1 files changed, 26 insertions, 0 deletions
diff --git a/robolectric/src/test/java/org/robolectric/shadows/NetworkSpecifierFactoryTest.java b/robolectric/src/test/java/org/robolectric/shadows/NetworkSpecifierFactoryTest.java
new file mode 100644
index 000000000..319d3763c
--- /dev/null
+++ b/robolectric/src/test/java/org/robolectric/shadows/NetworkSpecifierFactoryTest.java
@@ -0,0 +1,26 @@
+package org.robolectric.shadows;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.net.StringNetworkSpecifier;
+import android.os.Build;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.annotation.Config;
+
+@RunWith(AndroidJUnit4.class)
+@Config(minSdk = Build.VERSION_CODES.O)
+public final class NetworkSpecifierFactoryTest {
+
+  private static final String SUBSCRIPTION_ID_SPECIFIER = "1";
+  private static final String ETHERNET_SPECIFIER = "eth0";
+
+  @Test
+  public void newStringNetworkSpecifier() {
+    assertThat(NetworkSpecifierFactory.newStringNetworkSpecifier(SUBSCRIPTION_ID_SPECIFIER))
+        .isInstanceOf(StringNetworkSpecifier.class);
+    assertThat(NetworkSpecifierFactory.newStringNetworkSpecifier(ETHERNET_SPECIFIER))
+        .isInstanceOf(StringNetworkSpecifier.class);
+  }
+}