Pull new version of protobuf sources.

third_party/protobuf/java/src/test/java/com/google/protobuf/DynamicMessageTest.java

Index: third_party/protobuf/java/src/test/java/com/google/protobuf/DynamicMessageTest.java
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/DynamicMessageTest.java b/third_party/protobuf/java/src/test/java/com/google/protobuf/DynamicMessageTest.java
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+++ b/third_party/protobuf/java/src/test/java/com/google/protobuf/DynamicMessageTest.java
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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package com.google.protobuf;
+
+import com.google.protobuf.Descriptors.EnumDescriptor;
+import com.google.protobuf.Descriptors.FieldDescriptor;
+import com.google.protobuf.Descriptors.OneofDescriptor;
+
+import protobuf_unittest.UnittestProto.TestAllExtensions;
+import protobuf_unittest.UnittestProto.TestAllTypes;
+import protobuf_unittest.UnittestProto.TestEmptyMessage;
+import protobuf_unittest.UnittestProto.TestPackedTypes;
+
+import junit.framework.TestCase;
+import java.util.Arrays;
+
+/**
+ * Unit test for {@link DynamicMessage}.  See also {@link MessageTest}, which
+ * tests some {@link DynamicMessage} functionality.
+ *
+ * @author kenton@google.com Kenton Varda
+ */
+public class DynamicMessageTest extends TestCase {
+  TestUtil.ReflectionTester reflectionTester =
+    new TestUtil.ReflectionTester(TestAllTypes.getDescriptor(), null);
+
+  TestUtil.ReflectionTester extensionsReflectionTester =
+    new TestUtil.ReflectionTester(TestAllExtensions.getDescriptor(),
+                                  TestUtil.getExtensionRegistry());
+  TestUtil.ReflectionTester packedReflectionTester =
+    new TestUtil.ReflectionTester(TestPackedTypes.getDescriptor(), null);
+
+  public void testDynamicMessageAccessors() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.setAllFieldsViaReflection(builder);
+    Message message = builder.build();
+    reflectionTester.assertAllFieldsSetViaReflection(message);
+  }
+
+  public void testSettersAfterBuild() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    Message firstMessage = builder.build();
+    // double build()
+    builder.build();
+    // clear() after build()
+    builder.clear();
+    // setters after build()
+    reflectionTester.setAllFieldsViaReflection(builder);
+    Message message = builder.build();
+    reflectionTester.assertAllFieldsSetViaReflection(message);
+    // repeated setters after build()
+    reflectionTester.modifyRepeatedFieldsViaReflection(builder);
+    message = builder.build();
+    reflectionTester.assertRepeatedFieldsModifiedViaReflection(message);
+    // firstMessage shouldn't have been modified.
+    reflectionTester.assertClearViaReflection(firstMessage);
+  }
+
+  public void testUnknownFields() throws Exception {
+    Message.Builder builder =
+        DynamicMessage.newBuilder(TestEmptyMessage.getDescriptor());
+    builder.setUnknownFields(UnknownFieldSet.newBuilder()
+        .addField(1, UnknownFieldSet.Field.newBuilder().addVarint(1).build())
+        .addField(2, UnknownFieldSet.Field.newBuilder().addFixed32(1).build())
+        .build());
+    Message message = builder.build();
+    assertEquals(2, message.getUnknownFields().asMap().size());
+    // clone() with unknown fields
+    Message.Builder newBuilder = builder.clone();
+    assertEquals(2, newBuilder.getUnknownFields().asMap().size());
+    // clear() with unknown fields
+    newBuilder.clear();
+    assertTrue(newBuilder.getUnknownFields().asMap().isEmpty());
+    // serialize/parse with unknown fields
+    newBuilder.mergeFrom(message.toByteString());
+    assertEquals(2, newBuilder.getUnknownFields().asMap().size());
+  }
+
+  public void testDynamicMessageSettersRejectNull() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.assertReflectionSettersRejectNull(builder);
+  }
+
+  public void testDynamicMessageExtensionAccessors() throws Exception {
+    // We don't need to extensively test DynamicMessage's handling of
+    // extensions because, frankly, it doesn't do anything special with them.
+    // It treats them just like any other fields.
