How to use Iterators method of org.assertj.core.internal.Iterators class

Best Assertj code snippet using org.assertj.core.internal.Iterators.Iterators

Source:Iterators_assertIsExhausted_Test.java

...18import static org.assertj.core.util.Lists.list;19import static org.mockito.Mockito.verify;20import java.util.Iterator;21import org.assertj.core.api.AssertionInfo;22import org.assertj.core.internal.Iterators;23import org.assertj.core.internal.IteratorsBaseTest;24import org.junit.jupiter.api.Test;25/**26 * Tests for <code>{@link Iterators#assertIsExhausted(AssertionInfo, Iterator)}</code>.27 *28 * @author NatÃ¡lia StruharovÃ¡29 */30class Iterators_assertIsExhausted_Test extends IteratorsBaseTest {31  @Test32  void should_pass_if_iterator_is_exhausted() {33    // GIVEN34    Iterator<String> actual = list("Luke").iterator();35    actual.next();36    // WHEN/THEN37    iterators.assertIsExhausted(INFO, actual);38  }39  @Test40  void should_fail_if_iterator_is_not_exhausted() {41    // WHEN42    Iterator<String> actual = list("Luke").iterator();43    expectAssertionError(() -> iterators.assertIsExhausted(INFO, actual));44    // THEN...

Source:Iterators_assertHasNext_Test.java

...18import static org.assertj.core.util.Lists.list;19import static org.mockito.Mockito.verify;20import java.util.Iterator;21import org.assertj.core.api.AssertionInfo;22import org.assertj.core.internal.Iterators;23import org.assertj.core.internal.IteratorsBaseTest;24import org.junit.jupiter.api.Test;25/**26 * Tests for <code>{@link Iterators#assertHasNext(AssertionInfo, Iterator)}</code>.27 *28 * @author NatÃ¡lia StruharovÃ¡29 */30class Iterators_assertHasNext_Test extends IteratorsBaseTest {31  @Test32  void should_pass_if_iterator_has_next() {33    // WHEN34    Iterator<String> actual = list("Luke", "Yoda", "Leia").iterator();35    // THEN36    iterators.assertHasNext(INFO, actual);37  }38  @Test39  void should_fail_if_iterator_has_no_next() {40    // GIVEN41    Iterator<String> actual = list("Luke").iterator();42    actual.next();43    // WHEN44    expectAssertionError(() -> iterators.assertHasNext(INFO, actual));...

Iterators

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.api.Assertions.fail;5import static org.assertj.core.api.Assertions.setRemoveAssertJRelatedElementsFromStackTrace;6import java.util.ArrayList;7import java.util.Iterator;8import java.util.List;9import org.assertj.core.api.ThrowableAssert.ThrowingCallable;10import org.assertj.core.api.Assertions;11import org.assertj.core.error.ShouldHaveNext;12import org.assertj.core.error.ShouldNotBeEmpty;13import org.assertj.core.error.ShouldNotBeNull;14import org.assertj.core.internal.Iterators;15import org.assertj.core.util.Lists;16import org.junit.Test;17public class IteratorsTest {18	public void testAssertHasNext() {19		List<String> list = new ArrayList<>();20		list.add("1");21		list.add("2");22		list.add("3");23		Iterator<String> iterator = list.iterator();24		Iterators.assertHasNext(Assertions.description("Test"), iterator);25	}26	public void testAssertHasNext2() {27		List<String> list = new ArrayList<>();28		Iterator<String> iterator = list.iterator();29		Throwable thrown = catchThrowable(new ThrowingCallable() {30			public void call() throws Throwable {31				Iterators.assertHasNext(Assertions.description("Test"), iterator);32			}33		});34		assertThat(thrown).isInstanceOf(AssertionError.class);35		assertThat(thrown).hasMessage(String.format("%nExpecting:%n <%s>%nto have next element but did not.", iterator));36	}37	public void testAssertHasNext3() {38		List<String> list = new ArrayList<>();39		list.add("1");40		list.add("2");41		list.add("3");42		Iterator<String> iterator = list.iterator();43		Throwable thrown = catchThrowable(new ThrowingCallable() {44			public void call() throws Throwable {45				Iterators.assertHasNext(Assertions.description("Test"), iterator);46			}47		});48		assertThat(thrown).isInstanceOf(AssertionError.class);49		assertThat(thrown).hasMessage(String.format("%nExpecting:%n <%s>%nto have next element but did not.", iterator));50	}51	public void testAssertHasNext4() {52		List<String> list = new ArrayList<>();

Iterators

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import java.util.ArrayList;3import java.util.Iterator;4import java.util.List;5import org.assertj.core.internal.Iterators;6public class IteratorsMethodTest {7    public static void main(String[] args) {8        Iterators iterators = new Iterators();9        List<String> list = new ArrayList<>();10        list.add("one");11        list.add("two");12        list.add("three");13        Iterator<String> iterator = list.iterator();14        Assertions.assertThat(iterators.hasNext(iterator)).isTrue();15        Assertions.assertThat(iterators.next(iterator)).isEqualTo("one");16        Assertions.assertThat(iterators.hasNext(iterator)).isTrue();17        Assertions.assertThat(iterators.next(iterator)).isEqualTo("two");18        Assertions.assertThat(iterators.hasNext(iterator)).isTrue();19        Assertions.assertThat(iterators.next(iterator)).isEqualTo("three");20        Assertions.assertThat(iterators.hasNext(iterator)).isFalse();21    }22}

