How to use shouldBeExactlyInstance method of org.assertj.core.error.ShouldBeExactlyInstanceOf class

Best Assertj code snippet using org.assertj.core.error.ShouldBeExactlyInstanceOf.shouldBeExactlyInstance

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...12 */​13package org.assertj.core.error;14import static java.lang.String.format;15import static org.assertj.core.api.BDDAssertions.then;16import static org.assertj.core.error.ShouldBeExactlyInstanceOf.shouldBeExactlyInstance;17import static org.assertj.core.presentation.StandardRepresentation.STANDARD_REPRESENTATION;18import java.io.File;19import org.assertj.core.description.Description;20import org.assertj.core.internal.TestDescription;21import org.assertj.core.presentation.StandardRepresentation;22import org.junit.jupiter.api.Test;23/​**24 * Tests for <code>{@link ShouldBeExactlyInstanceOf#create(Description, org.assertj.core.presentation.Representation)}</​code>.25 *26 * @author Nicolas François27 */​28class ShouldBeExactlyInstance_create_Test {29 @Test30 void should_create_error_message() {31 /​/​ GIVEN32 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda%s", File.class);33 /​/​ WHEN34 String message = factory.create(new TestDescription("Test"), new StandardRepresentation());35 /​/​ THEN36 then(message).isEqualTo(format("[Test] %n" +37 "Expecting actual:%n" +38 " \"Yoda%%s\"%n" +39 "to be exactly an instance of:%n" +40 " java.io.File%n" +41 "but was an instance of:%n" +42 " java.lang.String"));43 }44 @Test45 void should_create_error_message_with_stack_trace_for_throwable() {46 /​/​ GIVEN47 IllegalArgumentException actual = new IllegalArgumentException("Not a Nullpointer%s");48 /​/​ WHEN49 String message = shouldBeExactlyInstance(actual, NullPointerException.class).create();50 /​/​ THEN51 then(message).isEqualTo(format("%nExpecting actual throwable to be exactly an instance of:%n" +52 " java.lang.NullPointerException%n" +53 "but was:%n" +54 " %s",55 STANDARD_REPRESENTATION.toStringOf(actual)));56 }57}...

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shouldBeExactlyInstance

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1public class ShouldBeExactlyInstanceOf_create_Test {2 public void should_create_error_message() {3 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda", Jedi.class);4 String message = factory.create(new TextDescription("Test"), new StandardRepresentation());5 assertThat(message).isEqualTo(String.format("[Test] %n" +6 " <java.lang.String>"));7 }8}9public class ShouldBeExactlyInstanceOf_create_Test {10 public void should_create_error_message() {11 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda", Jedi.class);12 String message = factory.create(new TextDescription("Test"), new StandardRepresentation());13 assertThat(message).isEqualTo(String.format("[Test] %n" +14 " <java.lang.String>"));15 }16}

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shouldBeExactlyInstance

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1public class ShouldBeExactlyInstanceOf_create_Test {2 public void should_create_error_message() {3 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda", Jedi.class);4 String message = factory.create(new TestDescription("Test"), new StandardRepresentation());5 then(message).isEqualTo(format("[Test] %n" +6 " <java.lang.String>"));7 }8}9public class ShouldBeExactlyInstanceOf_create_Test {10 public void should_create_error_message() {11 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda", Jedi.class);12 String message = factory.create(new TestDescription("Test"), new StandardRepresentation());13 then(message).isEqualTo(format("[Test] %n" +14 " <java.lang.String>"));15 }16}17public class ShouldBeExactlyInstanceOf_create_Test {18 public void should_create_error_message() {19 ErrorMessageFactory factory = shouldBeExactlyInstance("Yoda", Jedi.class);20 String message = factory.create(new TestDescription("Test"), new StandardRepresentation());21 then(message).isEqualTo(format("[Test] %n" +22 " <java.lang.String>"));23 }24}25public class ShouldBeExactlyInstanceOf_create_Test {

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