How to use Sets class of org.assertj.core.util package

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

Source:CollectionAssert_isUnmodifiable_Test.java Github

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...18import static org.assertj.core.error.ShouldNotBeNull.shouldNotBeNull;19import static org.assertj.core.util.AssertionsUtil.expectAssertionError;20import static org.assertj.core.util.Lists.list;21import static org.assertj.core.util.Lists.newArrayList;22import static org.assertj.core.util.Sets.newLinkedHashSet;23import static org.assertj.core.util.Sets.newTreeSet;24import static org.assertj.core.util.Sets.set;25import static org.junit.jupiter.params.provider.Arguments.arguments;26import java.util.ArrayList;27import java.util.Collection;28import java.util.Collections;29import java.util.HashSet;30import java.util.LinkedHashSet;31import java.util.LinkedList;32import java.util.stream.Stream;33import org.apache.commons.collections4.collection.UnmodifiableCollection;34import org.apache.commons.collections4.list.UnmodifiableList;35import org.apache.commons.collections4.set.UnmodifiableNavigableSet;36import org.apache.commons.collections4.set.UnmodifiableSet;37import org.apache.commons.collections4.set.UnmodifiableSortedSet;38import org.assertj.core.error.ErrorMessageFactory;39import org.assertj.core.test.jdk11.Jdk11;40import org.junit.jupiter.api.Test;41import org.junit.jupiter.params.ParameterizedTest;42import org.junit.jupiter.params.provider.Arguments;43import org.junit.jupiter.params.provider.MethodSource;44import com.google.common.collect.ImmutableList;45import com.google.common.collect.ImmutableSet;46import com.google.common.collect.ImmutableSortedSet;47import com.google.common.collect.Sets;48class CollectionAssert_isUnmodifiable_Test {49 @Test50 void should_fail_if_actual_is_null() {51 // GIVEN52 Collection<?> actual = null;53 // WHEN54 AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isUnmodifiable());55 // THEN56 then(assertionError).hasMessage(shouldNotBeNull().create());57 }58 @ParameterizedTest59 @MethodSource("modifiableCollections")60 void should_fail_if_actual_can_be_modified(Collection<?> actual, ErrorMessageFactory errorMessageFactory) {61 // WHEN62 AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isUnmodifiable());63 // THEN64 then(assertionError).as(actual.getClass().getName())65 .hasMessage(errorMessageFactory.create());66 }67 private static Stream<Arguments> modifiableCollections() {68 return Stream.of(arguments(new ArrayList<>(), shouldBeUnmodifiable("Collection.add(null)")),69 arguments(new LinkedHashSet<>(), shouldBeUnmodifiable("Collection.add(null)")),70 arguments(new LinkedList<>(), shouldBeUnmodifiable("Collection.add(null)")),71 arguments(new HashSet<>(), shouldBeUnmodifiable("Collection.add(null)")),72 arguments(newArrayList(new Object()), shouldBeUnmodifiable("Collection.add(null)")),73 arguments(newLinkedHashSet(new Object()), shouldBeUnmodifiable("Collection.add(null)")),74 arguments(newTreeSet("element"), shouldBeUnmodifiable("Collection.add(null)", new NullPointerException())));75 }76 // See https://issues.apache.org/jira/browse/COLLECTIONS-79977 @Test78 void should_fail_with_commons_collections_UnmodifiableNavigableSet() {79 // GIVEN80 Collection<?> actual = UnmodifiableNavigableSet.unmodifiableNavigableSet(newTreeSet("element"));81 // WHEN82 AssertionError assertionError = expectAssertionError(() -> assertThat(actual).isUnmodifiable());83 // THEN84 then(assertionError).hasMessage(shouldBeUnmodifiable("NavigableSet.pollFirst()").create());85 }86 @ParameterizedTest87 @MethodSource("unmodifiableCollections")88 void should_pass(Collection<?> actual) {89 // WHEN/THEN90 assertThatNoException().as(actual.getClass().getName())91 .isThrownBy(() -> assertThat(actual).isUnmodifiable());92 }93 private static Stream<Collection<?>> unmodifiableCollections() {94 return Stream.of(Collections.emptyList(),95 Collections.emptyNavigableSet(),96 Collections.emptySet(),97 Collections.emptySortedSet(),98 Collections.singleton("element"),99 Collections.singletonList("element"),100 Collections.unmodifiableCollection(list(new Object())),101 Collections.unmodifiableList(list(new Object())),102 Collections.unmodifiableNavigableSet(newTreeSet("element")),103 Collections.unmodifiableSet(set(new Object())),104 Collections.unmodifiableSortedSet(newTreeSet("element")),105 ImmutableList.of(new Object()),106 ImmutableSet.of(new Object()),107 ImmutableSortedSet.of("element"),108 Jdk11.List.of(),109 Jdk11.List.of("element"), // same implementation for 1 or 2 parameters110 Jdk11.List.of("element", "element", "element"), // same implementation for 3+ parameters111 Jdk11.Set.of(),112 Jdk11.Set.of("element"), // same implementation for 1 or 2 parameters113 Jdk11.Set.of("element1", "element2", "element3"), // same implementation for 3+ parameters114 Sets.unmodifiableNavigableSet(newTreeSet("element")),115 UnmodifiableCollection.unmodifiableCollection(list(new Object())),116 UnmodifiableList.unmodifiableList(list(new Object())),117 UnmodifiableSortedSet.unmodifiableSortedSet(newTreeSet("element")),118 UnmodifiableSet.unmodifiableSet(set(new Object())));119 }120}...

