Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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

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

Source:AbstractCollectionAssert.java

...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()");85    expectUnsupportedOperationException(() -> actual.remove(null), "Collection.remove(null)");86    expectUnsupportedOperationException(() -> actual.removeAll(emptyCollection()), "Collection.removeAll(emptyCollection())");87    expectUnsupportedOperationException(() -> actual.removeIf(element -> true), "Collection.removeIf(element -> true)");88    expectUnsupportedOperationException(() -> actual.retainAll(emptyCollection()), "Collection.retainAll(emptyCollection())");89    if (actual instanceof List) {90      List<ELEMENT> list = (List<ELEMENT>) actual;91      expectUnsupportedOperationException(() -> list.add(0, null), "List.add(0, null)");92      expectUnsupportedOperationException(() -> list.addAll(0, emptyCollection()), "List.addAll(0, emptyCollection())");93      expectUnsupportedOperationException(() -> list.listIterator().add(null), "List.listIterator().add(null)");94      expectUnsupportedOperationException(() -> list.listIterator().remove(), "List.listIterator().remove()");95      expectUnsupportedOperationException(() -> list.listIterator().set(null), "List.listIterator().set(null)");96      expectUnsupportedOperationException(() -> list.remove(0), "List.remove(0)");97      expectUnsupportedOperationException(() -> list.replaceAll(identity()), "List.replaceAll(identity())");98      expectUnsupportedOperationException(() -> list.set(0, null), "List.set(0, null)");99      expectUnsupportedOperationException(() -> list.sort((o1, o2) -> 0), "List.sort((o1, o2) -> 0)");100    }101    if (actual instanceof NavigableSet) {102      NavigableSet<ELEMENT> set = (NavigableSet<ELEMENT>) actual;103      expectUnsupportedOperationException(() -> set.descendingIterator().remove(), "NavigableSet.descendingIterator().remove()");104      expectUnsupportedOperationException(() -> set.pollFirst(), "NavigableSet.pollFirst()");105      expectUnsupportedOperationException(() -> set.pollLast(), "NavigableSet.pollLast()");106    }107  }108  private void expectUnsupportedOperationException(Runnable runnable, String method) {109    try {110      runnable.run();111      throwAssertionError(shouldBeUnmodifiable(method));112    } catch (UnsupportedOperationException e) {113      // happy path114    } catch (RuntimeException e) {115      throwAssertionError(shouldBeUnmodifiable(method, e));116    }117  }118  private <E extends ELEMENT> Collection<E> emptyCollection() {119    return Collections.emptyList();120  }121}...

expectUnsupportedOperationException

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.Assertions.assertThat;3public class AbstractCollectionAssertTest {4    public void test() {5        assertThat(new int[] { 1, 2, 3 }).expectUnsupportedOperationException();6    }7}

expectUnsupportedOperationException

Using AI Code Generation

1assertThat(collection).expectUnsupportedOperationException(() -> collection.clear());2assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withMessage("clear() is not supported");3assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withMessageContaining("clear()");4assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withMessageStartingWith("clear()");5assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withMessageEndingWith("supported");6assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withMessageMatching("clear\\(\\) is not supported");7assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class);8assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class).withCauseMessage("clear() is not supported");9assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class).withCauseMessageContaining("clear()");10assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class).withCauseMessageStartingWith("clear()");11assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class).withCauseMessageEndingWith("supported");12assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCauseInstanceOf(UnsupportedOperationException.class).withCauseMessageMatching("clear\\(\\) is not supported");13assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported"));14assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withMessage("clear() is not supported");15assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withMessageContaining("clear()");16assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withMessageStartingWith("clear()");17assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withMessageEndingWith("supported");18assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withMessageMatching("clear\\(\\) is not supported");19assertThat(collection).expectUnsupportedOperationException(() -> collection.clear()).withCause(new UnsupportedOperationException("clear() is not supported")).withCauseInstanceOf(UnsupportedOperationException.class);

