How to use catchIllegalArgumentException method of org.assertj.core.api.BDDAssertions class

Best Assertj code snippet using org.assertj.core.api.BDDAssertions.catchIllegalArgumentException

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...11 * Copyright 2012-2022 the original author or authors.12 */​13package org.assertj.core.api;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.catchIllegalArgumentException;16import static org.assertj.core.api.Assertions_catchThrowable_Test.codeThrowing;17import static org.assertj.core.api.BDDAssertions.then;18import static org.assertj.core.util.AssertionsUtil.expectAssertionError;19import static org.mockito.Mockito.mock;20import org.assertj.core.api.ThrowableAssert.ThrowingCallable;21import org.junit.jupiter.api.Test;22class Assertions_catchIllegalArgumentException_Test {23 @Test24 void catchIllegalArgumentException_should_fail_with_good_message_if_wrong_type() {25 /​/​ GIVEN26 ThrowingCallable code = () -> catchIllegalArgumentException(raisingException("boom!!"));27 /​/​ WHEN28 AssertionError assertionError = expectAssertionError(code);29 /​/​ THEN30 assertThat(assertionError).hasMessageContainingAll(Exception.class.getName(), IllegalArgumentException.class.getName());31 }32 @Test33 void catchIllegalArgumentException_should_succeed_and_return_actual_instance_with_correct_class() {34 /​/​ GIVEN35 final IllegalArgumentException expected = new IllegalArgumentException("boom!!");36 /​/​ WHEN37 IllegalArgumentException actual = catchIllegalArgumentException(codeThrowing(expected));38 /​/​ THEN39 then(actual).isSameAs(expected);40 }41 @Test42 void catchIllegalArgumentException_should_succeed_and_return_null_if_no_exception_thrown() {43 /​/​ WHEN44 IllegalArgumentException actual = catchIllegalArgumentException(() -> {});45 /​/​ THEN46 then(actual).isNull();47 }48 @Test49 void catchIllegalArgumentException_should_catch_mocked_throwable() {50 /​/​ GIVEN51 IllegalArgumentException exception = mock(IllegalArgumentException.class);52 /​/​ WHEN53 Throwable actual = catchIllegalArgumentException(codeThrowing(exception));54 /​/​ THEN55 then(actual).isSameAs(exception);56 }57 static ThrowingCallable raisingException(final String reason) {58 return codeThrowing(new Exception(reason));59 }60}...

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...16import java.util.stream.Stream;17import org.assertj.core.api.ThrowableAssert.ThrowingCallable;18import org.junit.jupiter.params.ParameterizedTest;19import org.junit.jupiter.params.provider.MethodSource;20class EntryPointAssertions_catchIllegalArgumentException_Test extends EntryPointAssertionsBaseTest {21 private static final IllegalArgumentException ILLEGAL_ARGUMENT_EXCEPTION = new IllegalArgumentException();22 @ParameterizedTest23 @MethodSource("catchIllegalArgumentExceptions")24 void should_catch_IllegalArgumentException(Function<ThrowingCallable, IllegalArgumentException> catchIllegalArgumentExceptions) {25 /​/​ GIVEN26 ThrowingCallable throwingCallable = () -> {27 throw ILLEGAL_ARGUMENT_EXCEPTION;28 };29 /​/​ WHEN30 IllegalArgumentException throwable = catchIllegalArgumentExceptions.apply(throwingCallable);31 /​/​ THEN32 then(throwable).isSameAs(ILLEGAL_ARGUMENT_EXCEPTION);33 }34 private static Stream<Function<ThrowingCallable, IllegalArgumentException>> catchIllegalArgumentExceptions() {35 return Stream.of(Assertions::catchIllegalArgumentException, BDDAssertions::catchIllegalArgumentException, withAssertions::catchIllegalArgumentException);36 }37}...

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catchIllegalArgumentException

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1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;4import static org.assertj.core.api.BDDAssertions.then;5import static org.assertj.core.api.BDDAssertions.thenIllegalArgumentException;6class BDDAssertionsTest {7 void testIllegalArgumentException() {8 IllegalArgumentException exception = catchIllegalArgumentException(() -> {9 throw new IllegalArgumentException("message");10 });11 then(exception).hasMessage("message");12 }13 void testIllegalArgumentExceptionWithAssertJ() {14 thenIllegalArgumentException().isThrownBy(() -> {15 throw new IllegalArgumentException("message");16 }).withMessage("message");17 }18}

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catchIllegalArgumentException