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Source:DisjointSetsAssert.java Github

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...3import org.assertj.core.api.AbstractObjectAssert;4import org.assertj.core.api.ObjectAssert;5import java.util.Arrays;6import java.util.function.Function;7public class DisjointSetsAssert<T> extends AbstractObjectAssert<DisjointSetsAssert<T>, DisjointSets<T>> {8 public DisjointSetsAssert(DisjointSets<T> disjointSets) {9 super(disjointSets, DisjointSetsAssert.class);10 }11 @SafeVarargs12 public final AbstractListAssert<?, java.util.List<?>, Object, ObjectAssert<Object>>13 findingSets(T... items) {14 @SuppressWarnings("unchecked")15 Function<DisjointSets<T>, Integer>[] ids = Arrays.stream(items)16 .map(i -> (Function<DisjointSets<T>, Integer>) actual -> actual.findSet(i))17 .toArray(value -> (Function<DisjointSets<T>, Integer>[]) new Function[value]);18 return extracting(ids).as("set ids of %s", Arrays.toString(items));19 }20}...

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Sets

Using AI Code Generation

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1package org.assertj.core.util;2import java.util.HashSet;3import java.util.Set;4public class Sets {5 public static <T> Set<T> newHashSet(T... elements) {6 Set<T> set = new HashSet<T>();7 for (T element : elements) {8 set.add(element);9 }10 return set;11 }12}13package org.assertj.core.util;14import java.util.HashSet;15import java.util.Set;16public class Sets {17 public static <T> Set<T> newHashSet(T... elements) {18 Set<T> set = new HashSet<T>();19 for (T element : elements) {20 set.add(element);21 }22 return set;23 }24}25package org.assertj.core.util;26import java.util.HashSet;27import java.util.Set;28public class Sets {29 public static <T> Set<T> newHashSet(T... elements) {30 Set<T> set = new HashSet<T>();31 for (T element : elements) {32 set.add(element);33 }34 return set;35 }36}37package org.assertj.core.util;38import java.util.HashSet;39import java.util.Set;40public class Sets {41 public static <T> Set<T> newHashSet(T... elements) {42 Set<T> set = new HashSet<T>();43 for (T element : elements) {44 set.add(element);45 }46 return set;47 }48}49package org.assertj.core.util;50import java.util.HashSet;51import java.util.Set;52public class Sets {53 public static <T> Set<T> newHashSet(T... elements) {54 Set<T> set = new HashSet<T>();55 for (T element : elements) {56 set.add(element);57 }58 return set;59 }60}61package org.assertj.core.util;62import java.util.HashSet;63import java.util.Set;64public class Sets {65 public static <T> Set<T> newHashSet(T... elements) {66 Set<T> set = new HashSet<T>();67 for (T element : elements

