_y_z;
   float r_y = tilt_y_r * tilt_x_z;
   float r = sqrt(r_x * r_x + r_y * r_y);
   float z = tilt_x_z * tilt_y_z;
   return atan2(r, z);
 }
 }  // namespace

 constexpr float float_error = 0.0001f;
 // Note that these tests avoid creating a Java instance of the MotionEvent, as
 // we're primarily testing caching behavior, and the code necessary to
 // construct a Java-backed MotionEvent itself adds unnecessary complexity.
 TEST(MotionEventAndroidTest, Constructor) {
   int event_time_ms = 5;
   base::TimeTicks event_time =
       base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms);
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(event_time);

   MotionEventAndroid::Pointer p0(
       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
   MotionEventAndroid::Pointer p1(2, -13.7f, 7.13f, 3.5f, 12.1f, -0.1f, 0.4f,
                                  kAndroidToolTypeFinger);
   float raw_offset = -3.f;
   int pointer_count = 2;
   int history_size = 0;
   int action_index = -1;
   MotionEventAndroid event(
       base::android::AttachCurrentThread(), nullptr, kPixToDip, 0.f, 0.f, 0.f,
       event_time_ms, kAndroidActionDown, pointer_count, history_size,
       action_index, kAndroidActionButton, kAndroidButtonPrimary,
       kAndroidAltKeyDown, raw_offset, -raw_offset, false, &p0, &p1);

   EXPECT_EQ(MotionEvent::Action::DOWN, event.GetAction());
   EXPECT_EQ(event_time, event.GetEventTime());
   EXPECT_EQ(p0.pos_x_pixels * kPixToDip, event.GetX(0));
   EXPECT_EQ(p0.pos_y_pixels * kPixToDip, event.GetY(0));
   EXPECT_EQ(p1.pos_x_pixels * kPixToDip, event.GetX(1));
   EXPECT_EQ(p1.pos_y_pixels * kPixToDip, event.GetY(1));
   EXPECT_FLOAT_EQ((p0.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(0));
   EXPECT_FLOAT_EQ((p0.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(0));
   EXPECT_FLOAT_EQ((p1.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(1));
   EXPECT_FLOAT_EQ((p1.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(1));
   EXPECT_EQ(p0.touch_major_pixels * kPixToDip, event.GetTouchMajor(0));
   EXPECT_EQ(p1.touch_major_pixels * kPixToDip, event.GetTouchMajor(1));
   EXPECT_EQ(p0.touch_minor_pixels * kPixToDip, event.GetTouchMinor(0));
   EXPECT_EQ(p1.touch_minor_pixels * kPixToDip, event.GetTouchMinor(1));
   EXPECT_EQ(p0.orientation_rad, event.GetOrientation(0));
   EXPECT_EQ(p1.orientation_rad, event.GetOrientation(1));
   EXPECT_NEAR(p0.tilt_rad,
               ConvertToTiltRad(event.GetTiltX(0), event.GetTiltY(0)),
               float_error);
   EXPECT_NEAR(p1.tilt_rad,
               ConvertToTiltRad(event.GetTiltX(1), event.GetTiltY(1)),
               float_error);
   EXPECT_EQ(p0.id, event.GetPointerId(0));
   EXPECT_EQ(p1.id, event.GetPointerId(1));
   EXPECT_EQ(MotionEvent::ToolType::FINGER, event.GetToolType(0));
   EXPECT_EQ(MotionEvent::ToolType::FINGER, event.GetToolType(1));
   EXPECT_EQ(MotionEvent::BUTTON_PRIMARY, event.GetButtonState());
   EXPECT_EQ(ui::EF_ALT_DOWN | ui::EF_LEFT_MOUSE_BUTTON, event.GetFlags());
   EXPECT_EQ(static_cast<size_t>(pointer_count), event.GetPointerCount());
   EXPECT_EQ(static_cast<size_t>(history_size), event.GetHistorySize());
 }

 TEST(MotionEventAndroidTest, Clone) {
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(base::TimeTicks());

   const int pointer_count = 1;
   MotionEventAndroid::Pointer p0(
       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
   MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
                            kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
                            pointer_count, 0, 0, 0, 0, 0, 0, 0, false, &p0,
                            nullptr);

   std::unique_ptr<MotionEvent> clone = event.Clone();
   EXPECT_EQ(ui::test::ToString(event), ui::test::ToString(*clone));
 }

