content: // 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
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  // (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 java.util.Objects;
  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 {
        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 {
        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(Objects.equals(result1, result2));
    }
  }
  