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package com.mapbox.mapboxsdk.maps
import android.graphics.PointF
import android.util.Pair
import com.mapbox.mapboxsdk.geometry.LatLng
import com.mapbox.mapboxsdk.geometry.LatLngBounds
import com.mapbox.mapboxsdk.maps.MapGestureDetector.BOUND_REPEL_RATIO
import com.mapbox.mapboxsdk.utils.MathUtils
import io.mockk.every
import io.mockk.mockk
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner
@RunWith(RobolectricTestRunner::class)
class MapGestureDetectorTest {
companion object {
private val BOUNDS = LatLngBounds.Builder()
.include(LatLng(10.0, -10.0))
.include(LatLng(-10.0, 10.0))
.build()
}
private lateinit var mapGestureDetector: MapGestureDetector
private lateinit var transform: Transform
private lateinit var projection: Projection
private lateinit var uiSettings: UiSettings
@Before
fun setup() {
transform = mockk(relaxed = true)
projection = mockk(relaxed = true)
uiSettings = mockk(relaxed = true)
mapGestureDetector = MapGestureDetector(transform, projection, uiSettings, mockk(), mockk(), mockk())
}
@Test
fun limitedOffset_returnWhenCenterOutside() {
val outsideCoordinate = LatLng(25.0, 0.0)
every { transform.getCenterCoordinate(false) } answers { outsideCoordinate }
val limitedOffset =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 0f, 0f)
assertNull(limitedOffset)
}
@Test
fun limitedOffset_returnWhenWholeWorld() {
val coordinate = LatLng(25.0, 0.0)
every { transform.getCenterCoordinate(false) } answers { coordinate }
val limitedOffset =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, LatLngBounds.world(), 0f, 0f)
assertNull(limitedOffset)
}
@Test
fun limitedOffset_referencePixelRepelledOfBound() {
val coordinate = LatLng(10.0, 0.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(100f, 200f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(-100f, 300f)
every { projection.toScreenLocationRaw(BOUNDS.center) } answers { boundsCenterPoint }
val expected = PointF(
referencePixel.x + (boundsCenterPoint.x - referencePixel.x) / BOUND_REPEL_RATIO,
referencePixel.y + (boundsCenterPoint.y - referencePixel.y) / BOUND_REPEL_RATIO)
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 0f, 0f)
assertEquals(expected.x, referencePixel.x)
assertEquals(expected.y, referencePixel.y)
}
@Test
fun limitedOffset_noIntersection() {
val coordinate = LatLng(1.0, -1.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(50f, 50f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(100f, 100f)
every { projection.toScreenLocationRaw(BOUNDS.center) } returns boundsCenterPoint
every { projection.toScreenLocationRaw(BOUNDS.northWest) } returns PointF(0f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.northEast) } returns PointF(200f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.southEast) } returns PointF(200f, 200f)
every { projection.toScreenLocationRaw(BOUNDS.southWest) } returns PointF(0f, 200f)
val acceptableVector =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 25f, 30f)
val target = PointF(referencePixel.x + 25f, referencePixel.y + 30f)
assertEquals(Pair(target.x - referencePixel.x, target.y - referencePixel.y), acceptableVector)
}
@Test
fun limitedOffset_northIntersection() {
val coordinate = LatLng(1.0, -1.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(50f, 50f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(100f, 100f)
every { projection.toScreenLocationRaw(BOUNDS.center) } returns boundsCenterPoint
every { projection.toScreenLocationRaw(BOUNDS.northWest) } returns PointF(0f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.northEast) } returns PointF(200f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.southEast) } returns PointF(200f, 200f)
every { projection.toScreenLocationRaw(BOUNDS.southWest) } returns PointF(0f, 200f)
val acceptableVector =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 25f, -200f)
val target = PointF(referencePixel.x + 25f, referencePixel.y - 200f)
val closestPoint = MathUtils.findSegmentsIntersection(
referencePixel,
target,
projection.toScreenLocationRaw(BOUNDS.northWest),
projection.toScreenLocationRaw(BOUNDS.northEast)
)
assertEquals(Pair(closestPoint!!.x - referencePixel.x, closestPoint.y - referencePixel.y), acceptableVector)
}
@Test
fun limitedOffset_eastIntersection() {
val coordinate = LatLng(1.0, -1.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(50f, 50f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(100f, 100f)
every { projection.toScreenLocationRaw(BOUNDS.center) } returns boundsCenterPoint
every { projection.toScreenLocationRaw(BOUNDS.northWest) } returns PointF(0f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.northEast) } returns PointF(200f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.southEast) } returns PointF(200f, 200f)
every { projection.toScreenLocationRaw(BOUNDS.southWest) } returns PointF(0f, 200f)
val acceptableVector =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 200f, 25f)
val target = PointF(referencePixel.x + 200f, referencePixel.y + 25f)
val closestPoint = MathUtils.findSegmentsIntersection(
referencePixel,
target,
projection.toScreenLocationRaw(BOUNDS.northEast),
projection.toScreenLocationRaw(BOUNDS.southEast)
)
assertEquals(Pair(closestPoint!!.x - referencePixel.x, closestPoint.y - referencePixel.y), acceptableVector)
}
@Test
fun limitedOffset_southIntersection() {
val coordinate = LatLng(1.0, -1.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(50f, 50f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(100f, 100f)
every { projection.toScreenLocationRaw(BOUNDS.center) } returns boundsCenterPoint
every { projection.toScreenLocationRaw(BOUNDS.northWest) } returns PointF(0f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.northEast) } returns PointF(200f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.southEast) } returns PointF(200f, 200f)
every { projection.toScreenLocationRaw(BOUNDS.southWest) } returns PointF(0f, 200f)
val acceptableVector =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, 25f, 200f)
val target = PointF(referencePixel.x + 25f, referencePixel.y + 200f)
val closestPoint = MathUtils.findSegmentsIntersection(
referencePixel,
target,
projection.toScreenLocationRaw(BOUNDS.southEast),
projection.toScreenLocationRaw(BOUNDS.southWest)
)
assertEquals(Pair(closestPoint!!.x - referencePixel.x, closestPoint.y - referencePixel.y), acceptableVector)
}
@Test
fun limitedOffset_westIntersection() {
val coordinate = LatLng(1.0, -1.0)
every { transform.getCenterCoordinate(false) } returns coordinate
val referencePixel = PointF(50f, 50f)
every { projection.toScreenLocationRaw(coordinate) } returns referencePixel
val boundsCenterPoint = PointF(100f, 100f)
every { projection.toScreenLocationRaw(BOUNDS.center) } returns boundsCenterPoint
every { projection.toScreenLocationRaw(BOUNDS.northWest) } returns PointF(0f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.northEast) } returns PointF(200f, 0f)
every { projection.toScreenLocationRaw(BOUNDS.southEast) } returns PointF(200f, 200f)
every { projection.toScreenLocationRaw(BOUNDS.southWest) } returns PointF(0f, 200f)
val acceptableVector =
MapGestureDetector.findBoundsLimitedOffset(projection, transform, BOUNDS, -200f, 25f)
val target = PointF(referencePixel.x - 200f, referencePixel.y + 25f)
val closestPoint = MathUtils.findSegmentsIntersection(
referencePixel,
target,
projection.toScreenLocationRaw(BOUNDS.southWest),
projection.toScreenLocationRaw(BOUNDS.northWest)
)
assertEquals(Pair(closestPoint!!.x - referencePixel.x, closestPoint.y - referencePixel.y), acceptableVector)
}
}
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