Examples of com.google.common.testutils.EqualsTester$NotAnInstance

com.google.common.testutils.EqualsTester
Class used to test whether equals() correctly handles an instance of an incompatible class. Since it is a private inner class, the invoker can never pass in an instance to the tester

    assertEvalsToFalse(Predicates.and(FALSE, NEVER_REACHED));
  }


  @SuppressWarnings("unchecked")
  public void testAnd_equalityBinary() {
    new EqualsTester(Predicates.and(TRUE, NEVER_REACHED))
        .addEqualObject(Predicates.and(TRUE, NEVER_REACHED))
        .addNotEqualObject(Predicates.and(NEVER_REACHED, TRUE))
        .addNotEqualObject(Predicates.and(TRUE))
        .addNotEqualObject(Predicates.or(TRUE, NEVER_REACHED))
        .testEquals();

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    assertEvalsToFalse(Predicates.and(TRUE, FALSE, NEVER_REACHED));
  }


  @SuppressWarnings("unchecked")
  public void testAnd_equalityTernary() {
    new EqualsTester(Predicates.and(TRUE, isOdd(), NEVER_REACHED))
        .addEqualObject(Predicates.and(TRUE, isOdd(), NEVER_REACHED))
        .addNotEqualObject(Predicates.and(isOdd(), NEVER_REACHED, TRUE))
        .addNotEqualObject(Predicates.and(TRUE))
        .addNotEqualObject(Predicates.or(TRUE, isOdd(), NEVER_REACHED))
        .testEquals();

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    assertEvalsToFalse(Predicates.and(Arrays.asList(FALSE, NEVER_REACHED)));
  }


  @SuppressWarnings("unchecked")
  public void testAnd_equalityIterable() {
    new EqualsTester(Predicates.and(Arrays.asList(TRUE, NEVER_REACHED)))
        .addEqualObject(Predicates.and(Arrays.asList(TRUE, NEVER_REACHED)))
        .addEqualObject(Predicates.and(TRUE, NEVER_REACHED))
        .addNotEqualObject(Predicates.and(FALSE, NEVER_REACHED))
        .addNotEqualObject(Predicates.or(TRUE, NEVER_REACHED))
        .testEquals();

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    assertEvalsToFalse(Predicates.or());
  }


  @SuppressWarnings("unchecked")
  public void testOr_equalityNoArgs() {
    new EqualsTester(Predicates.or())
        .addEqualObject(Predicates.or())
        .addNotEqualObject(Predicates.or(TRUE))
        .addNotEqualObject(Predicates.and())
        .testEquals();
  }

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    assertEvalsToFalse(Predicates.or(FALSE));
  }


  @SuppressWarnings("unchecked")
  public void testOr_equalityOneArg() {
    new EqualsTester(Predicates.or(NEVER_REACHED))
        .addEqualObject(Predicates.or(NEVER_REACHED))
        .addNotEqualObject(Predicates.or(NEVER_REACHED, TRUE))
        .addNotEqualObject(Predicates.or(TRUE))
        .addNotEqualObject(Predicates.or())
        .addNotEqualObject(Predicates.and(NEVER_REACHED))

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    assertEvalsToTrue(trueOrAnything);
  }


  @SuppressWarnings("unchecked")
  public void testOr_equalityBinary() {
    new EqualsTester(Predicates.or(FALSE, NEVER_REACHED))
    .addEqualObject(Predicates.or(FALSE, NEVER_REACHED))
    .addNotEqualObject(Predicates.or(NEVER_REACHED, FALSE))
    .addNotEqualObject(Predicates.or(TRUE))
    .addNotEqualObject(Predicates.and(FALSE, NEVER_REACHED))
    .testEquals();

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    assertEvalsToTrue(Predicates.or(FALSE, TRUE, NEVER_REACHED));
  }


  @SuppressWarnings("unchecked")
  public void testOr_equalityTernary() {
    new EqualsTester(Predicates.or(FALSE, NEVER_REACHED, TRUE))
        .addEqualObject(Predicates.or(FALSE, NEVER_REACHED, TRUE))
        .addNotEqualObject(Predicates.or(TRUE, NEVER_REACHED, FALSE))
        .addNotEqualObject(Predicates.or(TRUE))
        .addNotEqualObject(Predicates.and(FALSE, NEVER_REACHED, TRUE))
        .testEquals();

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    assertEvalsToTrue(trueAndFalse);
  }


  @SuppressWarnings("unchecked")
  public void testOr_equalityIterable() {
    new EqualsTester(Predicates.or(Arrays.asList(FALSE, NEVER_REACHED)))
        .addEqualObject(Predicates.or(Arrays.asList(FALSE, NEVER_REACHED)))
        .addEqualObject(Predicates.or(FALSE, NEVER_REACHED))
        .addNotEqualObject(Predicates.or(TRUE, NEVER_REACHED))
        .addNotEqualObject(Predicates.and(FALSE, NEVER_REACHED))
        .testEquals();

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    assertFalse(isOne.apply(2));
    assertFalse(isOne.apply(null));
  }


  public void testIsEqualTo_equality() {
    new EqualsTester(Predicates.equalTo(1))
        .addEqualObject(Predicates.equalTo(1))
        .addNotEqualObject(Predicates.equalTo(2))
        .addNotEqualObject(Predicates.equalTo(null))
        .testEquals();
  }

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    assertTrue(isNull.apply(null));
    assertFalse(isNull.apply(1));
  }


  public void testIsEqualToNull_equality() {
    new EqualsTester(Predicates.equalTo(null))
        .addEqualObject(Predicates.equalTo(null))
        .addNotEqualObject(Predicates.equalTo(1))
        .addNotEqualObject(Predicates.equalTo("null"))
        .testEquals();
  }

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com.google.common.base.FunctionsTest

com.google.common.base.PredicatesTest

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com.google.common.collect.ImmutableSetMultimapTest

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