How to use assertStartsWith method of org.assertj.core.internal.Iterables class

Best Assertj code snippet using org.assertj.core.internal.Iterables.assertStartsWith

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...27import org.assertj.core.api.AssertionInfo;28import org.assertj.core.internal.Iterables;29import org.assertj.core.internal.IterablesBaseTest;30/​**31 * Tests for <code>{@link Iterables#assertStartsWith(AssertionInfo, Collection, Object[])}</​code>.32 * 33 * @author Alex Ruiz34 * @author Joel Costigliola35 */​36public class Iterables_assertStartsWith_Test extends IterablesBaseTest {37 @Override38 @Before39 public void setUp() {40 super.setUp();41 actual = newArrayList("Yoda", "Luke", "Leia", "Obi-Wan");42 }43 @Test44 public void should_throw_error_if_sequence_is_null() {45 thrown.expectNullPointerException(valuesToLookForIsNull());46 iterables.assertStartsWith(someInfo(), actual, null);47 }48 @Test49 public void should_pass_if_actual_and_sequence_are_empty() {50 actual.clear();51 iterables.assertStartsWith(someInfo(), actual, emptyArray());52 }53 @Test54 public void should_fail_if_sequence_to_look_for_is_empty_and_actual_is_not() {55 thrown.expect(AssertionError.class);56 iterables.assertStartsWith(someInfo(), actual, emptyArray());57 }58 @Test59 public void should_fail_if_actual_is_null() {60 thrown.expectAssertionError(actualIsNull());61 iterables.assertStartsWith(someInfo(), null, array("Yoda"));62 }63 @Test64 public void should_fail_if_sequence_is_bigger_than_actual() {65 AssertionInfo info = someInfo();66 Object[] sequence = { "Yoda", "Luke", "Leia", "Obi-Wan", "Han", "C-3PO", "R2-D2", "Anakin" };67 try {68 iterables.assertStartsWith(info, actual, sequence);69 } catch (AssertionError e) {70 verifyFailureThrownWhenSequenceNotFound(info, sequence);71 return;72 }73 failBecauseExpectedAssertionErrorWasNotThrown();74 }75 @Test76 public void should_fail_if_actual_does_not_start_with_sequence() {77 AssertionInfo info = someInfo();78 Object[] sequence = { "Han", "C-3PO" };79 try {80 iterables.assertStartsWith(info, actual, sequence);81 } catch (AssertionError e) {82 verifyFailureThrownWhenSequenceNotFound(info, sequence);83 return;84 }85 failBecauseExpectedAssertionErrorWasNotThrown();86 }87 @Test88 public void should_fail_if_actual_starts_with_first_elements_of_sequence_only() {89 AssertionInfo info = someInfo();90 Object[] sequence = { "Leia", "Obi-Wan", "Han" };91 try {92 iterables.assertStartsWith(info, actual, sequence);93 } catch (AssertionError e) {94 verifyFailureThrownWhenSequenceNotFound(info, sequence);95 return;96 }97 failBecauseExpectedAssertionErrorWasNotThrown();98 }99 private void verifyFailureThrownWhenSequenceNotFound(AssertionInfo info, Object[] sequence) {100 verify(failures).failure(info, shouldStartWith(actual, sequence));101 }102 @Test103 public void should_pass_if_actual_starts_with_sequence() {104 iterables.assertStartsWith(someInfo(), actual, array("Yoda", "Luke", "Leia"));105 }106 @Test107 public void should_pass_if_actual_and_sequence_are_equal() {108 iterables.assertStartsWith(someInfo(), actual, array("Yoda", "Luke", "Leia", "Obi-Wan"));109 }110 @Test111 public void should_pass_if_infinite_iterable_starts_with_given_sequence() throws Exception {112 iterables.assertStartsWith(someInfo(), infiniteListOfNumbers(), array(1, 2, 3, 4, 5));113 }114 private Iterable<Integer> infiniteListOfNumbers() {115 return new Iterable<Integer>() {116 int number = 1;117 @Override118 public Iterator<Integer> iterator() {119 return new Iterator<Integer>() {120 @Override121 public boolean hasNext() {122 return true;123 }124 @Override125 public Integer next() {126 return number++;127 }128 @Override129 public void remove() {130 }131 };132 }133 };134 }135 /​/​ ------------------------------------------------------------------------------------------------------------------136 /​/​ tests using a custom comparison strategy137 /​/​ ------------------------------------------------------------------------------------------------------------------138 @Test139 public void should_fail_if_actual_does_not_start_with_sequence_according_to_custom_comparison_strategy() {140 AssertionInfo info = someInfo();141 Object[] sequence = { "Han", "C-3PO" };142 try {143 iterablesWithCaseInsensitiveComparisonStrategy.assertStartsWith(info, actual, sequence);144 } catch (AssertionError e) {145 verify(failures).failure(info, shouldStartWith(actual, sequence, comparisonStrategy));146 return;147 }148 failBecauseExpectedAssertionErrorWasNotThrown();149 }150 @Test151 public void should_fail_if_actual_starts_with_first_elements_of_sequence_only_according_to_custom_comparison_strategy() {152 AssertionInfo info = someInfo();153 Object[] sequence = { "Leia", "Obi-Wan", "Han" };154 try {155 iterablesWithCaseInsensitiveComparisonStrategy.assertStartsWith(info, actual, sequence);156 } catch (AssertionError e) {157 verify(failures).failure(info, shouldStartWith(actual, sequence, comparisonStrategy));158 return;159 }160 failBecauseExpectedAssertionErrorWasNotThrown();161 }162 @Test163 public void should_pass_if_actual_starts_with_sequence_according_to_custom_comparison_strategy() {164 iterablesWithCaseInsensitiveComparisonStrategy.assertStartsWith(someInfo(), actual, array("YODA", "luke", "Leia"));165 }166 @Test167 public void should_pass_if_actual_and_sequence_are_equal_according_to_custom_comparison_strategy() {168 iterablesWithCaseInsensitiveComparisonStrategy.assertStartsWith(someInfo(), actual, array("Yoda", "LUke", "LeIA", "oBi-WaN"));169 }170}...

