How to use assertThatIllegalArgumentException method of org.assertj.core.api.Assertions class

Best Assertj code snippet using org.assertj.core.api.Assertions.assertThatIllegalArgumentException

Source:YeinGidTest.java

...14 * limitations under the License.15 */16package cool.houge.util;17import static org.assertj.core.api.Assertions.assertThat;18import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;19import static org.assertj.core.api.SoftAssertions.assertSoftly;20import org.junit.jupiter.api.Test;21import org.junit.jupiter.params.ParameterizedTest;22import org.junit.jupiter.params.provider.ValueSource;23/**24 * {@link YeinGid} ååæµè¯.25 *26 * @author KK (kzou227@qq.com)27 */28class YeinGidTest {29  @Test30  void makeYeinGid() {31    var fid = 5432;32    var gid = new YeinGid(fid);33    var hexString1 = gid.toHexString();34    var hexString2 = gid.toHexString();35    assertThat(hexString1)36        .isEqualTo(hexString2)37        .isEqualTo(gid.toString())38        .hasSize(YeinGid.YEIN_GID_LENGTH);39  }40  @ValueSource(ints = {5432, 0, 131071})41  @ParameterizedTest42  void fromString(int fid) {43    var gid = new YeinGid(fid);44    var hexString = gid.toHexString();45    var parsedGid = YeinGid.fromString(hexString);46    assertSoftly(47        s -> {48          s.assertThat(parsedGid.getVersion()).as("version").isEqualTo(gid.getVersion());49          s.assertThat(parsedGid.getTimestamp()).as("timestamp").isEqualTo(gid.getTimestamp());50          s.assertThat(parsedGid.getSeq()).as("seq").isEqualTo(gid.getSeq());51          s.assertThat(parsedGid.getFid()).as("f2").isEqualTo(gid.getFid());52        });53  }54  @Test55  void illegalYeinGid() {56    assertThatIllegalArgumentException().isThrownBy(() -> YeinGid.fromString(null));57    assertThatIllegalArgumentException().isThrownBy(() -> YeinGid.fromString(""));58    assertThatIllegalArgumentException().isThrownBy(() -> YeinGid.fromString("4S27BZZ8ZZR*7E"));59    assertThatIllegalArgumentException().isThrownBy(() -> YeinGid.fromString("4S27BZZ#ZZR*7EMG&"));60  }61  @Test62  void illegalFid() {63    assertThatIllegalArgumentException().isThrownBy(() -> new YeinGid(-1));64    assertThatIllegalArgumentException().isThrownBy(() -> new YeinGid(131072));65  }66}...

Source:CatTests.java

...8package com.example.demo;9import java.time.LocalDate;10import org.junit.jupiter.api.Test;11import static org.assertj.core.api.Assertions.assertThat;12import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;13import static org.assertj.core.api.Assertions.assertThatIllegalStateException;14import static org.assertj.core.api.Assertions.assertThatNoException;15/**16 * @author Madhura Bhave17 */18class CatTests {19	@Test20	void createCatWithValidNameShouldSucceed() {21		assertThatNoException().isThrownBy(() -> new Cat("Toby"));22	}23	@Test24	void createCatWithShortNameShouldThrowException() {25		assertThatIllegalStateException().isThrownBy(() -> new Cat("tom"));26	}27	@Test28	void createCatWithLowercaseNameShouldThrowException() {29		assertThatIllegalArgumentException().isThrownBy(() -> new Cat("a"));30	}31	@Test32	void getNameShouldReturnName() {33		Cat cat = new Cat("Toby");34		assertThat(cat.getName()).isEqualTo("Toby");35	}36	@Test37	void getAgeShouldReturnAge() {38		Cat cat = new Cat("Toby", LocalDate.now().minusMonths(3));39		assertThat(cat.getAgeInMonths()).isEqualTo(3);40	}41	@Test42	void defaultAgeIsFourMonth() {43		Cat cat = new Cat("Paprika");...

