Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use checkNotNullOrEmpty method of org.assertj.core.util.Preconditions class

Best Assertj code snippet using org.assertj.core.util.Preconditions.checkNotNullOrEmpty

Source:Preconditions_checkNotNullOrEmpty_GenericArray_Test.java

...16import org.assertj.core.test.ExpectedException;17import org.junit.Rule;18import org.junit.Test;19/**20 * Tests for <code>{@link Preconditions#checkNotNullOrEmpty(Object[])}</code>.21 * 22 * @author Christian RÃ¶sch23 */24public class Preconditions_checkNotNullOrEmpty_GenericArray_Test {25  @Rule26  public ExpectedException thrown = none();27  @Test28  public void should_throw_IllegalArgumentException_if_array_is_empty() {29    thrown.expectIllegalArgumentException(Preconditions.ARGUMENT_EMPTY);30    String[] array = new String[0];31    Preconditions.checkNotNullOrEmpty(array);32  }33  @Test34  public void should_throw_NullPointerException_if_array_is_null() {35    thrown.expectNullPointerException();36    String[] array = null;37    Preconditions.checkNotNullOrEmpty(array);38  }39  @Test40  public void should_return_array_if_it_is_not_null_nor_empty() {41    String[] array = new String[] { "a" };42    String[] result = Preconditions.checkNotNullOrEmpty(array);43    assertThat(result).isEqualTo(array);44  }45}...

Source:Preconditions_checkNotNullOrEmpty_String_Test.java

...16import org.assertj.core.test.ExpectedException;17import org.junit.Rule;18import org.junit.Test;19/**20 * Tests for <code>{@link Preconditions#checkNotNullOrEmpty(String)}</code>.21 * 22 * @author Christian RÃ¶sch23 */24public class Preconditions_checkNotNullOrEmpty_String_Test {25  @Rule26  public ExpectedException thrown = none();27  @Test28  public void should_throw_IllegalArgumentException_if_string_is_empty() {29    thrown.expectIllegalArgumentException(Preconditions.ARGUMENT_EMPTY);30    String string = "";31    Preconditions.checkNotNullOrEmpty(string);32  }33  @Test34  public void should_throw_NullPointerException_if_string_is_null() {35    thrown.expectNullPointerException();36    String string = null;37    Preconditions.checkNotNullOrEmpty(string);38  }39  @Test40  public void should_return_string_if_it_is_not_null_nor_empty() {41    String string = "a";42    CharSequence result = Preconditions.checkNotNullOrEmpty(string);43    assertThat(result).isEqualTo(string);44  }45}...

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class 1 {3   public static void main(String[] args) {4      String s1 = null;5      String s2 = "";6      String s3 = "Hello";7      System.out.println(Preconditions.checkNotNullOrEmpty(s1, "s1 is null or empty"));8      System.out.println(Preconditions.checkNotNullOrEmpty(s2, "s2 is null or empty"));9      System.out.println(Preconditions.checkNotNullOrEmpty(s3, "s3 is null or empty"));10   }11}

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class PreconditionsExample {3    public static void main(String[] args) {4        String s = null;5        Preconditions.checkNotNullOrEmpty(s, "s cannot be null or empty");6    }7}8	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:60)9	at PreconditionsExample.main(PreconditionsExample.java:7)10import org.assertj.core.util.Preconditions;11public class PreconditionsExample {12    public static void main(String[] args) {13        String s = null;14        Preconditions.checkNotNullOrEmpty(s, "s cannot be null or empty");15    }16}17	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:60)18	at PreconditionsExample.main(PreconditionsExample.java:7)19import org.assertj.core.util.Preconditions;20public class PreconditionsExample {21    public static void main(String[] args) {22        String s = null;23        Preconditions.checkNotNullOrEmpty(s, "s cannot be null or empty");24    }25}26	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:60)27	at PreconditionsExample.main(PreconditionsExample.java:7)28import org.assertj.core.util.Preconditions;29public class PreconditionsExample {30    public static void main(String[] args) {31        String s = null;32        Preconditions.checkNotNullOrEmpty(s, "s cannot be null or empty");33    }34}