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllExtensions.getDescriptor());
+    extensionsReflectionTester.setAllFieldsViaReflection(builder);
+    Message message = builder.build();
+    extensionsReflectionTester.assertAllFieldsSetViaReflection(message);
+  }
+
+  public void testDynamicMessageExtensionSettersRejectNull() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllExtensions.getDescriptor());
+    extensionsReflectionTester.assertReflectionSettersRejectNull(builder);
+  }
+
+  public void testDynamicMessageRepeatedSetters() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.setAllFieldsViaReflection(builder);
+    reflectionTester.modifyRepeatedFieldsViaReflection(builder);
+    Message message = builder.build();
+    reflectionTester.assertRepeatedFieldsModifiedViaReflection(message);
+  }
+
+  public void testDynamicMessageRepeatedSettersRejectNull() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.assertReflectionRepeatedSettersRejectNull(builder);
+  }
+
+  public void testDynamicMessageDefaults() throws Exception {
+    reflectionTester.assertClearViaReflection(
+      DynamicMessage.getDefaultInstance(TestAllTypes.getDescriptor()));
+    reflectionTester.assertClearViaReflection(
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor()).build());
+  }
+
+  public void testDynamicMessageSerializedSize() throws Exception {
+    TestAllTypes message = TestUtil.getAllSet();
+
+    Message.Builder dynamicBuilder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.setAllFieldsViaReflection(dynamicBuilder);
+    Message dynamicMessage = dynamicBuilder.build();
+
+    assertEquals(message.getSerializedSize(),
+                 dynamicMessage.getSerializedSize());
+  }
+
+  public void testDynamicMessageSerialization() throws Exception {
+    Message.Builder builder =
+      DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.setAllFieldsViaReflection(builder);
+    Message message = builder.build();
+
+    ByteString rawBytes = message.toByteString();
+    TestAllTypes message2 = TestAllTypes.parseFrom(rawBytes);
+
+    TestUtil.assertAllFieldsSet(message2);
+
+    // In fact, the serialized forms should be exactly the same, byte-for-byte.
+    assertEquals(TestUtil.getAllSet().toByteString(), rawBytes);
+  }
+
+  public void testDynamicMessageParsing() throws Exception {
+    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
+    TestUtil.setAllFields(builder);
+    TestAllTypes message = builder.build();
+
+    ByteString rawBytes = message.toByteString();
+
+    Message message2 =
+      DynamicMessage.parseFrom(TestAllTypes.getDescriptor(), rawBytes);
+    reflectionTester.assertAllFieldsSetViaReflection(message2);
+
+    // Test Parser interface.
+    Message message3 = message2.getParserForType().parseFrom(rawBytes);
+    reflectionTester.assertAllFieldsSetViaReflection(message3);
+  }
+
+  public void testDynamicMessageExtensionParsing() throws Exception {
+    ByteString rawBytes = TestUtil.getAllExtensionsSet().toByteString();
+    Message message = DynamicMessage.parseFrom(
+        TestAllExtensions.getDescriptor(), rawBytes,
+        TestUtil.getExtensionRegistry());
+    extensionsReflectionTester.assertAllFieldsSetViaReflection(message);
+
+    // Test Parser interface.
+    Message message2 = message.getParserForType().parseFrom(
+        rawBytes, TestUtil.getExtensionRegistry());
+    extensionsReflectionTester.assertAllFieldsSetViaReflection(message2);
+  }
+
+  public void testDynamicMessagePackedSerialization() throws Exception {
+    Message.Builder builder =
+        DynamicMessage.newBuilder(TestPackedTypes.getDescriptor());
+    packedReflectionTester.setPackedFieldsViaReflection(builder);
+    Message message = builder.build();
+
+    ByteString rawBytes = message.toByteString();
+    TestPackedTypes message2 = TestPackedTypes.parseFrom(rawBytes);
+
+    TestUtil.assertPackedFieldsSet(message2);
+
+    // In fact, the serialized forms should be exactly the same, byte-for-byte.
+    assertEquals(TestUtil.getPackedSet().toByteString(), rawBytes);
+  }
+
+  public void testDynamicMessagePackedParsing() throws Exception {
+    TestPackedTypes.Builder builder = TestPackedTypes.newBuilder();
+    TestUtil.setPackedFields(builder);
+    TestPackedTypes message = builder.build();
+
+    ByteString rawBytes = message.toByteString();
+
+    Message message2 =
+      DynamicMessage.parseFrom(TestPackedTypes.getDescriptor(), rawBytes);
+    packedReflectionTester.assertPackedFieldsSetViaReflection(message2);
+
+    // Test Parser interface.
