Best Assertj code snippet using org.assertj.core.api.Assertions.assertThatIndexOutOfBoundsException
Source:CustomRVectorTest.java  
...2122import java.util.Iterator;2324import static org.assertj.core.api.Assertions.assertThat;25import static org.assertj.core.api.Assertions.assertThatIndexOutOfBoundsException;2627/**28 * @author Philippe Charles29 */30public class CustomRVectorTest {3132    private static final double D1 = 1, D2 = 2, D3 = 3;3334    private static CustomRVector wrap(double... values) {35        CustomRVector result = new CustomRVector(RUtils.DataType.NUMERIC, values.length);36        for (int i = 0; i < values.length; i++) {37            result.set(i + 1, values[i]);38        }39        return result;40    }4142    private static void assertEquals2(double expected, Object found) {43        assertThat(((Double) found)).isEqualTo(expected);44    }4546    @Test47    public void testGetLength() {48        assertThat(wrap().getLength()).isEqualTo(0);49        assertThat(wrap(D1, D2, D3).getLength()).isEqualTo(3);5051        CustomRVector vector = new CustomRVector(RUtils.DataType.NUMERIC, 100);52        assertThat(vector.getLength()).isEqualTo(100);53        assertThat(vector.data.size()).isEqualTo(0);54        vector.set(3, D1);55        assertThat(vector.data.size()).isEqualTo(3);56    }5758    @Test59    public void testGet() {60        CustomRVector vector = wrap(D1, D2);61        assertEquals2(D1, vector.get(1));62        assertEquals2(D2, vector.get(2));63    }6465    @Test66    public void testGetWithLowerBounds() {67        assertThatIndexOutOfBoundsException()68                .isThrownBy(() -> wrap(D1, D2).get(0));69    }7071    @Test72    public void testGetWithUpperBounds() {73        assertThatIndexOutOfBoundsException()74                .isThrownBy(() -> wrap(D1, D2).get(3));75    }7677    @Test78    public void testSet() {79        CustomRVector vector = wrap(D1, D2);80        vector.set(1, D3);81        assertEquals2(D3, vector.get(1));82        assertEquals2(D2, vector.get(2));83    }8485    @Test86    public void testSetWithLowerBounds() {87        assertThatIndexOutOfBoundsException()88                .isThrownBy(() -> wrap(D1, D2).set(0, D3));89    }9091    @Test92    public void testSetWithUpperBounds() {93        assertThatIndexOutOfBoundsException()94                .isThrownBy(() -> wrap(D1, D2).set(3, D3));95    }9697    @Test98    public void testIterator() {99        Iterator<Object> iterator = wrap(D1, D2).iterator();100        assertThat(iterator.hasNext()).isTrue();101        assertEquals2(D1, iterator.next());102        assertThat(iterator.hasNext()).isTrue();103        assertEquals2(D2, iterator.next());104        assertThat(iterator.hasNext()).isFalse();105    }106107    @Test
...Source:Assertions_assertThatIndexOutOfBoundsException_Test.java  
...11 * Copyright 2012-2022 the original author or authors.12 */13package org.assertj.core.api;14import static java.lang.String.format;15import static org.assertj.core.api.Assertions.assertThatIndexOutOfBoundsException;16import static org.assertj.core.api.BDDAssertions.then;17import static org.assertj.core.test.ThrowingCallableFactory.codeThrowing;18import static org.assertj.core.util.AssertionsUtil.expectAssertionError;19import org.assertj.core.api.ThrowableAssert.ThrowingCallable;20import org.junit.jupiter.api.Test;21class Assertions_assertThatIndexOutOfBoundsException_Test {22  @Test23  void should_pass_when_throw_IndexOutOfBoundsException() {24    assertThatIndexOutOfBoundsException().isThrownBy(codeThrowing(new IndexOutOfBoundsException()));25  }26  @Test27  void should_fail_when_throw_wrong_type() {28    // GIVEN29    ThrowingCallable throwingCallable = () -> assertThatIndexOutOfBoundsException().isThrownBy(codeThrowing(new Error()));30    // WHEN31    AssertionError assertionError = expectAssertionError(throwingCallable);32    // THEN33    then(assertionError).hasMessageContainingAll(Error.class.getName(), IndexOutOfBoundsException.class.getName());34  }35  @Test36  void should_fail_when_no_exception_thrown() {37    // GIVEN38    ThrowingCallable throwingCallable = () -> assertThatIndexOutOfBoundsException().isThrownBy(() -> {});39    // WHEN40    AssertionError assertionError = expectAssertionError(throwingCallable);41    // THEN42    then(assertionError).hasMessage(format("%nExpecting code to raise a throwable."));43  }44}...assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4    public void test() {5        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> {6            