Add API coverage for SocketTagger
Bug: 220441043
Test: atest CtsLibcoreTestCases:libcore.dalvik.system.SocketTaggerTest
Change-Id: I1c788c09df57e443034c0df5a4b5df36bf9ba020
diff --git a/dalvik/src/test/java/libcore/dalvik/system/SocketTaggerTest.java b/dalvik/src/test/java/libcore/dalvik/system/SocketTaggerTest.java
new file mode 100644
index 0000000..16e17c9
--- /dev/null
+++ b/dalvik/src/test/java/libcore/dalvik/system/SocketTaggerTest.java
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2022 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 libcore.dalvik.system;
+
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertSame;
+
+import dalvik.system.SocketTagger;
+import java.io.FileDescriptor;
+import java.io.IOException;
+import java.net.DatagramSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public class SocketTaggerTest {
+
+ private static class MySocketTagger extends SocketTagger {
+
+ private FileDescriptor lastTaggedFd = null;
+ private FileDescriptor lastUntaggedFd = null;
+
+ @Override
+ public void tag(FileDescriptor fd) {
+ lastTaggedFd = fd;
+ }
+
+ @Override
+ public void untag(FileDescriptor fd) {
+ lastUntaggedFd = fd;
+ }
+ }
+
+ @Test
+ public void testTagDatagramSocket() throws SocketException {
+ MySocketTagger tagger = new MySocketTagger();
+ DatagramSocket socket = new DatagramSocket();
+ tagger.tag(socket);
+ assertSame(socket.getFileDescriptor$(), tagger.lastTaggedFd);
+
+ // Test closed socket
+ tagger = new MySocketTagger();
+ socket = new DatagramSocket();
+ socket.close();
+ tagger.tag(socket);
+ assertNull(tagger.lastTaggedFd);
+ }
+
+ @Test
+ public void testUntagDatagramSocket() throws SocketException {
+ MySocketTagger tagger = new MySocketTagger();
+ DatagramSocket socket = new DatagramSocket();
+ tagger.untag(socket);
+ assertSame(socket.getFileDescriptor$(), tagger.lastUntaggedFd);
+
+ // Test closed socket
+ tagger = new MySocketTagger();
+ socket = new DatagramSocket();
+ socket.close();
+ tagger.untag(socket);
+ assertNull(tagger.lastUntaggedFd);
+ }
+
+ @Test
+ public void testTagSocket() throws IOException {
+ MySocketTagger tagger = new MySocketTagger();
+ Socket socket = new Socket();
+ tagger.tag(socket);
+ assertSame(socket.getFileDescriptor$(), tagger.lastTaggedFd);
+
+ // Test closed socket
+ tagger = new MySocketTagger();
+ socket = new Socket();
+ socket.close();
+ tagger.tag(socket);
+ assertNull(tagger.lastTaggedFd);
+ }
+
+ @Test
+ public void testUntagSocket() throws IOException {
+ MySocketTagger tagger = new MySocketTagger();
+ Socket socket = new Socket();
+ tagger.untag(socket);
+ assertSame(socket.getFileDescriptor$(), tagger.lastUntaggedFd);
+
+ // Test closed socket
+ tagger = new MySocketTagger();
+ socket = new Socket();
+ socket.close();
+ tagger.untag(socket);
+ assertNull(tagger.lastUntaggedFd);
+ }
+
+ @Test
+ public void testSet() {
+ SocketTagger originalTagger = SocketTagger.get();
+
+ try {
+ SocketTagger myTagger = new MySocketTagger();
+ SocketTagger.set(myTagger);
+ assertSame(myTagger, SocketTagger.get());
+ } finally {
+ SocketTagger.set(originalTagger);
+ }
+ }
+}
