How to assertThat something is null with Hamcrest?

Question

How would I assertThat something is null?

for example

 assertThat(attr.getValue(), is(\"\"));

But I get an e

Answer 1

If you want to hamcrest, you can do

import static org.hamcrest.Matchers.nullValue;

assertThat(attr.getValue(), is(nullValue()));

In Junit you can do

import static junit.framework.Assert.assertNull;
assertNull(object);