throw new IndexOutOfBoundsException();7        });8    }9}10at org.junit.Assert.assertEquals(Assert.java:115)11at org.junit.Assert.assertEquals(Assert.java:144)12at org.assertj.core.api.ThrowableAssert.isThrownBy(ThrowableAssert.java:91)13at Test1.test(Test1.java:9)14at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)15at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)16at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)17at java.lang.reflect.Method.invoke(Method.java:498)18at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)19at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)20at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)21at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)22at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)23at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)24at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)25at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)26at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)27at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)28at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)29at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)30at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)31at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)32at org.junit.runners.ParentRunner.run(ParentRunner.java:363)33at org.junit.runner.JUnitCore.run(JUnitCore.java:137)assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2import org.junit.Test;3import java.util.ArrayList;4import java.util.List;5public class Test1 {6    public void test1() {7        List<String> list = new ArrayList<>();8        list.add("a");9        list.add("b");10        list.add("c");11        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(3));12    }13}14import org.assertj.core.api.Assertions;15import org.junit.Test;16import java.util.ArrayList;17import java.util.List;18public class Test2 {19    public void test1() {20        List<String> list = new ArrayList<>();21        list.add("a");22        list.add("b");23        list.add("c");24        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(2));25    }26}27import org.assertj.core.api.Assertions;28import org.junit.Test;29import java.util.ArrayList;30import java.util.List;31public class Test3 {32    public void test1() {33        List<String> list = new ArrayList<>();34        list.add("a");35        list.add("b");36        list.add("c");37        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(1));38    }39}40import org.assertj.core.api.Assertions;41import org.junit.Test;42import java.util.ArrayList;43import java.util.List;44public class Test4 {45    public void test1() {46        List<String> list = new ArrayList<>();47        list.add("a");48        list.add("b");49        list.add("assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2public class AssertJExample {3    public static void main(String[] args) {4        String[] array = {"a", "b", "c"};5        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> {6            array[3] = "d";7        });8    }9}10import org.assertj.core.api.Assertions;11public class AssertJExample {12    public static void main(String[] args) {13        String[] array = {"a", "b", "c"};14        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> {15            array[3] = "d";16        });17    }18}19import org.assertj.core.api.Assertions;20public class AssertJExample {21    public static void main(String[] args) {22        String[] array = {"a", "b", "c"};23        Assertions.assertThatIllegalStateException().isThrownBy(() -> {24            array[3] = "d";25        });26    }27}28import org.assertj.core.api.Assertions;29public class AssertJExample {30    public static void main(String[] args) {31        String[] array = {"a", "b", "c"};32        Assertions.assertThatNullPointerException().isThrownBy(() -> {assertThatIndexOutOfBoundsException
Using AI Code Generation
