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How to use AtomicLongFieldUpdater_hasValue_Test class of org.assertj.core.api.atomic package

Best Assertj code snippet using org.assertj.core.api.atomic.AtomicLongFieldUpdater_hasValue_Test

Source: AtomicLongFieldUpdater_hasValue_Test.java

...15import org.assertj.core.error.ShouldHaveValue;16import org.assertj.core.util.FailureMessages;17import org.junit.jupiter.api.Test;18import static java.util.concurrent.atomic.AtomicLongFieldUpdater.newUpdater;19public class AtomicLongFieldUpdater_hasValue_Test {20    @SuppressWarnings("unused")21    private static class Person {22        private String name;23        volatile long age;24    }25    private AtomicLongFieldUpdater_hasValue_Test.Person person = new AtomicLongFieldUpdater_hasValue_Test.Person();26    @Test27    public void should_fail_when_atomicLongFieldUpdater_is_null() {28        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(((AtomicLongFieldUpdater<org.assertj.core.api.atomic.Person>) (null))).hasValue(25L, person)).withMessage(FailureMessages.actualIsNull());29    }30    @Test31    public void should_fail_if_expected_value_is_null_and_does_not_contain_expected_value() {32        java.util.concurrent.atomic.AtomicLongFieldUpdater<AtomicLongFieldUpdater_hasValue_Test.Person> fieldUpdater = newUpdater(AtomicLongFieldUpdater_hasValue_Test.Person.class, "age");33        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> assertThat(fieldUpdater).hasValue(null, person)).withMessage("The expected value should not be <null>.");34    }35    @Test36    public void should_fail_if_atomicLongFieldUpdater_does_not_contain_expected_value() {37        java.util.concurrent.atomic.AtomicLongFieldUpdater<AtomicLongFieldUpdater_hasValue_Test.Person> fieldUpdater = newUpdater(AtomicLongFieldUpdater_hasValue_Test.Person.class, "age");38        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(fieldUpdater).hasValue(25L, person)).withMessage(ShouldHaveValue.shouldHaveValue(fieldUpdater, person.age, 25L, person).create());39    }40    @Test41    public void should_pass_if_atomicLongFieldUpdater_contains_expected_value() {42        java.util.concurrent.atomic.AtomicLongFieldUpdater<AtomicLongFieldUpdater_hasValue_Test.Person> fieldUpdater = newUpdater(AtomicLongFieldUpdater_hasValue_Test.Person.class, "age");43        fieldUpdater.set(person, 25);44        Assertions.assertThat(fieldUpdater).hasValue(25L, person);45    }46}...

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