third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java

Index: third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java
diff --git a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java
index 88c3e0b2a37c273425b60ab9582fdd9ea8eb9679..254beba1bd7d10506f54f4eef1ca3ba0ceb75239 100644
--- a/third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java
+++ b/third_party/protobuf/java/core/src/test/java/com/google/protobuf/LiteTest.java
@@ -35,7 +35,6 @@ import static java.util.Collections.singletonList;
 
 import com.google.protobuf.UnittestImportLite.ImportEnumLite;
 import com.google.protobuf.UnittestImportPublicLite.PublicImportMessageLite;
-import com.google.protobuf.UnittestLite;
 import com.google.protobuf.UnittestLite.ForeignEnumLite;
 import com.google.protobuf.UnittestLite.ForeignMessageLite;
 import com.google.protobuf.UnittestLite.TestAllExtensionsLite;
@@ -52,15 +51,8 @@ import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.BarPrime;
 import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.Foo;
 import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.TestOneofEquals;
 import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.TestRecursiveOneof;
-
 import junit.framework.TestCase;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.NotSerializableException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-
 /**
  * Test lite runtime.
  *
@@ -139,7 +131,6 @@ public class LiteTest extends TestCase {
         UnittestLite.optionalNestedMessageExtensionLite).getBb());
   }
   
-  
   public void testClone() {
     TestAllTypesLite.Builder expected = TestAllTypesLite.newBuilder()
         .setOptionalInt32(123);
@@ -1630,7 +1621,7 @@ public class LiteTest extends TestCase {
       fail();
     } catch (InvalidProtocolBufferException expected) {}
   }
-  
+
   public void testMergeFrom_sanity() throws Exception {
     TestAllTypesLite one = TestUtilLite.getAllLiteSetBuilder().build();
     byte[] bytes = one.toByteArray();
@@ -1642,7 +1633,19 @@ public class LiteTest extends TestCase {
     assertEquals(two, one);
     assertEquals(one.hashCode(), two.hashCode());
   }
-  
+
+  public void testMergeFromNoLazyFieldSharing() throws Exception {
+    TestAllTypesLite.Builder sourceBuilder = TestAllTypesLite.newBuilder().setOptionalLazyMessage(
+        TestAllTypesLite.NestedMessage.newBuilder().setBb(1));
+    TestAllTypesLite.Builder targetBuilder =
+        TestAllTypesLite.newBuilder().mergeFrom(sourceBuilder.build());
+    assertEquals(1, sourceBuilder.getOptionalLazyMessage().getBb());
+    // now change the sourceBuilder, and target value shouldn't be affected.
+    sourceBuilder.setOptionalLazyMessage(
+        TestAllTypesLite.NestedMessage.newBuilder().setBb(2));
+    assertEquals(1, targetBuilder.getOptionalLazyMessage().getBb());
+  }
+
   public void testEquals_notEqual() throws Exception {
     TestAllTypesLite one = TestUtilLite.getAllLiteSetBuilder().build();
     byte[] bytes = one.toByteArray();
@@ -2202,6 +2205,21 @@ public class LiteTest extends TestCase {
     assertEqualsAndHashCodeAreFalse(fooWithOnlyValue, fooWithValueAndUnknownFields);
     assertEqualsAndHashCodeAreFalse(fooWithValueAndExtension, fooWithValueAndUnknownFields);
   }
+
+  public void testEqualsAndHashCodeWithExtensions() throws InvalidProtocolBufferException {
+    Foo fooWithOnlyValue = Foo.newBuilder()
+        .setValue(1)
+        .build();
+
+    Foo fooWithValueAndExtension = fooWithOnlyValue.toBuilder()
+        .setValue(1)
+        .setExtension(Bar.fooExt, Bar.newBuilder()
+            .setName("name")
+            .build())
+        .build();
+
+    assertEqualsAndHashCodeAreFalse(fooWithOnlyValue, fooWithValueAndExtension);
+  }
   
   // Test to ensure we avoid a class cast exception with oneofs.
   public void testEquals_oneOfMessages() {