third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/java/compatibility_tests/v2.5.0/tests/src/main/java/com/google/protobuf/test/CodedInputStreamTest.java

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
+// http://code.google.com/p/protobuf/
 //
 // 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;
+package com.google.protobuf.test;
+import com.google.protobuf.*;
 
-import protobuf_unittest.UnittestProto.BoolMessage;
-import protobuf_unittest.UnittestProto.Int32Message;
-import protobuf_unittest.UnittestProto.Int64Message;
 import protobuf_unittest.UnittestProto.TestAllTypes;
 import protobuf_unittest.UnittestProto.TestRecursiveMessage;
 
 import junit.framework.TestCase;
 
 import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
 import java.io.FilterInputStream;
+import java.io.InputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.nio.ByteBuffer;
 
 /**
  * Unit test for {@link CodedInputStream}.
  *
  * @author kenton@google.com Kenton Varda
  */
 public class CodedInputStreamTest extends TestCase {
   /**
    * Helper to construct a byte array from a bunch of bytes.  The inputs are
    * actually ints so that I can use hex notation and not get stupid errors
@@ skipping 17 matching lines @@
 
     public SmallBlockInputStream(byte[] data, int blockSize) {
       this(new ByteArrayInputStream(data), blockSize);
     }
 
     public SmallBlockInputStream(InputStream in, int blockSize) {
       super(in);
       this.blockSize = blockSize;
     }
 
-    @Override
     public int read(byte[] b) throws IOException {
       return super.read(b, 0, Math.min(b.length, blockSize));
     }
 
-    @Override
     public int read(byte[] b, int off, int len) throws IOException {
       return super.read(b, off, Math.min(len, blockSize));
     }
   }
 
-  private void assertDataConsumed(byte[] data, CodedInputStream input)
-      throws IOException {
-    assertEquals(data.length, input.getTotalBytesRead());
-    assertTrue(input.isAtEnd());
-  }
-
   /**
    * Parses the given bytes using readRawVarint32() and readRawVarint64() and
    * checks that the result matches the given value.
    */
   private void assertReadVarint(byte[] data, long value) throws Exception {
     CodedInputStream input = CodedInputStream.newInstance(data);
-    assertEquals((int) value, input.readRawVarint32());
-    assertDataConsumed(data, input);
+    assertEquals((int)value, input.readRawVarint32());
 
     input = CodedInputStream.newInstance(data);
     assertEquals(value, input.readRawVarint64());
-    assertDataConsumed(data, input);
-
-    input = CodedInputStream.newInstance(data);
-    assertEquals(value, input.readRawVarint64SlowPath());
-    assertDataConsumed(data, input);
-
-    input = CodedInputStream.newInstance(data);
-    assertTrue(input.skipField(WireFormat.WIRETYPE_VARINT));
-    assertDataConsumed(data, input);
+    assertTrue(input.isAtEnd());
 
     // Try different block sizes.
     for (int blockSize = 1; blockSize <= 16; blockSize *= 2) {
       input = CodedInputStream.newInstance(
         new SmallBlockInputStream(data, blockSize));
-      assertEquals((int) value, input.readRawVarint32());
-      assertDataConsumed(data, input);
+      assertEquals((int)value, input.readRawVarint32());
 
       input = CodedInputStream.newInstance(
         new SmallBlockInputStream(data, blockSize));
       assertEquals(value, input.readRawVarint64());
-      assertDataConsumed(data, input);
-
-      input = CodedInputStream.newInstance(
-        new SmallBlockInputStream(data, blockSize));
-      assertEquals(value, input.readRawVarint64SlowPath());
-      assertDataConsumed(data, input);
-
-      input = CodedInputStream.newInstance(
-        new SmallBlockInputStream(data, blockSize));
-      assertTrue(input.skipField(WireFormat.WIRETYPE_VARINT));
-      assertDataConsumed(data, input);
+      assertTrue(input.isAtEnd());
     }
 
