<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>a</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023222756</lastUpdated>
  </versioning>

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <groupId>org.apache.maven.its</groupId>
  <artifactId>a</artifactId>
  <version>0.1</version>
  <versioning>
    <versions>
      <version>0.1</version>
    </versions>
    <lastUpdated>20091023222756</lastUpdated>
  </versioning>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-clean-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-deploy-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-xml</artifactId>
  <name>Maven 4 API :: XML</name>
  <description>Maven 4 API - Immutable XML.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-annotations</artifactId>

                return true;
            }

            if (obj instanceof CacheKey that) {
                return Objects.equals(this.artifactId, that.artifactId)
                        && Objects.equals(this.groupId, that.groupId)
                        && Objects.equals(this.version, that.version)
                        && Objects.equals(this.localRepo, that.localRepo)
                        && Objects.equals(this.workspace, that.workspace)

    @Override
    public Artifact createArtifact(String groupId, String artifactId, String version, String scope, String type) {
        return artifactFactory.createArtifact(groupId, artifactId, version, scope, type);
    }

    @Override
    public Artifact createArtifact(String groupId, String artifactId, String version, String packaging) {
        return artifactFactory.createBuildArtifact(groupId, artifactId, version, packaging);
    }

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven.validation</groupId>
    <artifactId>parent</artifactId>
    <version>1</version>
  </parent>

  <groupId>org.apache.maven.validation</groupId>
  <artifactId>project</artifactId>
  <version>1.0.0-SNAPSHOT</version>

  <repositories>
    <repository>
      <id>repo</id>

    }

    @Test
    void testMissingGroupId() throws Exception {
        SimpleProblemCollector result = validate("missing-groupId-pom.xml");

        assertViolations(result, 0, 1, 0);

        assertEquals("'groupId' is missing.", result.getErrors().get(0));
    }

    @Test
    void testInvalidCoordinateIds() throws Exception {