Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

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

-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// 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.test;
-import com.google.protobuf.*;
-
-import junit.framework.TestCase;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.nio.ByteBuffer;
-import java.util.Arrays;
-import java.util.List;
-import java.util.NoSuchElementException;
-
-/**
- * Test {@link LiteralByteString} by setting up a reference string in {@link #setUp()}.
- * This class is designed to be extended for testing extensions of {@link LiteralByteString}
- * such as {@link BoundedByteString}, see {@link BoundedByteStringTest}.
- *
- * @author carlanton@google.com (Carl Haverl)
- */
-public class LiteralByteStringTest extends TestCase {
-  protected static final String UTF_8 = "UTF-8";
-
-  protected String classUnderTest;
-  protected byte[] referenceBytes;
-  protected ByteString stringUnderTest;
-  protected int expectedHashCode;
-
-  @Override
-  protected void setUp() throws Exception {
-    classUnderTest = "LiteralByteString";
-    referenceBytes = ByteStringTest.getTestBytes(1234, 11337766L);
-    stringUnderTest = ByteString.copyFrom(referenceBytes);
-    expectedHashCode = 331161852;
-  }
-
-  protected String getActualClassName(Object object) {
-    String actualClassName = object.getClass().getName();
-    actualClassName = actualClassName.substring(actualClassName.lastIndexOf('.') + 1);
-    return actualClassName;
-  }
-
-  public void testByteAt() {
-    boolean stillEqual = true;
-    for (int i = 0; stillEqual && i < referenceBytes.length; ++i) {
-      stillEqual = (referenceBytes[i] == stringUnderTest.byteAt(i));
-    }
-    assertTrue(classUnderTest + " must capture the right bytes", stillEqual);
-  }
-
-  public void testByteIterator() {
-    boolean stillEqual = true;
-    ByteString.ByteIterator iter = stringUnderTest.iterator();
-    for (int i = 0; stillEqual && i < referenceBytes.length; ++i) {
-      stillEqual = (iter.hasNext() && referenceBytes[i] == iter.nextByte());
-    }
-    assertTrue(classUnderTest + " must capture the right bytes", stillEqual);
-    assertFalse(classUnderTest + " must have exhausted the itertor", iter.hasNext());
-
-    try {
-      iter.nextByte();
-      fail("Should have thrown an exception.");
-    } catch (NoSuchElementException e) {
-      // This is success
-    }
-  }
-
-  public void testByteIterable() {
-    boolean stillEqual = true;
-    int j = 0;
-    for (byte quantum : stringUnderTest) {
-      stillEqual = (referenceBytes[j] == quantum);
-      ++j;
-    }
-    assertTrue(classUnderTest + " must capture the right bytes as Bytes", stillEqual);
-    assertEquals(classUnderTest + " iterable character count", referenceBytes.length, j);
-  }
-
-  public void testSize() {
-    assertEquals(classUnderTest + " must have the expected size", referenceBytes.length,
-        stringUnderTest.size());
-  }
-
-  public void testCopyTo_ByteArrayOffsetLength() {
-    int destinationOffset = 50;
-    int length = 100;
-    byte[] destination = new byte[destinationOffset + length];
-    int sourceOffset = 213;
-    stringUnderTest.copyTo(destination, sourceOffset, destinationOffset, length);
-    boolean stillEqual = true;
-    for (int i = 0; stillEqual && i < length; ++i) {
-      stillEqual = referenceBytes[i + sourceOffset] == destination[i + destinationOffset];
-    }
-    assertTrue(classUnderTest + ".copyTo(4 arg) must give the expected bytes", stillEqual);
-  }
-
-  public void testCopyTo_ByteArrayOffsetLengthErrors() {
-    int destinationOffset = 50;
-    int length = 100;
-    byte[] destination = new byte[destinationOffset + length];
-
-    try {
-      // Copy one too many bytes
-      stringUnderTest.copyTo(destination, stringUnderTest.size() + 1 - length,
-          destinationOffset, length);