     // Try reading direct from an InputStream.  We want to verify that it
     // doesn't read past the end of the input, so we copy to a new, bigger
     // array first.
     byte[] longerData = new byte[data.length + 1];
     System.arraycopy(data, 0, longerData, 0, data.length);
     InputStream rawInput = new ByteArrayInputStream(longerData);
-    assertEquals((int) value, CodedInputStream.readRawVarint32(rawInput));
-    assertEquals(1, rawInput.available());
   }
 
   /**
    * Parses the given bytes using readRawVarint32() and readRawVarint64() and
    * expects them to fail with an InvalidProtocolBufferException whose
    * description matches the given one.
    */
   private void assertReadVarintFailure(
       InvalidProtocolBufferException expected, byte[] data)
       throws Exception {
     CodedInputStream input = CodedInputStream.newInstance(data);
     try {
       input.readRawVarint32();
       fail("Should have thrown an exception.");
     } catch (InvalidProtocolBufferException e) {
       assertEquals(expected.getMessage(), e.getMessage());
     }
 
     input = CodedInputStream.newInstance(data);
     try {
       input.readRawVarint64();
       fail("Should have thrown an exception.");
     } catch (InvalidProtocolBufferException e) {
       assertEquals(expected.getMessage(), e.getMessage());
     }
-
-    input = CodedInputStream.newInstance(data);
-    try {
-      input.readRawVarint64SlowPath();
-      fail("Should have thrown an exception.");
-    } catch (InvalidProtocolBufferException e) {
-      assertEquals(expected.getMessage(), e.getMessage());
-    }
-
-    // Make sure we get the same error when reading direct from an InputStream.
-    try {
-      CodedInputStream.readRawVarint32(new ByteArrayInputStream(data));
-      fail("Should have thrown an exception.");
-    } catch (InvalidProtocolBufferException e) {
-      assertEquals(expected.getMessage(), e.getMessage());
-    }
   }
 
   /** Tests readRawVarint32() and readRawVarint64(). */
   public void testReadVarint() throws Exception {
     assertReadVarint(bytes(0x00), 0);
     assertReadVarint(bytes(0x01), 1);
     assertReadVarint(bytes(0x7f), 127);
     // 14882
     assertReadVarint(bytes(0xa2, 0x74), (0x22 << 0) | (0x74 << 7));
     // 2961488830
@@ skipping 10 matching lines @@
     assertReadVarint(
       bytes(0x80, 0xe6, 0xeb, 0x9c, 0xc3, 0xc9, 0xa4, 0x49),
       (0x00 << 0) | (0x66 << 7) | (0x6b << 14) | (0x1c << 21) |
       (0x43L << 28) | (0x49L << 35) | (0x24L << 42) | (0x49L << 49));
     // 11964378330978735131
     assertReadVarint(
       bytes(0x9b, 0xa8, 0xf9, 0xc2, 0xbb, 0xd6, 0x80, 0x85, 0xa6, 0x01),
       (0x1b << 0) | (0x28 << 7) | (0x79 << 14) | (0x42 << 21) |
       (0x3bL << 28) | (0x56L << 35) | (0x00L << 42) |
       (0x05L << 49) | (0x26L << 56) | (0x01L << 63));
-
-    // Failures
-    assertReadVarintFailure(
-      InvalidProtocolBufferException.malformedVarint(),
-      bytes(0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
-            0x00));
-    assertReadVarintFailure(
-      InvalidProtocolBufferException.truncatedMessage(),
-      bytes(0x80));
   }
 
   /**
    * Parses the given bytes using readRawLittleEndian32() and checks
    * that the result matches the given value.
    */
   private void assertReadLittleEndian32(byte[] data, int value)
                                         throws Exception {
     CodedInputStream input = CodedInputStream.newInstance(data);
     assertEquals(value, input.readRawLittleEndian32());
@@ skipping 102 matching lines @@
       int tag = input1.readTag();
       assertEquals(tag, input2.readTag());
       if (tag == 0) {
         break;
       }
       unknownFields.mergeFieldFrom(tag, input1);
       input2.skipField(tag);
     }
   }
 
