java - How to assertThat something is null with Hamcrest? - Stack Overflow

java - How to assertThat something is null with Hamcrest? - Stack Overflow

You can use IsNull.nullValue() method:

import static org.hamcrest.Matchers.is;  import static org.hamcrest.Matchers.nullValue;    assertThat(attr.getValue(), is(nullValue()));

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