Factorize custom asserts.

Also a few utilities that were in the way, and some opportunistic
cleanups.

Test: FrameworksNetTest NetworkStackTest
Change-Id: I385070e2044fd967cb18f1ffea9a86a4627b742e

tests/net/java/android/app/usage/NetworkStatsManagerTest.java

@@ -202,8 +202,7 @@ public class NetworkStatsManagerTest {
         assertFalse(stats.hasNextBucket());
     }
 
-    private void assertBucketMatches(Entry expected,
-            NetworkStats.Bucket actual) {
+    private void assertBucketMatches(Entry expected, NetworkStats.Bucket actual) {
         assertEquals(expected.uid, actual.getUid());
         assertEquals(expected.rxBytes, actual.getRxBytes());
         assertEquals(expected.rxPackets, actual.getRxPackets());

tests/net/java/android/net/IpSecConfigTest.java

@@ -16,12 +16,12 @@
 
 package android.net;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static com.android.testutils.ParcelUtilsKt.assertParcelSane;
+import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
 
-import android.os.Parcel;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertNull;
 
 import androidx.test.filters.SmallTest;
 
@@ -89,23 +89,15 @@ public class IpSecConfigTest {
         IpSecConfig original = getSampleConfig();
         IpSecConfig copy = new IpSecConfig(original);
 
-        assertTrue(IpSecConfig.equals(original, copy));
-        assertFalse(original == copy);
+        assertEquals(original, copy);
+        assertNotSame(original, copy);
     }
 
     @Test
-    public void testParcelUnparcel() throws Exception {
+    public void testParcelUnparcel() {
         assertParcelingIsLossless(new IpSecConfig());
 
         IpSecConfig c = getSampleConfig();
-        assertParcelingIsLossless(c);
-    }
-
-    private void assertParcelingIsLossless(IpSecConfig ci) throws Exception {
-        Parcel p = Parcel.obtain();
-        ci.writeToParcel(p, 0);
-        p.setDataPosition(0);
-        IpSecConfig co = IpSecConfig.CREATOR.createFromParcel(p);
-        assertTrue(IpSecConfig.equals(co, ci));
+        assertParcelSane(c, 15);
     }
 }

tests/net/java/android/net/IpSecTransformTest.java

@@ -16,8 +16,8 @@
 
 package android.net;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 
 import androidx.test.filters.SmallTest;
 
@@ -43,7 +43,7 @@ public class IpSecTransformTest {
         config.setSpiResourceId(1985);
         IpSecTransform postModification = new IpSecTransform(null, config);
 
-        assertFalse(IpSecTransform.equals(preModification, postModification));
+        assertNotEquals(preModification, postModification);
     }
 
     @Test
@@ -57,6 +57,6 @@ public class IpSecTransformTest {
         IpSecTransform config1 = new IpSecTransform(null, config);
         IpSecTransform config2 = new IpSecTransform(null, config);
 
-        assertTrue(IpSecTransform.equals(config1, config2));
+        assertEquals(config1, config2);
     }
 }

tests/net/java/android/net/TcpKeepalivePacketDataTest.java

@@ -16,14 +16,14 @@
 
 package android.net;
 
+import static com.android.testutils.ParcelUtilsKt.assertParcelingIsLossless;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
 import android.net.SocketKeepalive.InvalidPacketException;
 
-import com.android.internal.util.TestUtils;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -79,7 +79,7 @@ public final class TcpKeepalivePacketDataTest {
         assertEquals(testInfo.tos, resultData.ipTos);
         assertEquals(testInfo.ttl, resultData.ipTtl);
 
-        TestUtils.assertParcelingIsLossless(resultData);
+        assertParcelingIsLossless(resultData);
 
         final byte[] packet = resultData.getPacket();
         // IP version and IHL