Iterators

Using AI Code Generation

1package org.assertj.core.internal;2import java.util.ArrayList;3import java.util.List;4import java.util.Set;5import org.assertj.core.api.AssertionInfo;6import org.assertj.core.api.Assertions;7import org.assertj.core.util.VisibleForTesting;8public class Iterators {9  private static final Iterators INSTANCE = new Iterators();10  Failures failures = Failures.instance();11  public static Iterators instance() {12    return INSTANCE;13  }14  public <E> void assertHasNext(AssertionInfo info, Iterator<E> actual) {15    assertNotNull(info, actual);16    if (!actual.hasNext()) throw failures.failure(info, shouldHaveNext(actual));17  }18  public <E> void assertHasNext(AssertionInfo info, Iterator<E> actual, int times) {19    try {20      assertNotNull(info, actual);21      List<E> values = new ArrayList<>();22      for (int i = 0; i < times; i++) {23        values.add(actual.next());24      }25      if (actual.hasNext()) throw failures.failure(info, shouldNotHaveNext(actual, values));26    } catch (NoSuchElementException e) {27      throw failures.failure(info, shouldHaveNext(actual));28    }29  }30  public <E> void assertHasNext(AssertionInfo info, Iterator<E> actual, int times, Class<? extends E> type) {31    try {32      assertNotNull(info, actual);33      List<E> values = new ArrayList<>();34      for (int i = 0; i < times; i++) {35        values.add(actual.next());36      }37      if (actual.hasNext()) throw failures.failure(info, shouldNotHaveNext(actual, values));38      for (E value : values) {39        if (!type.isInstance(value)) throw failures.failure(info, shouldHaveNextInstanceOf(actual, type, value));40      }41    } catch (NoSuchElementException e) {42      throw failures.failure(info, shouldHaveNext(actual));43    }44  }45  public <E> void assertDoesNotHaveNext(AssertionInfo info, Iterator<E> actual) {46    assertNotNull(info, actual);47    if (actual.hasNext()) throw failures.failure(info, shouldNotHaveNext(actual));48  }49  public <E> void assertHasNext(AssertionInfo info, Iterator<E> actual, E value) {50    assertNotNull(info, actual);51    try {52      if (!actual.hasNext()) throw failures.failure(info, shouldHaveNext(actual));

Iterators

Using AI Code Generation

1package org.assertj.core.internal;2public class Iterators_assertHasSize_Test {3  public void should_fail_if_actual_is_null() {4    Iterator<String> actual = null;5    AssertionError error = expectAssertionError(() -> iterables.assertHasSize(info, actual, 1));6    then(error).hasMessage(actualIsNull());7  }8  public void should_fail_if_size_of_actual_is_not_equal_to_expected_size() {9    AssertionInfo info = someInfo();10    Iterator<String> actual = Arrays.asList("Yoda").iterator();11    AssertionError error = expectAssertionError(() -> iterables.assertHasSize(info, actual, 6));12    then(error).hasMessage(shouldHaveSize(actual, actual.size(), 6).create());13  }14  public void should_pass_if_size_of_actual_is_equal_to_expected_size() {15    AssertionInfo info = someInfo();16    Iterator<String> actual = Arrays.asList("Yoda", "Luke").iterator();17    iterables.assertHasSize(info, actual, 2);18  }19}20package org.assertj.core.internal;21public class Iterables_assertHasSize_Test {22  public void should_fail_if_actual_is_null() {23    Iterable<String> actual = null;24    AssertionError error = expectAssertionError(() -> iterables.assertHasSize(info, actual, 1));25    then(error).hasMessage(actualIsNull());26  }27  public void should_fail_if_size_of_actual_is_not_equal_to_expected_size() {28    AssertionInfo info = someInfo();29    Iterable<String> actual = Arrays.asList("Yoda");30    AssertionError error = expectAssertionError(() -> iterables.assertHasSize(info, actual, 6));31    then(error).hasMessage(shouldHaveSize(actual, sizeOf(actual), 6).create());32  }33  public void should_pass_if_size_of_actual_is_equal_to_expected_size() {34    AssertionInfo info = someInfo();35    Iterable<String> actual = Arrays.asList("Yoda", "

Iterators

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import java.util.Arrays;4import java.util.Iterator;5import org.assertj.core.api.iterable.ThrowingExtractor;6import org.junit.jupiter.api.Test;7public class IteratorsTest {8	void test() {9		Iterator<String> iterator = Arrays.asList("a", "b", "c").iterator();10		assertThat(iterator).containsExactly("a", "b", "c");11		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("a", "b"));12		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("a", "b", "c", "d"));13		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("a", "d", "c"));14		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("a", "d", "c", "b"));15		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("d", "a", "b", "c"));16		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("d", "a", "b", "c", "e"));17		assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> assertThat(iterator).containsExactly("a", "b", "c", null));18		assertThatExceptionOfType(AssertionError

Iterators

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import java.util.Iterator;4import java.util.List;5import org.assertj.core.util.Lists;6import org.junit.jupiter.api.Test;7public class IteratorsTest {8	public void test() {9		List<String> list = Lists.newArrayList("one", "two", "three");10		Iterator<String> iterator = list.iterator();11		assertThat(iterator).contains("two");12		assertThat(iterator).contains("one", "two", "three");13		assertThat(iterator).contains("one", "two", "three", "four");14		assertThatThrownBy(() -> assertThat(iterator).contains("one", "two", "three", "four", "five"))15				.isInstanceOf(AssertionError.class);16	}17}

Iterators

Using AI Code Generation

1import java.util.*;2import org.assertj.core.internal.Iterators;3public class 1 {4    public static void main(String[] args) {5        Iterator<Integer> iterator1 = Arrays.asList(1, 2, 3, 4, 5).iterator();6        Iterator<Integer> iterator2 = Arrays.asList(1, 2, 3, 4, 5).iterator();7        Iterators iterators = new Iterators();8        boolean result = iterators.assertEqual(iterator1, iterator2);9        System.out.println("Are iterators equal? " + result);10    }11}

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