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assertStartsWith

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1assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");2assertThat(newArrayList("John", "Doe")).startsWith("John");3assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");4assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");5assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");6assertThat(newArrayList("John", "Doe")).startsWith("John");7assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");8assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");9assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");10assertThat(newArrayList("John", "Doe")).startsWith("John");11assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");12assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");13assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");14assertThat(newArrayList("John", "Doe")).startsWith("John");15assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");16assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");17assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");18assertThat(newArrayList("John", "Doe")).startsWith("John");19assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");20assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");21assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");22assertThat(newArrayList("John", "Doe")).startsWith("John");23assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "Foo");24assertThat(newArrayList("John", "Doe")).startsWith("John", "Foo");25assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe");26assertThat(newArrayList("John", "Doe")).startsWith("John");27assertThat(newArrayList("John", "Doe")).startsWith("John", "Doe", "

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assertStartsWith

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1assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {2 public int compare(String o1, String o2) {3 return o1.compareTo(o2);4 }5}).startsWith("a");6assertThat("abc").startsWith("a");7assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {8 public int compare(String o1, String o2) {9 return o1.compareTo(o2);10 }11}).startsWith("a");12assertThat("abc").startsWith("a");13assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {14 public int compare(String o1, String o2) {15 return o1.compareTo(o2);16 }17}).startsWith("a");18assertThat("abc").startsWith("a");19assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {20 public int compare(String o1, String o2) {21 return o1.compareTo(o2);22 }23}).startsWith("a");24assertThat("abc").startsWith("a");25assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {26 public int compare(String o1, String o2) {27 return o1.compareTo(o2);28 }29}).startsWith("a");30assertThat("abc").startsWith("a");31assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {32 public int compare(String o1, String o2) {33 return o1.compareTo(o2);34 }35}).startsWith("a");36assertThat("abc").startsWith("a");37assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {38 public int compare(String o1, String o2) {39 return o1.compareTo(o2);40 }41}).startsWith("a");42assertThat("abc").startsWith("a");43assertThat(Arrays.asList("a", "b")).usingElementComparator(new Comparator<String>() {44 public int compare(String o1, String o2) {45 return o1.compareTo(o2);46 }47}).startsWith("a");48assertThat("abc").startsWith("a");

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assertStartsWith

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1public class AssertStartsWithTest {2 public void testAssertStartsWith() {3 String[] actual = new String[] { "One", "Two", "Three" };4 String[] sequence = new String[] { "One", "Two" };5 assertThat(actual).startsWith(sequence);6 }7}8assertStartsWith (actual, sequence)9assertStartsWith (actual, sequence, info)

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assertStartsWith

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1import java.util.Arrays;2import java.util.List;3import org.assertj.core.api.Assertions;4import org.assertj.core.internal.Iterables;5public class AssertStartsWith {6 public static void main(String[] args) {7 List<Integer> actual = Arrays.asList(1, 2, 3, 4, 5);8 List<Integer> values = Arrays.asList(1, 2, 3);9 Assertions.assertThat(actual).startsWith(values);10 }11}

