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

        Suppliers.synchronizedSupplier(Suppliers.ofInstance(5))).get());
  }


  @GwtIncompatible("NullPointerTest")
  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Suppliers.class);
  }

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    }
  }


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

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        new DontStringMeBro(), null, new DontStringMeBro()));
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(StringBuilder.class, new StringBuilder());
    tester.testAllPublicStaticMethods(Joiner.class);
    tester.testAllPublicInstanceMethods(Joiner.on(","));
    tester.testAllPublicInstanceMethods(Joiner.on(",").skipNulls());
    tester.testAllPublicInstanceMethods(Joiner.on(",").useForNull("x"));
    tester.testAllPublicInstanceMethods(
        Joiner.on(",").withKeyValueSeparator("="));
  }

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


  @GwtIncompatible("NullPointerTester")
  public void testStaticNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(CharMatcher.class);
    tester.testAllPublicInstanceMethods(CharMatcher.ANY);
    tester.testAllPublicInstanceMethods(CharMatcher.anyOf("abc"));
  }

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    assertEquals(0, matcher.countIn(""));
  }


  @GwtIncompatible("NullPointerTester")
  private void doTestNull(CharMatcher matcher) throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(matcher);
  }

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    // Predicate<Integer> p4 = Predicates.<Integer>in(nums);
  }


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

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    assertFalse(isFoobar.apply("Foobarx"));
  }


  @GwtIncompatible("NullPointerTester")
  public void testContainsPattern_nulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    Predicate<CharSequence> isWooString = Predicates.containsPattern("Woo");


    tester.testAllPublicInstanceMethods(isWooString);
  }

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    tester.testAllPublicInstanceMethods(isWooString);
  }


  @GwtIncompatible("NullPointerTester")
  public void testContains_nulls() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    Predicate<CharSequence> isWooPattern =
        Predicates.contains(Pattern.compile("Woo"));


    tester.testAllPublicInstanceMethods(isWooPattern);
  }

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    }
  }


  @GwtIncompatible("NullPointerTester")
  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicStaticMethods(Strings.class);
  }

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    } catch (UnsupportedOperationException expected) {
    }
  }


  public void testNullPointers() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(Throwable.class, new SomeCheckedException());
    tester.setDefault(Class.class, SomeCheckedException.class);
    tester.testAllPublicStaticMethods(Throwables.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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