Revert https://codereview.chromium.org/1291903002 (protobuf roll).

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

Index: third_party/protobuf/java/src/test/java/com/google/protobuf/UnknownFieldSetLiteTest.java
diff --git a/third_party/protobuf/java/src/test/java/com/google/protobuf/UnknownFieldSetLiteTest.java b/third_party/protobuf/java/src/test/java/com/google/protobuf/UnknownFieldSetLiteTest.java
deleted file mode 100644
index e76b4a67521719d3b007ed60d8d25ca2e61e2f16..0000000000000000000000000000000000000000
--- a/third_party/protobuf/java/src/test/java/com/google/protobuf/UnknownFieldSetLiteTest.java
+++ /dev/null
@@ -1,316 +0,0 @@
-// 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 protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash;
-import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.Bar;
-import protobuf_unittest.lite_equals_and_hash.LiteEqualsAndHash.Foo;
-
-import junit.framework.TestCase;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-
-/**
- * Tests for {@link UnknownFieldSetLite}.
- *
- * @author dweis@google.com (Daniel Weis)
- */
-public class UnknownFieldSetLiteTest extends TestCase {
-
-  public void testNoDataIsDefaultInstance() {
-    assertSame(
-        UnknownFieldSetLite.getDefaultInstance(),
-        UnknownFieldSetLite.newBuilder()
-            .build());
-  }
-
-  public void testDefaultInstance() {
-    UnknownFieldSetLite unknownFields = UnknownFieldSetLite.getDefaultInstance();
-
-    assertEquals(0, unknownFields.getSerializedSize());
-    assertEquals(ByteString.EMPTY, toByteString(unknownFields));
-  }
-
-  public void testMergeFieldFrom() throws IOException {
-    Foo foo = Foo.newBuilder()
-      .setValue(2)
-      .build();
-
-    CodedInputStream input = CodedInputStream.newInstance(foo.toByteArray());
-
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeFieldFrom(input.readTag(), input);
-
-    assertEquals(foo.toByteString(), toByteString(builder.build()));
-  }
-
-  public void testSerializedSize() throws IOException {
-    Foo foo = Foo.newBuilder()
-      .setValue(2)
-      .build();
-
-    CodedInputStream input = CodedInputStream.newInstance(foo.toByteArray());
-
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeFieldFrom(input.readTag(), input);
-
-    assertEquals(foo.toByteString().size(), builder.build().getSerializedSize());
-  }
-
-  public void testMergeVarintField() throws IOException {
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeVarintField(10, 2);
-
-    CodedInputStream input =
-        CodedInputStream.newInstance(toByteString(builder.build()).toByteArray());
-
-    int tag = input.readTag();
-    assertEquals(10, WireFormat.getTagFieldNumber(tag));
-    assertEquals(WireFormat.WIRETYPE_VARINT, WireFormat.getTagWireType(tag));
-    assertEquals(2, input.readUInt64());
-    assertTrue(input.isAtEnd());
-  }
-
-  public void testMergeVarintField_negative() throws IOException {
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeVarintField(10, -6);
-
-    CodedInputStream input =
-        CodedInputStream.newInstance(toByteString(builder.build()).toByteArray());
-
-    int tag = input.readTag();
-    assertEquals(10, WireFormat.getTagFieldNumber(tag));
-    assertEquals(WireFormat.WIRETYPE_VARINT, WireFormat.getTagWireType(tag));
-    assertEquals(-6, input.readUInt64());
-    assertTrue(input.isAtEnd());
-  }
-
-  public void testEqualsAndHashCode() {
-    UnknownFieldSetLite.Builder builder1 = UnknownFieldSetLite.newBuilder();
-    builder1.mergeVarintField(10, 2);
-    UnknownFieldSetLite unknownFields1 = builder1.build();
-
-    UnknownFieldSetLite.Builder builder2 = UnknownFieldSetLite.newBuilder();
-    builder2.mergeVarintField(10, 2);
-    UnknownFieldSetLite unknownFields2 = builder2.build();
-
-    assertEquals(unknownFields1, unknownFields2);
-    assertEquals(unknownFields1.hashCode(), unknownFields2.hashCode());
-    assertFalse(unknownFields1.equals(UnknownFieldSetLite.getDefaultInstance()));
-    assertFalse(unknownFields1.hashCode() == UnknownFieldSetLite.getDefaultInstance().hashCode());
-  }
-
-  public void testConcat() throws IOException {
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeVarintField(10, 2);
-    UnknownFieldSetLite unknownFields = builder.build();
-
-    unknownFields = UnknownFieldSetLite.concat(unknownFields, unknownFields);
-
-    CodedInputStream input =
-        CodedInputStream.newInstance(toByteString(unknownFields).toByteArray());
-
-    int tag = input.readTag();
-    assertEquals(10, WireFormat.getTagFieldNumber(tag));
-    assertEquals(WireFormat.WIRETYPE_VARINT, WireFormat.getTagWireType(tag));
-    assertEquals(2, input.readUInt64());
-    assertFalse(input.isAtEnd());
-    input.readTag();
-    assertEquals(10, WireFormat.getTagFieldNumber(tag));
-    assertEquals(WireFormat.WIRETYPE_VARINT, WireFormat.getTagWireType(tag));
-    assertEquals(2, input.readUInt64());
-    assertTrue(input.isAtEnd());
-  }
-
-  public void testConcat_empty() {
-    UnknownFieldSetLite unknownFields = UnknownFieldSetLite.concat(
-        UnknownFieldSetLite.getDefaultInstance(), UnknownFieldSetLite.getDefaultInstance());
-
-    assertEquals(0, unknownFields.getSerializedSize());
-    assertEquals(ByteString.EMPTY, toByteString(unknownFields));
-  }
-
-  public void testBuilderReuse() throws IOException {
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.mergeVarintField(10, 2);
-    builder.build();
-
-    try {
-      builder.build();
-      fail();
-    } catch (IllegalStateException e) {
-      // Expected.
