How to use assertIsUnmodifiable method of org.assertj.core.api.AbstractCollectionAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractCollectionAssert.assertIsUnmodifiable

Source:AbstractCollectionAssert.java

...62   */63  @Beta64  public SELF isUnmodifiable() {65    isNotNull();66    assertIsUnmodifiable();67    return myself;68  }69  @SuppressWarnings("unchecked")70  private void assertIsUnmodifiable() {71    switch (actual.getClass().getName()) {72      case "java.util.Collections$EmptyList":73      case "java.util.Collections$EmptyNavigableSet":74      case "java.util.Collections$EmptySet":75      case "java.util.Collections$EmptySortedSet":76      case "java.util.Collections$SingletonList":77      case "java.util.Collections$SingletonSet":78        // immutable by contract, although not all methods throw UnsupportedOperationException79        return;80    }81    expectUnsupportedOperationException(() -> actual.add(null), "Collection.add(null)");82    expectUnsupportedOperationException(() -> actual.addAll(emptyCollection()), "Collection.addAll(emptyCollection())");83    expectUnsupportedOperationException(() -> actual.clear(), "Collection.clear()");84    expectUnsupportedOperationException(() -> actual.iterator().remove(), "Collection.iterator().remove()");...

assertIsUnmodifiable

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import java.util.ArrayList;3import java.util.List;4import static org.assertj.core.api.Assertions.assertThat;5class AssertIsUnmodifiableTest {6    void testAssertIsUnmodifiable() {7        List<String> list = new ArrayList<>();8        list.add("one");9        list.add("two");10        assertThat(list).isUnmodifiable();11    }12}13assertIsUnmodifiable() method14List<String> list = new ArrayList<>();15list.add("one");16list.add("two");17assertThat(list).isUnmodifiable();18assertIsUnmodifiable() method19assertIsUnmodifiable() method is used to verify that the actu

assertIsUnmodifiable

Using AI Code Generation

1import org.assertj.core.api.AbstractCollectionAssert;2import org.assertj.core.api.Assertions;3import org.junit.jupiter.api.DisplayName;4import org.junit.jupiter.api.Test;5import java.util.Arrays;6import java.util.Collections;7import java.util.List;8public class AssertIsUnmodifiableTest {9    @DisplayName("Assert that list is unmodifiable")10    void testAssertIsUnmodifiable() {11        List<String> list = Arrays.asList("a", "b", "c");12        AbstractCollectionAssert<?, List<String>, String, ?> assertList = Assertions.assertThat(list);13        assertList.isUnmodifiable();14    }15    @DisplayName("Assert that list is unmodifiable - negative test")16    void testAssertIsUnmodifiableNegative() {17        List<String> list = Collections.emptyList();18        AbstractCollectionAssert<?, List<String>, String, ?> assertList = Assertions.assertThat(list);19        assertList.isUnmodifiable();20    }21}22	at org.assertj.core.api.AbstractCollectionAssert.isUnmodifiable(AbstractCollectionAssert.java:674)

assertIsUnmodifiable

Using AI Code Generation

1    assertThat(actual).isUnmodifiable();2    assertThat(actual).isUnmodifiableCollection();3    assertThat(actual).isUnmodifiableList();4    assertThat(actual).isUnmodifiableMap();5    assertThat(actual).isUnmodifiableSet();6}7public AbstractCollectionAssert<SELF, ACTUAL> isUnmodifiable();8import java.util.List; 9import java.util.ArrayList; 10import java.util.Collections; 11import static org.assertj.core.api.Assertions.assertThat; 12public class GFG { 13	public static void main(String[] args) 14	{ 15		List<Integer> list = new ArrayList<>(); 16		list.add(1); 17		list.add(2); 18		list.add(3); 19		List<Integer> unmodifiableList = Collections.unmodifiableList(list); 20		assertThat(unmodifiableList).isUnmodifiable(); 21	} 22}23public AbstractListAssert<SELF, ACTUAL, ELEMENT> isUnmodifiableList();24import java.util.List; 25import java.util.ArrayList; 26import java.util.Collections; 27import static org.assertj.core.api.Assertions.assertThat; 28public class GFG { 29	public static void main(String[] args) 30	{ 31		List<Integer> list = new ArrayList<>();

assertIsUnmodifiable

Using AI Code Generation

1    public void testIsUnmodifiable() {2        List<String> list = new ArrayList<>();3        list.add("foo");4        list.add("bar");5        assertThat(list).isUnmodifiable();6    }7}8The assertIsUnmodifiable() method is a wrapper method that calls the assertIsUnmodifiable() method of the org.assertj.core.api.AbstractMapAssert class. This method takes a Map

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