Source:ProductTest.java

...3import org.junit.jupiter.api.Test;4import org.mockito.internal.matchers.Null;5import java.math.BigDecimal;6import static org.assertj.core.api.Assertions.*;7import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;8public class ProductTest {9    private Products product1;10    @BeforeEach11    void beforeEach(){12        product1= new Products("bb","d","dd",2,2, BigDecimal.ONE,1l);13    }14    @Test15    void verlaagQuantityInOrder(){16        product1.verlaagQuantityInOrder(1);17        assertThat(product1.quantityInOrder).isEqualTo(1);18    }19    @Test20    void verlaagQuantityInOrderMetTeveel(){21        assertThatIllegalArgumentException().isThrownBy(()-> product1.verlaagQuantityInOrder(5));22    }23    @Test24    void verlaagQuantitYmetnegatiefl(){25        assertThatIllegalArgumentException().isThrownBy(()-> product1.verlaagQuantityInOrder(-9));26    }27    @Test28    void verlaagQuantityInstock(){29        product1.verlaagQuantityInStock(1);30        assertThat(product1.quantityInStock).isEqualTo(1);31    }32    @Test33    void verlaagQualintyInOrderMetTeveel(){34        assertThatIllegalArgumentException().isThrownBy(()-> product1.verlaagQuantityInStock(5));35    }36    @Test37    void verlaagQualintYmetnegatiefl(){38        assertThatIllegalArgumentException().isThrownBy(()-> product1.verlaagQuantityInStock(-9));39    }40}...

assertThatIllegalArgumentException

Using AI Code Generation

1import org.junit.jupiter.api.Test;2import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;3public class App {4    public static void main(String[] args) {5        System.out.println("Hello World");6    }7    public void test() {8        assertThatIllegalArgumentException()9                .isThrownBy(() -> { throw new IllegalArgumentException("test"); })10                .withMessage("test");11    }12}13[INFO] --- maven-clean-plugin:3.1.0:clean (default-clean) @ my-app ---14[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ my-app ---15[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ my-app ---16[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ my-app ---17[INFO] --- maven-compiler-plugin:3.8.1:testCompile (default-testCompile) @ my-app ---

assertThatIllegalArgumentException

Using AI Code Generation

1package org.example;2import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;3public class App {4    public static void main(String[] args) {5        assertThatIllegalArgumentException().isThrownBy(() -> {6            throw new IllegalArgumentException("boom!");7        }).withMessage("boom!");8    }9}10	at org.junit.Assert.assertEquals(Assert.java:115)11	at org.junit.Assert.assertEquals(Assert.java:144)12	at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:89)13	at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:27)14	at org.example.App.lambda$main$0(App.java:7)15	at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:52)16	at org.assertj.core.api.AssertionsForClassTypes.catchThrowable(AssertionsForClassTypes.java:966)17	at org.assertj.core.api.Assertions.catchThrowable(Assertions.java:1469)18	at org.assertj.core.api.Assertions.assertThatIllegalArgumentException(Assertions.java:1302)19	at org.example.App.main(App.java:6)

assertThatIllegalArgumentException

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;4{5    void test()6    {7        assertThatIllegalArgumentException().isThrownBy(() -> {8            throw new IllegalArgumentException("test");9        }).withMessage("test");10    }11}12[INFO] --- maven-clean-plugin:3.1.0:clean (default-clean) @ app ---13[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ app ---14[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ app ---15[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ app ---16[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ app ---17[INFO] --- maven-surefire-plugin:2.22.1:test (default-test) @ app ---

assertThatIllegalArgumentException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class Test1 {4    public void test1() {5        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> {6            throw new IllegalArgumentException("test");7        }).withMessage("test");8    }9}10	at org.assertj.core.internal.Throwables.assertHasMessage(Throwables.java:47)11	at org.assertj.core.api.ThrowableAssert.hasMessage(ThrowableAssert.java:160)12	at org.assertj.core.api.Assertions$ThrowableAssertAlternative.hasMessage(Assertions.java:1381)13	at Test1.test1(Test1.java:9)

