Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use IterableUtil method of org.assertj.core.util.IterableUtil class

Best Assertj code snippet using org.assertj.core.util.IterableUtil.IterableUtil

Source:StandardComparisonStrategy_duplicatesFrom_Test.java

...14import java.util.ArrayList;15import java.util.List;16import org.assertj.core.api.Assertions;17import org.assertj.core.util.Arrays;18import org.assertj.core.util.IterableUtil;19import org.assertj.core.util.Lists;20import org.junit.jupiter.api.Test;21/**22 * Tests for {@link StandardComparisonStrategy#duplicatesFrom(java.util.Collection)}.<br>23 *24 * @author Joel Costigliola25 */26public class StandardComparisonStrategy_duplicatesFrom_Test extends AbstractTest_StandardComparisonStrategy {27    @Test28    public void should_return_existing_duplicates() {29        List<String> list = Lists.newArrayList("Merry", "Frodo", null, null, "Merry", "Sam", "Frodo");30        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(list);31        Assertions.assertThat(IterableUtil.sizeOf(duplicates)).isEqualTo(3);32        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, "Frodo")).isTrue();33        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, "Merry")).isTrue();34        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, null)).isTrue();35    }36    @Test37    public void should_return_existing_duplicates_array() {38        List<String[]> list = Lists.newArrayList(Arrays.array("Merry"), Arrays.array("Frodo"), new String[]{ null }, new String[]{ null }, Arrays.array("Merry"), Arrays.array("Sam"), Arrays.array("Frodo"));39        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(list);40        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, new String[]{ null })).as("must contains null").isTrue();41        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, Arrays.array("Frodo"))).as("must contains Frodo").isTrue();42        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, Arrays.array("Merry"))).as("must contains Merry").isTrue();43        Assertions.assertThat(IterableUtil.sizeOf(duplicates)).isEqualTo(3);44    }45    @Test46    public void should_not_return_any_duplicates() {47        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(Lists.newArrayList("Frodo", "Sam", "Gandalf"));48        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();49    }50    @Test51    public void should_not_return_any_duplicates_if_collection_is_empty() {52        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(new ArrayList());53        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();54    }55    @Test56    public void should_not_return_any_duplicates_if_collection_is_null() {57        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(null);58        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();59    }60}...

Source:IterableUtil_toArray_Test.java

...15import java.util.Collections;16import org.assertj.core.api.Assertions;17import org.junit.jupiter.api.Test;18/**19 * Tests for <code>{@link IterableUtil#toArray(Iterable)}</code>.20 *21 * @author Jean-Christophe Gay22 */23public class IterableUtil_toArray_Test {24    private final ArrayList<String> values = Lists.newArrayList("one", "two");25    @Test26    public void should_return_null_when_given_iterable_is_null() {27        Assertions.assertThat(IterableUtil.toArray(null)).isNull();28        Assertions.assertThat(IterableUtil.toArray(null, Object.class)).isNull();29    }30    @Test31    public void should_return_an_object_array_with_given_iterable_elements() {32        Object[] objects = IterableUtil.toArray(values);33        Assertions.assertThat(objects).containsExactly("one", "two");34        String[] strings = IterableUtil.toArray(values, String.class);35        Assertions.assertThat(strings).containsExactly("one", "two");36    }37    @Test38    public void should_return_empty_array_when_given_iterable_is_empty() {39        Assertions.assertThat(IterableUtil.toArray(Collections.emptyList())).isEmpty();40        Assertions.assertThat(IterableUtil.toArray(Collections.emptyList(), Object.class)).isEmpty();41    }42    @Test43    public void should_return_an_array_of_given_iterable_type_with_given_iterable_elements() {44        CharSequence[] result = IterableUtil.toArray(values, CharSequence.class);45        Assertions.assertThat(result).containsExactly("one", "two");46    }47}...

