Examples of 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
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

Examples of com.google.common.testing.NullPointerTester

    }
  }


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

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Examples of com.google.common.testutils.NullPointerTester

      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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