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1import org.assertj.core.api.BDDAssertions;2import org.assertj.core.api.BDDAssertions.BDDMyObjectAssert;3import org.assertj.core.api.BDDSoftAssertions;4import org.assertj.core.api.BDDSoftAssertions.BDDSoftly;5import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyCallable;6import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert;7import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable;8import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable;9import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable;10import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable;11import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowableThrowable;12import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowableThrowableThrowable;13import org.assertj.core.api.BDDSoftAssertions.BDDSoftly.BDDSoftlyThrowableAssert.BDDSoftlyThrowableAssertThrowable.BDDSoftlyThrowableAssertThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowable.BDDSoftlyThrowableAssertThrowableThrowableThrowableThrowable.B

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catchIllegalArgumentException

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1import org.assertj.core.api.BDDAssertions;2import org.junit.Test;3public class Test1 {4 public void test1() {5 BDDAssertions.catchIllegalArgumentException(() -> {6 throw new IllegalArgumentException();7 });8 }9}10import org.assertj.core.api.Assertions;11import org.junit.Test;12public class Test2 {13 public void test1() {14 Assertions.catchIllegalArgumentException(() -> {15 throw new IllegalArgumentException();16 });17 }18}19import org.assertj.core.api.BDDAssertions;20import org.junit.Test;21public class Test3 {22 public void test1() {23 BDDAssertions.catchThrowableOfType(() -> {24 throw new IllegalArgumentException();25 }, IllegalArgumentException.class);26 }27}28import org.assertj.core.api.Assertions;29import org.junit.Test;30public class Test4 {31 public void test1() {32 Assertions.catchThrowableOfType(() -> {33 throw new IllegalArgumentException();34 }, IllegalArgumentException.class);35 }36}37import org.assertj.core.api.BDDAssertions;38import org.junit.Test;39public class Test5 {40 public void test1() {41 BDDAssertions.assertThatExceptionOfType(IllegalArgumentException.class).isThrownBy(() -> {42 throw new IllegalArgumentException();43 });44 }45}46import org.assertj.core.api.Assertions;47import org.junit.Test;48public class Test6 {49 public void test1() {50 Assertions.assertThatExceptionOfType(IllegalArgumentException.class).isThrownBy(() -> {51 throw new IllegalArgumentException();52 });53 }54}55import org.assertj.core.api.BDDAssertions;56import org.junit.Test;57public class Test7 {58 public void test1() {59 BDDAssertions.assertThatIllegalArgumentException().isThrownBy(() -> {60 throw new IllegalArgumentException();61 });

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catchIllegalArgumentException

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1package com.mycompany.app;2import org.junit.Test;3import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;4public class AppTest {5 public void testApp() {6 IllegalArgumentException thrown = catchIllegalArgumentException(() -> {7 throw new IllegalArgumentException("boom");8 });9 }10}11package com.mycompany.app;12import org.junit.Test;13import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;14public class AppTest {15 public void testApp() {16 assertThatIllegalArgumentException().isThrownBy(() -> {17 throw new IllegalArgumentException("boom");18 });19 }20}21package com.mycompany.app;22import org.junit.Test;23import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;24public class AppTest {25 public void testApp() {26 assertThatIllegalArgumentException().isThrownBy(() -> {27 throw new IllegalArgumentException("boom");28 });29 }30}

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catchIllegalArgumentException

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1import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;2import static org.assertj.core.api.BDDAssertions.then;3import static org.assertj.core.api.BDDAssertions.thenThrownBy;4import org.junit.Test;5public class AssertJDemo2 {6 public void testIllegalArgumentException() {7 IllegalArgumentException exception = catchIllegalArgumentException(() -> {8 throw new IllegalArgumentException("Illegal Argument Exception");9 });10 then(exception).hasMessage("Illegal Argument Exception");11 thenThrownBy(() -> {12 throw new IllegalArgumentException("Illegal Argument Exception");13 }).isInstanceOf(IllegalArgumentException.class);14 }15}16at org.junit.Assert.assertEquals(Assert.java:115)17at org.junit.Assert.assertEquals(Assert.java:144)18at AssertJDemo2.testIllegalArgumentException(AssertJDemo2.java:19)

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catchIllegalArgumentException

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1package com.puppycrawl.tools.checkstyle.checks.imports;2import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;3public class InputCustomImportOrderCatchIllegalArgumentException {4 public static void main(String[] args) {5 catchIllegalArgumentException(() -> {});6 }7}8 <property name="customImportOrderRules" value="SAME_PACKAGE(3)"/​>9 <property name="customImportOrderRules" value="SAME_PACKAGE(3)"/​>10 <property name="customImportOrderRules" value="SAME_PACKAGE(3)"/​>

