Examples of com.google.common.testing.NullPointerTester

com.google.common.testing.NullPointerTester
A test utility that verifies that your methods throw {@link NullPointerException} or {@link UnsupportedOperationException} whenever anyof their parameters are null. To use it, you must first provide valid default values for the parameter types used by the class. @author Kevin Bourrillion @since Guava release 10

    assertEquals(hashmap.toString(), Maps.toStringImpl(hashmap));
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointerExceptions() {
    new NullPointerTester().testAllPublicStaticMethods(Maps.class);
  }

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    thread.join();
    assertTrue(completed);
  }


  public void testNulls() {
    NullPointerTester npTester = new NullPointerTester();
    npTester.testAllPublicConstructors(ThreadFactoryBuilder.class);
    npTester.testAllPublicStaticMethods(ThreadFactoryBuilder.class);
    npTester.testAllPublicInstanceMethods(builder);
  }

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@GwtCompatible(emulated = true)
public class FluentIterableTest extends TestCase {


  @GwtIncompatible("NullPointerTester")
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(FluentIterable.class);
  }

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        .testEquals();
  }


  @GwtIncompatible("reflection")
  public void testNulls() throws Exception {
    new NullPointerTester()
        .setDefault(Class.class, Color.class)
        .setDefault(Iterable.class, EnumSet.allOf(Color.class))
        .testAllPublicStaticMethods(EnumMultiset.class);
  }

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    return new TypeToken<T[]>() {}
        .where(new TypeParameter<T>() {}, componentType);
  }


  public <T> void testNulls() {
    new NullPointerTester()
        .testAllPublicStaticMethods(TypeToken.class);
    new NullPointerTester()
        .setDefault(TypeParameter.class, new TypeParameter<T>() {})
        .testAllPublicInstanceMethods(TypeToken.of(String.class));
  }

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    }
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Splitter.class);
    tester.testAllPublicInstanceMethods(Splitter.on(','));
    tester.testAllPublicInstanceMethods(Splitter.on(',').trimResults());
  }

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  }


  // null parameters test


  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    CacheLoader<Object, Object> loader = identityLoader();
    tester.testAllPublicInstanceMethods(makeCache(createCacheBuilder(), loader));
  }

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    assertEquals(2, queue.size());
    assertEquals(1, queue.remainingCapacity());
  }


  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(EvictingQueue.class);
    tester.testAllPublicConstructors(EvictingQueue.class);
    EvictingQueue<String> queue = EvictingQueue.create(5);
    // The queue must be non-empty so it throws a NPE correctly
    queue.add("one");
    tester.testAllPublicInstanceMethods(queue);
  }

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    } catch (UnsupportedOperationException expected) {
    }
  }


  public void testNullPointers() {
    new NullPointerTester().testAllPublicStaticMethods(Throwables.class);
  }

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    assertSame(Collections.emptyList(), Shorts.asList(EMPTY));
  }


  @GwtIncompatible("NullPointerTester")
  public void testNulls() {
    new NullPointerTester().testAllPublicStaticMethods(Shorts.class);
  }

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Related Classes of com.google.common.testing.NullPointerTester

com.google.common.base.CharMatcherTest

com.google.common.base.EnumsTest

com.google.common.base.JoinerTest

com.google.common.base.ObjectsTest

com.google.common.base.OptionalTest

com.google.common.base.PreconditionsTest

com.google.common.base.PredicatesTest

com.google.common.base.SplitterTest

com.google.common.base.StringsTest

com.google.common.base.SuppliersTest

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