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

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

Source:IterableUtil_format_Test.java

...15import static java.util.Arrays.asList;16import static org.assertj.core.api.Assertions.assertThat;17import static org.assertj.core.presentation.HexadecimalRepresentation.HEXA_REPRESENTATION;18import static org.assertj.core.presentation.StandardRepresentation.STANDARD_REPRESENTATION;19import static org.assertj.core.util.IterableUtil.multiLineFormat;20import static org.assertj.core.util.IterableUtil.smartFormat;21import java.util.ArrayList;22import java.util.List;23import org.junit.Test;24public class IterableUtil_format_Test {25  @Test26  public void should_return_null_if_iterable_is_null() {27    assertThat(IterableUtil.smartFormat(STANDARD_REPRESENTATION, null)).isNull();28  }29  @Test30  public void should_return_empty_brackets_if_iterable_is_empty() {31    assertThat(IterableUtil.smartFormat(STANDARD_REPRESENTATION, asList())).isEqualTo("[]");32  }33  @Test34  public void should_format_iterable_on_one_line_if_description_is_short_enough() {35    String e1 = stringOfLength(IterableUtil.maxLengthForSingleLineDescription / 10);36    String e2 = stringOfLength(IterableUtil.maxLengthForSingleLineDescription / 10);37    assertThat(smartFormat(STANDARD_REPRESENTATION, asList(e1, e2))).isEqualTo("[\"" + e1 + "\", \"" + e2 + "\"]");38  }39  @Test40  public void should_format_iterable_with_one_element_per_line_when_single_line_description_is_too_long() {41    String e1 = stringOfLength(IterableUtil.maxLengthForSingleLineDescription);42    String e2 = stringOfLength(IterableUtil.maxLengthForSingleLineDescription);43    assertThat(smartFormat(STANDARD_REPRESENTATION, asList(e1, e2))).isEqualTo(format("[\"" + e1 + "\",%n" +44                                                                                      "    \"" + e2 + "\"]"));45  }46  @Test47  public void should_format_iterable_with_custom_start_and_end() {48    List<? extends Object> list = asList("First", 3);49    assertThat(IterableUtil.singleLineFormat(STANDARD_REPRESENTATION, list, "{", "}")).isEqualTo("{\"First\", 3}");50    assertThat(IterableUtil.singleLineFormat(STANDARD_REPRESENTATION, asList(), "{", "}")).isEqualTo("{}");51  }52  @Test53  public void should_format_iterable_with_an_element_per_line() {54    String formatted = multiLineFormat(STANDARD_REPRESENTATION, asList("First", 3, "foo", "bar"));55    String formattedAfterNewLine = org.assertj.core.util.Compatibility.System.lineSeparator() + "  <" + formatted + ">";56    assertThat(formattedAfterNewLine).isEqualTo(format("%n" +57                                                       "  <[\"First\",%n" +58                                                       "    3,%n" +59                                                       "    \"foo\",%n" +60                                                       "    \"bar\"]>"));61  }62  @Test63  public void should_format_iterable_with_an_element_per_line_according_the_given_representation() {64    String formatted = multiLineFormat(HEXA_REPRESENTATION, asList(1, 2, 3));...

Source:StandardComparisonStrategy_duplicatesFrom_Test.java

...14import java.util.ArrayList;15import java.util.List;16import org.assertj.core.api.Assertions;17import org.assertj.core.util.Arrays;18import org.assertj.core.util.IterableUtil;19import org.assertj.core.util.Lists;20import org.junit.jupiter.api.Test;21/**22 * Tests for {@link StandardComparisonStrategy#duplicatesFrom(java.util.Collection)}.<br>23 *24 * @author Joel Costigliola25 */26public class StandardComparisonStrategy_duplicatesFrom_Test extends AbstractTest_StandardComparisonStrategy {27    @Test28    public void should_return_existing_duplicates() {29        List<String> list = Lists.newArrayList("Merry", "Frodo", null, null, "Merry", "Sam", "Frodo");30        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(list);31        Assertions.assertThat(IterableUtil.sizeOf(duplicates)).isEqualTo(3);32        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, "Frodo")).isTrue();33        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, "Merry")).isTrue();34        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, null)).isTrue();35    }36    @Test37    public void should_return_existing_duplicates_array() {38        List<String[]> list = Lists.newArrayList(Arrays.array("Merry"), Arrays.array("Frodo"), new String[]{ null }, new String[]{ null }, Arrays.array("Merry"), Arrays.array("Sam"), Arrays.array("Frodo"));39        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(list);40        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, new String[]{ null })).as("must contains null").isTrue();41        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, Arrays.array("Frodo"))).as("must contains Frodo").isTrue();42        Assertions.assertThat(AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.iterableContains(duplicates, Arrays.array("Merry"))).as("must contains Merry").isTrue();43        Assertions.assertThat(IterableUtil.sizeOf(duplicates)).isEqualTo(3);44    }45    @Test46    public void should_not_return_any_duplicates() {47        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(Lists.newArrayList("Frodo", "Sam", "Gandalf"));48        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();49    }50    @Test51    public void should_not_return_any_duplicates_if_collection_is_empty() {52        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(new ArrayList());53        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();54    }55    @Test56    public void should_not_return_any_duplicates_if_collection_is_null() {57        Iterable<?> duplicates = AbstractTest_StandardComparisonStrategy.standardComparisonStrategy.duplicatesFrom(null);58        Assertions.assertThat(IterableUtil.isNullOrEmpty(duplicates)).isTrue();59    }60}...