assertThatIllegalArgumentException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;2import static org.assertj.core.api.Assertions.assertThatNullPointerException;3public class AssertJAssertThatIllegalArgumentException {4    public static void main(String[] args) {5        assertThatIllegalArgumentException().isThrownBy(()->{6            throw new IllegalArgumentException("IllegalArgumentException");7        }).withMessage("IllegalArgumentException");8        assertThatIllegalArgumentException().isThrownBy(()->{9            throw new IllegalArgumentException("IllegalArgumentException");10        }).withMessageContaining("Illegal");11        assertThatIllegalArgumentException().isThrownBy(()->{12            throw new IllegalArgumentException("IllegalArgumentException");13        }).withMessageStartingWith("Illegal");14        assertThatIllegalArgumentException().isThrownBy(()->{15            throw new IllegalArgumentException("IllegalArgumentException");16        }).withMessageEndingWith("Exception");17        assertThatIllegalArgumentException().isThrownBy(()->{18            throw new IllegalArgumentException("IllegalArgumentException");19        }).withMessageMatching("Illegal.*");20        assertThatIllegalArgumentException().isThrownBy(()->{21            throw new IllegalArgumentException("IllegalArgumentException");22        }).withMessageMatching("Illegal.*").withNoCause();23        assertThatNullPointerException().isThrownBy(()->{24            throw new NullPointerException("NullPointerException");25        }).withMessage("NullPointerException");26        assertThatNullPointerException().isThrownBy(()->{27            throw new NullPointerException("NullPointerException");28        }).withMessageContaining("Null");29        assertThatNullPointerException().isThrownBy(()->{30            throw new NullPointerException("NullPointerException");31        }).withMessageStartingWith("Null");32        assertThatNullPointerException().isThrownBy(()->{33            throw new NullPointerException("NullPointerException");34        }).withMessageEndingWith("Exception");35        assertThatNullPointerException().isThrownBy(()->{36            throw new NullPointerException("NullPointerException");37        }).withMessageMatching("Null.*");38        assertThatNullPointerException().isThrownBy(()->{39            throw new NullPointerException("NullPointerException");40        }).withMessageMatching("Null.*").withNoCause();41    }42}43	at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:59)44	at org.assertj.core.api.AssertionsForClassTypes.assertThatExceptionOfType(AssertionsForClassTypes.java:1057)45	at org.assertj.core.api.AssertionsForClassTypes.assertThatIllegalArgumentException(AssertionsForClassTypes.java:1051)46	at AssertJAssertThatIllegalArgumentException.main(AssertJAssertThatIllegalArgumentException.java:7)47	at AssertJAssertThatIllegalArgumentException.lambda$main$0(AssertJAssertThatIllegalArgumentException.java:8)

assertThatIllegalArgumentException

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertJTest {4    public void testAssertJ() {5        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> {6            throw new IllegalArgumentException("IllegalArgumentException");7        }).withMessage("IllegalArgumentException");8    }9}

assertThatIllegalArgumentException

Using AI Code Generation

1package org.example;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import java.util.ArrayList;5import java.util.List;6public class AppTest {7    public void testAssertThatIllegalArgumentException() {8        List<String> list = new ArrayList<String>();9        list.add("one");10        list.add("two");11        list.add("three");12        Assertions.assertThatIllegalArgumentException().isThrownBy(() -> { list.get(3); });13    }14}15package org.example;16import org.assertj.core.api.Assertions;17import org.junit.Test;18import java.util.ArrayList;19import java.util.List;20public class AppTest {21    public void testAssertThatNoException() {22        List<String> list = new ArrayList<String>();23        list.add("one");24        list.add("two");25        list.add("three");26        Assertions.assertThatNoException().isThrownBy(() -> { list.get(0); });27    }28}29package org.example;30import org.assertj.core.api.Assertions;31import org.junit.Test;32import java.util.ArrayList;33import java.util.List;34public class AppTest {35    public void testAssertThatNullPointerException() {36        List<String> list = new ArrayList<String>();37        list.add("one");38        list.add("two");39        list.add("three");40        Assertions.assertThatNullPointerException().is

