1 files changed, 68 insertions, 0 deletions
diff --git a/tests/cts/permission/src/android/permission/cts/MainlineNetworkStackPermissionTest.java b/tests/cts/permission/src/android/permission/cts/MainlineNetworkStackPermissionTest.java
new file mode 100644
index 000000000..adac0befa
--- /dev/null
+++ b/tests/cts/permission/src/android/permission/cts/MainlineNetworkStackPermissionTest.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.permission.cts;
+
+import static android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.fail;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PermissionInfo;
+import android.platform.test.annotations.AppModeFull;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class MainlineNetworkStackPermissionTest{
+    private final Context mContext = InstrumentationRegistry.getContext();
+
+    /**
+     * Test that a package defining android.permission.MAINLINE_NETWORK_STACK is installed,
+     * and is a system package
+     */
+    @Test
+    @AppModeFull(reason = "Instant apps cannot access PackageManager#getPermissionInfo")
+    public void testPackageWithMainlineNetworkStackPermission() throws Exception {
+        final PackageManager packageManager = mContext.getPackageManager();
+        assertNotNull("Unable to find PackageManager.", packageManager);
+
+        final PermissionInfo permissioninfo =
+                packageManager.getPermissionInfo(PERMISSION_MAINLINE_NETWORK_STACK, 0);
+        assertNotNull("Network stack permission is not defined.", permissioninfo);
+
+        PackageInfo packageInfo = packageManager.getPackageInfo(permissioninfo.packageName,
+                PackageManager.MATCH_SYSTEM_ONLY | PackageManager.GET_PERMISSIONS);
+        assertNotNull("Package defining the network stack permission is not a system package.",
+                packageInfo.permissions);
+
+        for (PermissionInfo permission : packageInfo.permissions) {
+            if (PERMISSION_MAINLINE_NETWORK_STACK.equals(permission.name)) {
+                return;
+            }
+        }
+
+        fail("Expect a system package defining " + PERMISSION_MAINLINE_NETWORK_STACK
+                + " is installed.");
+    }
+}