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catchIllegalArgumentException

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1import org.assertj.core.api.BDDAssertions;2import org.junit.Test;3public class 1 {4 public void test() {5 BDDAssertions.catchIllegalArgumentException(() -> {6 throw new IllegalArgumentException("test");7 });8 }9}

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catchIllegalArgumentException

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1import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;2import java.util.Arrays;3import java.util.List;4import java.util.Map;5import java.util.stream.Collectors;6import java.util.stream.Stream;7class Test {8 public static void main(String[] args) {9 List<String> list = Arrays.asList("a", "b", "c");10 Map<Integer, List<String>> map = list.stream().collect(Collectors.groupingBy(String::length));11 IllegalArgumentException illegalArgumentException = catchIllegalArgumentException(() -> map.get(1).add("d"));12 System.out.println(illegalArgumentException.getMessage());13 }14}15 at java.base/​java.util.Collections$UnmodifiableCollection.add(Collections.java:1055)16 at Test.lambda$main$0(Test.java:14)17 at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:60)18 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:116)19 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:102)20 at org.assertj.core.api.BDDAssertions.catchIllegalArgumentException(BDDAssertions.java:160)21 at Test.main(Test.java:18)22import static org.assertj.core.api.BDDAssertions.catchThrowableOfType;23import java.util.Arrays;24import java.util.List;25import java.util.Map;26import java.util.stream.Collectors;27import java.util.stream.Stream;28class Test {29 public static void main(String[] args) {30 List<String> list = Arrays.asList("a", "b", "c");31 Map<Integer, List<String>> map = list.stream().collect(Collectors.groupingBy(String::length));32 IllegalArgumentException illegalArgumentException = catchThrowableOfType(() -> map.get(1).add("d"), IllegalArgumentException.class);33 System.out.println(illegalArgumentException.getMessage());34 }35}36 at java.base/​java.util.Collections$UnmodifiableCollection.add(Collections.java:1055)

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catchIllegalArgumentException

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1import org.assertj.core.api.BDDAssertions;2import org.junit.Test;3public class AssertJTest {4 public void test() {5 BDDAssertions.catchIllegalArgumentException(() -> {6 int i = 0;7 i++;8 });9 }10}11 at org.junit.Assert.assertEquals(Assert.java:115)12 at org.junit.Assert.assertEquals(Assert.java:144)13 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:102)14 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:88)15 at org.assertj.core.api.BDDAssertions.catchIllegalArgumentException(BDDAssertions.java:68)16 at AssertJTest.test(AssertJTest.java:9)17import org.assertj.core.api.BDDAssertions;18import org.junit.Test;19public class AssertJTest {20 public void test() {21 BDDAssertions.catchThrowableOfType(() -> {22 int i = 0;23 i++;24 }, IllegalArgumentException.class);25 }26}27import org.assertj.core.api.BDDAssertions;28import org.junit.Test;29public class AssertJTest {30 public void test() {31 BDDAssertions.catchThrowableOfType(() -> {32 int i = 0;33 i++;34 }, IllegalArgumentException.class);35 }36}37 at org.junit.Assert.assertEquals(Assert.java:115)38 at org.junit.Assert.assertEquals(Assert.java:144)39 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:102)40 at org.assertj.core.api.BDDAssertions.catchThrowable(BDDAssertions.java:88)41 at org.assertj.core.api.BDDAssertions.catchThrowableOfType(BDDAssertions.java:83)42 at AssertJTest.test(AssertJTest.java:9)43public static <T extends Throwable> T catchThrowable(ThrowingCallable shouldRaiseThrowable)

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catchIllegalArgumentException

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1import org.junit.Test;2import static org.assertj.core.api.Assertions.*;3import static org.assertj.core.api.BDDAssertions.catchIllegalArgumentException;4import java.util.ArrayList;5import java.util.Arrays;6import java.util.List;7public class AssertJTest {8 public void testAssertJ() {9 List<String> list = new ArrayList<>(Arrays.asList("a", "b", "c"));10 IllegalArgumentException exception = catchIllegalArgumentException(() -> list.add(5, "d"));11 assertThatThrownBy(() -> list.add(5, "d")).isInstanceOf(IllegalArgumentException.class);12 assertThat(exception).hasMessageContaining("Index: 5, Size: 3");13 }14}

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