-    }
-
-    try {
-      builder.mergeFieldFrom(0, CodedInputStream.newInstance(new byte[0]));
-      fail();
-    } catch (IllegalStateException e) {
-      // Expected.
-    }
-
-    try {
-      builder.mergeVarintField(5, 1);
-      fail();
-    } catch (IllegalStateException e) {
-      // Expected.
-    }
-  }
-
-  public void testBuilderReuse_empty() {
-    UnknownFieldSetLite.Builder builder = UnknownFieldSetLite.newBuilder();
-    builder.build();
-
-    try {
-      builder.build();
-      fail();
-    } catch (IllegalStateException e) {
-      // Expected.
-    }
-  }
-
-  public void testRoundTrips() throws InvalidProtocolBufferException {
-    Foo foo = Foo.newBuilder()
-        .setValue(1)
-        .setExtension(Bar.fooExt, Bar.newBuilder()
-            .setName("name")
-            .build())
-        .setExtension(LiteEqualsAndHash.varint, 22)
-        .setExtension(LiteEqualsAndHash.fixed32, 44)
-        .setExtension(LiteEqualsAndHash.fixed64, 66L)
-        .setExtension(LiteEqualsAndHash.myGroup, LiteEqualsAndHash.MyGroup.newBuilder()
-            .setGroupValue("value")
-            .build())
-        .build();
-
-    Foo copy = Foo.parseFrom(foo.toByteArray());
-
-    assertEquals(foo.getSerializedSize(), copy.getSerializedSize());
-    assertFalse(foo.equals(copy));
-
-    Foo secondCopy = Foo.parseFrom(foo.toByteArray());
-    assertEquals(copy, secondCopy);
-
-    ExtensionRegistryLite extensionRegistry = ExtensionRegistryLite.newInstance();
-    LiteEqualsAndHash.registerAllExtensions(extensionRegistry);
-    Foo copyOfCopy = Foo.parseFrom(copy.toByteArray(), extensionRegistry);
-
-    assertEquals(foo, copyOfCopy);
-  }
-
-  public void testMalformedBytes() throws Exception {
-    try {
-      Foo.parseFrom("this is a malformed protocol buffer".getBytes(Internal.UTF_8));
-      fail();
-    } catch (InvalidProtocolBufferException e) {
-      // Expected.
-    }
-  }
-
-  public void testMissingStartGroupTag() throws IOException {
-    ByteString.Output byteStringOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(byteStringOutput);
-    output.writeGroupNoTag(Foo.newBuilder().setValue(11).build());
-    output.writeTag(100, WireFormat.WIRETYPE_END_GROUP);
-    output.flush();
-
-    try {
-      Foo.parseFrom(byteStringOutput.toByteString());
-      fail();
-    } catch (InvalidProtocolBufferException e) {
-      // Expected.
-    }
-  }
-
-  public void testMissingEndGroupTag() throws IOException {
-    ByteString.Output byteStringOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(byteStringOutput);
-    output.writeTag(100, WireFormat.WIRETYPE_START_GROUP);
-    output.writeGroupNoTag(Foo.newBuilder().setValue(11).build());
-    output.flush();
-
-    try {
-      Foo.parseFrom(byteStringOutput.toByteString());
-      fail();
-    } catch (InvalidProtocolBufferException e) {
-      // Expected.
-    }
-  }
-
-  public void testMismatchingGroupTags() throws IOException {
-    ByteString.Output byteStringOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(byteStringOutput);
-    output.writeTag(100, WireFormat.WIRETYPE_START_GROUP);
-    output.writeGroupNoTag(Foo.newBuilder().setValue(11).build());
-    output.writeTag(101, WireFormat.WIRETYPE_END_GROUP);
-    output.flush();
-
-    try {
-      Foo.parseFrom(byteStringOutput.toByteString());
-      fail();
-    } catch (InvalidProtocolBufferException e) {
-      // Expected.
-    }
-  }
-
-  public void testTruncatedInput() {
-    Foo foo = Foo.newBuilder()
-        .setValue(1)
-        .setExtension(Bar.fooExt, Bar.newBuilder()
-            .setName("name")
-            .build())
-        .setExtension(LiteEqualsAndHash.varint, 22)
-        .setExtension(LiteEqualsAndHash.myGroup, LiteEqualsAndHash.MyGroup.newBuilder()
-            .setGroupValue("value")
-            .build())
-        .build();
-
-    try {
-      Foo.parseFrom(foo.toByteString().substring(0, foo.toByteString().size() - 10));
-      fail();
-    } catch (InvalidProtocolBufferException e) {
-      // Expected.
-    }
-  }
-
-  private ByteString toByteString(UnknownFieldSetLite unknownFields) {
-    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
-    CodedOutputStream output = CodedOutputStream.newInstance(byteArrayOutputStream);
-    try {
-      unknownFields.writeTo(output);
-      output.flush();
-    } catch (IOException e) {
-      throw new RuntimeException(e);
-    }
-    return ByteString.copyFrom(byteArrayOutputStream.toByteArray());
-  }
-}