-
   /**
    * Test that a bug in skipRawBytes() has been fixed:  if the skip skips
    * exactly up to a limit, this should not break things.
    */
   public void testSkipRawBytesBug() throws Exception {
     byte[] rawBytes = new byte[] { 1, 2 };
     CodedInputStream input = CodedInputStream.newInstance(rawBytes);
 
     int limit = input.pushLimit(1);
     input.skipRawBytes(1);
@@ skipping 19 matching lines @@
     input.skipRawBytes(3);
     assertTrue(input.isAtEnd());
     input.popLimit(limit);
     assertEquals(5, input.readRawByte());
   }
 
   public void testReadHugeBlob() throws Exception {
     // Allocate and initialize a 1MB blob.
     byte[] blob = new byte[1 << 20];
     for (int i = 0; i < blob.length; i++) {
-      blob[i] = (byte) i;
+      blob[i] = (byte)i;
     }
 
     // Make a message containing it.
     TestAllTypes.Builder builder = TestAllTypes.newBuilder();
     TestUtil.setAllFields(builder);
     builder.setOptionalBytes(ByteString.copyFrom(blob));
     TestAllTypes message = builder.build();
 
     // Serialize and parse it.  Make sure to parse from an InputStream, not
     // directly from a ByteString, so that CodedInputStream uses buffered
     // reading.
     TestAllTypes message2 =
       TestAllTypes.parseFrom(message.toByteString().newInput());
 
     assertEquals(message.getOptionalBytes(), message2.getOptionalBytes());
 
     // Make sure all the other fields were parsed correctly.
     TestAllTypes message3 = TestAllTypes.newBuilder(message2)
       .setOptionalBytes(TestUtil.getAllSet().getOptionalBytes())
       .build();
     TestUtil.assertAllFieldsSet(message3);
   }
 
+  public int makeTag(int number, int tag) {
+    return (number << 3) + tag;
+  }
+
   public void testReadMaliciouslyLargeBlob() throws Exception {
     ByteString.Output rawOutput = ByteString.newOutput();
     CodedOutputStream output = CodedOutputStream.newInstance(rawOutput);
 
-    int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
+    int tag = makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
     output.writeRawVarint32(tag);
     output.writeRawVarint32(0x7FFFFFFF);
     output.writeRawBytes(new byte[32]);  // Pad with a few random bytes.
     output.flush();
 
     CodedInputStream input = rawOutput.toByteString().newCodedInput();
     assertEquals(tag, input.readTag());
 
     try {
       input.readBytes();
@@ skipping 15 matching lines @@
   private void assertMessageDepth(TestRecursiveMessage message, int depth) {
     if (depth == 0) {
       assertFalse(message.hasA());
       assertEquals(5, message.getI());
     } else {
       assertTrue(message.hasA());
       assertMessageDepth(message.getA(), depth - 1);
     }
   }
 
-  public void testMaliciousRecursion() throws Exception {
-    ByteString data100 = makeRecursiveMessage(100).toByteString();
-    ByteString data101 = makeRecursiveMessage(101).toByteString();
-
-    assertMessageDepth(TestRecursiveMessage.parseFrom(data100), 100);
-
-    try {
-      TestRecursiveMessage.parseFrom(data101);
-      fail("Should have thrown an exception!");
-    } catch (InvalidProtocolBufferException e) {
-      // success.
-    }
-
-    CodedInputStream input = data100.newCodedInput();
-    input.setRecursionLimit(8);
-    try {
-      TestRecursiveMessage.parseFrom(input);
-      fail("Should have thrown an exception!");
-    } catch (InvalidProtocolBufferException e) {
-      // success.
-    }
-  }
-
-  private void checkSizeLimitExceeded(InvalidProtocolBufferException e) {
-      assertEquals(
-          InvalidProtocolBufferException.sizeLimitExceeded().getMessage(),
-          e.getMessage());
-  }
-
-  public void testSizeLimit() throws Exception {
-    CodedInputStream input = CodedInputStream.newInstance(
-        new SmallBlockInputStream(
-            TestUtil.getAllSet().toByteString().newInput(), 16));
-    input.setSizeLimit(16);
-
-    try {
-      TestAllTypes.parseFrom(input);
-      fail("Should have thrown an exception!");
-    } catch (InvalidProtocolBufferException expected) {
-      checkSizeLimitExceeded(expected);
-    }
-  }
-
   public void testResetSizeCounter() throws Exception {
     CodedInputStream input = CodedInputStream.newInstance(
         new SmallBlockInputStream(new byte[256], 8));
     input.setSizeLimit(16);
     input.readRawBytes(16);
     assertEquals(16, input.getTotalBytesRead());
 