assertThatIllegalArgumentException

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;2import java.util.function.Supplier;3import java.util.function.Predicate;4import java.util.function.Function;5import java.util.function.Consumer;6import java.util.function.BiFunction;7import java.util.function.BiConsumer;8import java.util.function.BiPredicate;9import org.junit.jupiter.api.Test;10class AssertionsTest {11    void assertThatIllegalArgumentExceptionTest() {12        assertThatIllegalArgumentException().isThrownBy(() -> {13            throw new IllegalArgumentException("test");14        }).withMessage("test");15    }16}17at org.assertj.core.internal.Throwables.assertThrowableThrownBy(Throwables.java:100)18at org.assertj.core.api.AssertionsForClassTypes.assertThatExceptionOfType(AssertionsForClassTypes.java:1151)19at org.assertj.core.api.Assertions.assertThatIllegalArgumentException(Assertions.java:1225)20at AssertionsTest.assertThatIllegalArgumentExceptionTest(AssertionsTest.java:11)21import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;22import org.junit.jupiter.api.Test;23class AssertionsTest {24    void assertThatIllegalArgumentExceptionTest() {25        assertThatIllegalArgumentException().isThrownBy(() -> {26            throw new IllegalArgumentException("test");27        }).withMessage("test");28    }29}30at org.assertj.core.internal.Throwables.assertThrowableThrownBy(Throwables.java:100)31at org.assertj.core.api.AssertionsForClassTypes.assertThatExceptionOfType(AssertionsForClassTypes.java:1151)32at org.assertj.core.api.Assertions.assertThatIllegalArgumentException(Assertions.java:1225)33at AssertionsTest.assertThatIllegalArgumentExceptionTest(AssertionsTest.java:11)34import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;35import org.junit.jupiter.api.Test;36class AssertionsTest {37    void assertThatIllegalArgumentExceptionTest() {38        assertThatIllegalArgumentException().isThrownBy(() -> {39            throw new IllegalArgumentException("test");40        }).withMessage("test");41    }42}

assertThatIllegalArgumentException

Using AI Code Generation

1package org.example;2import org.junit.jupiter.api.Test;3import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;4{5    void testAssertThatIllegalArgumentExceptionMethod()6    {7        String str = "abc";8        assertThatIllegalArgumentException().isThrownBy(() -> {9            str.charAt(-1);10        });11    }12}13org.example.AppTest > testAssertThatIllegalArgumentExceptionMethod() FAILED14at org.example.AppTest.testAssertThatIllegalArgumentExceptionMethod(AppTest.java:14)15package org.example;16import org.junit.jupiter.api.Test;17import static org.assertj.core.api.Assertions.assertThatNullPointerException;18{19    void testAssertThatNullPointerExceptionMethod()20    {21        String str = null;22        assertThatNullPointerException().isThrownBy(() -> {23            str.charAt(0);24        });25    }26}27org.example.AppTest > testAssertThatNullPointerExceptionMethod() FAILED28at org.example.AppTest.testAssertThatNullPointerExceptionMethod(AppTest.java:14)29package org.example;30import org.junit.jupiter.api.Test;31import static org.assertj.core.api.Assertions.assertThatIllegalStateException;32{33    void testAssertThatIllegalStateExceptionMethod()34    {35        String str = "abc";36        assertThatIllegalStateException().isThrownBy(() -> {37            str.charAt(-1);38        });

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