final MavenProject child = createMavenProject("maven-core-child");
        mavenProject.setCollectedProjects(Collections.singletonList(child));
        final List<MavenProject> listOfProjects = Collections.singletonList(mavenProject);

        final Set<MavenProject> requiredProjectsBySelectors =
                sut.getRequiredProjectsBySelectors(mavenExecutionRequest, listOfProjects, selectors);

        model = Model.newBuilder()
                .profiles(Collections.singletonList(modelProfile))
                .build();
        builder = Model.newBuilder(model);
        modelMerger.mergeModel_Prerequisites(builder, model, parent, false, null);
        assertEquals(Collections.singletonList(modelProfile), builder.build().getProfiles());
    }

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import static java.util.Collections.singletonList;

import java.util.List;

/**
 * GWT emulated version of {@link SingletonImmutableList}.
 *
 * @author Hayward Chan
 */
@ElementTypesAreNonnullByDefault

import org.apache.maven.project.MavenProject;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;

class DefaultBuildResumptionAnalyzerTest {

        // multi projects build entry point
        List<ProjectBuildingResult> results = getContainer()
                .lookup(org.apache.maven.project.ProjectBuilder.class)
                .build(Collections.singletonList(pomFile), false, configuration);
        assertEquals(1, results.size());
        MavenProject mavenProject = results.get(0).getProject();
        assertEquals(1, mavenProject.getArtifacts().size());

  public void testPartition_1_1() {
    List<Integer> source = Collections.singletonList(1);
    List<List<Integer>> partitions = Lists.partition(source, 1);
    assertEquals(1, partitions.size());
    assertEquals(Collections.singletonList(1), partitions.get(0));
  }

  public void testPartition_1_2() {
    List<Integer> source = Collections.singletonList(1);
    List<List<Integer>> partitions = Lists.partition(source, 2);

        DefaultMavenMetadataCache.CacheKey k1 =
                new DefaultMavenMetadataCache.CacheKey(a1, false, lr1, Collections.singletonList(rr1));
        DefaultMavenMetadataCache.CacheKey k2 =
                new DefaultMavenMetadataCache.CacheKey(a2, false, lr2, Collections.singletonList(rr2));

        assertEquals(k1.hashCode(), k2.hashCode());
    }

import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static com.google.common.collect.testing.features.ListFeature.SUPPORTS_ADD_WITH_INDEX;
import static java.util.Collections.singletonList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.features.CollectionFeature;

  private List<Entry<K, V>> containsNullKey;
  private List<Entry<K, V>> containsNullValue;

  @Override
  public void setUp() throws Exception {
    super.setUp();
    containsNullKey = singletonList(entry(null, v3()));
    containsNullValue = singletonList(entry(k3(), null));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPutAll_supportedNothing() {
    getMap().putAll(emptyMap());
    expectUnchanged();
  }

        parameter.setName("toAddresses");

        parameter.setRequired(true);

        PluginParameterException exception =
                new PluginParameterException(mojoDescriptor, Collections.singletonList(parameter));

        assertEquals(
                "One or more required plugin parameters are invalid/missing for 'goalPrefix:goal'" + LS