expectUnsupportedOperationException

Using AI Code Generation

1public void testExpectUnsupportedOperationException() {2    String str = "abc";3    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class);4    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class);5    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(RuntimeException.class);6    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(Exception.class);7    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(Throwable.class);8    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(Object.class);9    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("UnsupportedOperationException");10    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("UnsupportedOperationException").hasMessageContaining("abc");11    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("UnsupportedOperationException").hasMessageContaining("abc").hasMessageContaining("123");12    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("UnsupportedOperationException").hasMessageContaining("abc").hasMessageContaining("123").hasMessageContaining("xyz");13    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("UnsupportedOperationException").hasMessageContaining("abc").hasMessageContaining("123").hasMessageContaining("xyz").hasMessageContaining("pqr");14    assertThatThrownBy(() -> str.chars().forEach(c -> { throw new UnsupportedOperationException(); })).isInstanceOf(UnsupportedOperationException.class).isExactlyInstanceOf(UnsupportedOperationException.class).hasMessageContaining("

expectUnsupportedOperationException

Using AI Code Generation

1public void expectUnsupportedOperationException(Runnable runnable) {2    try {3        runnable.run();4    } catch (UnsupportedOperationException e) {5        return;6    }7    fail("Expected UnsupportedOperationException");8}9public void expectUnsupportedOperationException(Runnable runnable) {10    try {11        runnable.run();12    } catch (UnsupportedOperationException e) {13        return;14    }15    fail("Expected UnsupportedOperationException");16}17public void expectUnsupportedOperationException(Runnable runnable) {18    try {19        runnable.run();20    } catch (UnsupportedOperationException e) {21        return;22    }23    fail("Expected UnsupportedOperationException");24}25public void expectUnsupportedOperationException(Runnable runnable) {26    try {27        runnable.run();28    } catch (UnsupportedOperationException e) {29        return;30    }31    fail("Expected UnsupportedOperationException");32}33public void expectUnsupportedOperationException(Runnable runnable) {34    try {35        runnable.run();36    } catch (UnsupportedOperationException e) {37        return;38    }39    fail("Expected UnsupportedOperationException");40}41public void expectUnsupportedOperationException(Runnable runnable) {42    try {43        runnable.run();44    } catch (UnsupportedOperationException e) {45        return;46    }47    fail("Expected UnsupportedOperationException");48}49public void expectUnsupportedOperationException(Runnable runnable) {50    try {51        runnable.run();52    } catch (UnsupportedOperationException e) {53        return;54    }55    fail("Expected UnsupportedOperationException");56}57public void expectUnsupportedOperationException(Runnable runnable) {58    try {59        runnable.run();60    } catch (UnsupportedOperationException e) {61        return;62    }63    fail("Expected UnsupportedOperationException");64}65public void expectUnsupportedOperationException(Runnable runnable) {66    try {67        runnable.run();

expectUnsupportedOperationException

Using AI Code Generation

1public void shouldThrowUnsupportedOperationExceptionWhenClearCollection() {2    List<String> actual = new ArrayList<>();3    actual.add("one");4    actual.add("two");5    actual.add("three");6    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).clear());7    expectUnsupportedOperationException(assertionError).hasMessage("clear is not supported");8    assertThat(actual).isEmpty();9}10public static AbstractCollectionAssert<?, ?, ?> expectUnsupportedOperationException(AssertionError assertionError) {11    assertThat(assertionError).hasMessageContaining("Expecting code to raise a throwable.");12    Throwable cause = assertionError.getCause();13    assertThat(cause).isInstanceOf(UnsupportedOperationException.class);14    return assertThat((Collection<?>) cause);15}16public static AssertionError expectAssertionError(ThrowingCallable shouldRaiseThrowable) {17    try {18        shouldRaiseThrowable.call();19    } catch (AssertionError assertionError) {20        return assertionError;21    } catch (Throwable e) {22        throw new AssertionError("Expecting code to raise a throwable.", e);23    }24    throw new AssertionError("Expecting code to raise a throwable.");25}26public void shouldThrowUnsupportedOperationExceptionWhenClearCollection() {27    List<String> actual = new ArrayList<>();28    actual.add("one");29    actual.add("two");30    actual.add("three");31    AssertionError assertionError = expectAssertionError(() -> assertThat(actual).clear());32    assertThatThrownBy(() -> assertThat(actual).clear())33            .isInstanceOf(UnsupportedOperationException.class)34            .hasMessage("clear is not supported");35    assertThat(actual).isEmpty();36}37public static AssertionError expectAssertionError(ThrowingCallable shouldRaiseThrowable) {38    try {39        shouldRaiseThrowable.call();40    } catch (AssertionError assertionError) {41        return assertionError;42    } catch (Throwable e) {43        throw new AssertionError("Expect

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.