Migrate from JUnit 4 to 5

core/pom.xml

@@ -46,8 +46,8 @@
 			<artifactId>commons-lang3</artifactId>
 		</dependency>
 		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter</artifactId>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>

core/src/main/java/it/cavallium/warppi/math/rules/dsl/DslAggregateException.java

@@ -29,18 +29,4 @@ public class DslAggregateException extends Exception {
 	public List<DslError> getErrors() {
 		return errors;
 	}
-
-	@Override
-	public boolean equals(final Object o) {
-		if (!(o instanceof DslAggregateException)) {
-			return false;
-		}
-		final DslAggregateException other = (DslAggregateException) o;
-		return this.errors.equals(other.errors);
-	}
-
-	@Override
-	public int hashCode() {
-		return Objects.hash(errors);
-	}
 }

core/src/test/java/it/cavallium/warppi/AppTest.java

@@ -1,35 +0,0 @@
-package it.cavallium.warppi;
-
-import junit.framework.Assert;
-import junit.framework.Test;
-import junit.framework.TestCase;
-import junit.framework.TestSuite;
-
-/**
- * Unit test for simple App.
- */
-public class AppTest extends TestCase {
-	/**
-	 * Create the test case
-	 *
-	 * @param testName
-	 *            name of the test case
-	 */
-	public AppTest(final String testName) {
-		super(testName);
-	}
-
-	/**
-	 * @return the suite of tests being tested
-	 */
-	public static Test suite() {
-		return new TestSuite(AppTest.class);
-	}
-
-	/**
-	 * Rigourous Test :-)
-	 */
-	public void testApp() {
-		Assert.assertTrue(true);
-	}
-}

core/src/test/java/it/cavallium/warppi/math/rules/dsl/PatternRuleTest.java

@@ -10,13 +10,13 @@ import it.cavallium.warppi.math.rules.RuleType;
 import it.cavallium.warppi.math.rules.dsl.patterns.*;
 import it.cavallium.warppi.util.Error;
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.math.BigDecimal;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
-public class PatternRuleTest {
+class PatternRuleTest {
 	private final MathContext mathContext = new MathContext();
 
 	private final Pattern x = new SubFunctionPattern("x");
@@ -26,7 +26,7 @@ public class PatternRuleTest {
 	);
 
 	@Test
-	public void testNonMatching() throws InterruptedException, Error {
+	void testNonMatching() throws InterruptedException, Error {
 		final Function func = new Sum(
 				mathContext,
 				new Number(mathContext, 1),
@@ -38,7 +38,7 @@ public class PatternRuleTest {
 	}
 
 	@Test
-	public void testMatching() throws InterruptedException, Error {
+	void testMatching() throws InterruptedException, Error {
 		final Function func = new Sum(
 				mathContext,
 				new Number(mathContext, 1),
@@ -57,7 +57,7 @@ public class PatternRuleTest {
 	}
 
 	@Test
-	public void testMatchingRecursive() throws InterruptedException, Error {
+	void testMatchingRecursive() throws InterruptedException, Error {
 		final Function func = new Sum(
 				mathContext,
 				new Number(mathContext, 3),
@@ -85,13 +85,14 @@ public class PatternRuleTest {
 	}
 
 	@Test
-	public void testMultipleReplacements() throws InterruptedException, Error {
+	void testMultipleReplacements() throws InterruptedException, Error {
 		final Number one = new Number(mathContext, 1);
 		final Number two = new Number(mathContext, 2);
 		final Function func = new SumSubtraction(mathContext, one, two);
 
 		final Pattern x = new SubFunctionPattern("x");
 		final Pattern y = new SubFunctionPattern("y");
+		@SuppressWarnings("SuspiciousNameCombination")
 		final PatternRule rule = new PatternRule(
 				"TestRule",
 				RuleType.EXPANSION,
@@ -108,7 +109,7 @@ public class PatternRuleTest {
 	}
 
 	@Test
-	public void testNoReplacements() throws InterruptedException, Error {
+	void testNoReplacements() throws InterruptedException, Error {
 		final Function func = new Sum(
 				mathContext,
 				new Number(mathContext, 1),

core/src/test/java/it/cavallium/warppi/math/rules/dsl/PatternTest.java

@@ -10,18 +10,18 @@ import it.cavallium.warppi.math.functions.equations.EquationsSystem;
 import it.cavallium.warppi.math.functions.trigonometry.*;
 import it.cavallium.warppi.math.rules.dsl.patterns.*;
 import org.apache.commons.lang3.tuple.ImmutablePair;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.math.BigDecimal;
 import java.util.*;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
-public class PatternTest {
+class PatternTest {
 	private final MathContext mathContext = new MathContext();
 