-      fail("Should have thrown an exception when copying too many bytes of a "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-
-    try {
-      // Copy with illegal negative sourceOffset
-      stringUnderTest.copyTo(destination, -1, destinationOffset, length);
-      fail("Should have thrown an exception when given a negative sourceOffset in "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-
-    try {
-      // Copy with illegal negative destinationOffset
-      stringUnderTest.copyTo(destination, 0, -1, length);
-      fail("Should have thrown an exception when given a negative destinationOffset in "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-
-    try {
-      // Copy with illegal negative size
-      stringUnderTest.copyTo(destination, 0, 0, -1);
-      fail("Should have thrown an exception when given a negative size in "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-
-    try {
-      // Copy with illegal too-large sourceOffset
-      stringUnderTest.copyTo(destination, 2 * stringUnderTest.size(), 0, length);
-      fail("Should have thrown an exception when the destinationOffset is too large in "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-
-    try {
-      // Copy with illegal too-large destinationOffset
-      stringUnderTest.copyTo(destination, 0, 2 * destination.length, length);
-      fail("Should have thrown an exception when the destinationOffset is too large in "
-          + classUnderTest);
-    } catch (IndexOutOfBoundsException expected) {
-      // This is success
-    }
-  }
-
-  public void testCopyTo_ByteBuffer() {
-    ByteBuffer myBuffer = ByteBuffer.allocate(referenceBytes.length);
-    stringUnderTest.copyTo(myBuffer);
-    assertTrue(classUnderTest + ".copyTo(ByteBuffer) must give back the same bytes",
-        Arrays.equals(referenceBytes, myBuffer.array()));
-  }
-
-  public void testAsReadOnlyByteBuffer() {
-    ByteBuffer byteBuffer = stringUnderTest.asReadOnlyByteBuffer();
-    byte[] roundTripBytes = new byte[referenceBytes.length];
-    assertTrue(byteBuffer.remaining() == referenceBytes.length);
-    assertTrue(byteBuffer.isReadOnly());
-    byteBuffer.get(roundTripBytes);
-    assertTrue(classUnderTest + ".asReadOnlyByteBuffer() must give back the same bytes",
-        Arrays.equals(referenceBytes, roundTripBytes));
-  }
-
-  public void testAsReadOnlyByteBufferList() {
-    List<ByteBuffer> byteBuffers = stringUnderTest.asReadOnlyByteBufferList();
-    int bytesSeen = 0;
-    byte[] roundTripBytes = new byte[referenceBytes.length];
-    for (ByteBuffer byteBuffer : byteBuffers) {
-      int thisLength = byteBuffer.remaining();
-      assertTrue(byteBuffer.isReadOnly());
-      assertTrue(bytesSeen + thisLength <= referenceBytes.length);
-      byteBuffer.get(roundTripBytes, bytesSeen, thisLength);
-      bytesSeen += thisLength;
-    }
-    assertTrue(bytesSeen == referenceBytes.length);
-    assertTrue(classUnderTest + ".asReadOnlyByteBufferTest() must give back the same bytes",
-        Arrays.equals(referenceBytes, roundTripBytes));
-  }
-
-  public void testToByteArray() {
-    byte[] roundTripBytes = stringUnderTest.toByteArray();
-    assertTrue(classUnderTest + ".toByteArray() must give back the same bytes",
-        Arrays.equals(referenceBytes, roundTripBytes));
-  }
-
-  public void testWriteTo() throws IOException {
-    ByteArrayOutputStream bos = new ByteArrayOutputStream();
-    stringUnderTest.writeTo(bos);
-    byte[] roundTripBytes = bos.toByteArray();
-    assertTrue(classUnderTest + ".writeTo() must give back the same bytes",
-        Arrays.equals(referenceBytes, roundTripBytes));
-  }
-  
-  public void testWriteTo_mutating() throws IOException {
-    OutputStream os = new OutputStream() {
-      @Override
-      public void write(byte[] b, int off, int len) {
-        for (int x = 0; x < len; ++x) {
-          b[off + x] = (byte) 0;
-        }
-      }
-
-      @Override
-      public void write(int b) {
-        // Purposefully left blank.
