Migrate tests to JUnit 5

Author: JooHyukKim

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DataBindReadTest.java

@@ -16,7 +16,7 @@
 
 import java.io.*;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.ObjectMapper;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DataBindRoundtripTest.java

@@ -27,7 +27,7 @@
 import java.util.Collections;
 import java.util.List;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DataBindWriteTest.java

@@ -26,8 +26,8 @@
 import com.amazon.ion.system.IonSystemBuilder;
 import com.amazon.ion.system.IonTextWriterBuilder;
 import com.amazon.ion.system.IonWriterBuilder;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -47,7 +47,7 @@ static class MyBean {
     IonSystem ion = IonSystemBuilder.standard().build();
     IonDatagram expectedMyBean;
 
-    @Before
+    @BeforeEach
     public void initializeExpectedMyBean() {
         expectedMyBean = ion.newDatagram();
         IonStruct struct = ion.newEmptyStruct();
@@ -61,7 +61,7 @@ public void initializeExpectedMyBean() {
 
     IonDatagram expectedArray;
 
-    @Before
+    @BeforeEach
     public void initializeExpectedArray() {
         expectedArray = ion.newDatagram();
         IonList list = ion.newEmptyList();

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DatabindNumberRoundtrip490Test.java

@@ -1,7 +1,7 @@
 package com.fasterxml.jackson.dataformat.ion;
 
 import java.util.*;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/DatabindRead303Test.java

@@ -2,7 +2,7 @@
 
 import java.net.URL;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.core.exc.StreamReadException;
 

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/EnumAsIonSymbolSerializationTest.java

@@ -14,8 +14,8 @@
 
 package com.fasterxml.jackson.dataformat.ion;
 
-import org.junit.Assert;
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.*;
+import org.junit.jupiter.api.Test;
 import com.amazon.ion.IonSystem;
 import com.amazon.ion.IonValue;
 import com.amazon.ion.system.IonSystemBuilder;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/GenerateSexpTest.java

@@ -18,9 +18,8 @@
 import java.io.IOException;
 import java.util.Arrays;
 
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import com.amazon.ion.IonSystem;
 import com.amazon.ion.IonWriter;
@@ -38,7 +37,7 @@ public class GenerateSexpTest {
     private IonSystem ionSystem;
     private IonObjectMapper mapper;
 
-    @Before
+    @BeforeEach
     public void setup() {
         this.ionSystem = IonSystemBuilder.standard().build();
         this.mapper = IonObjectMapper.builder(ionSystem).build();

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonFactoryTest.java

@@ -2,7 +2,7 @@
 
 import com.amazon.ion.IonReader;
 import com.fasterxml.jackson.core.JsonParser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.io.ByteArrayInputStream;
 import java.io.StringReader;

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonGeneratorTest.java

@@ -14,8 +14,8 @@
 
 package com.fasterxml.jackson.dataformat.ion;
 
-import org.junit.Test;
-import org.junit.Before;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.BeforeEach;
 import com.fasterxml.jackson.core.JsonGenerationException;
 import com.fasterxml.jackson.databind.JsonNode;
 
@@ -59,7 +59,7 @@ public class IonGeneratorTest {
     private IonValue testObjectIon;
     private JsonNode testObjectTree;
 
-    @Before
+    @BeforeEach
     public void setUp() throws Exception {
         final IonFactory factory = new IonFactory();
 

ion/src/test/java/com/fasterxml/jackson/dataformat/ion/IonNumberOverflowTest.java

@@ -1,7 +1,7 @@
 package com.fasterxml.jackson.dataformat.ion;
 
 import org.hamcrest.Matchers;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import com.fasterxml.jackson.core.exc.InputCoercionException;