 	@Test
-	public void subFunctionPattern() {
+	void subFunctionPattern() {
 		final Pattern pattern = new SubFunctionPattern("x");
 
 		final Function func = new Sum(
@@ -36,16 +36,19 @@ public class PatternTest {
 		assertEquals(func, pattern.replace(mathContext, subFunctions.get()));
 	}
 
-	@Test(expected = UndefinedSubFunctionException.class) // TODO assert exception.getSubFunctionName().equals("x")
-	public void undefinedSubFunction() {
+	@Test
+	void undefinedSubFunction() {
 		final Pattern pattern = new SubFunctionPattern("x");
 		final Map<String, Function> subFunctions = Collections.singletonMap("y", new Number(mathContext, 1));
 
-		pattern.replace(mathContext, subFunctions);
+		final var exception = assertThrows(UndefinedSubFunctionException.class, () ->
+			pattern.replace(mathContext, subFunctions)
+		);
+		assertEquals("x", exception.getSubFunctionName());
 	}
 
 	@Test
-	public void sumPattern() {
+	void sumPattern() {
 		final Pattern pattern = new SumPattern(
 				new SubFunctionPattern("x"),
 				new SubFunctionPattern("y")
@@ -69,7 +72,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void repeatedSubFunction() {
+	void repeatedSubFunction() {
 		final Pattern pattern = new SumPattern(
 				new SubFunctionPattern("x"),
 				new SubFunctionPattern("x")
@@ -93,7 +96,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void numberPattern() {
+	void numberPattern() {
 		final Pattern pattern = new NumberPattern(BigDecimal.valueOf(Math.PI));
 
 		final Function shouldNotMatch = new Number(mathContext, 2);
@@ -106,7 +109,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void negativePattern() {
+	void negativePattern() {
 		final Pattern pattern = new NegativePattern(
 				new SubFunctionPattern("x")
 		);
@@ -124,7 +127,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void negativePatternForNumber() {
+	void negativePatternForNumber() {
 		final Pattern pattern = new NegativePattern(
 				new NumberPattern(new BigDecimal(1))
 		);
@@ -139,7 +142,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void undefinedPattern() {
+	void undefinedPattern() {
 		final Pattern pattern = new UndefinedPattern();
 
 		final Function shouldNotMatch = new Number(mathContext, 0);
@@ -152,7 +155,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void equationsSystemPattern() {
+	void equationsSystemPattern() {
 		final Pattern pattern = new EquationsSystemPattern(new Pattern[]{
 				new SubFunctionPattern("x"),
 				new SubFunctionPattern("y"),
@@ -182,7 +185,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void rootPatternForRootSquare() {
+	void rootPatternForRootSquare() {
 		final Pattern pattern = new RootPattern(
 				new SubFunctionPattern("x"),
 				new SubFunctionPattern("y")
@@ -210,7 +213,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void constantPattern() {
+	void constantPattern() {
 		final Pattern pattern = new ConstantPattern(MathematicalSymbols.PI);
 
 		final Function shouldNotMatch = new Variable(
@@ -231,7 +234,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void otherBinaryPatterns() {
+	void otherBinaryPatterns() {
 		final Number one = new Number(mathContext, 1);
 		final Number two = new Number(mathContext, 2);
 		final SubFunctionPattern x = new SubFunctionPattern("x");
@@ -239,6 +242,7 @@ public class PatternTest {
 
 		final Function shouldNotMatch = new Sum(mathContext, one, two);
 
+		@SuppressWarnings("SuspiciousNameCombination")
 		final List<ImmutablePair<Pattern, Function>> patternsAndMatchingFunctions = Arrays.asList(
 				new ImmutablePair<>(
 						new DivisionPattern(x, y),
@@ -278,7 +282,7 @@ public class PatternTest {
 	}
 