Source:IterableUtilTest.java

...6import static org.assertj.core.api.Assertions.assertThatThrownBy;7/**8 * Created by lucky on 27.12.16.9 */10public class IterableUtilTest {11    @Test12    public void testWithFirstNull() throws Exception {13        assertThatThrownBy(() -> IterableUtil.concat(null, new ArrayList<>())).isInstanceOf(NullPointerException.class);14    }15    @Test16    public void testWithSecondNull() throws Exception {17        assertThatThrownBy(() -> IterableUtil.concat(null, new ArrayList<>())).isInstanceOf(NullPointerException.class);18    }19    @Test20    public void testEmpty() throws Exception {21        Iterable<String> iterable = IterableUtil.concat(new ArrayList<>(), new ArrayList<>());22        assertThat(iterable.iterator()).isNotNull();23        assertThat(iterable).isEmpty();24        assertThat(iterable.iterator().hasNext()).isFalse();25    }26    @Test27    public void testSecondEmpty() throws Exception {28        Iterable<String> iterable = IterableUtil.concat(Arrays.asList("one", "two"), new ArrayList<>());29        assertThat(iterable).containsExactly("one", "two");30    }31    @Test32    public void testFirstEmpty() throws Exception {33        Iterable<String> iterable = IterableUtil.concat(new ArrayList<>(), Arrays.asList("one", "two"));34        assertThat(iterable).containsExactly("one", "two");35    }36    @Test37    public void testConcat() throws Exception {38        Iterable<String> iterable = IterableUtil.concat(39                Arrays.asList("one", "two"),40                Arrays.asList("three", "four", "five"));41        // multiple iteration42        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");43        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");44        assertThat(iterable).containsExactly("one", "two", "three", "four", "five");45    }46}...

IterableUtil

Using AI Code Generation

1package org.example;2import org.assertj.core.util.IterableUtil;3import java.util.ArrayList;4import java.util.List;5{6    public static void main( String[] args )7    {8        List<String> list = new ArrayList<>();9        list.add("a");10        list.add("b");11        list.add("c");12        IterableUtil.forEach(list, System.out::println);13    }14}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.ArrayList;3import java.util.List;4public class 1 {5   public static void main(String[] args) {6      List<Integer> list = new ArrayList<>();7      list.add(1);8      list.add(2);9      list.add(3);10      list.add(4);11      list.add(5);12      IterableUtil.forEach(list, element -> System.out.println(element));13   }14}15Recommended Posts: Java.util.Iterable.forEach() method in Java16Java.util.Iterator.forEachRemaining() method in Java17Java.util.Iterator.forEachRemaining() method in Java18Java.util.Collection.forEach() method in Java19Java.util.Collection.forEach() method in Java20Java.util.Collection.forEach() method in Java

IterableUtil

Using AI Code Generation

1package com.acktutorial.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import java.util.ArrayList;4import java.util.List;5import org.assertj.core.util.IterableUtil;6import org.junit.Test;7public class IterableUtilTest {8	public void testIterableUtil() {9		List<String> list = new ArrayList<>();10		list.add("apple");11		list.add("banana");12		list.add("cherry");13		list.add("dates");14		list.add("figs");15		list.add("grapes");16		assertThat(IterableUtil.sizeOf(list)).isEqualTo(6);17		assertThat(IterableUtil.sizeOf(list.iterator())).isEqualTo(6);18		assertThat(IterableUtil.sizeOf(list.listIterator())).isEqualTo(6);19		assertThat(IterableUtil.sizeOf(list.listIterator(0))).isEqualTo(6);20		assertThat(IterableUtil.sizeOf(list.spliterator())).isEqualTo(6);21		assertThat(IterableUtil.sizeOf(list.stream())).isEqualTo(6);22		assertThat(IterableUtil.sizeOf(list.stream().iterator())).isEqualTo(6);23		assertThat(IterableUtil.sizeOf(list.stream().spliterator())).isEqualTo(6);24		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream())).isEqualTo(5);25		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream().iterator())).isEqualTo(5);26		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream().spliterator())).isEqualTo(5);27		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream().parallel())).isEqualTo(5);28		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream().parallel().iterator())).isEqualTo(5);29		assertThat(IterableUtil.sizeOf(list.subList(0, 5).stream().parallel().spliterator())).isEqualTo(5);30	}31}

