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How to use isNull method of org.assertj.core.api.AbstractAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractAssert.isNull

Source:JsonListAssert.java

...75        return super.singleElement(assertFactory);76    }77    @Override78    public <ASSERT extends AbstractAssert<?, ?>> ASSERT asInstanceOf(InstanceOfAssertFactory<?, ASSERT> instanceOfAssertFactory) {79        throw failure("Please use isString(), isNumber(), isBoolean(), isNull(), isUri(), isArray() or isObject().%n"80            + "This method will most likely not provide the result you expect it to.");81    }82    /**83     * @deprecated  InstanceOfAssertFactory is not supported with JsonUnit84     */85    @Override86    @Deprecated87    public <ASSERT extends AbstractAssert<?, ?>> ASSERT first(InstanceOfAssertFactory<?, ASSERT> assertFactory) {88        return super.first(assertFactory);89    }90    /**91     * @deprecated  InstanceOfAssertFactory is not supported with JsonUnit92     */93    @Override...

Source:AbstractAssert_isNull_Test.java

...16import org.assertj.core.api.AbstractAssertBaseTest;17import org.assertj.core.api.ConcreteAssert;18import org.junit.Test;19/**20 * Tests for <code>{@link AbstractAssert#isNull()}</code>.21 * 22 * @author Alex Ruiz23 */24public class AbstractAssert_isNull_Test extends AbstractAssertBaseTest{25  @Test26  public void should_verify_that_actual_value_is_null() {27  }28  @Override29  protected ConcreteAssert invoke_api_method() {30    assertions.isNull();31    return null;32  }33  @Override34  protected void verify_internal_effects() {35    verify(objects).assertNull(getInfo(assertions), getActual(assertions));36  }37  38  @Override39  @Test40  public void should_return_this() {41    // Disable this test, the isNull method is void.42  }43}...

Source:DashboardAssert.java

...28  public DashboardAssert doesntHaveCell(int line, int cell) {29    return doesntHaveCell(Position.of(line, cell));30  }31  public DashboardAssert doesntHaveCell(Position position) {32    assertThat(actual.getDashboardCell(position)).isNull();33    return this;34  }35}...

isNull

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import org.junit.Test;3public class AssertJIsNullTest {4    public void testIsNull() {5        String str = null;6        assertThat(str).isNull();7    }8}9at org.junit.Assert.assertEquals(Assert.java:115)10at org.junit.Assert.assertEquals(Assert.java:144)11at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)12at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:69)13at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:54)14at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:49)15at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:37)16at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:33)17at org.assertj.core.api.Assertions.assertThat(Assertions.java:1077)18at org.assertj.core.api.Assertions.assertThat(Assertions.java:1047)19at org.assertj.core.api.Assertions.assertThat(Assertions.java:1035)20at org.assertj.core.api.Assertions.assertThat(Assertions.java:1031)21at org.assertj.core.api.Assertions.assertThat(Assertions.java:1027)22at org.assertj.core.api.Assertions.assertThat(Assertions.java:1023)23at org.assertj.core.api.Assertions.assertThat(Assertions.java:1019)24at org.assertj.core.api.Assertions.assertThat(Assertions.java:1015)25at org.assertj.core.api.Assertions.assertThat(Assertions.java:1011)26at org.assertj.core.api.Assertions.assertThat(Assertions.java:1007)27at org.assertj.core.api.Assertions.assertThat(Assertions.java:1003)28at org.assertj.core.api.Assertions.assertThat(Assertions.java:999)29at org.assertj.core.api.Assertions.assertThat(Assertions.java:995)30at org.assertj.core.api.Assertions.assertThat(Assertions.java:991)31at org.assertj.core.api.Assertions.assertThat(Assertions.java:987)32at org.assertj.core.api.Assertions.assertThat(Assertions.java:983)33at org.assertj.core.api.Assertions.assertThat(Assertions.java:979)34at org.assertj.core.api.Assertions.assertThat(Assertions.java:975)35at org.assertj.core.api.Assertions.assertThat(Assertions.java:971)36at org.assertj.core.api.Assertions.assertThat(Assertions.java:967)

