Examples of com.google.common.testing.NullPointerTester$Signature

com.google.common.testing.NullPointerTester
A test utility that verifies that your methods and constructors throw {@link NullPointerException} or {@link UnsupportedOperationException} whenever nullis passed to a parameter that isn't annotated with {@link Nullable}.
The tested methods and constructors are invoked -- each time with one parameter being null and the rest not null -- and the test fails if no expected exception is thrown. {@code NullPointerTester} uses best effort topick non-null default values for many common JDK and Guava types, and also for interfaces and public classes that have public parameter-less constructors. When the non-null default value for a particular parameter type cannot be provided by {@code NullPointerTester}, the caller can provide a custom non-null default value for the parameter type via {@link #setDefault}. @author Kevin Bourrillion @since 10.0

    assertEquals(1, Booleans.countTrue(false, false, true, false, false));
  }


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

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      fail();
    } catch (IllegalArgumentException expected) {}
  }


  public void testNulls() {
    new NullPointerTester()
        .setDefault(Class.class, Runnable.class)
        .testAllPublicInstanceMethods(new ForwardingWrapperTester());
  }

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    assertFalse(changed);
  }


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

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


  @GwtIncompatible("NullPointerTester")
  public void testNullParameters() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(new MapMaker());
  }

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    }
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointers() {
    new NullPointerTester().testAllPublicStaticMethods(Multimaps.class);
  }

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    }
  }


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

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    assertThat(binaryIterationOrder(BIN_ADAPTER.inOrderTraversal(bd))).isEqualTo("abcdegf");
  }


  @GwtIncompatible("NullPointerTester")
  public void testNulls() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(ADAPTER);
    tester.testAllPublicInstanceMethods(BIN_ADAPTER);
  }

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      // expected
    }
  }


  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicConstructors(MinMaxPriorityQueue.class);
    tester.testAllPublicStaticMethods(MinMaxPriorityQueue.class);
    tester.testAllPublicInstanceMethods(MinMaxPriorityQueue.<String>create());
  }

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    assertNull(map.get(null));
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSortedMap.class);
    tester.testAllPublicInstanceMethods(
        ImmutableSortedMap.<String, Integer>naturalOrder());
    tester.testAllPublicInstanceMethods(ImmutableSortedMap.of());
    tester.testAllPublicInstanceMethods(ImmutableSortedMap.of("one", 1));
    tester.testAllPublicInstanceMethods(
        ImmutableSortedMap.of("one", 1, "two", 2, "three", 3));
  }

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        EnumBiMap.create(ImmutableMap.of(Currency.DOLLAR, Country.CANADA)));
  }


  @GwtIncompatible("reflection")
  public void testNulls() {
    new NullPointerTester().testAllPublicStaticMethods(EnumBiMap.class);
    new NullPointerTester()
        .testAllPublicInstanceMethods(
            EnumBiMap.create(ImmutableMap.of(Currency.DOLLAR, Country.CHILE)));
  }

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