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Sets

Using AI Code Generation

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1import static org.assertj.core.api.Assertions.assertThat;2import org.assertj.core.util.Sets;3import java.util.Set;4public class SetsDemo {5 public static void main(String[] args) {6 Set<String> set1 = Sets.newLinkedHashSet("one", "two", "three");7 Set<String> set2 = Sets.newLinkedHashSet("one", "two", "three", "four");8 System.out.println(set1);9 System.out.println(set2);10 assertThat(set2).containsAll(set1);11 }12}

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Sets

Using AI Code Generation

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1import org.assertj.core.util.Sets;2import java.util.Set;3public class Sets1 {4 public static void main(String[] args) {5 Set<Integer> set1 = Sets.newLinkedHashSet(1, 2, 3);6 Set<Integer> set2 = Sets.newLinkedHashSet(2, 3, 4);7 System.out.println(Sets.intersection(set1, set2));8 }9}10Example 2: Using Sets.difference()11import org.assertj.core.util.Sets;12import java.util.Set;13public class Sets2 {14 public static void main(String[] args) {15 Set<Integer> set1 = Sets.newLinkedHashSet(1, 2, 3);16 Set<Integer> set2 = Sets.newLinkedHashSet(2, 3, 4);17 System.out.println(Sets.difference(set1, set2));18 }19}20Example 3: Using Sets.union()21import org.assertj.core.util.Sets;22import java.util.Set;23public class Sets3 {24 public static void main(String[] args) {25 Set<Integer> set1 = Sets.newLinkedHashSet(1, 2, 3);26 Set<Integer> set2 = Sets.newLinkedHashSet(2, 3, 4);27 System.out.println(Sets.union(set1, set2));28 }29}30Example 4: Using Sets.symmetricDifference()31import org.assertj.core.util.Sets;32import java.util.Set;33public class Sets4 {34 public static void main(String[] args) {35 Set<Integer> set1 = Sets.newLinkedHashSet(1, 2, 3);36 Set<Integer> set2 = Sets.newLinkedHashSet(2, 3, 4);

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Sets

Using AI Code Generation

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1import org.assertj.core.util.*;2import java.util.*;3public class 1 {4 public static void main(String[] args) {5 Set<String> set1 = Sets.newLinkedHashSet("a", "b", "c");6 Set<String> set2 = Sets.newLinkedHashSet("b", "c", "d");7 Set<String> set3 = Sets.newLinkedHashSet("a", "c", "d");8 System.out.println("Set1: " + set1);9 System.out.println("Set2: " + set2);10 System.out.println("Set3: " + set3);11 System.out.println("Sets.difference(set1, set2): " + Sets.difference(set1, set2));12 System.out.println("Sets.difference(set2, set1): " + Sets.difference(set2, set1));13 System.out.println("Sets.difference(set1, set3): " + Sets.difference(set1, set3));14 System.out.println("Sets.difference(set3, set1): " + Sets.difference(set3, set1));15 }16}17Sets.difference(set1, set2): [a]18Sets.difference(set2, set1): [d]19Sets.difference(set1, set3): [b]20Sets.difference(set3, set1): [d]21Java.util.Collections | Set Operations using forEach()22Java.util.Collections | Set Operations using Comparator and forEach()

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Sets

Using AI Code Generation

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1import static org.assertj.core.util.Sets.newLinkedHashSet;2import java.util.Set;3public class Sets {4 public static void main(String[] args) {5 Set<String> set = newLinkedHashSet("a", "b");6 System.out.println(set);7 }8}

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Sets

Using AI Code Generation

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1import org.assertj.core.util.Sets;2import java.util.Set;3public class SetsExample {4 public static void main(String[] args) {5 Set < Integer > set = Sets.newLinkedHashSet(1, 2, 3);6 System.out.println("The set is: " + set);7 }8}

