Merge "Unignoring tests and fixing FakeMotionEvent" into main

import androidx.test.filters.SmallTest

import com.android.systemui.SysuiTestCase

import com.google.common.truth.Truth.assertThat

import org.junit.Ignore

import org.junit.Test

import org.junit.runner.RunWith

@Ignore

@SmallTest

@RunWith(AndroidJUnit4::class)

class BackGestureMonitorTest : SysuiTestCase() {

import android.view.MotionEvent

import android.view.MotionEvent.CLASSIFICATION_NONE

import android.view.MotionEvent.TOOL_TYPE_FINGER

import java.lang.reflect.Method

import org.mockito.kotlin.doNothing

import org.mockito.kotlin.doReturn

import org.mockito.kotlin.spy

import org.mockito.kotlin.whenever

fun motionEvent(

    action: Int,

    val event =

        MotionEvent.obtain(/* downTime= */ 0, /* eventTime= */ 0, action, x, y, /* metaState= */ 0)

    event.source = source

    return spy<MotionEvent>(event) {

    val spy =

        spy<MotionEvent>(event) {

            on { getToolType(0) } doReturn toolType

            on { getPointerCount() } doReturn pointerCount

            axisValues.forEach { (key, value) -> on { getAxisValue(key) } doReturn value }

            on { getClassification() } doReturn classification

        }

    ensureFinalizeIsNotCalledTwice(spy)

    return spy

}

private fun ensureFinalizeIsNotCalledTwice(spy: MotionEvent) {

    // Spy in mockito will create copy of the spied object, copying all its field etc. Here it means

    // we create copy of MotionEvent and its mNativePtr, so we have two separate objects of type

    // MotionEvents with the same mNativePtr. That breaks because MotionEvent has custom finalize()

    // method which goes to native code and tries to delete the reference from mNativePtr. It works

    // first time but second time reference is already deleted and it breaks. That's why we have to

    // avoid calling finalize twice

    doNothing().whenever(spy).finalizeUsingReflection()

}

private fun MotionEvent.finalizeUsingReflection() {

    val finalizeMethod: Method = MotionEvent::class.java.getDeclaredMethod("finalize")

    finalizeMethod.isAccessible = true

    finalizeMethod.invoke(this)

}

fun touchpadEvent(

import com.android.systemui.SysuiTestCase

import com.android.systemui.touchpad.tutorial.ui.gesture.TouchpadGesture.BACK

import com.google.common.truth.Truth.assertThat

import org.junit.Ignore

import org.junit.Test

import org.junit.runner.RunWith

@Ignore

@SmallTest

@RunWith(AndroidJUnit4::class)

class TouchpadGestureHandlerTest : SysuiTestCase() {