Source:IterableUtilTest.java

...6import static org.assertj.core.api.Assertions.assertThatThrownBy;7/**8 * Created by lucky on 27.12.16.9 */10public class IterableUtilTest {11    @Test12    public void testWithFirstNull() throws Exception {13        assertThatThrownBy(() -> IterableUtil.concat(null, new ArrayList<>())).isInstanceOf(NullPointerException.class);14    }15    @Test16    public void testWithSecondNull() throws Exception {17        assertThatThrownBy(() -> IterableUtil.concat(null, new ArrayList<>())).isInstanceOf(NullPointerException.class);18    }19    @Test20    public void testEmpty() throws Exception {21        Iterable<String> iterable = IterableUtil.concat(new ArrayList<>(), new ArrayList<>());22        assertThat(iterable.iterator()).isNotNull();23        assertThat(iterable).isEmpty();24        assertThat(iterable.iterator().hasNext()).isFalse();25    }26    @Test27    public void testSecondEmpty() throws Exception {28        Iterable<String> iterable = IterableUtil.concat(Arrays.asList("one", "two"), new ArrayList<>());29        assertThat(iterable).containsExactly("one", "two");30    }31    @Test32    public void testFirstEmpty() throws Exception {33        Iterable<String> iterable = IterableUtil.concat(new ArrayList<>(), Arrays.asList("one", "two"));34        assertThat(iterable).containsExactly("one", "two");35    }36    @Test37    public void testConcat() throws Exception {38        Iterable<String> iterable = IterableUtil.concat(39                Arrays.asList("one", "two"),40                Arrays.asList("three", "four", "five"));41        // multiple iteration42        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");43        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");44        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");45    }46}...

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.Arrays;3import java.util.List;4public class 1 {5   public static void main(String[] args) {6      List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);7      IterableUtil.iterable(list);8      System.out.println("IterableUtil: " + IterableUtil.iterable(list));9   }10}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.Arrays;3public class IterableUtilExample {4   public static void main(String[] args) {5      Iterable<Integer> iterable = Arrays.asList(1, 2, 3, 4, 5);6      System.out.println(IterableUtil.toArray(iterable, Integer.class));7   }8}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.List;3import java.util.ArrayList;4public class IterableUtilExample {5    public static void main(String[] args) {6        List<String> list = new ArrayList<>();7        list.add("A");8        list.add("B");9        list.add("C");10        list.add("D");11        list.add("E");12        System.out.println(IterableUtil.join(list));13    }14}15Example 2: Using IterableUtil.join() method with delimiter16import org.assertj.core.util.IterableUtil;17import java.util.List;18import java.util.ArrayList;19public class IterableUtilExample {20    public static void main(String[] args) {21        List<String> list = new ArrayList<>();22        list.add("A");23        list.add("B");24        list.add("C");25        list.add("D");26        list.add("E");27        System.out.println(IterableUtil.join(list, " "));28    }29}30Example 3: Using IterableUtil.join() method with delimiter and prefix and suffix31import org.assertj.core.util.IterableUtil;32import java.util.List;33import java.util.ArrayList;34public class IterableUtilExample {35    public static void main(String[] args) {36        List<String> list = new ArrayList<>();37        list.add("A");38        list.add("B");39        list.add("C");40        list.add("D");41        list.add("E");42        System.out.println(IterableUtil.join(list, " ", "(", ")"));43    }44}45Example 4: Using IterableUtil.join() method with delimiter, prefix, suffix and elementFormatter46import org.assertj.core.util.IterableUtil;47import java.util.List;48import java.util.ArrayList;49import java.util.function.Function;50public class IterableUtilExample {51    public static void main(String[] args) {52        List<String> list = new ArrayList<>();53        list.add("A");54        list.add("B");55        list.add("C");56        list.add("D");57        list.add("E");

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.ArrayList;3import java.util.List;4public class IterableUtilExample {5   public static void main(String[] args) {6      List<Integer> list = new ArrayList<Integer>();7      list.add(1);8      list.add(2);9      list.add(3);10      list.add(4);11      list.add(5);12      IterableUtil.forEach(list).accept(System.out::println);13   }14}

IterableUtil

Using AI Code Generation

1package org.example;2import org.assertj.core.util.IterableUtil;3import java.util.List;4import java.util.ArrayList;5public class App {6    public static void main(String[] args) {7        List<Integer> list = new ArrayList<Integer>();8        list.add(1);9        list.add(2);10        list.add(3);11        list.add(4);12        list.add(5);13        System.out.println(IterableUtil.sizeOf(list));14    }15}16Recommended Posts: Java | IterableUtil.first(Iterable) method17Java | IterableUtil.last(Iterable) method18Java | IterableUtil.sizeOf(Iterable) method19Java | IterableUtil.toArray(Iterable) method20Java | IterableUtil.toList(Iterable) method21Java | IterableUtil.toSet(Iterable) method22Java | IterableUtil.toCollection(Iterable) method23Java | IterableUtil.contains(Iterable, Object) method24Java | IterableUtil.containsAll(Iterable, Iterable) method25Java | IterableUtil.containsAny(Iterable, Iterable) method26Java | IterableUtil.containsOnly(Iterable, Iterable) method27Java | IterableUtil.containsOnlyNulls(Iterable) method28Java | IterableUtil.containsOnlyOnce(Iterable, Object) method29Java | IterableUtil.containsOnlyOnce(Iterable, Object[]) method30Java | IterableUtil.containsOnlyOnce(Iterable, Iterable) method31Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object) method32Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object) method33Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object) method34Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object) method35Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object, Object) method36Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object, Object, Object) method37Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object, Object, Object, Object) method38Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object) method39Java | IterableUtil.containsOnlyOnce(Iterable, Object, Object, Object, Object, Object, Object, Object, Object, Object, Object

