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  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2011-05-31 14:41:47 UTC
  • mfrom: (2.2.8 sid)
  • Revision ID: james.westby@ubuntu.com-20110531144147-s41g5fozgvyo462l
Tags: 2.4.0a-2ubuntu1
* Merge with Debian; remaining changes:
  - Fix linking with -lpthread.

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java/src/test/java/com/google/protobuf/AbstractMessageTest.java
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  // -----------------------------------------------------------------
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  // Tests for equals and hashCode
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  public void testEqualsAndHashCode() throws Exception {
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    TestAllTypes a = TestUtil.getAllSet();
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    TestAllTypes b = TestAllTypes.newBuilder().build();
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    checkEqualsIsConsistent(d);
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    checkEqualsIsConsistent(e);
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    checkEqualsIsConsistent(f);
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    checkNotEqual(a, b);
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    checkNotEqual(a, c);
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    checkNotEqual(a, d);
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    checkEqualsIsConsistent(eUnknownFields);
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    checkEqualsIsConsistent(fUnknownFields);
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    // Subseqent reconstitutions should be identical
 
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    // Subsequent reconstitutions should be identical
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    UnittestProto.TestEmptyMessage eUnknownFields2 =
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        UnittestProto.TestEmptyMessage.parseFrom(e.toByteArray());
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    checkEqualsIsConsistent(eUnknownFields, eUnknownFields2);
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  }
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  /**
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   * Asserts that the given proto has symetric equals and hashCode methods.
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   */
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  private void checkEqualsIsConsistent(Message message) {
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    // Object should be equal to itself.
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    assertEquals(message, message);
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    // Object should be equal to a dynamic copy of itself.
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    DynamicMessage dynamic = DynamicMessage.newBuilder(message).build();
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    checkEqualsIsConsistent(message, dynamic);
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  /**
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   * Asserts that the given protos are not equal and have different hash codes.
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   * 
 
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   *
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   * @warning It's valid for non-equal objects to have the same hash code, so
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   *   this test is stricter than it needs to be. However, this should happen
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   *   relatively rarely.