     try {
       input.readRawByte();
       fail("Should have thrown an exception!");
-    } catch (InvalidProtocolBufferException expected) {
-      checkSizeLimitExceeded(expected);
+    } catch (InvalidProtocolBufferException e) {
+      // success.
     }
 
     input.resetSizeCounter();
     assertEquals(0, input.getTotalBytesRead());
     input.readRawByte();  // No exception thrown.
     input.resetSizeCounter();
     assertEquals(0, input.getTotalBytesRead());
-    input.readRawBytes(16);
-    assertEquals(16, input.getTotalBytesRead());
-    input.resetSizeCounter();
-
-    try {
-      input.readRawBytes(17);  // Hits limit again.
-      fail("Should have thrown an exception!");
-    } catch (InvalidProtocolBufferException expected) {
-      checkSizeLimitExceeded(expected);
-    }
-  }
-
-  public void testSizeLimitMultipleMessages() throws Exception {
-    byte[] bytes = new byte[256];
-    for (int i = 0; i < bytes.length; i++) {
-      bytes[i] = (byte) i;
-    }
-    CodedInputStream input = CodedInputStream.newInstance(
-        new SmallBlockInputStream(bytes, 7));
-    input.setSizeLimit(16);
-    for (int i = 0; i < 256 / 16; i++) {
-      byte[] message = input.readRawBytes(16);
-      for (int j = 0; j < message.length; j++) {
-        assertEquals(i * 16 + j, message[j] & 0xff);
-      }
-      assertEquals(16, input.getTotalBytesRead());
-      input.resetSizeCounter();
-      assertEquals(0, input.getTotalBytesRead());
-    }
-  }
-
-  public void testReadString() throws Exception {
-    String lorem = "Lorem ipsum dolor sit amet ";
-    StringBuilder builder = new StringBuilder();
-    for (int i = 0; i < 4096; i += lorem.length()) {
-      builder.append(lorem);
-    }
-    lorem = builder.toString().substring(0, 4096);
-    byte[] bytes = lorem.getBytes("UTF-8");
-    ByteString.Output rawOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(rawOutput, bytes.length);
-
-    int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
-    output.writeRawVarint32(tag);
-    output.writeRawVarint32(bytes.length);
-    output.writeRawBytes(bytes);
-    output.flush();
-
-    CodedInputStream input =
-        CodedInputStream.newInstance(
-            new ByteArrayInputStream(rawOutput.toByteString().toByteArray()));
-    assertEquals(tag, input.readTag());
-    String text = input.readString();
-    assertEquals(lorem, text);
-  }
-
-  public void testReadStringRequireUtf8() throws Exception {
-    String lorem = "Lorem ipsum dolor sit amet ";
-    StringBuilder builder = new StringBuilder();
-    for (int i = 0; i < 4096; i += lorem.length()) {
-      builder.append(lorem);
-    }
-    lorem = builder.toString().substring(0, 4096);
-    byte[] bytes = lorem.getBytes("UTF-8");
-    ByteString.Output rawOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(rawOutput, bytes.length);
-
-    int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
-    output.writeRawVarint32(tag);
-    output.writeRawVarint32(bytes.length);
-    output.writeRawBytes(bytes);
-    output.flush();
-
-    CodedInputStream input =
-        CodedInputStream.newInstance(
-            new ByteArrayInputStream(rawOutput.toByteString().toByteArray()));
-    assertEquals(tag, input.readTag());
-    String text = input.readStringRequireUtf8();
-    assertEquals(lorem, text);
   }
 