IterableUtil

Using AI Code Generation

1package com.automationrhapsody.junit;2import org.assertj.core.util.IterableUtil;3import org.junit.Test;4import java.util.ArrayList;5import java.util.List;6public class IterableUtilTest {7    public void testIterableUtil() {8        List<String> list = new ArrayList<>();9        list.add("first");10        list.add("second");11        IterableUtil.forEach(list, System.out::println);12    }13}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.ArrayList;3import java.util.List;4public class IterableUtilExample {5   public static void main(String[] args) {6      List<String> list = new ArrayList<>();7      list.add("One");8      list.add("Two");9      list.add("Three");10      list.add("Four");11      list.add("Five");12      System.out.println("The list is: " + list);13      System.out.println("The first element is: " + IterableUtil.first(list));14      System.out.println("The last element is: " + IterableUtil.last(list));15   }16}

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.ArrayList;3import java.util.List;4public class IterableUtilExample {5   public static void main(String[] args) {6      List<String> list = new ArrayList<>();7      list.add("Java");8      list.add("Python");9      list.add("C#");10      list.add("C++");11      list.add("PHP");12      List<Integer> list1 = new ArrayList<>();13      list1.add(1);14      list1.add(2);15      list1.add(3);16      list1.add(4);17      list1.add(5);18      List<Boolean> list2 = new ArrayList<>();19      list2.add(true);20      list2.add(false);21      list2.add(true);22      list2.add(false);23      list2.add(true);24      List<Character> list3 = new ArrayList<>();25      list3.add('A');26      list3.add('B');27      list3.add('C');28      list3.add('D');29      list3.add('E');30      List<Float> list4 = new ArrayList<>();31      list4.add(1.0f);32      list4.add(2.0f);33      list4.add(3.0f);34      list4.add(4.0f);35      list4.add(5.0f);36      List<Double> list5 = new ArrayList<>();37      list5.add(1.0);38      list5.add(2.0);39      list5.add(3.0);40      list5.add(4.0);41      list5.add(5.0);42      List<Byte> list6 = new ArrayList<>();43      list6.add((byte) 1);44      list6.add((byte) 2);45      list6.add((byte) 3);46      list6.add((byte) 4);47      list6.add((byte) 5);48      List<Short> list7 = new ArrayList<>();49      list7.add((short) 1);50      list7.add((short) 2);51      list7.add((short) 3);52      list7.add((short) 4);

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.Arrays;3public class IterableUtilExample {4   public static void main(String[] args) {5      Iterable<Integer> iterable = Arrays.asList(1, 2, 3, 4, 5);6      System.out.println(IterableUtil.asList(iterable));7   }8}9Java | AssertJ - assertThat(Iterable<?> actual)

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.List;3import java.util.ArrayList;4public class IterableUtilExample {5   public static void main(String[] args) {6      List<String> list = new ArrayList<String>();7      list.add("Hello");8      list.add("World");9      list.add("!");10      String[] array = new String[] {"Hello", "World", "!"};11      System.out.println("Does list contain all elements of array? " + IterableUtil.containsAll(list, array));12   }13}14AssertJ - assertThatThrownBy() Method15AssertJ - assertThat() Method16AssertJ - assertThatCode() Method17AssertJ - assertThatExceptionOfType() Method18AssertJ - assertThatIllegalArgumentException() Method19AssertJ - assertThatIllegalStateException() Method20AssertJ - assertThatNullPointerException() Method21AssertJ - assertThatObject() Method22AssertJ - assertThatOptional() Method23AssertJ - assertThatPath() Method24AssertJ - assertThatPathDoesNotExist() Method25AssertJ - assertThatPathExists() Method26AssertJ - assertThatPathIsReadable() Method27AssertJ - assertThatPathIsWritable() Method28AssertJ - assertThatPathIsAbsolute() Method29AssertJ - assertThatPathIsDirectory() Method30AssertJ - assertThatPathIsRegularFile() Method31AssertJ - assertThatPathIsHidden() Method32AssertJ - assertThatPathHasParent() Method33AssertJ - assertThatPathHasNoParent() Method34AssertJ - assertThatPathHasFileName() Method35AssertJ - assertThatPathHasNoFileName() Method36AssertJ - assertThatPathHasExtension() Method37AssertJ - assertThatPathHasNoExtension() Method

IterableUtil

Using AI Code Generation

1import org.assertj.core.util.IterableUtil;2import java.util.List;3import java.util.ArrayList;4public class IterableUtilExample {5   public static void main(String args[]) {6      List<String> list = new ArrayList<>();7      list.add("one");8      list.add("two");9      list.add("three");10      list.add("four");11      list.add("five");12      String lastElement = IterableUtil.lastElement(list);13      System.out.println("Last element of list is: " + lastElement);14   }15}16Recommended Posts: org.assertj.core.util.IterableUtil.firstElement(Iterable) in Java with Examples17org.assertj.core.util.IterableUtil.sizeOf(Iterable) in Java with Examples18org.assertj.core.util.IterableUtil.isNullOrEmpty(Iterable) in Java with Examples19org.assertj.core.util.Lists.list(Object[]) in Java with Examples20org.assertj.core.util.Lists.list(Object[]) i

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