1package org.example;2import org.assertj.core.api.Assertions;3import org.junit.jupiter.api.Test;4import java.util.ArrayList;5public class AppTest {6    public void testAssertThrows() {7        ArrayList<String> list = new ArrayList<>();8        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(1));9    }10}11	at org.assertj.core.internal.Throwables.assertThrowable(Throwables.java:138)12	at org.assertj.core.api.AssertionsForClassTypes.assertThrowable(AssertionsForClassTypes.java:1026)13	at org.assertj.core.api.Assertions.assertThrows(Assertions.java:1158)14	at org.assertj.core.api.Assertions.assertThatThrownBy(Assertions.java:1061)15	at org.assertj.core.api.Assertions.assertThatExceptionOfType(Assertions.java:1046)16	at org.assertj.core.api.Assertions.assertThatIndexOutOfBoundsException(Assertions.java:1032)17	at org.example.AppTest.testAssertThrows(AppTest.java:12)18	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)19	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)20	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)21	at java.lang.reflect.Method.invoke(Method.java:498)22	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)23	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:115)24	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:171)25	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)26	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:167)27	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:114)28	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:59)29	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:135)30	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)31	at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)assertThatIndexOutOfBoundsException
Using AI Code Generation
1package org.example;2import org.assertj.core.api.Assertions;3import org.junit.jupiter.api.Test;4import java.util.List;5public class ExampleTest {6    public void test() {7        List<Integer> integers = List.of(1, 2, 3);8        Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> integers.get(3));9    }10}11package org.example;12import org.assertj.core.api.Assertions;13import org.junit.jupiter.api.Test;14import java.util.List;15public class ExampleTest {16    public void test() {17        List<Integer> integers = List.of(1, 2, 3);18        Assertions.assertThatThrownBy(() -> integers.get(3))19                .isInstanceOf(IndexOutOfBoundsException.class);20    }21}22package org.example;23import org.assertj.core.api.Assertions;24import org.junit.jupiter.api.Test;25import java.util.List;26public class ExampleTest {27    public void test() {28        List<Integer> integers = List.of(1, 2, 3);29        Assertions.assertThatThrownBy(() -> integers.get(3))30                .isInstanceOf(IndexOutOfBoundsException.class)31                .hasMessage("Index 3 out of bounds for length 3");32    }33}34package org.example;35import org.assertj.core.api.Assertions;36import org.junit.jupiter.api.Test;37import java.util.List;38public class ExampleTest {39    public void test() {40        List<Integer> integers = List.of(1, 2, 3);41        Assertions.assertThatThrownBy(() -> integers.get(3))42                .isInstanceOf(IndexOutOfBoundsException.class)43                .hasMessage("Index 3 out of bounds for length 3")44                .hasNoCause();45    }46}47package org.example;48import org.assertj.core.api.Assertions;49import org.junit.jupiter.api.Test;50import java.util.List;51public class ExampleTest {52    public void test() {53        List<Integer> integers = List.of(1, 2, 3);assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2import org.junit.jupiter.api.Test;3public class AssertJAssertThatIndexOutOfBoundsException {4    public void assertThatIndexOutOfBoundsExceptionTest() {5        String str = "AssertJ";6        Assertions.assertThatThrownBy(() -> {7            char ch = str.charAt(10);8        }).isInstanceOf(IndexOutOfBoundsException.class)9                .hasMessageContaining("String index out of range: 10");10    }11}12	at org.junit.jupiter.api.AssertThrows.assertThrows(AssertThrows.java:58)13	at org.junit.jupiter.api.AssertThrows.assertThrows(AssertThrows.java:37)14	at org.junit.jupiter.api.Assertions.assertThrows(Assertions.java:1076)15	at org.junit.jupiter.api.Assertions.assertThrows(Assertions.java:1064)16	at AssertJAssertThatIndexOutOfBoundsException.assertThatIndexOutOfBoundsExceptionTest(AssertJAssertThatIndexOutOfBoundsException.java:13)17	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)18	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)19	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)20	at java.lang.reflect.Method.invoke(Method.java:498)21	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)22	at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)23	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)24	at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)25	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)26	at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)27	at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)28	at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)29	