 	@Test
-	public void otherUnaryPatterns() {
+	void otherUnaryPatterns() {
 		final Number one = new Number(mathContext, 1);
 		final SubFunctionPattern x = new SubFunctionPattern("x");
 

core/src/test/java/it/cavallium/warppi/math/rules/dsl/RulesDslTest.java

@@ -10,23 +10,18 @@ import it.cavallium.warppi.math.rules.dsl.patterns.NegativePattern;
 import it.cavallium.warppi.math.rules.dsl.patterns.NumberPattern;
 import it.cavallium.warppi.math.rules.dsl.patterns.SubFunctionPattern;
 import it.cavallium.warppi.math.rules.dsl.patterns.SumPattern;
-import org.junit.Test;
-import org.junit.rules.ExpectedException;
+import org.junit.jupiter.api.Test;
 
 import java.math.BigDecimal;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-import static org.hamcrest.CoreMatchers.equalTo;
-import static org.junit.Assert.*;
-
-public class RulesDslTest {
-	@org.junit.Rule
-	public ExpectedException thrown = ExpectedException.none();
+import static org.junit.jupiter.api.Assertions.*;
 
+class RulesDslTest {
 	@Test
-	public void validRules() throws DslAggregateException {
+	void validRules() throws DslAggregateException {
 		final List<Rule> rules = RulesDsl.makeRules(
 				"reduction test1: x -> x\n" +
 				"expansion test2:\n" +
@@ -63,38 +58,35 @@ public class RulesDslTest {
 	}
 
 	@Test
-	public void lexerError() throws DslAggregateException {
-		thrown.expect(DslAggregateException.class);
-		thrown.expect(equalTo(
-				new DslAggregateException(Collections.singletonList(
+	void lexerError() {
+		final var exception = assertThrows(DslAggregateException.class, () ->
+			RulesDsl.makeRules("reduction test: 2. 5 -> 1")
+		);
+		final var expectedErrors = Collections.singletonList(
 			new IncompleteNumberLiteral(16, "2.")
-				))
-		));
-
-		RulesDsl.makeRules("reduction test: 2. 5 -> 1");
+		);
+		assertEquals(expectedErrors, exception.getErrors());
 	}
 
 	@Test
-	public void parserError() throws DslAggregateException {
-		thrown.expect(DslAggregateException.class);
-		thrown.expect(equalTo(
-				new DslAggregateException(Collections.singletonList(
+	void parserError() {
+		final var exception = assertThrows(DslAggregateException.class, () ->
+			RulesDsl.makeRules("existence test: x + y ->")
+		);
+		final var expectedErrors = Collections.singletonList(
 			new UnexpectedToken(new Token(TokenType.EOF, "", 24))
-				))
-		));
-
-		RulesDsl.makeRules("existence test: x + y ->");
+		);
+		assertEquals(expectedErrors, exception.getErrors());
 	}
 
 	@Test
-	public void undefinedSubFunction() throws DslAggregateException {
-		thrown.expect(DslAggregateException.class);
-		thrown.expect(equalTo(
-				new DslAggregateException(Collections.singletonList(
+	void undefinedSubFunction() {
+		final var exception = assertThrows(DslAggregateException.class, () ->
+			RulesDsl.makeRules("expansion test: x -> x + y")
+		);
+		final var expectedErrors = Collections.singletonList(
 			new UndefinedSubFunction(new Token(TokenType.IDENTIFIER, "y", 25))
-				))
-		));
-
-		RulesDsl.makeRules("expansion test: x -> x + y");
+		);
+		assertEquals(expectedErrors, exception.getErrors());
 	}
 }

core/src/test/java/it/cavallium/warppi/math/rules/dsl/errorutils/LineMapTest.java

@@ -1,16 +1,16 @@
 package it.cavallium.warppi.math.rules.dsl.errorutils;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
-public class LineMapTest {
+class LineMapTest {
 	@Test
-	public void emptyText() {
+	void emptyText() {
 		String text = "";
 		LineMap map = new LineMap(text);
 
@@ -18,7 +18,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void noLineSeparators() {
+	void noLineSeparators() {
 		String text = "single line";
 		LineMap map = new LineMap(text);
 
@@ -29,7 +29,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void trailingLf() {
+	void trailingLf() {
 		String text = "single line\n";
 		LineMap map = new LineMap(text);
 
@@ -40,7 +40,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void trailingCr() {
+	void trailingCr() {
 		String text = "single line\r";
 		LineMap map = new LineMap(text);
 