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.List;3import java.util.ArrayList;4public class IterableUtilExample {5   public static void main(String[] args) {6      List<String> list = new ArrayList<String>();7      list.add("Apple");8      list.add("Orange");9      list.add("Banana");10      list.add("Grapes");11      list.add("Pineapple");12      System.out.println("List of fruits: " + list);13      String[] array = IterableUtil.toArray(list);14      System.out.println("Array of fruits: ");15      for (String s : array) {16         System.out.println(s);17      }18   }19}20import org.assertj.core.util.IterableUtil;21import java.util.List;22import java.util.ArrayList;23public class IterableUtilExample {24   public static void main(String[] args) {25      List<String> list = new ArrayList<String>();26      list.add("Apple");27      list.add("Orange");28      list.add("Banana");29      list.add("Grapes");30      list.add("Pineapple");31      System.out.println("List of fruits: " + list);32      List<String> newList = IterableUtil.toList(list);33      System.out.println("New list of fruits: " + newList);34   }35}36import org.assertj.core.util.IterableUtil;37import java.util.List;38import java.util.ArrayList;39public class IterableUtilExample {40   public static void main(String[] args) {41      List<String> list = new ArrayList<String>();42      list.add("Apple");

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.ArrayList;3import java.util.List;4import java.util.Arrays;5import java.util.Iterator;6public class IterableUtilExample {7   public static void main(String[] args) {8      List<Integer> list = new ArrayList<Integer>();9      list.add(10);10      list.add(20);11      list.add(30);12      list.add(40);13      list.add(50);14      list.add(60);15      list.add(70);16      list.add(80);17      list.add(90);18      list.add(100);19      Iterator<Integer> it = list.iterator();20      Integer last = IterableUtil.last(it);21      System.out.println("Last element of the list: " + last);22   }23}24Java 9 - java.util.List.of() Method25Java 9 - java.util.List.copyOf() Method26Java 9 - java.util.List.removeIf() Method27Java 9 - java.util.List.replaceAll() Method28Java 9 - java.util.List.sort() Method29Java 9 - java.util.List.iterator() Method30Java 9 - java.util.List.spliterator() Method31Java 9 - java.util.List.stream() Method32Java 9 - java.util.List.parallelStream() Method33Java 9 - java.util.List.removeIf() Method34Java 9 - java.util.List.replaceAll() Method35Java 9 - java.util.List.sort() Method36Java 9 - java.util.List.iterator() Method37Java 9 - java.util.List.spliterator() Method38Java 9 - java.util.List.stream() Method39Java 9 - java.util.List.parallelStream() Method40Java 9 - java.util.List.of() Method41Java 9 - java.util.List.copyOf() Method42Java 9 - java.util.List.removeIf() Method43Java 9 - java.util.List.replaceAll() Method44Java 9 - java.util.List.sort() Method45Java 9 - java.util.List.iterator() Method46Java 9 - java.util.List.spliterator() Method47Java 9 - java.util.List.stream() Method48Java 9 - java.util.List.parallelStream() Method49Java 9 - java.util.List.of() Method50Java 9 - java.util.List.copyOf() Method

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.Arrays;3import java.util.HashMap;4import java.util.List;5import java.util.Map;6import java.util.stream.Collectors;7public class Main {8    public static void main(String[] args) {9        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);10        Map<Integer, List<Integer>> map = new HashMap<>();11        map.put(1, Arrays.asList(1, 2, 3));12        map.put(2, Arrays.asList(4, 5, 6));13        map.put(3, Arrays.asList(7, 8, 9));14        map.put(4, Arrays.asList(10));15        List<Integer> result = IterableUtil.toList(IterableUtil.flatten(map.values().stream().map(x -> x.stream()).collect(Collectors.toList())));16        System.out.println(result);17    }18}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2public class AssertJIterableUtil {3    public static void main(String[] args) {4        Iterable<String> iterable = IterableUtil.iterable("one", "two", "three");5        System.out.println(iterable);6    }7}

IterableUtil

Using AI Code Generation

1public class IterableUtil {2    public static void main(String[] args) {3        List<String> list = new ArrayList<String>();4        list.add("Java");5        list.add("Python");6        list.add("C++");7        list.add("C#");8        list.add("Ruby");9        System.out.println("List: " + list);10        Iterable<String> iterable = IterableUtil.iterable(list);11        System.out.println("Iterable: " + iterable);12    }13}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.