 TEST(MotionEventAndroidTest, Cancel) {
   const int event_time_ms = 5;
   base::TimeTicks event_time =
       base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms);
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(event_time);

   const int pointer_count = 1;
   MotionEventAndroid::Pointer p0(
       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
   MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
                            kPixToDip, 0, 0, 0, event_time_ms,
                            kAndroidActionDown, pointer_count, 0, 0, 0, 0, 0, 0,
                            0, false, &p0, nullptr);

   std::unique_ptr<MotionEvent> cancel_event = event.Cancel();
   EXPECT_EQ(MotionEvent::Action::CANCEL, cancel_event->GetAction());
   EXPECT_EQ(event_time, cancel_event->GetEventTime());
   EXPECT_EQ(p0.pos_x_pixels * kPixToDip, cancel_event->GetX(0));
   EXPECT_EQ(p0.pos_y_pixels * kPixToDip, cancel_event->GetY(0));
   EXPECT_EQ(static_cast<size_t>(pointer_count),
             cancel_event->GetPointerCount());
   EXPECT_EQ(0U, cancel_event->GetHistorySize());
 }

 TEST(MotionEventAndroidTest, InvalidOrientationsSanitized) {
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(base::TimeTicks());

   int pointer_count = 2;
   float orientation0 = 1e10f;
   float orientation1 = std::numeric_limits<float>::quiet_NaN();
   MotionEventAndroid::Pointer p0(0, 0, 0, 0, 0, orientation0, 0, 0);
   MotionEventAndroid::Pointer p1(1, 0, 0, 0, 0, orientation1, 0, 0);
   MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
                            kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
                            pointer_count, 0, 0, 0, 0, 0, 0, 0, false, &p0, &p1);

   EXPECT_EQ(0.f, event.GetOrientation(0));
   EXPECT_EQ(0.f, event.GetOrientation(1));
 }

 TEST(MotionEventAndroidTest, NonEmptyHistoryForNonMoveEventsSanitized) {
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(base::TimeTicks());

   int pointer_count = 1;
   size_t history_size = 5;
   MotionEventAndroid::Pointer p0(0, 0, 0, 0, 0, 0, 0, 0);
   MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
                            kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
                            pointer_count, history_size, 0, 0, 0, 0, 0, 0, false,
                            &p0, nullptr);

   EXPECT_EQ(0U, event.GetHistorySize());
 }

 TEST(MotionEventAndroidTest, ActionIndexForPointerDown) {
   ui::test::ScopedEventTestTickClock clock;
   clock.SetNowTicks(base::TimeTicks());

   MotionEventAndroid::Pointer p0(
       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
   MotionEventAndroid::Pointer p1(
       2, -13.7f, 7.13f, 3.5f, 12.1f, -0.1f, -0.4f, kAndroidToolTypeFinger);
   int pointer_count = 2;
   int history_size = 0;
   int action_index = 1;
   MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
                            kPixToDip, 0, 0, 0, 0, kAndroidActionPointerDown,
                            pointer_count, history_size, action_index, 0, 0, 0,
                            0, 0, false, &p0, &p1);

   EXPECT_EQ(MotionEvent::Action::POINTER_DOWN, event.GetAction());
   EXPECT_EQ(action_index, event.GetActionIndex());
 }

 }  // namespace content
	// 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 <android/input.h>
	#include <stddef.h>
	#include <cmath>

	#include "base/android/jni_android.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "ui/events/android/motion_event_android.h"
	#include "ui/events/event_constants.h"
	#include "ui/events/test/motion_event_test_utils.h"
	#include "ui/events/test/scoped_event_test_tick_clock.h"

	namespace ui {
	class MotionEvent;

	namespace {
	const float kPixToDip = 0.5f;

	int kAndroidActionButton = 0;
	int kAndroidActionDown = AMOTION_EVENT_ACTION_DOWN;
	int kAndroidActionPointerDown = AMOTION_EVENT_ACTION_POINTER_DOWN;
	int kAndroidAltKeyDown = AMETA_ALT_ON;

	// Corresponds to TOOL_TYPE_FINGER, see
	// developer.android.com/reference/android/view/MotionEvent.html
	// #TOOL_TYPE_FINGER.
	int kAndroidToolTypeFinger = 1;

