com.google.common.testing.ClassSanityTester Java Examples

@Test public void testNulls() throws Exception {
  NullPointerTester tester = new NullPointerTester();
  asList(MoreStreams.class.getDeclaredMethods()).stream()
      .filter(m -> m.getName().equals("generate"))
      .forEach(tester::ignore);
  tester.testAllPublicStaticMethods(MoreStreams.class);
  new ClassSanityTester().forAllPublicStaticMethods(MoreStreams.class).testNulls();
}
 

@Test public void testNulls() throws Exception {
  new NullPointerTester()
      .setDefault(Optional.class, Optional.empty())
      .setDefault(OptionalInt.class, OptionalInt.empty())
      .setDefault(OptionalLong.class, OptionalLong.empty())
      .setDefault(OptionalDouble.class, OptionalDouble.empty())
      .ignore(Optionals.class.getMethod("optional", boolean.class, Object.class))
      .testAllPublicStaticMethods(Optionals.class);
  new NullPointerTester()
      .setDefault(Optional.class, Optional.of("foo"))
      .setDefault(OptionalInt.class, OptionalInt.of(123))
      .setDefault(OptionalLong.class, OptionalLong.of(123))
      .setDefault(OptionalDouble.class, OptionalDouble.of(123))
      .ignore(Optionals.class.getMethod("optional", boolean.class, Object.class))
      .testAllPublicStaticMethods(Optionals.class);
  new ClassSanityTester()
      .setDefault(Optional.class, Optional.empty())
      .setDefault(OptionalInt.class, OptionalInt.empty())
      .setDefault(OptionalLong.class, OptionalLong.empty())
      .setDefault(OptionalDouble.class, OptionalDouble.empty())
      .forAllPublicStaticMethods(Optionals.class).testNulls();
  new ClassSanityTester()
      .setDefault(Optional.class, Optional.of("foo"))
      .setDefault(OptionalInt.class, OptionalInt.of(123))
      .setDefault(OptionalLong.class, OptionalLong.of(123))
      .setDefault(OptionalDouble.class, OptionalDouble.of(123))
      .forAllPublicStaticMethods(Optionals.class).testNulls();
}
 

@Test public void testNulls() {
  new ClassSanityTester().testNulls(Parallelizer.class);
  Parallelizer parallelizer = new Parallelizer(threadPool, 1);
  assertThrows(
      NullPointerException.class,
      () -> parallelizer.parallelize(nullTasks(), 1, TimeUnit.MILLISECONDS));
  assertThrows(NullPointerException.class, () -> parallelizer.parallelize(nullTasks()));
  assertThrows(
      NullPointerException.class, () -> parallelizer.parallelizeUninterruptibly(nullTasks()));
}
 

private static ClassSanityTester.FactoryMethodReturnValueTester sanityTester() {
  return new ClassSanityTester()
      .setDefault(byte[].class, new byte[]{1, 2, 3, 4})
      .setDistinctValues(byte[].class, new byte[]{1, 2, 3, 4}, new byte[]{5, 6, 7, 8})
      .setDistinctValues(String.class, "7f8005ff0e", "7f8005ff0f")
      .forAllPublicStaticMethods(HashCode.class);
}
 

@Test
public void nullChecks() throws Exception {
  new ClassSanityTester().testNulls(Selection.class);
  new ClassSanityTester().forAllPublicStaticMethods(Selection.class).testNulls();
}
 

@Test public void testNulls() {
  new ClassSanityTester().testNulls(Funnel.class);
  new NullPointerTester().testAllPublicInstanceMethods(new Funnel<String>().through(batch::send));
}
 

@Test public void testNulls() {
  new ClassSanityTester().testNulls(ExceptionPlan.class);
}
 

private static ClassSanityTester newClassSanityTester() {
  return new ClassSanityTester()
      .setDefault(int.class, 0)
      .setDefault(Substring.Pattern.class, Substring.BEGINNING);
}
 

@Test public void testNulls_instanceMethods() throws Exception {
  new ClassSanityTester()
      .forAllPublicStaticMethods(Maybe.class)
      .testNulls();
}
 

@Test
public void staticMethods_nullCheck() throws Exception {
  new NullPointerTester().testAllPublicStaticMethods(CycleDetector.class);
  new ClassSanityTester().forAllPublicStaticMethods(CycleDetector.class).testNulls();
}
 

@Test
public void staticMethods_nullCheck() throws Exception {
  new NullPointerTester().testAllPublicStaticMethods(Walker.class);
  new ClassSanityTester().forAllPublicStaticMethods(Walker.class).testNulls();
}
 

@Test
public void autoTestNulls() {
	new ClassSanityTester().testNulls(SerializableSaltedHasher.class);
}
 

@Test
public void autoTestNulls() {
	// chose 15 for int so it passes checks
	new ClassSanityTester().setDefault(int.class, 15).testNulls(FilterTable.class);
}
 

@Test
public void autoTestNulls() {
	// chose 8 for int so it passes bucket and tag size checks
	new ClassSanityTester().setDefault(SerializableSaltedHasher.class, getUnsaltedHasher())
			.setDefault(long.class, 8L).setDefault(int.class, 8).testNulls(IndexTagCalc.class);
}
 

@Test
public void autoTestNulls() {
	// chose 15 for int so it passes checks
	new ClassSanityTester().setDefault(int.class, 15).setDefault(long.class, 15L).setDefault(double.class, 0.001)
			.testNulls(CuckooFilter.class);
}
 

@GwtIncompatible("reflection")
public void testSuppliersNullChecks() throws Exception {
	new ClassSanityTester().forAllPublicStaticMethods(Suppliers.class)
			.testNulls();
}