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How to use checkNull method of org.assertj.core.api.ConcreteAssert class

Best Assertj code snippet using org.assertj.core.api.ConcreteAssert.checkNull

Source:AbstractAssert_get_writable_info_Test.java

...21 */22public class AbstractAssert_get_writable_info_Test {23    @Test24    public void should_keep_specific_error_message_and_description_set_by_user() {25        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> new ConcreteAssert(6L).as("user description").checkNull()).withMessage("[user description] specific error message");26    }27}...

checkNull

Using AI Code Generation

1String str = null;2assertThat(str).checkNull();3String str = "Hello";4assertThat(str).checkNotNull();5String str = null;6assertThat(str).checkNull();7String str = "Hello";8assertThat(str).checkNotNull();

checkNull

Using AI Code Generation

1assertThat(null).checkNull();2assertThat("not null").checkNotNull();3assertThat(null).checkNull();4assertThat("not null").checkNotNull();5assertThat("not null").checkNotNull();6assertThat(null).checkNull();7assertThat("not null").checkNotNull();8assertThat("not null").checkNotNull();9assertThat(null).checkNull();10assertThat("not null").checkNotNull();11assertThat("not null").checkNotNull();12assertThat(null).checkNull();13assertThat("not null").checkNotNull();14assertThat("not null").checkNotNull();15assertThat(null).checkNull();16assertThat("not null").checkNotNull();17assertThat("not null").checkNotNull();

checkNull

Using AI Code Generation

1package org.example;2import org.assertj.core.api.AbstractAssert;3public class ConcreteAssert extends AbstractAssert<ConcreteAssert, Object> {4    public ConcreteAssert(Object actual) {5        super(actual, ConcreteAssert.class);6    }7    public static ConcreteAssert assertThat(Object actual) {8        return new ConcreteAssert(actual);9    }10    public ConcreteAssert checkNull() {11        if (actual != null) {12            failWithMessage("Expected object to be null, but it was not null");13        }14        return this;15    }16}17package org.example;18import org.junit.Test;19import static org.example.ConcreteAssert.assertThat;20public class ConcreteAssertTest {21    public void testCheckNull() {22        assertThat(null).checkNull();23    }24}

checkNull

Using AI Code Generation

1Object o = null;2assertThat(o).checkNull();3assertThat(o).checkNull();4Object o = new Object();5assertThat(o).checkNotNull();6assertThat(o).checkNotNull();7Object o1 = new Object();8Object o2 = new Object();9assertThat(o1).checkSameAs(o1);10assertThat(o1).checkSameAs(o1);11Object o1 = new Object();12Object o2 = new Object();13assertThat(o1).checkNotSameAs(o2);14assertThat(o1).checkNotSameAs(o2);15Object o = new Object();16assertThat(o).checkInstanceOf(Object.class);17assertThat(o).checkInstanceOf(Object.class);

checkNull

Using AI Code Generation

1assertThat(null).checkNull();2assertThat(null).checkNotNull();3A. SoftAssertions soft = new SoftAssertions();4B. SoftAssertions soft = new SoftAssertions();5C. SoftAssertions soft = new SoftAssertions();6D. SoftAssertions soft = new SoftAssertions();7A. SoftAssertions soft = new SoftAssertions();8B. SoftAssertions soft = new SoftAssertions();9C. SoftAssertions soft = new SoftAssertions();10D. SoftAssertions soft = new SoftAssertions();11SoftAssertions is a class in AssertJ that allows you to write assertions in a test and collect the errors. It is used to create a soft assertion. The SoftAssertions class is used to create a soft assertion. The SoftAssertions class has a method called assertAll() that is used to collect the errors

checkNull

Using AI Code Generation

1    [Test]: def "should throw exception when null"() {2        checkNull(null)3        thrown(NullPointerException)4    }5}6static void checkNull(Object actual) {7    new ConcreteAssert(actual).isNotNull()8}[/code]

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