1 files changed, 23 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/DisplayTest.kt b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/DisplayTest.kt
new file mode 100644
index 0000000000..86c8e9cac6
--- /dev/null
+++ b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/DisplayTest.kt
@@ -0,0 +1,23 @@
+package org.mozilla.geckoview.test
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import org.hamcrest.Matchers.* // ktlint-disable no-wildcard-imports
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class DisplayTest : BaseSessionTest() {
+
+    @Test(expected = IllegalStateException::class)
+    fun doubleAcquire() {
+        val display = mainSession.acquireDisplay()
+        assertThat("Display should not be null", display, notNullValue())
+        try {
+            mainSession.acquireDisplay()
+        } finally {
+            mainSession.releaseDisplay(display)
+        }
+    }
+}