Adds initial module tests

equalsverifier-core/src/test/java/nl/jqno/equalsverifier/integration/operational/ModuleTest.java

@@ -0,0 +1,13 @@
+package nl.jqno.equalsverifier.integration.operational;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class ModuleTest {
+    @Test
+    void sanity() {
+        // We want the tests in this module to be run on the class path, not the module path.
+        assertThat(getClass().getModule().isNamed()).isFalse();
+    }
+}

equalsverifier-test-jpms/pom.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>nl.jqno.equalsverifier</groupId>
+        <artifactId>equalsverifier-parent</artifactId>
+        <version>3.18.2-SNAPSHOT</version>
+    </parent>
+    <packaging>jar</packaging>
+
+    <artifactId>equalsverifier-test-jpms</artifactId>
+    <name>EqualsVerifier | test JPMS</name>
+
+    <properties>
+        <maven.compiler.release>21</maven.compiler.release>
+    </properties>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <useModulePath>true</useModulePath>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>nl.jqno.equalsverifier</groupId>
+            <artifactId>equalsverifier-core</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>${version.junit-jupiter}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${version.assertj}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

equalsverifier-test-jpms/src/test/java/it/EverythingWorksInTheModularWorldTest.java

@@ -0,0 +1,34 @@
+package it;
+
+import java.util.Objects;
+
+import nl.jqno.equalsverifier.EqualsVerifier;
+import org.junit.jupiter.api.Test;
+
+public class EverythingWorksInTheModularWorldTest {
+
+    @Test
+    void classCanBeVerified() {
+        EqualsVerifier.forClass(ClassPoint.class).verify();
+    }
+
+    final class ClassPoint {
+        private final int x;
+        private final int y;
+
+        private ClassPoint(int x, int y) {
+            this.x = x;
+            this.y = y;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            return obj instanceof ClassPoint other && x == other.x && y == other.y;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(x, y);
+        }
+    }
+}

equalsverifier-test-jpms/src/test/java/it/SanityTest.java

@@ -0,0 +1,14 @@
+package it;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+public class SanityTest {
+    @Test
+    void sanity() {
+        assertThat(getClass().getModule())
+                .extracting(Module::isNamed, Module::getName)
+                .containsExactly(true, "equalsverifier_jpms_test");
+    }
+}

equalsverifier-test-jpms/src/test/java/module-info.java

@@ -0,0 +1,6 @@
+open module equalsverifier_jpms_test {
+    requires nl.jqno.equalsverifier;
+
+    requires org.junit.jupiter.api;
+    requires org.assertj.core;
+}

pom.xml

@@ -568,6 +568,7 @@
                 <module>equalsverifier-16</module>
                 <module>equalsverifier-17</module>
                 <module>equalsverifier-21</module>
+                <module>equalsverifier-test-jpms</module>
                 <module>equalsverifier-test-kotlin</module>
                 <module>equalsverifier-aggregator</module>
                 <module>equalsverifier-release-main</module>