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assertStartsWith

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1import org.assertj.core.internal.Iterables;2import java.util.ArrayList;3import java.util.Arrays;4import java.util.List;5public class IterablesAssertStartsWithExample {6 public static void main(String[] args) {7 List<String> list = new ArrayList<>(Arrays.asList("A", "B", "C", "D", "E"));8 Iterables iterables = Iterables.instance();9 iterables.assertStartsWith(info(), list, "A", "B");10 iterables.assertStartsWith(info(), list, "A", "B", "C");11 iterables.assertStartsWith(info(), list, "A", "B", "C", "D", "E");12 iterables.assertStartsWith(info(), list, "A", "B", "C", "D", "E", "F");13 iterables.assertStartsWith(info(), list, "B", "C");14 iterables.assertStartsWith(info(), list, "D", "E");15 iterables.assertStartsWith(info(), list, "E", "F");16 }17 private static Description info() {18 return new Description("Test");19 }20}

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assertStartsWith

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1String[] languages = new String[]{"Java", "Kotlin", "Scala", "Groovy", "Python"};2String[] sequence = new String[]{"Java", "Kotlin"};3assertThat(languages).startsWith(sequence);4String[] languages = new String[]{"Java", "Kotlin", "Scala", "Groovy", "Python"};5String[] sequence = new String[]{"Kotlin", "Java"};6assertThat(languages).startsWith(sequence);7assertThat(languages).startsWith("Java", "Kotlin");8assertThat(languages).startsWith("Kotlin", "Java");9assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python");10assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");11assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy");12assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");13assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");14assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");15assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");16assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");17assertThat(languages).startsWith("Java", "Kotlin", "Scala", "Groovy", "Python", "Ruby");

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assertStartsWith

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1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Iterables;3import org.junit.Test;4public class Iterables_assertStartsWith_Test {5 public void should_pass_if_actual_starts_with_given_sequence() {6 String[] actual = {"Yoda", "Luke", "Leia"};7 String[] values = {"Yoda", "Luke"};8 Assertions.assertThat(actual).startsWith(values);9 }10 public void should_pass_if_actual_and_given_values_are_empty() {11 String[] actual = {};12 String[] values = {};13 Assertions.assertThat(actual).startsWith(values);14 }15 public void should_fail_if_actual_is_null() {16 String[] actual = null;17 String[] values = {"Yoda", "Luke"};18 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> Assertions.assertThat(actual).startsWith(values));19 }20 public void should_fail_if_actual_does_not_start_with_given_sequence() {21 String[] actual = {"Yoda", "Luke", "Leia"};22 String[] values = {"Luke", "Leia"};23 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> Assertions.assertThat(actual).startsWith(values));24 }25 public void should_fail_if_actual_starts_with_given_values_but_not_only_them() {26 String[] actual = {"Yoda", "Luke", "Leia"};27 String[] values = {"Yoda", "Luke"};28 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> Assertions.assertThat(actual).startsWith(values));29 }30 public void should_fail_if_actual_starts_with_given_values_but_not_only_them_even_if_duplicated() {31 String[] actual = {"Yoda", "Luke", "Leia", "Yoda", "Luke", "Leia"};32 String[] values = {"Yoda", "Luke", "Yoda", "Luke"};33 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(()

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assertStartsWith

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1import org.assertj.core.internal.Iterables;2import org.assertj.core.internal.Objects;3import org.assertj.core.internal.StandardComparisonStrategy;4import org.assertj.core.util.IterableUtil;5import org.assertj.core.util.VisibleForTesting;6import java.util.Arrays;7import java.util.List;8import static org.assertj.core.error.ShouldStartWith.shouldStartWith;9import static org.assertj.core.util.IterableUtil.sizeOf;10public class AssertStartsWith {11 private static final Iterables iterables = new Iterables();12 private static final Objects objects = Objects.instance();13 public static void main(String[] args) {14 List<String> list1 = Arrays.asList("a", "b", "c");15 List<String> list2 = Arrays.asList("a", "b", "c", "d");16 List<String> list3 = Arrays.asList("a", "b", "e");17 List<String> list4 = Arrays.asList("a", "b", "c", "d");18 List<String> list5 = Arrays.asList("a", "b", "c", "d", "e");19 List<String> list6 = Arrays.asList("a", "b", "c", "d", "e");20 List<String> list7 = Arrays.asList("a", "b", "c", "d", "e");21 List<String> list8 = Arrays.asList("a", "b", "c", "d", "e");22 List<String> list9 = Arrays.asList("a", "b", "c", "d", "e");23 List<String> list10 = Arrays.asList("a", "b", "c", "d", "e");24 List<String> list11 = Arrays.asList("a", "b", "c", "d", "e");25 List<String> list12 = Arrays.asList("a", "b", "c", "d", "e");26 List<String> list13 = Arrays.asList("

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