How to use containsOnlyNulls method of org.assertj.core.api.AbstractIterableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractIterableAssert.containsOnlyNulls

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...15import org.assertj.core.api.ConcreteIterableAssert;16import org.assertj.core.api.IterableAssertBaseTest;17import static org.mockito.Mockito.verify;18/​**19 * Tests for <code>{@link AbstractIterableAssert#containsOnlyNulls()}</​code>.20 *21 * @author Billy Yuan22 */​23public class IterableAssert_containsOnlyNulls_Test extends IterableAssertBaseTest {24 @Override25 protected ConcreteIterableAssert<Object> invoke_api_method() {26 return assertions.containsOnlyNulls();27 }28 @Override29 protected void verify_internal_effects() {30 verify(iterables).assertContainsOnlyNulls(getInfo(assertions), getActual(assertions));31 }32}...

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containsOnlyNulls

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1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4public class AssertJContainsOnlyNullsExample {5 public static void main(String[] args) {6 List<String> list = new ArrayList<>();7 list.add(null);8 list.add(null);9 list.add(null);10 assertThat(list).containsOnlyNulls();11 }12}13public SELF containsOnlyNulls()14import static org.assertj.core.api.Assertions.assertThat;15import java.util.ArrayList;16import java.util.List;17public class AssertJContainsOnlyNullsExample {18 public static void main(String[] args) {19 List<String> list = new ArrayList<>();20 list.add(null);21 list.add(null);22 list.add(null);23 assertThat(list).containsOnlyNulls();24 }25}26import static org.assertj.core.api.Assertions.assertThat;27import java.util.ArrayList;28import java.util.List;29public class AssertJContainsOnlyNullsExample {30 public static void main(String[] args) {31 List<String> list = new ArrayList<>();32 list.add(null);33 list.add(null);34 list.add(null);35 assertThat(list).containsOnlyNulls();36 }37}

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containsOnlyNulls

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1assertThat(new ArrayList<String>()).containsOnlyNulls();2assertThat(new ArrayList<String>()).containsOnlyNulls();3assertThat(new ArrayList<String>()).containsOnlyNulls();4assertThat(new String[] {}).containsOnlyNulls();5assertThat(new String[] {}).containsOnlyNulls();6assertThat(new String[] {}).containsOnlyNulls();7assertThat("abc").containsOnlyNulls();8assertThat("abc").containsOnlyNulls();9assertThat("abc").containsOnlyNulls();10assertThat(new String[] {}).containsOnlyNulls();11assertThat(new String[] {}).containsOnlyNulls();12assertThat(new String[] {}).containsOnlyNulls();13assertThat(new Object()).containsOnlyNulls();14assertThat(new Object()).containsOnlyNulls();15assertThat(new Object()).containsOnlyNulls();16assertThat(new boolean[] {}).containsOnlyNulls();17assertThat(new boolean[] {}).containsOnlyNulls();18assertThat(new boolean[] {}).containsOnlyNulls();19assertThat(new byte[] {}).containsOnlyNulls();20assertThat(new byte[] {}).containsOnlyNulls();21assertThat(new byte[] {}).containsOnlyNulls();22assertThat(new short[] {}).containsOnlyNulls();23assertThat(new short[] {}).containsOnlyNulls();24assertThat(new short[] {}).containsOnlyNulls();25assertThat(new int[] {}).containsOnlyNulls();26assertThat(new int[] {}).containsOnlyNulls();27assertThat(new int[] {}).containsOnlyNulls();28assertThat(new long[] {}).containsOnlyNulls();29assertThat(new long[] {}).containsOnlyNulls();

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containsOnlyNulls

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1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4public class AssertJContainsOnlyNullsMethodExample {5 public static void main(String[] args) {6 List<String> list = Arrays.asList("a", "b", "c");7 assertThat(list).containsOnlyNulls();8 }9}10assertThat(actual).containsOnlyNulls();

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containsOnlyNulls

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1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4public class ContainsOnlyNullsExample {5 public static void main(String[] args) {6 List<String> list = Arrays.asList("foo", null);7 assertThat(list).containsOnlyNulls();8 }9}10import static org.assertj.core.api.Assertions.assertThat;11import java.util.Arrays;12import java.util.List;13public class ContainsOnlyNullsExample {14 public static void main(String[] args) {15 List<String> list = Arrays.asList("foo", null);16 assertThat(list).containsOnlyNulls();17 }18}

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containsOnlyNulls

Using AI Code Generation

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1import static org.assertj.core.api.Assertions.assertThat;2import java.util.Arrays;3import java.util.List;4public class IterableAssert_containsOnlyNulls_Test {5 public static void main(String[] args) {6 List<String> list = Arrays.asList("one", "two", "three");7 assertThat(list).containsOnlyNulls();8 List<String> list2 = Arrays.asList("one", null, "three");9 assertThat(list2).containsOnlyNulls();10 }11}12 at org.junit.Assert.assertEquals(Assert.java:115)13 at org.junit.Assert.assertEquals(Assert.java:144)14 at IterableAssert_containsOnlyNulls_Test.main(IterableAssert_containsOnlyNulls_Test.java:21)

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containsOnlyNulls

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1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class ContainsOnlyNullsTest {4 public void testContainsOnlyNulls() {5 assertThat(new String[]{"a", null, "c"}).containsOnlyNulls();6 }7}8public SELF containsOnlyNulls() {9 iterables.assertContainsOnlyNulls(info, actual);10 return myself;11}12public void assertContainsOnlyNulls(AssertionInfo info, Iterable<?> actual) {13 assertNotNull(info, actual);14 List<?> notNullElements = filter(actual, notNull());15 if (!notNullElements.isEmpty())16 throw failures.failure(info, shouldContainOnlyNulls(actual, notNullElements));17}18public AssertionError shouldContainOnlyNulls(Iterable<?> actual, List<?> notNullElements) {19 return new AssertionError(shouldContainOnlyNulls(actual, notNullElements).create());20}

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containsOnlyNulls

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1import static org.assertj.core.api.Assertions.assertThat;2public class IterableAssert_containsOnlyNulls_Test {3 public void test() {4 assertThat(Arrays.asList("a", "b", "c")).containsOnlyNulls();5 }6}7at org.assertj.core.api.AbstractIterableAssert.isEmpty(AbstractIterableAssert.java:181)8at org.assertj.core.api.AbstractIterableAssert.containsOnlyNulls(AbstractIterableAssert.java:196)9at com.baeldung.assertj.IterableAssert_containsOnlyNulls_Test.test(IterableAssert_containsOnlyNulls_Test.java:10)

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