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 Github

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...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}...

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expectUnsupportedOperationException

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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}

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expectUnsupportedOperationException

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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);

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expectUnsupportedOperationException

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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("

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expectUnsupportedOperationException

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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();

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expectUnsupportedOperationException

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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

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Most used method in AbstractCollectionAssert

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