-      }
-    };
-
-    stringUnderTest.writeTo(os);
-    byte[] newBytes = stringUnderTest.toByteArray();
-    assertTrue(classUnderTest + ".writeTo() must not grant access to underlying array",
-        Arrays.equals(referenceBytes, newBytes));
-  }
-
-  public void testNewOutput() throws IOException {
-    ByteArrayOutputStream bos = new ByteArrayOutputStream();
-    ByteString.Output output = ByteString.newOutput();
-    stringUnderTest.writeTo(output);
-    assertEquals("Output Size returns correct result",
-        output.size(), stringUnderTest.size());
-    output.writeTo(bos);
-    assertTrue("Output.writeTo() must give back the same bytes",
-        Arrays.equals(referenceBytes, bos.toByteArray()));
-
-    // write the output stream to itself! This should cause it to double
-    output.writeTo(output);
-    assertEquals("Writing an output stream to itself is successful",
-        stringUnderTest.concat(stringUnderTest), output.toByteString());
-
-    output.reset();
-    assertEquals("Output.reset() resets the output", 0, output.size());
-    assertEquals("Output.reset() resets the output",
-        ByteString.EMPTY, output.toByteString());
-    
-  }
-
-  public void testHashCode() {
-    int hash = stringUnderTest.hashCode();
-    assertEquals(classUnderTest + " must have expected hashCode", expectedHashCode, hash);
-  }
-
-  public void testNewInput() throws IOException {
-    InputStream input = stringUnderTest.newInput();
-    assertEquals("InputStream.available() returns correct value",
-        stringUnderTest.size(), input.available());
-    boolean stillEqual = true;
-    for (byte referenceByte : referenceBytes) {
-      int expectedInt = (referenceByte & 0xFF);
-      stillEqual = (expectedInt == input.read());
-    }
-    assertEquals("InputStream.available() returns correct value",
-        0, input.available());
-    assertTrue(classUnderTest + " must give the same bytes from the InputStream", stillEqual);
-    assertEquals(classUnderTest + " InputStream must now be exhausted", -1, input.read());
-  }
-
-  public void testNewInput_skip() throws IOException {
-    InputStream input = stringUnderTest.newInput();
-    int stringSize = stringUnderTest.size();
-    int nearEndIndex = stringSize * 2 / 3;
-    long skipped1 = input.skip(nearEndIndex);
-    assertEquals("InputStream.skip()", skipped1, nearEndIndex);
-    assertEquals("InputStream.available()",
-        stringSize - skipped1, input.available());
-    assertTrue("InputStream.mark() is available", input.markSupported());
-    input.mark(0);
-    assertEquals("InputStream.skip(), read()",
-        stringUnderTest.byteAt(nearEndIndex) & 0xFF, input.read());
-    assertEquals("InputStream.available()",
-                 stringSize - skipped1 - 1, input.available());
-    long skipped2 = input.skip(stringSize);
-    assertEquals("InputStream.skip() incomplete",
-        skipped2, stringSize - skipped1 - 1);
-    assertEquals("InputStream.skip(), no more input", 0, input.available());
-    assertEquals("InputStream.skip(), no more input", -1, input.read());
-    input.reset();
-    assertEquals("InputStream.reset() succeded",
-                 stringSize - skipped1, input.available());
-    assertEquals("InputStream.reset(), read()",
-        stringUnderTest.byteAt(nearEndIndex) & 0xFF, input.read());
-  }
-
-  public void testNewCodedInput() throws IOException {
-    CodedInputStream cis = stringUnderTest.newCodedInput();
-    byte[] roundTripBytes = cis.readRawBytes(referenceBytes.length);
-    assertTrue(classUnderTest + " must give the same bytes back from the CodedInputStream",
-        Arrays.equals(referenceBytes, roundTripBytes));
-    assertTrue(classUnderTest + " CodedInputStream must now be exhausted", cis.isAtEnd());
-  }
-
-  /**
-   * Make sure we keep things simple when concatenating with empty. See also
-   * {@link ByteStringTest#testConcat_empty()}.
-   */
-  public void testConcat_empty() {
-    assertSame(classUnderTest + " concatenated with empty must give " + classUnderTest,
-        stringUnderTest.concat(ByteString.EMPTY), stringUnderTest);
-    assertSame("empty concatenated with " + classUnderTest + " must give " + classUnderTest,
-        ByteString.EMPTY.concat(stringUnderTest), stringUnderTest);
-  }
-}