How to use

UnsafeTools

in

com.wizzardo.tools.reflection

public static void arraycopy(ByteBuffer src, int srcPos, ByteBuffer dest, int destPos, int length) {
  if (length < 0)
    throw new IndexOutOfBoundsException("length must be >= 0. (length = " + length + ")");
  if (srcPos < 0)
    throw new IndexOutOfBoundsException("srcPos must be >= 0. (srcPos = " + srcPos + ")");
  if (destPos < 0)
    throw new IndexOutOfBoundsException("destPos must be >= 0. (destPos = " + destPos + ")");
  if (srcPos + length > src.capacity())
    throw new IndexOutOfBoundsException("srcPos + length must be <= src.capacity(). (srcPos = " + srcPos + ", length = " + length + ", capacity = " + src.capacity() + ")");
  if (destPos + length > dest.capacity())
    throw new IndexOutOfBoundsException("destPos + length must be <= dest.capacity(). (destPos = " + destPos + ", length = " + length + ", capacity = " + dest.capacity() + ")");
  if (SUPPORTED) {
    copy(src, srcPos, dest, destPos, length);
  } else {
    UnsafeTools.getUnsafe().copyMemory(address(src) + srcPos, address(dest) + destPos, length);
  }
}

  private void switchUnsafe(boolean enabled) throws NoSuchFieldException, IllegalAccessException {
    Field field = FieldReflectionFactory.class.getDeclaredField("unsafe");

    Field modifiersField = Field.class.getDeclaredField("modifiers");
    modifiersField.setAccessible(true);
    modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);

    field.setAccessible(true);
    field.set(null, enabled ? UnsafeTools.getUnsafe() : null);
  }
}

@Test
public void test_parameter_has_name() throws IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchFieldException {
  Constructor<java.lang.reflect.Parameter> parameterConstructor = (Constructor<java.lang.reflect.Parameter>) java.lang.reflect.Parameter.class.getDeclaredConstructors()[0];
  parameterConstructor.setAccessible(true);
  Method method = (Method) UnsafeTools.getUnsafe().allocateInstance(Method.class);
  java.lang.reflect.Parameter parameter = parameterConstructor.newInstance("fieldName", 0, method, 0);
  new FieldReflectionFactory().create(Executable.class, "hasRealParameterData", true).setBoolean(method, true);
  new FieldReflectionFactory().create(Executable.class, "parameters", true).setObject(method, Array.newInstance(java.lang.reflect.Parameter.class, 1));
  Assert.assertEquals("fieldName", ParametersHelper.getParameterName(parameter));
}