Merge "APIs to profile network usage for current UID."
diff --git a/core/tests/coretests/src/android/net/NetworkStatsTest.java b/core/tests/coretests/src/android/net/NetworkStatsTest.java
new file mode 100644
index 0000000..45719c2
--- /dev/null
+++ b/core/tests/coretests/src/android/net/NetworkStatsTest.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2011 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.net;
+
+import android.os.SystemClock;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import junit.framework.TestCase;
+
+@SmallTest
+public class NetworkStatsTest extends TestCase {
+
+ private static final String TEST_IFACE = "test0";
+
+ public void testFindIndex() throws Exception {
+ final NetworkStats stats = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 3)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024)
+ .addEntry(TEST_IFACE, 102, 1024, 1024).build();
+
+ assertEquals(2, stats.findIndex(TEST_IFACE, 102));
+ assertEquals(2, stats.findIndex(TEST_IFACE, 102));
+ assertEquals(0, stats.findIndex(TEST_IFACE, 100));
+ assertEquals(-1, stats.findIndex(TEST_IFACE, 6));
+ }
+
+ public void testSubtractIdenticalData() throws Exception {
+ final NetworkStats before = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 2)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024).build();
+
+ final NetworkStats after = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 2)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024).build();
+
+ final NetworkStats result = after.subtract(before);
+
+ assertEquals(0, result.rx[0]);
+ assertEquals(0, result.tx[0]);
+ assertEquals(0, result.rx[1]);
+ assertEquals(0, result.tx[1]);
+ }
+
+ public void testSubtractIdenticalRows() throws Exception {
+ final NetworkStats before = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 2)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024).build();
+
+ final NetworkStats after = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 2)
+ .addEntry(TEST_IFACE, 100, 1025, 2)
+ .addEntry(TEST_IFACE, 101, 3, 1028).build();
+
+ final NetworkStats result = after.subtract(before);
+
+ // expect delta between measurements
+ assertEquals(1, result.rx[0]);
+ assertEquals(2, result.tx[0]);
+ assertEquals(3, result.rx[1]);
+ assertEquals(4, result.tx[1]);
+ }
+
+ public void testSubtractNewRows() throws Exception {
+ final NetworkStats before = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 2)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024).build();
+
+ final NetworkStats after = new NetworkStats.Builder(SystemClock.elapsedRealtime(), 3)
+ .addEntry(TEST_IFACE, 100, 1024, 0)
+ .addEntry(TEST_IFACE, 101, 0, 1024)
+ .addEntry(TEST_IFACE, 102, 1024, 1024).build();
+
+ final NetworkStats result = after.subtract(before);
+
+ // its okay to have new rows
+ assertEquals(0, result.rx[0]);
+ assertEquals(0, result.tx[0]);
+ assertEquals(0, result.rx[1]);
+ assertEquals(0, result.tx[1]);
+ assertEquals(1024, result.rx[2]);
+ assertEquals(1024, result.tx[2]);
+ }
+
+}