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class 1 {3    public static void main(String[] args){4        String str = " ";5        System.out.println(Preconditions.checkNotNullOrEmpty(str));6    }7}8	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:87)9	at 1.main(1.java:7)

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class Test {3   public static void main(String[] args) {4      String str = null;5      String str1 = "";6      String str2 = " ";7      String str3 = "Hello";8      System.out.println(Preconditions.checkNotNullOrEmpty(str, "str"));9      System.out.println(Preconditions.checkNotNullOrEmpty(str1, "str1"));10      System.out.println(Preconditions.checkNotNullOrEmpty(str2, "str2"));11      System.out.println(Preconditions.checkNotNullOrEmpty(str3, "str3"));12   }13}14	at org.apache.commons.lang3.Validate.notNull(Validate.java:225)15	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:19)16	at Test.main(Test.java:8)17	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:436)18	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:20)19	at Test.main(Test.java:9)20	at org.apache.commons.lang3.Validate.notEmpty(Validate.java:436)21	at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:20)22	at Test.main(Test.java:10)

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class 1 {3    public static void main(String[] args) {4        Preconditions.checkNotNullOrEmpty("Hello World", "my error message");5    }6}

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class AssertJPreconditions {3    public static void main(String[] args) {4        String str = null;5        String str1 = "";6        String str2 = "abc";7        System.out.println(Preconditions.checkNotNullOrEmpty(str, "str is null"));8        System.out.println(Preconditions.checkNotNullOrEmpty(str1, "str is empty"));9        System.out.println(Preconditions.checkNotNullOrEmpty(str2, "str is not null or empty"));10    }11}12    at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:75)13    at AssertJPreconditions.main(AssertJPreconditions.java:6)14    at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:79)15    at AssertJPreconditions.main(AssertJPreconditions.java:7)

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class AssertjPreconditions {3public static void main(String[] args) {4    String str = null;5    String str1 = "";6    String str2 = " ";7    String str3 = "abc";8    String str4 = "xyz";9    System.out.println(Preconditions.checkNotNullOrEmpty(str));10    System.out.println(Preconditions.checkNotNullOrEmpty(str1));11    System.out.println(Preconditions.checkNotNullOrEmpty(str2));12    System.out.println(Preconditions.checkNotNullOrEmpty(str3));13    System.out.println(Preconditions.checkNotNullOrEmpty(str4));14}15}16    at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:66)17    at AssertjPreconditions.main(AssertjPreconditions.java:11)18import org.assertj.core.util.Preconditions;19public class AssertjPreconditions {20public static void main(String[] args) {21    String str = null;22    String str1 = "";23    String str2 = " ";24    String str3 = "abc";25    String str4 = "xyz";26    System.out.println(Preconditions.checkNotNullOrEmpty(str, "str is null"));27    System.out.println(Preconditions.checkNotNullOrEmpty(str1, "str1 is empty"));28    System.out.println(Preconditions.checkNotNullOrEmpty(str2, "str2 is blank"));29    System.out.println(Preconditions.checkNotNullOrEmpty(str3, "str3 is valid"));30    System.out.println(Preconditions.checkNotNullOrEmpty(str4, "str4 is valid"));31}32}33    at org.assertj.core.util.Preconditions.checkNotNullOrEmpty(Preconditions.java:66)34    at AssertjPreconditions.main(AssertjPreconditions.java:11)

checkNotNullOrEmpty

Using AI Code Generation

1package com.example;2import org.assertj.core.util.Preconditions;3public class Example {4    public static void main(String[] args) {5        String s = "hello world";6        System.out.println(Preconditions.checkNotNullOrEmpty(s));7    }8}

checkNotNullOrEmpty

Using AI Code Generation

1import org.assertj.core.util.Preconditions;2public class Test {3    public static void main(String[] args) {4        String str = "Hello";5        String str1 = Preconditions.checkNotNullOrEmpty(str, "str should not be null or empty");6        System.out.println(str1);7    }8}

Automation Testing Tutorials

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.