@@ -51,7 +51,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void trailingCrLf() {
+	void trailingCrLf() {
 		String text = "single line\r\n";
 		LineMap map = new LineMap(text);
 
@@ -62,7 +62,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void multipleNonEmptyLines() {
+	void multipleNonEmptyLines() {
 		String text = "line 1\nline 2\rline 3\r\nline 4";
 		LineMap map = new LineMap(text);
 
@@ -76,7 +76,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void singleEmptyLine() {
+	void singleEmptyLine() {
 		String text = "\n";
 		LineMap map = new LineMap(text);
 
@@ -87,7 +87,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void multipleEmptyLines() {
+	void multipleEmptyLines() {
 		String text = "\r\n\n\r";
 		LineMap map = new LineMap(text);
 
@@ -100,7 +100,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void mixedEmptyAndNonEmptyLines() {
+	void mixedEmptyAndNonEmptyLines() {
 		String text = "line 1\nline 2\r\r\nline 4\n\n";
 		LineMap map = new LineMap(text);
 
@@ -115,7 +115,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void emptySubstrings() {
+	void emptySubstrings() {
 		String text = "single line\n";
 		LineMap map = new LineMap(text);
 
@@ -128,7 +128,7 @@ public class LineMapTest {
 	}
 
 	@Test
-	public void substringIsJustLineSeparator() {
+	void substringIsJustLineSeparator() {
 		String separator = "\n";
 		String text = "line 1" + separator + "line 2";
 		LineMap map = new LineMap(text);

core/src/test/java/it/cavallium/warppi/math/rules/dsl/frontend/LexerTest.java

@@ -1,8 +1,8 @@
 package it.cavallium.warppi.math.rules.dsl.frontend;
 
 import it.cavallium.warppi.math.rules.dsl.DslError;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -10,18 +10,18 @@ import java.util.Collections;
 import java.util.List;
 
 import static it.cavallium.warppi.math.rules.dsl.frontend.TokenType.*;
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
-public class LexerTest {
+class LexerTest {
 	private final List<DslError> errors = new ArrayList<>();
 
-	@Before
-	public void setUp() {
+	@BeforeEach
+	void setUp() {
 		errors.clear();
 	}
 
 	@Test
-	public void emptyInput() {
+	void emptyInput() {
 		final Lexer lexer = new Lexer("", errors::add);
 		final List<Token> expected = Collections.singletonList(
 			new Token(EOF, "", 0)
@@ -30,7 +30,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void validRule() {
+	void validRule() {
 		final Lexer lexer = new Lexer(
 				"reduction TestRule_123:\n" +
 				"  x + y * z = -(a_123 +- 3 / 2.2) -> [\n" +
@@ -85,7 +85,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void incompleteNumberOtherChar() {
+	void incompleteNumberOtherChar() {
 		final Lexer lexer = new Lexer("2. 5 + 3", errors::add);
 
 		final List<Token> expectedTokens = Arrays.asList(
@@ -103,7 +103,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void incompleteNumberEof() {
+	void incompleteNumberEof() {
 		final Lexer lexer = new Lexer("2.", errors::add);
 
 		final List<Token> expectedTokens = Collections.singletonList(
@@ -118,7 +118,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void unexpectedCharacters() {
+	void unexpectedCharacters() {
 		final Lexer lexer = new Lexer("reduction @| .: {}", errors::add);
 
 		final List<Token> expectedTokens = Arrays.asList(
@@ -137,7 +137,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void unterminatedComment() {
+	void unterminatedComment() {
 		final Lexer lexer = new Lexer("reduction /* test:\n x -> x", errors::add);
 
 		final List<Token> expectedTokens = Arrays.asList(
@@ -153,7 +153,7 @@ public class LexerTest {
 	}
 
 	@Test
-	public void errorOrder() {
+	void errorOrder() {
 		final Lexer lexer = new Lexer(".2. @", errors::add);
 
 		final List<Token> expectedTokens = Collections.singletonList(

core/src/test/java/it/cavallium/warppi/math/rules/dsl/frontend/ParserTest.java

@@ -7,8 +7,8 @@ import it.cavallium.warppi.math.rules.dsl.Pattern;
 import it.cavallium.warppi.math.rules.dsl.PatternRule;
 import it.cavallium.warppi.math.rules.dsl.patterns.*;
 import org.apache.commons.lang3.ObjectUtils;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 import java.math.BigDecimal;
 import java.util.ArrayList;
@@ -19,18 +19,18 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import static it.cavallium.warppi.math.rules.dsl.frontend.TokenType.*;
-import static org.junit.Assert.*;
+import static org.junit.jupiter.api.Assertions.*;
 
