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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 any_test.AnyTestProto.TestAny;
import protobuf_unittest.UnittestProto.TestAllTypes;

import junit.framework.TestCase;

/**
 * Unit tests for Any message.
 */
public class AnyTest extends TestCase {
  public void testAnyGeneratedApi() throws Exception {
    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
    TestUtil.setAllFields(builder);
    TestAllTypes message = builder.build();

    TestAny container = TestAny.newBuilder()
        .setValue(Any.pack(message)).build();

    assertTrue(container.getValue().is(TestAllTypes.class));
    assertFalse(container.getValue().is(TestAny.class));

    TestAllTypes result = container.getValue().unpack(TestAllTypes.class);
    TestUtil.assertAllFieldsSet(result);


    // Unpacking to a wrong type will throw an exception.
    try {
      TestAny wrongMessage = container.getValue().unpack(TestAny.class);
      fail("Exception is expected.");
    } catch (InvalidProtocolBufferException e) {
      // expected.
    }

    // Test that unpacking throws an exception if parsing fails.
    TestAny.Builder containerBuilder = container.toBuilder();
    containerBuilder.getValueBuilder().setValue(
        ByteString.copyFrom(new byte[]{0x11}));
    container = containerBuilder.build();
    try {
      TestAllTypes parsingFailed = container.getValue().unpack(TestAllTypes.class);
      fail("Exception is expected.");
    } catch (InvalidProtocolBufferException e) {
      // expected.
    }
  }

  public void testCustomTypeUrls() throws Exception {
    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
    TestUtil.setAllFields(builder);
    TestAllTypes message = builder.build();

    TestAny container = TestAny.newBuilder()
        .setValue(Any.pack(message, "xxx.com")).build();

    assertEquals(
        "xxx.com/" + TestAllTypes.getDescriptor().getFullName(),
        container.getValue().getTypeUrl());

    assertTrue(container.getValue().is(TestAllTypes.class));
    assertFalse(container.getValue().is(TestAny.class));

    TestAllTypes result = container.getValue().unpack(TestAllTypes.class);
    TestUtil.assertAllFieldsSet(result);

    container = TestAny.newBuilder()
        .setValue(Any.pack(message, "yyy.com/")).build();

    assertEquals(
        "yyy.com/" + TestAllTypes.getDescriptor().getFullName(),
        container.getValue().getTypeUrl());

    assertTrue(container.getValue().is(TestAllTypes.class));
    assertFalse(container.getValue().is(TestAny.class));

    result = container.getValue().unpack(TestAllTypes.class);
    TestUtil.assertAllFieldsSet(result);

    container = TestAny.newBuilder()
        .setValue(Any.pack(message, "")).build();

    assertEquals(
        "/" + TestAllTypes.getDescriptor().getFullName(),
        container.getValue().getTypeUrl());

    assertTrue(container.getValue().is(TestAllTypes.class));
    assertFalse(container.getValue().is(TestAny.class));

    result = container.getValue().unpack(TestAllTypes.class);
    TestUtil.assertAllFieldsSet(result);
  }

  public void testCachedUnpackResult() throws Exception {
    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
    TestUtil.setAllFields(builder);
    TestAllTypes message = builder.build();

    TestAny container = TestAny.newBuilder()
        .setValue(Any.pack(message)).build();

    assertTrue(container.getValue().is(TestAllTypes.class));

    TestAllTypes result1 = container.getValue().unpack(TestAllTypes.class);
    TestAllTypes result2 = container.getValue().unpack(TestAllTypes.class);
    assertTrue(result1 == result2);
  }
}