void testValidateUniqueProfileId() throws Exception {
        Settings settings = new Settings();
        Profile profile1 = new Profile();
        profile1.setId("test");
        settings.addProfile(profile1);
        Profile profile2 = new Profile();
        profile2.setId("test");
        settings.addProfile(profile2);

        SimpleProblemCollector problems = new SimpleProblemCollector();

    @Override
    public Map<String, Profile> getProfilesById() {
        return profilesById;
    }

    /* (non-Javadoc)
     * @see org.apache.maven.profiles.ProfileManager#addProfile(org.apache.maven.model.Profile)
     */
    @Override
    public void addProfile(Profile profile) {
        String profileId = profile.getId();

        Profile existing = profilesById.get(profileId);
        if (existing != null) {

  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <profiles>
    <profile>
      <id>non-unique-id</id>
    </profile>
    <profile>
      <id>non-unique-id</id>
    </profile>
  </profiles>

    <packaging>pom</packaging>

    <profiles>
        <profile>
            <id>+invalid-id</id>
        </profile>
        <profile>
            <id>-invalid-id</id>
        </profile>
        <profile>
            <id>!invalid-id</id>
        </profile>
        <profile>
            <id>?invalid-id</id>
        </profile>
        <profile>
            <id>valid-id</id>
        </profile>

    private ProfilesConversionUtils() {}

    public static Profile convertFromProfileXmlProfile(org.apache.maven.profiles.Profile profileXmlProfile) {
        Profile profile = new Profile();

        profile.setId(profileXmlProfile.getId());

        profile.setSource("profiles.xml");

        org.apache.maven.profiles.Activation profileActivation = profileXmlProfile.getActivation();

  <groupId>gid</groupId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <profiles>

    <profile>
      <id>exists-project-version</id>
      <activation>
        <file>
          <exists>${project.version}/test.txt</exists>
        </file>
      </activation>
    </profile>
    <profile>
      <id>missing-project-version</id>
      <activation>
        <file>

    </profile>

    <profile>
      <id>dynamic-property-available</id>
      <activation>
        <property>
          <name>${activationProperty}</name>
        </property>
      </activation>
    </profile>

    <profile>
      <id>matches-another-property</id>
      <activation>
        <property>
          <name>foo</name>
          <value>${bar}</value>
        </property>
      </activation>
    </profile>

  <groupId>gid</groupId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <profiles>

    <profile>
      <id>property-name-project-version</id>
      <activation>
        <property>
          <name>${project.version}</name>
        </property>
      </activation>
    </profile>
    <profile>
      <id>property-value-project-version</id>
      <activation>
        <property>

 * under the License.
 */
package org.apache.maven.profiles;

import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.apache.maven.model.Profile;
import org.apache.maven.profiles.activation.ProfileActivationException;

/**
 * ProfileManager
 */
@Deprecated
public interface ProfileManager {

    void addProfile(Profile profile);

    void explicitlyActivate(String profileId);

    }

    /**
     * Mark a profile as required and activated.
     * @param id The identifier of the profile.
     */
    public void activateRequiredProfile(String id) {
        this.activations.put(id, ActivationSettings.activated());
    }

    /**
     * Mark a profile as optional and activated.
     * @param id The identifier of the profile.
     */
    public void activateOptionalProfile(String id) {