-public class ParserTest {
+class ParserTest {
 	private final List<DslError> errors = new ArrayList<>();
 
-	@Before
-	public void setUp() {
+	@BeforeEach
+	void setUp() {
 		errors.clear();
 	}
 
 	@Test
-	public void noRules() {
+	void noRules() {
 		final List<Token> tokens = Collections.singletonList(
 				new Token(EOF, "", 0)
 		);
@@ -39,7 +39,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void validRuleMultipleReplacements() {
+	void validRuleMultipleReplacements() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "TestRule_123", 10),
@@ -127,7 +127,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void validRuleNoReplacements() {
+	void validRuleNoReplacements() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -154,7 +154,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void validRuleOneReplacement() {
+	void validRuleOneReplacement() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -188,7 +188,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void validRuleOneReplacementBrackets() {
+	void validRuleOneReplacementBrackets() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -232,7 +232,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void multipleValidRules() {
+	void multipleValidRules() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test1", 0),
@@ -291,7 +291,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void subFunctionIdentifiers() {
+	void subFunctionIdentifiers() {
 		final List<ReferenceEqualityToken> rule0x = new ArrayList<>();
 		final List<ReferenceEqualityToken> rule1x = new ArrayList<>();
 		final List<ReferenceEqualityToken> rule1y = new ArrayList<>();
@@ -400,8 +400,8 @@ public class ParserTest {
 
 	// The EOF token is inserted by the lexer, therefore it can only be missing
 	// in case of programming errors, and not directly because of user input.
-	@Test(expected = RuntimeException.class)
-	public void missingEof() {
+	@Test
+	void missingEof() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -414,11 +414,11 @@ public class ParserTest {
 				new Token(RIGHT_BRACKET, "]", 0)
 		);
 		final Parser parser = new Parser(tokens, errors::add);
-		parser.parse();
+		assertThrows(RuntimeException.class, parser::parse);
 	}
 
 	@Test
-	public void incompleteRule() {
+	void incompleteRule() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -440,7 +440,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingRuleType() {
+	void missingRuleType() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(IDENTIFIER, "test", 0),
 				new Token(EOF, "", 0)
@@ -457,7 +457,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void unexpectedTokenPrimary() {
+	void unexpectedTokenPrimary() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -481,7 +481,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingRuleName() {
+	void missingRuleName() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(COLON, ":", 0),
@@ -499,7 +499,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingColon() {
+	void missingColon() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -520,7 +520,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingArrow() {
+	void missingArrow() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -541,7 +541,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingRightBracket() {
+	void missingRightBracket() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -564,7 +564,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingOneArgFunctionLeftParen() {
+	void missingOneArgFunctionLeftParen() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -589,7 +589,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingOneArgFunctionRightParen() {
+	void missingOneArgFunctionRightParen() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -614,7 +614,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingTwoArgFunctionLeftParen() {
+	void missingTwoArgFunctionLeftParen() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -641,7 +641,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingTwoArgFunctionComma() {
+	void missingTwoArgFunctionComma() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -668,7 +668,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingTwoArgFunctionRightParen() {
+	void missingTwoArgFunctionRightParen() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -695,7 +695,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void missingExpressionRightParen() {
+	void missingExpressionRightParen() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(EXISTENCE, "existence", 0),
 				new Token(IDENTIFIER, "test", 0),
@@ -719,7 +719,7 @@ public class ParserTest {
 	}
 
 	@Test
-	public void recoveryToNextRule() {
+	void recoveryToNextRule() {
 		final List<Token> tokens = Arrays.asList(
 				new Token(REDUCTION, "reduction", 0),
 				new Token(IDENTIFIER, "test1", 0),

pom.xml

@@ -92,9 +92,9 @@
 	<dependencyManagement>
 		<dependencies>
 			<dependency>
-				<groupId>junit</groupId>
-				<artifactId>junit</artifactId>
-				<version>4.12</version>
+				<groupId>org.junit.jupiter</groupId>
+				<artifactId>junit-jupiter</artifactId>
+				<version>5.5.1</version>
 				<scope>test</scope>
 			</dependency>
 			<dependency>