at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3import org.junit.Test;4public class AssertJExample {5   public void assertThatIndexOutOfBoundsException() {6      ThrowingCallable codeThrowingException = () -> { throw new IndexOutOfBoundsException(); };7      Assertions.assertThatExceptionOfType(IndexOutOfBoundsException.class).isThrownBy(codeThrowingException);8   }9}10[  ERROR   ] 1. assertThatIndexOutOfBoundsException(org.junit.AssertJExample)11	at org.junit.Assert.fail(Assert.java:88)12	at org.junit.Assert.failNotEquals(Assert.java:834)13	at org.junit.Assert.assertThrows(Assert.java:1002)14	at org.junit.Assert.assertThrows(Assert.java:984)15	at org.junit.Assert.assertThrows(Assert.java:970)16	at org.junit.AssertJExample.assertThatIndexOutOfBoundsException(AssertJExample.java:8)17	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)18	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)19	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)20	at java.base/java.lang.reflect.Method.invoke(Method.java:566)21	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:675)22	at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:115)23	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:171)24	at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:72)25	at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:167)assertThatIndexOutOfBoundsException
Using AI Code Generation
1package org.assertj.examples;2import static org.assertj.core.api.Assertions.assertThatIndexOutOfBoundsException;3import java.util.ArrayList;4import java.util.List;5import org.junit.Test;6public class AssertJExample1 {7	public void testAssertThatIndexOutOfBoundsException() {8		List<String> list = new ArrayList<String>();9		assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(0));10	}11}12	at org.junit.Assert.assertEquals(Assert.java:115)13	at org.junit.Assert.assertEquals(Assert.java:144)14	at org.assertj.examples.AssertJExample1.testAssertThatIndexOutOfBoundsException(AssertJExample1.java:14)15package org.assertj.examples;16import static org.assertj.core.api.Assertions.assertThatNullPointerException;17import org.junit.Test;18public class AssertJExample2 {19	public void testAssertThatNullPointerException() {20		assertThatNullPointerException().isThrownBy(() -> {21			throw new NullPointerException();22		});23	}24}25	at org.junit.Assert.assertEquals(Assert.java:115)26	at org.junit.Assert.assertEquals(Assert.java:144)27	at org.assertj.examples.AssertJExample2.testAssertThatNullPointerException(AssertJExample2.java:11)28package org.assertj.examples;29import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;30import org.junit.Test;31public class AssertJExample3 {32	public void testAssertThatIllegalArgumentException() {33		assertThatIllegalArgumentException().isThrownBy(() -> {34			throw new IllegalArgumentException();35		});36	}37}assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.*;2import org.junit.*;3import java.util.*;4public class Test1 {5   public void test() {6      List<String> list = new ArrayList<>();7      Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> list.get(0));8   }9}assertThatIndexOutOfBoundsException
Using AI Code Generation
1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class IndexOutOfBoundsExceptionTest {4   public void testIndexOutOfBoundsException() {5      String str = "To be or not to be";6      char c = str.charAt(40);7      Assertions.assertThatIndexOutOfBoundsException().isThrownBy(() -> str.charAt(40));8   }9}10import org.assertj.core.api.Assertions;11import org.junit.Test;12public class NullPointerExceptionTest {13   public void testNullPointerException() {14      String str = null;15      int len = str.length();16      Assertions.assertThatNullPointerException().isThrownBy(() -> str.length());17   }18}19import org.assertj.core.api.Assertions;20import org.junit.Test;21public class OutOfMemoryErrorTest {22   public void testOutOfMemoryError() {23      String str = "To be or not to be";24      int len = str.length();25      Assertions.assertThatOutOfMemoryError().isThrownBy(() -> str.length());26   }27}28import org.assertj.core.api.Assertions;29import org.junit.Test;30public class StackOverflowErrorTest {31   public void testStackOverflowError() {32      String str = "To be or not to be";33      int len = str.length();34      Assertions.assertThatStackOverflowError().isThrownBy(() -> str.length());35   }36}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.
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