	// Corresponds to BUTTON_PRIMARY, see
	// developer.android.com/reference/android/view/MotionEvent.html#BUTTON_PRIMARY.
	int kAndroidButtonPrimary = 1;

	// This function convert tilt_x and tilt_y back to tilt_rad.
	float ConvertToTiltRad(float tilt_x, float tilt_y) {
	float tilt_x_r = sin(tilt_x * M_PI / 180.f);
	float tilt_x_z = cos(tilt_x * M_PI / 180.f);
	float tilt_y_r = sin(tilt_y * M_PI / 180.f);
	float tilt_y_z = cos(tilt_y * M_PI / 180.f);
	float r_x = tilt_x_r * tilt_y_z;
	float r_y = tilt_y_r * tilt_x_z;
	float r = sqrt(r_x * r_x + r_y * r_y);
	float z = tilt_x_z * tilt_y_z;
	return atan2(r, z);
	}
	} // namespace

	constexpr float float_error = 0.0001f;
	// Note that these tests avoid creating a Java instance of the MotionEvent, as
	// we're primarily testing caching behavior, and the code necessary to
	// construct a Java-backed MotionEvent itself adds unnecessary complexity.
	TEST(MotionEventAndroidTest, Constructor) {
	int event_time_ms = 5;
	base::TimeTicks event_time =
	base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms);
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(event_time);

	MotionEventAndroid::Pointer p0(
	1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
	MotionEventAndroid::Pointer p1(2, -13.7f, 7.13f, 3.5f, 12.1f, -0.1f, 0.4f,
	kAndroidToolTypeFinger);
	float raw_offset = -3.f;
	int pointer_count = 2;
	int history_size = 0;
	int action_index = -1;
	MotionEventAndroid event(
	base::android::AttachCurrentThread(), nullptr, kPixToDip, 0.f, 0.f, 0.f,
	event_time_ms, kAndroidActionDown, pointer_count, history_size,
	action_index, kAndroidActionButton, kAndroidButtonPrimary,
	kAndroidAltKeyDown, raw_offset, -raw_offset, false, &p0, &p1);

	EXPECT_EQ(MotionEvent::Action::DOWN, event.GetAction());
	EXPECT_EQ(event_time, event.GetEventTime());
	EXPECT_EQ(p0.pos_x_pixels * kPixToDip, event.GetX(0));
	EXPECT_EQ(p0.pos_y_pixels * kPixToDip, event.GetY(0));
	EXPECT_EQ(p1.pos_x_pixels * kPixToDip, event.GetX(1));
	EXPECT_EQ(p1.pos_y_pixels * kPixToDip, event.GetY(1));
	EXPECT_FLOAT_EQ((p0.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(0));
	EXPECT_FLOAT_EQ((p0.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(0));
	EXPECT_FLOAT_EQ((p1.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(1));
	EXPECT_FLOAT_EQ((p1.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(1));
	EXPECT_EQ(p0.touch_major_pixels * kPixToDip, event.GetTouchMajor(0));
	EXPECT_EQ(p1.touch_major_pixels * kPixToDip, event.GetTouchMajor(1));
	EXPECT_EQ(p0.touch_minor_pixels * kPixToDip, event.GetTouchMinor(0));
	EXPECT_EQ(p1.touch_minor_pixels * kPixToDip, event.GetTouchMinor(1));
	EXPECT_EQ(p0.orientation_rad, event.GetOrientation(0));
	EXPECT_EQ(p1.orientation_rad, event.GetOrientation(1));
	EXPECT_NEAR(p0.tilt_rad,
	ConvertToTiltRad(event.GetTiltX(0), event.GetTiltY(0)),
	float_error);
	EXPECT_NEAR(p1.tilt_rad,
	ConvertToTiltRad(event.GetTiltX(1), event.GetTiltY(1)),
	float_error);
	EXPECT_EQ(p0.id, event.GetPointerId(0));
	EXPECT_EQ(p1.id, event.GetPointerId(1));
	EXPECT_EQ(MotionEvent::ToolType::FINGER, event.GetToolType(0));
	EXPECT_EQ(MotionEvent::ToolType::FINGER, event.GetToolType(1));
	EXPECT_EQ(MotionEvent::BUTTON_PRIMARY, event.GetButtonState());
	EXPECT_EQ(ui::EF_ALT_DOWN \| ui::EF_LEFT_MOUSE_BUTTON, event.GetFlags());
	EXPECT_EQ(static_cast<size_t>(pointer_count), event.GetPointerCount());
	EXPECT_EQ(static_cast<size_t>(history_size), event.GetHistorySize());
	}