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Sets

Using AI Code Generation

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1import static org.assertj.core.util.Sets.newHashSet;2import java.util.HashSet;3import java.util.Set;4public class SetsExample {5public static void main(String[] args) {6Set<String> set = new HashSet<String>();7set.add("Apple");8set.add("Mango");9set.add("Banana");10set.add("Grapes");11System.out.println("HashSet: " + set);12Set<String> set2 = new HashSet<String>();13set2.add("Apple");14set2.add("Mango");15set2.add("Orange");16set2.add("Papaya");17System.out.println("HashSet: " + set2);18Set<String> set3 = new HashSet<String>();19set3.add("Apple");20set3.add("Mango");21set3.add("Banana");22set3.add("Grapes");23System.out.println("HashSet: " + set3);24Set<String> set4 = new HashSet<String>();25set4.add("Apple");26set4.add("Mango");27set4.add("Banana");28set4.add("Grapes");29System.out.println("HashSet: " + set4);30Set<String> set5 = new HashSet<String>();31set5.add("Apple");32set5.add("Mango");33set5.add("Banana");34set5.add("Grapes");35System.out.println("HashSet: " + set5);36Set<String> set6 = new HashSet<String>();37set6.add("Apple");38set6.add("Mango");39set6.add("Banana");40set6.add("Grapes");41System.out.println("HashSet: " + set6);42Set<String> set7 = new HashSet<String>();43set7.add("Apple");44set7.add("Mango");45set7.add("Banana");46set7.add("Grapes");47System.out.println("HashSet: " + set7);

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Sets

Using AI Code Generation

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1import org.assertj.core.util.*;2import java.util.*;3{4 public static void main(String args[])5 {6 Set<String> set1 = new HashSet<String>();7 set1.add("Geeks");8 set1.add("For");9 set1.add("Geeks");10 set1.add("Is");11 set1.add("Very helpful");12 System.out.println("Set1: " + set1);13 Set<String> set2 = new HashSet<String>();14 set2.add("Friends");15 set2.add("For");16 set2.add("Life");17 System.out.println("Set2: " + set2);18 Set<String> set3 = new HashSet<String>();19 set3.add("Geeks");20 set3.add("Friends");21 System.out.println("Set3: " + set3);22 Set<String> set4 = new HashSet<String>();23 set4.add("Geeks");24 set4.add("For");25 set4.add("Geeks");26 set4.add("Is");27 set4.add("Very helpful");28 System.out.println("Set4: " + set4);29 Set<String> set5 = new HashSet<String>();30 set5.add("Friends");31 set5.add("For");32 set5.add("Life");33 set5.add("Geeks");34 System.out.println("Set5: " + set5);35 Set<String> set6 = new HashSet<String>();36 set6.add("Friends");37 set6.add("For");38 set6.add("Life");39 set6.add("Geeks");40 System.out.println("Set6: " + set6);41 Set<String> set7 = new HashSet<String>();42 set7.add("Friends");43 set7.add("For");44 set7.add("Life");45 System.out.println("Set7: " + set7);46 Set<String> set8 = new HashSet<String>();47 set8.add("Friends");48 set8.add("For");49 set8.add("Life");50 System.out.println("Set8: " + set8);

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Sets

Using AI Code Generation

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1import java.util.Set;2import java.util.HashSet;3import java.util.Iterator;4import org.assertj.core.util.Sets;5public class SetsDemo {6 public static void main(String[] args) {7 Set<Integer> set1 = new HashSet<>();8 set1.add(1);9 set1.add(2);10 set1.add(3);11 set1.add(4);12 set1.add(5);13 Set<Integer> set2 = new HashSet<>();14 set2.add(2);15 set2.add(4);16 set2.add(6);17 set2.add(8);18 set2.add(10);19 Set<Integer> intersection = Sets.intersection(set1, set2);20 System.out.println("Intersection of two sets: " + intersection);21 Set<Integer> union = Sets.union(set1, set2);22 System.out.println("Union of two sets: " + union);23 Set<Integer> difference = Sets.difference(set1, set2);24 System.out.println("Difference of two sets: " + difference);25 Set<Integer> symmetricDifference = Sets.symmetricDifference(set1, set2);26 System.out.println("Symmetric difference of two sets: " + symmetricDifference);27 }28}29Java.util.Collections | Set - removeAll()30Java.util.Collections | Set - retainAll()31Java.util.Collections | Set - addAll()32Java.util.Collections | Set - containsAll()33Java.util.Collections | Set - equals()34Java.util.Collections | Set - iterator()35Java.util.Collections | Set - size()36Java.util.Collections | Set - toArray()

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