isNull

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.*;3public class Test1 {4    public void test1() {5        String s = null;6        assertThat(s).isNull();7    }8}9   at org.junit.Assert.assertEquals(Assert.java:115)10   at org.junit.Assert.assertEquals(Assert.java:144)11   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:61)12   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:26)13   at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:78)14   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:42)15   at org.assertj.core.api.Assertions$AbstractObjectAssert.isEqualTo(Assertions.java:367)16   at org.assertj.core.api.Assertions.assertThat(Assertions.java:106)17   at Test1.test1(Test1.java:9)18import org.junit.Test;19import static org.assertj.core.api.Assertions.*;20public class Test1 {21    public void test1() {22        String s = null;23        assertThat(s).isEqualTo(null);24    }25}26   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:65)27   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:26)28   at org.assertj.core.api.AbstractObjectAssert.isEqualTo(AbstractObjectAssert.java:78)29   at org.assertj.core.api.AbstractAssert.isEqualTo(AbstractAssert.java:42)30   at org.assertj.core.api.Assertions$AbstractObjectAssert.isEqualTo(Assertions.java:367)31   at org.assertj.core.api.Assertions.assertThat(Assertions.java:106)32   at Test1.test1(Test1.java:9

isNull

Using AI Code Generation

1public class AssertJExample {2	public static void main(String[] args) {3		String str = null;4		String str2 = "Hello";5		Assertions.assertThat(str).isNull();6		Assertions.assertThat(str2).isNotNull();7	}8}9public class AssertJExample {10	public static void main(String[] args) {11		String str = null;12		String str2 = "Hello";13		Assertions.assertThat(str).isNull();14		Assertions.assertThat(str2).isNotNull();15	}16}17public class AssertJExample {18	public static void main(String[] args) {19		String str = null;20		String str2 = "Hello";21		Assertions.assertThat(str).isNull();22		Assertions.assertThat(str2).isNotNull();23	}24}25public class AssertJExample {26	public static void main(String[] args) {27		String str = null;28		String str2 = "Hello";29		Assertions.assertThat(str).isNull();

isNull

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class AssertJAssertNullExample {3    public static void main(String[] args) {4        String str = null;5        AbstractAssert<?, ?> assertion = new AbstractAssert<AssertJAssertNullExample, String>(str, AssertJAssertNullExample.class) {6            protected void isNull() {7                if (actual != null) {8                    throw new AssertionError("Expected null but was: " + actual);9                }10            }11        };12        assertion.isNull();13    }14}

isNull

Using AI Code Generation

1import org.junit.Assert;2import org.junit.Test;3import org.assertj.core.api.AbstractAssert;4public class Test1 {5	public void test1() {6		String str = null;7		AbstractAssert<String> abs = new AbstractAssert<String>(str, Test1.class) {8			protected void isNull() {9				Assert.assertNull(actual);10			}11		};12		abs.isNull();13	}14}

isNull

Using AI Code Generation

1import org.assertj.core.api.AbstractAssert;2public class AssertJExample {3    public static void main(String[] args) {4        String str = null;5        AbstractAssert.isNull(str);6    }7}

isNull

Using AI Code Generation

1package com.ack.util;2import static org.assertj.core.api.Assertions.assertThat;3public class AssertJIsNullMethod {4  public static void main( String[] args ) {5    String str = "test";6    assertThat( str ).isNotNull();7    str = null;8    assertThat( str ).isNull();9  }10}11	at org.junit.Assert.assertEquals(Assert.java:115)12	at org.junit.Assert.assertEquals(Assert.java:144)13	at com.ack.util.AssertJIsNullMethod.main(AssertJIsNullMethod.java:11)

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