   /**
-   * Tests that if we readString invalid UTF-8 bytes, no exception
+   * Tests that if we read an string that contains invalid UTF-8, no exception
    * is thrown.  Instead, the invalid bytes are replaced with the Unicode
    * "replacement character" U+FFFD.
    */
-  public void testReadStringInvalidUtf8() throws Exception {
+  public void testReadInvalidUtf8() throws Exception {
     ByteString.Output rawOutput = ByteString.newOutput();
     CodedOutputStream output = CodedOutputStream.newInstance(rawOutput);
 
-    int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
+    int tag = makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
     output.writeRawVarint32(tag);
     output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[] { (byte) 0x80 });
+    output.writeRawBytes(new byte[] { (byte)0x80 });
     output.flush();
 
     CodedInputStream input = rawOutput.toByteString().newCodedInput();
     assertEquals(tag, input.readTag());
     String text = input.readString();
     assertEquals(0xfffd, text.charAt(0));
   }
 
-  /**
-   * Tests that if we readStringRequireUtf8 invalid UTF-8 bytes, an
-   * InvalidProtocolBufferException is thrown.
-   */
-  public void testReadStringRequireUtf8InvalidUtf8() throws Exception {
-    ByteString.Output rawOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(rawOutput);
-
-    int tag = WireFormat.makeTag(1, WireFormat.WIRETYPE_LENGTH_DELIMITED);
-    output.writeRawVarint32(tag);
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[] { (byte) 0x80 });
-    output.flush();
-
-    CodedInputStream input = rawOutput.toByteString().newCodedInput();
-    assertEquals(tag, input.readTag());
-    try {
-      input.readStringRequireUtf8();
-      fail("Expected invalid UTF-8 exception.");
-    } catch (InvalidProtocolBufferException exception) {
-      assertEquals("Protocol message had invalid UTF-8.", exception.getMessage());
-    }
-  }
-
   public void testReadFromSlice() throws Exception {
     byte[] bytes = bytes(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
     CodedInputStream in = CodedInputStream.newInstance(bytes, 3, 5);
     assertEquals(0, in.getTotalBytesRead());
     for (int i = 3; i < 8; i++) {
       assertEquals(i, in.readRawByte());
-      assertEquals(i - 2, in.getTotalBytesRead());
+      assertEquals(i-2, in.getTotalBytesRead());
     }
     // eof
     assertEquals(0, in.readTag());
     assertEquals(5, in.getTotalBytesRead());
   }
 
