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

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

Source:Preconditions.java Github

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...41 * @throws IllegalArgumentException if the given {@code CharSequence} is empty.42 */43 public static CharSequence checkNotNullOrEmpty(CharSequence s, String message) {44 checkNotNull(s, message);45 if (s.length() == 0) throwExceptionForBeingEmpty(message);46 return s;47 }48 /**49 * Verifies that the given array is not {@code null} or empty.50 * 51 * @param array the given array.52 * @return the validated array.53 * @throws NullPointerException if the given array is {@code null}.54 * @throws IllegalArgumentException if the given array is empty.55 */56 public static <T> T[] checkNotNullOrEmpty(T[] array) {57 T[] checked = checkNotNull(array);58 if (checked.length == 0) throwExceptionForBeingEmpty();59 return checked;60 }61 /**62 * Verifies that the given object reference is not {@code null}.63 * 64 * @param reference the given object reference.65 * @return the non-{@code null} reference that was validated.66 * @throws NullPointerException if the given object reference is {@code null}.67 */68 public static <T> T checkNotNull(T reference) {69 if (reference == null) throw new NullPointerException();70 return reference;71 }72 /**73 * Verifies that the given object reference is not {@code null}.74 * 75 * @param reference the given object reference.76 * @param message error message in case of null reference.77 * @return the non-{@code null} reference that was validated.78 * @throws NullPointerException if the given object reference is {@code null}.79 */80 public static <T> T checkNotNull(T reference, String message) {81 if (reference == null) throw new NullPointerException(message);82 return reference;83 }84 /**85 * Verifies that the given FilterOperator reference is not {@code null}.86 * 87 * @param reference the given object reference.88 * @throws NullPointerException if the given object reference is {@code null}.89 */90 public static <T> void checkNotNull(FilterOperator<T> filterOperator) {91 // @format:off92 if (filterOperator == null) throw new IllegalArgumentException(format("The expected value should not be null.%n"93 + "If you were trying to filter on a null value, please use filteredOnNull(String propertyOrFieldName) instead"));94 // @format:on95 }96 private Preconditions() {}97 private static void throwExceptionForBeingEmpty() {98 throwExceptionForBeingEmpty(ARGUMENT_EMPTY);99 }100 private static void throwExceptionForBeingEmpty(String message) {101 throw new IllegalArgumentException(message);102 }103}...

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throwExceptionForBeingEmpty

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1String str = "";2Preconditions.throwExceptionForBeingEmpty(str);3String str = "Hello World";4Preconditions.throwExceptionForBeingEmpty(str);5Object obj = null;6Preconditions.throwExceptionForBeingNull(obj);7Object obj = new Object();8Preconditions.throwExceptionForBeingNull(obj);9boolean isFalse = false;10Preconditions.throwExceptionForBeingFalse(isFalse, "boolean expression is false");11boolean isFalse = true;12Preconditions.throwExceptionForBeingFalse(isFalse, "boolean expression is false");13boolean isTrue = true;14Preconditions.throwExceptionForBeingTrue(isTrue, "boolean expression is true");15boolean isTrue = false;16Preconditions.throwExceptionForBeingTrue(isTrue, "boolean expression is true");17boolean isTrue = true;18Preconditions.throwExceptionForBeingTrue(isTrue);19boolean isTrue = false;20Preconditions.throwExceptionForBeingTrue(isTrue);

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throwExceptionForBeingEmpty

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1 Preconditions.throwExceptionForBeingEmpty("string");2 Preconditions.throwExceptionForBeingEmpty("string", "message");3 Preconditions.throwExceptionForBeingEmpty("string", "message %s", "arg1");4 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s", "arg1", "arg2");5 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s", "arg1", "arg2", "arg3");6 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s", "arg1", "arg2", "arg3", "arg4");7 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5");8 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5", "arg6");9 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5", "arg6", "arg7");10 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5", "arg6", "arg7", "arg8");11 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5", "arg6", "arg7", "arg8", "arg9");12 Preconditions.throwExceptionForBeingEmpty("string", "message %s %s %s %s %s %s %s %s %s %s", "arg1", "arg2", "arg3", "arg4", "arg5", "arg6", "arg7", "arg8", "arg9

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throwExceptionForBeingEmpty

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1assertThatThrownBy(() -> Preconditions.throwExceptionForBeingEmpty("")).isInstanceOf(IllegalArgumentException.class);2assertThatThrownBy(() -> Preconditions.throwExceptionForBeingEmpty("")).isInstanceOf(IllegalArgumentException.class);3org.assertj.core.util.PreconditionsTest > should_throw_exception_for_being_empty() FAILED4 at org.assertj.core.api.AssertionsForClassTypes.assertThatThrownBy(AssertionsForClassTypes.java:1035)5 at org.assertj.core.api.Assertions.assertThatThrownBy(Assertions.java:1346)6 at org.assertj.core.util.PreconditionsTest.should_throw_exception_for_being_empty(PreconditionsTest.java:12)

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throwExceptionForBeingEmpty

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1import org.assertj.core.util.Preconditions;2import org.junit.Test;3public class ThrowExceptionForBeingEmptyTest {4 public void testThrowExceptionForBeingEmpty() {5 String string = "This is a string";6 Preconditions.throwExceptionForBeingEmpty(string);7 }8}9 at org.junit.Assert.assertEquals(Assert.java:115)10 at org.junit.Assert.assertEquals(Assert.java:144)11 at ThrowExceptionForBeingEmptyTest.testThrowExceptionForBeingEmpty(ThrowExceptionForBeingEmptyTest.java:12)

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throwExceptionForBeingEmpty

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1 import org.assertj.core.util.Preconditions;2 public class Test {3 public void test() {4 Preconditions.throwExceptionForBeingEmpty(null);5 }6 }7 Preconditions.throwExceptionForBeingEmpty(null);8 import org.assertj.core.util.Preconditions;9 public class Test {10 public void test() {11 Preconditions.throwExceptionForBeingEmpty("test");12 }13 }14 Preconditions.throwExceptionForBeingEmpty("test");15 import org.assertj.core.util.Preconditions;16 public class Test {17 public void test() {18 Preconditions.throwExceptionForBeingNull(null);19 }20 }21 Preconditions.throwExceptionForBeingNull(null);22 import org.assertj.core.util.Preconditions;23 public class Test {24 public void test() {25 Preconditions.throwExceptionForBeingNull("test");26 }27 }

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throwExceptionForBeingEmpty

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1Preconditions.throwExceptionForBeingEmpty("some string");2Preconditions.throwExceptionForBeingEmpty("some string", "error message");3Preconditions.checkNotNull("some object");4Preconditions.checkNotNull("some object", "error message");5Preconditions.checkNotNullOrEmpty("some string");6Preconditions.checkNotNullOrEmpty("some string", "error message");7Preconditions.checkArgument(1==1);8Preconditions.checkArgument(1==1, "error message");9Preconditions.checkState(1==1);10Preconditions.checkState(1==1, "error message");11Preconditions.checkIndex(1, 10);12Preconditions.checkIndex(1, 10, "error message");13Preconditions.checkPositionIndexes(1, 3, 10);14Preconditions.checkPositionIndexes(1, 3, 10, "error message");15Preconditions.checkPositionIndex(1, 10);16Preconditions.checkPositionIndex(1, 10,

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