Add Tests for Session and infinite recursion
Bug: 139045282
Test: atest TelecomUnitTests:SessionTest
Change-Id: I46282cf77ba3a80f892305262f97f16d1fa5a96a
diff --git a/tests/src/com/android/server/telecom/tests/SessionTest.java b/tests/src/com/android/server/telecom/tests/SessionTest.java
new file mode 100644
index 0000000..7957a28
--- /dev/null
+++ b/tests/src/com/android/server/telecom/tests/SessionTest.java
@@ -0,0 +1,67 @@
+/*
+ * 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 com.android.server.telecom.tests;
+
+import static junit.framework.Assert.fail;
+
+import android.telecom.Logging.Session;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Unit tests for android.telecom.Logging.Session
+ */
+
+@RunWith(JUnit4.class)
+public class SessionTest {
+
+ /**
+ * Ensure creating two sessions that are parent/child of each other does not lead to a crash
+ * or infinite recursion.
+ */
+ @SmallTest
+ @Test
+ public void testRecursion() {
+ Session parentSession = createTestSession("parent", "p");
+ Session childSession = createTestSession("child", "c");
+ parentSession.addChild(childSession);
+ parentSession.setParentSession(childSession);
+ childSession.addChild(parentSession);
+ childSession.setParentSession(parentSession);
+
+ // Make sure calling these methods does not result in a crash
+ try {
+ parentSession.printFullSessionTree();
+ childSession.printFullSessionTree();
+ parentSession.getFullMethodPath(false);
+ childSession.getFullMethodPath(false);
+ parentSession.toString();
+ childSession.toString();
+ Session.Info.getInfo(parentSession);
+ Session.Info.getInfo(childSession);
+ } catch (Exception e) {
+ fail();
+ }
+ }
+
+ private Session createTestSession(String name, String methodName) {
+ return new Session(name, methodName, 0, false, null);
+ }
+}
