Examples of com.google.common.testutils.NullPointerTester

com.google.common.testutils.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

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


  public void testNullPointerExceptions() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(Enum.class, SomeEnum.A);


    // TODO: make NPT create empty arrays for defaults automatically
    tester.setDefault(Collection[].class, new Collection[0]);
    tester.setDefault(Enum[].class, new Enum[0]);
    tester.setDefault(Set[].class, new Set[0]);
    tester.testAllPublicStaticMethods(Sets.class);
  }

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


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableMultiset.class);
  }

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      assertSame(comparator, map.comparator());
    }    
  }


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSortedMap.class);
    tester.testAllPublicInstanceMethods(
        ImmutableSortedMap.<String, Integer>naturalOrder());
    if (false) {
      // these tests aren't included due to a bug in NullPointerTester
      // TODO: fix that bug, add these tests
      tester.testAllPublicInstanceMethods(ImmutableSortedMap.of());
      tester.testAllPublicInstanceMethods(ImmutableSortedMap.of("one", 1));
      tester.testAllPublicInstanceMethods(
          ImmutableSortedMap.of("one", 1, "two", 2, "three", 3));
    }
  }

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      assertSame(copy, ImmutableMap.copyOf(copy));
    }
  }


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableMap.class);
    tester.testAllPublicInstanceMethods(
        new ImmutableMap.Builder<Object, Object>());
    if (false) {
      // these tests aren't included due to a bug in NullPointerTester
      // TODO: fix that bug, add these tests
      tester.testAllPublicInstanceMethods(ImmutableMap.of());
      tester.testAllPublicInstanceMethods(ImmutableMap.of("one", 1));
      tester.testAllPublicInstanceMethods(
          ImmutableMap.of("one", 1, "two", 2, "three", 3));
    }
  }

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      fail("Empty map must result in an IllegalArgumentException");
    } catch (IllegalArgumentException expected) {}
  }


  public void testNullPointerExceptions() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(BiMap.class, ImmutableBiMap.of());
    tester.testAllPublicStaticMethods(Maps.class);
  }

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    Set<String[]> set = ImmutableSet.<String[]>of(array);
    assertEquals(Collections.singleton(array), set);
  }


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSet.class);
  }

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 * @author Kevin Bourrillion
 */
public class ObjectArraysTest extends TestCase {


  public void testNullPointerExceptions() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ObjectArrays.class);
  }

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  @Override protected Set<String> copyOf(Iterator<String> elements) {
    return ImmutableSortedSet.copyOf(elements);
  }


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(ImmutableSortedSet.class);
  }

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              new Class[] {ConcurrentlyMutatedList.class}, invocationHandler);
      return list;
    }


    public void testNullPointers() throws Exception {
      NullPointerTester tester = new NullPointerTester();
      tester.testAllPublicStaticMethods(ImmutableList.class);
      // TODO: get this re-enabled
      // tester.testAllPublicInstanceMethods(ImmutableList.of(1, 2, 3));
    }

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    assertEquals("a", array[0]);
    assertNull(array[1]);
  }


  public void testNullPointerExceptions() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(c);
  }

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

com.google.common.base.FunctionsTest

com.google.common.base.JoinerTest

com.google.common.base.PredicatesTest

com.google.common.collect.AbstractCollectionTest

com.google.common.collect.Collections2Test

com.google.common.collect.ImmutableListTest$CreationTests

com.google.common.collect.ImmutableMapTest

com.google.common.collect.ImmutableMultisetTest

com.google.common.collect.ImmutableSetTest

com.google.common.collect.ImmutableSortedMapTest

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