	TEST(MotionEventAndroidTest, Clone) {
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(base::TimeTicks());

	const int pointer_count = 1;
	MotionEventAndroid::Pointer p0(
	1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
	MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
	kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
	pointer_count, 0, 0, 0, 0, 0, 0, 0, false, &p0,
	nullptr);

	std::unique_ptr<MotionEvent> clone = event.Clone();
	EXPECT_EQ(ui::test::ToString(event), ui::test::ToString(*clone));
	}

	TEST(MotionEventAndroidTest, Cancel) {
	const int event_time_ms = 5;
	base::TimeTicks event_time =
	base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms);
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(event_time);

	const int pointer_count = 1;
	MotionEventAndroid::Pointer p0(
	1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
	MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
	kPixToDip, 0, 0, 0, event_time_ms,
	kAndroidActionDown, pointer_count, 0, 0, 0, 0, 0, 0,
	0, false, &p0, nullptr);

	std::unique_ptr<MotionEvent> cancel_event = event.Cancel();
	EXPECT_EQ(MotionEvent::Action::CANCEL, cancel_event->GetAction());
	EXPECT_EQ(event_time, cancel_event->GetEventTime());
	EXPECT_EQ(p0.pos_x_pixels * kPixToDip, cancel_event->GetX(0));
	EXPECT_EQ(p0.pos_y_pixels * kPixToDip, cancel_event->GetY(0));
	EXPECT_EQ(static_cast<size_t>(pointer_count),
	cancel_event->GetPointerCount());
	EXPECT_EQ(0U, cancel_event->GetHistorySize());
	}

	TEST(MotionEventAndroidTest, InvalidOrientationsSanitized) {
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(base::TimeTicks());

	int pointer_count = 2;
	float orientation0 = 1e10f;
	float orientation1 = std::numeric_limits<float>::quiet_NaN();
	MotionEventAndroid::Pointer p0(0, 0, 0, 0, 0, orientation0, 0, 0);
	MotionEventAndroid::Pointer p1(1, 0, 0, 0, 0, orientation1, 0, 0);
	MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
	kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
	pointer_count, 0, 0, 0, 0, 0, 0, 0, false, &p0, &p1);

	EXPECT_EQ(0.f, event.GetOrientation(0));
	EXPECT_EQ(0.f, event.GetOrientation(1));
	}

	TEST(MotionEventAndroidTest, NonEmptyHistoryForNonMoveEventsSanitized) {
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(base::TimeTicks());

	int pointer_count = 1;
	size_t history_size = 5;
	MotionEventAndroid::Pointer p0(0, 0, 0, 0, 0, 0, 0, 0);
	MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
	kPixToDip, 0, 0, 0, 0, kAndroidActionDown,
	pointer_count, history_size, 0, 0, 0, 0, 0, 0, false,
	&p0, nullptr);

	EXPECT_EQ(0U, event.GetHistorySize());
	}

	TEST(MotionEventAndroidTest, ActionIndexForPointerDown) {
	ui::test::ScopedEventTestTickClock clock;
	clock.SetNowTicks(base::TimeTicks());

	MotionEventAndroid::Pointer p0(
	1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, 0.2f, kAndroidToolTypeFinger);
	MotionEventAndroid::Pointer p1(
	2, -13.7f, 7.13f, 3.5f, 12.1f, -0.1f, -0.4f, kAndroidToolTypeFinger);
	int pointer_count = 2;
	int history_size = 0;
	int action_index = 1;
	MotionEventAndroid event(base::android::AttachCurrentThread(), nullptr,
	kPixToDip, 0, 0, 0, 0, kAndroidActionPointerDown,
	pointer_count, history_size, action_index, 0, 0, 0,
	0, 0, false, &p0, &p1);

	EXPECT_EQ(MotionEvent::Action::POINTER_DOWN, event.GetAction());
	EXPECT_EQ(action_index, event.GetActionIndex());
	}

	} // namespace content