[android] invalidate camera when setting a padding

1 files changed, 41 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/maps/MapboxMapInstrumentationTest.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/maps/MapboxMapInstrumentationTest.kt
new file mode 100644
index 0000000000..e93f54161e
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/maps/MapboxMapInstrumentationTest.kt
@@ -0,0 +1,41 @@
+package com.mapbox.mapboxsdk.maps
+
+import android.graphics.PointF
+import android.support.test.runner.AndroidJUnit4
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory
+import com.mapbox.mapboxsdk.geometry.LatLng
+import com.mapbox.mapboxsdk.testapp.activity.BaseTest
+import com.mapbox.mapboxsdk.testapp.activity.espresso.DeviceIndependentTestActivity
+import org.junit.Assert.assertArrayEquals
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class MapboxMapInstrumentationTest : BaseTest() {
+
+  override fun getActivityClass(): Class<*> {
+    return DeviceIndependentTestActivity::class.java
+  }
+
+  @Test
+  fun setPadding_cameraInvalidated() {
+    rule.runOnUiThread {
+      mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(LatLng(0.0, 0.0), 10.0))
+      val initialCameraPosition = mapboxMap.cameraPosition
+      val initialPoint = mapboxMap.projection.toScreenLocation(initialCameraPosition.target)
+
+      val bottomPadding = mapView.height / 4
+      val leftPadding = mapView.width / 4
+      mapboxMap.setPadding(leftPadding, 0, 0, bottomPadding)
+
+      val resultingCameraPosition = mapboxMap.cameraPosition
+      assertArrayEquals(intArrayOf(leftPadding, 0, 0, bottomPadding), mapboxMap.padding)
+      assertEquals(initialCameraPosition, resultingCameraPosition)
+      assertEquals(
+        PointF(initialPoint.x + leftPadding / 2, initialPoint.y - bottomPadding / 2),
+        mapboxMap.projection.toScreenLocation(resultingCameraPosition.target)
+      )
+    }
+  }
+}
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