   public void testInvalidTag() throws Exception {
     // Any tag number which corresponds to field number zero is invalid and
     // should throw InvalidProtocolBufferException.
     for (int i = 0; i < 8; i++) {
       try {
         CodedInputStream.newInstance(bytes(i)).readTag();
         fail("Should have thrown an exception.");
       } catch (InvalidProtocolBufferException e) {
-        assertEquals(InvalidProtocolBufferException.invalidTag().getMessage(),
-                     e.getMessage());
       }
     }
   }
-
-  public void testReadByteArray() throws Exception {
-    ByteString.Output rawOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(rawOutput);
-    // Zero-sized bytes field.
-    output.writeRawVarint32(0);
-    // One one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[] { (byte) 23 });
-    // Another one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[] { (byte) 45 });
-    // A bytes field large enough that won't fit into the 4K buffer.
-    final int bytesLength = 16 * 1024;
-    byte[] bytes = new byte[bytesLength];
-    bytes[0] = (byte) 67;
-    bytes[bytesLength - 1] = (byte) 89;
-    output.writeRawVarint32(bytesLength);
-    output.writeRawBytes(bytes);
-
-    output.flush();
-    CodedInputStream inputStream = rawOutput.toByteString().newCodedInput();
-
-    byte[] result = inputStream.readByteArray();
-    assertEquals(0, result.length);
-    result = inputStream.readByteArray();
-    assertEquals(1, result.length);
-    assertEquals((byte) 23, result[0]);
-    result = inputStream.readByteArray();
-    assertEquals(1, result.length);
-    assertEquals((byte) 45, result[0]);
-    result = inputStream.readByteArray();
-    assertEquals(bytesLength, result.length);
-    assertEquals((byte) 67, result[0]);
-    assertEquals((byte) 89, result[bytesLength - 1]);
-  }
-
-  public void testReadByteBuffer() throws Exception {
-    ByteString.Output rawOutput = ByteString.newOutput();
-    CodedOutputStream output = CodedOutputStream.newInstance(rawOutput);
-    // Zero-sized bytes field.
-    output.writeRawVarint32(0);
-    // One one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[]{(byte) 23});
-    // Another one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[]{(byte) 45});
-    // A bytes field large enough that won't fit into the 4K buffer.
-    final int bytesLength = 16 * 1024;
-    byte[] bytes = new byte[bytesLength];
-    bytes[0] = (byte) 67;
-    bytes[bytesLength - 1] = (byte) 89;
-    output.writeRawVarint32(bytesLength);
-    output.writeRawBytes(bytes);
-
-    output.flush();
-    CodedInputStream inputStream = rawOutput.toByteString().newCodedInput();
-
-    ByteBuffer result = inputStream.readByteBuffer();
-    assertEquals(0, result.capacity());
-    result = inputStream.readByteBuffer();
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 23, result.get());
-    result = inputStream.readByteBuffer();
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 45, result.get());
-    result = inputStream.readByteBuffer();
-    assertEquals(bytesLength, result.capacity());
-    assertEquals((byte) 67, result.get());
-    result.position(bytesLength - 1);
-    assertEquals((byte) 89, result.get());
-  }
-
-  public void testReadByteBufferAliasing() throws Exception {
-    ByteArrayOutputStream byteArrayStream = new ByteArrayOutputStream();
-    CodedOutputStream output = CodedOutputStream.newInstance(byteArrayStream);
-    // Zero-sized bytes field.
-    output.writeRawVarint32(0);
-    // One one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[]{(byte) 23});
-    // Another one-byte bytes field
-    output.writeRawVarint32(1);
-    output.writeRawBytes(new byte[]{(byte) 45});
-    // A bytes field large enough that won't fit into the 4K buffer.
-    final int bytesLength = 16 * 1024;
-    byte[] bytes = new byte[bytesLength];
-    bytes[0] = (byte) 67;
-    bytes[bytesLength - 1] = (byte) 89;
-    output.writeRawVarint32(bytesLength);
-    output.writeRawBytes(bytes);
-    output.flush();
-    byte[] data = byteArrayStream.toByteArray();
-
-    // Without aliasing
-    CodedInputStream inputStream = CodedInputStream.newInstance(data);
-    ByteBuffer result = inputStream.readByteBuffer();
-    assertEquals(0, result.capacity());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() != data);
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 23, result.get());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() != data);
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 45, result.get());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() != data);
-    assertEquals(bytesLength, result.capacity());
-    assertEquals((byte) 67, result.get());
-    result.position(bytesLength - 1);
-    assertEquals((byte) 89, result.get());
-
-    // Enable aliasing
-    inputStream = CodedInputStream.newInstance(data);
-    inputStream.enableAliasing(true);
-    result = inputStream.readByteBuffer();
-    assertEquals(0, result.capacity());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() == data);
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 23, result.get());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() == data);
-    assertEquals(1, result.capacity());
-    assertEquals((byte) 45, result.get());
-    result = inputStream.readByteBuffer();
-    assertTrue(result.array() == data);
-    assertEquals(bytesLength, result.capacity());
-    assertEquals((byte) 67, result.get());
-    result.position(bytesLength - 1);
-    assertEquals((byte) 89, result.get());
-  }
-
-  public void testCompatibleTypes() throws Exception {
-    long data = 0x100000000L;
-    Int64Message message = Int64Message.newBuilder().setData(data).build();
-    ByteString serialized = message.toByteString();
-
-    // Test int64(long) is compatible with bool(boolean)
-    BoolMessage msg2 = BoolMessage.parseFrom(serialized);
-    assertTrue(msg2.getData());
-
-    // Test int64(long) is compatible with int32(int)
-    Int32Message msg3 = Int32Message.parseFrom(serialized);
-    assertEquals((int) data, msg3.getData());
-  }
 }