+    Message message3 = message2.getParserForType().parseFrom(rawBytes);
+    packedReflectionTester.assertPackedFieldsSetViaReflection(message3);
+  }
+
+  public void testDynamicMessageCopy() throws Exception {
+    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
+    TestUtil.setAllFields(builder);
+    TestAllTypes message = builder.build();
+
+    DynamicMessage copy = DynamicMessage.newBuilder(message).build();
+    reflectionTester.assertAllFieldsSetViaReflection(copy);
+
+    // Test oneof behavior
+    FieldDescriptor bytesField =
+        TestAllTypes.getDescriptor().findFieldByName("oneof_bytes");
+    FieldDescriptor uint32Field =
+        TestAllTypes.getDescriptor().findFieldByName("oneof_uint32");
+    assertTrue(copy.hasField(bytesField));
+    assertFalse(copy.hasField(uint32Field));
+    DynamicMessage copy2 =
+        DynamicMessage.newBuilder(message).setField(uint32Field, 123).build();
+    assertFalse(copy2.hasField(bytesField));
+    assertTrue(copy2.hasField(uint32Field));
+    assertEquals(123, copy2.getField(uint32Field));
+  }
+
+  public void testToBuilder() throws Exception {
+    DynamicMessage.Builder builder =
+        DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    reflectionTester.setAllFieldsViaReflection(builder);
+    int unknownFieldNum = 9;
+    long unknownFieldVal = 90;
+    builder.setUnknownFields(UnknownFieldSet.newBuilder()
+        .addField(unknownFieldNum,
+            UnknownFieldSet.Field.newBuilder()
+                .addVarint(unknownFieldVal).build())
+        .build());
+    DynamicMessage message = builder.build();
+
+    DynamicMessage derived = message.toBuilder().build();
+    reflectionTester.assertAllFieldsSetViaReflection(derived);
+    assertEquals(Arrays.asList(unknownFieldVal),
+        derived.getUnknownFields().getField(unknownFieldNum).getVarintList());
+  }
+
+  public void testDynamicOneofMessage() throws Exception {
+    DynamicMessage.Builder builder =
+        DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    OneofDescriptor oneof = TestAllTypes.getDescriptor().getOneofs().get(0);
+    assertFalse(builder.hasOneof(oneof));
+    assertSame(null, builder.getOneofFieldDescriptor(oneof));
+
+    reflectionTester.setAllFieldsViaReflection(builder);
+    assertTrue(builder.hasOneof(oneof));
+    FieldDescriptor field = oneof.getField(3);
+    assertSame(field, builder.getOneofFieldDescriptor(oneof));
+
+    DynamicMessage message = builder.buildPartial();
+    assertTrue(message.hasOneof(oneof));
+
+    DynamicMessage.Builder mergedBuilder =
+        DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    FieldDescriptor mergedField = oneof.getField(0);
+    mergedBuilder.setField(mergedField, 123);
+    assertTrue(mergedBuilder.hasField(mergedField));
+    mergedBuilder.mergeFrom(message);
+    assertTrue(mergedBuilder.hasField(field));
+    assertFalse(mergedBuilder.hasField(mergedField));
+
+    builder.clearOneof(oneof);
+    assertSame(null, builder.getOneofFieldDescriptor(oneof));
+    message = builder.build();
+    assertSame(null, message.getOneofFieldDescriptor(oneof));
+  }
+
+  // Regression test for a bug that makes setField() not work for repeated
+  // enum fields.
+  public void testSettersForRepeatedEnumField() throws Exception {
+    DynamicMessage.Builder builder =
+        DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
+    FieldDescriptor repeatedEnumField =
+        TestAllTypes.getDescriptor().findFieldByName(
+            "repeated_nested_enum");
+    EnumDescriptor enumDescriptor = TestAllTypes.NestedEnum.getDescriptor();
+    builder.setField(repeatedEnumField, enumDescriptor.getValues());
+    DynamicMessage message = builder.build();
+    assertEquals(
+        enumDescriptor.getValues(), message.getField(repeatedEnumField));
+  }
+}