[android] add reproducible invalid reference test

1 files changed, 71 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/style/StyleDetachTest.kt b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/style/StyleDetachTest.kt
new file mode 100644
index 0000000000..cbfca53163
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/style/StyleDetachTest.kt
@@ -0,0 +1,71 @@
+package com.mapbox.mapboxsdk.style
+
+import android.os.Handler
+import android.os.Looper
+import android.support.test.rule.ActivityTestRule
+import android.support.test.runner.AndroidJUnit4
+import com.mapbox.mapboxsdk.log.Logger
+import com.mapbox.mapboxsdk.maps.MapboxMap
+import com.mapbox.mapboxsdk.maps.Style
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource
+import com.mapbox.mapboxsdk.testapp.activity.espresso.EspressoTestActivity
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import java.util.*
+import java.util.concurrent.CountDownLatch
+import java.util.concurrent.TimeUnit
+import java.util.concurrent.TimeoutException
+import kotlin.concurrent.schedule
+
+/**
+ * Test to validate weak reference setup
+ */
+@RunWith(AndroidJUnit4::class)
+class StyleDetachTest {
+
+  @Rule
+  @JvmField
+  var rule = ActivityTestRule(EspressoTestActivity::class.java)
+
+  private val countDownLatch = CountDownLatch(1)
+  private val handler = Handler(Looper.getMainLooper())
+
+  @Test
+  fun styleDetachTest() {
+    rule.activity.apply {
+      runOnUiThread {
+        mapView.getMapAsync {
+          setupStyle(it)
+        }
+      }
+    }
+
+    if (!countDownLatch.await(15, TimeUnit.SECONDS)) {
+      throw TimeoutException()
+    }
+  }
+
+  fun setupStyle(map: MapboxMap) {
+    val source = GeoJsonSource("id")
+    Timer().schedule(200, 500) {
+      Logger.e(TAG, "Update geojson")
+      handler.post { source.setGeoJson("") }
+    }
+
+    map.setStyle(Style.Builder().fromUri(Style.MAPBOX_STREETS).withSource(source)) {
+      handler.postDelayed({
+        Logger.e(TAG, "Set new style")
+        map.setStyle(Style.SATELLITE)
+        Handler().postDelayed({
+          Logger.e(TAG, "End test")
+          countDownLatch.countDown()
+        }, 2000)
+      }, 1000)
+    }
+  }
+
+  companion object {
+    const val TAG = "StyleDetachTest"
+  }
+}
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