return nil, UnknownGroupIdError(strconv.Itoa(gid))
	}
	if err != nil {
		return nil, fmt.Errorf("user: lookup groupid %d: %v", gid, err)
	}
	return buildGroup(&grp), nil
}

func buildGroup(grp *_C_struct_group) *Group {
	g := &Group{
		Gid:  strconv.Itoa(int(_C_gr_gid(grp))),
		Name: _C_GoString(_C_gr_name(grp)),
	}
	return g
}

type bufferKind _C_int

var (

    public static final String ASSEMBLE_TASK_NAME = "assemble";
    public static final String CHECK_TASK_NAME = "check";
    public static final String BUILD_TASK_NAME = "build";
    public static final String BUILD_GROUP = "build";
    public static final String VERIFICATION_GROUP = "verification";

    @Override
    public void apply(final Project project) {
        final ProjectInternal projectInternal = (ProjectInternal) project;

        def clean = project.tasks[CLEAN_TASK_NAME]
        clean instanceOf(Delete)
        clean dependsOn()
        clean.group == BUILD_GROUP
        clean.targetFiles.files == [project.buildDir] as Set

        and:
        def assemble = project.tasks[ASSEMBLE_TASK_NAME]
        assemble.group == BUILD_GROUP
        assemble instanceOf(DefaultTask)

        and:
        def check = project.tasks[CHECK_TASK_NAME]

      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableLongArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((long) j);
      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override

    public static final String CLEAN_TASK_NAME = LifecycleBasePlugin.CLEAN_TASK_NAME;
    public static final String ASSEMBLE_TASK_NAME = LifecycleBasePlugin.ASSEMBLE_TASK_NAME;
    public static final String BUILD_GROUP = LifecycleBasePlugin.BUILD_GROUP;

    @Override
    public void apply(final Project project) {
        project.getPluginManager().apply(LifecycleBasePlugin.class);

            name == "exeExecutable"
            group == LifecycleBasePlugin.BUILD_GROUP
        }
        SharedLibraryBinarySpec sharedLibraryBinary = binaries.libSharedLibrary as SharedLibraryBinarySpec
        with(oneTask(sharedLibraryBinary.buildDependencies)) {
            name == "libSharedLibrary"
            group == LifecycleBasePlugin.BUILD_GROUP
        }

      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableIntArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo(j);
      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override

      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableLongArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((long) j);
      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override

      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableDoubleArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((double) j);
      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override

      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();
        op.doIt(builder, counter);
      }
      ImmutableDoubleArray iia = builder.build();
      for (int j = 0; j < iia.length(); j++) {
        assertThat(iia.get(j)).isEqualTo((double) j);
      }
    }
  }

  private enum BuilderOp {
    ADD_ONE {
      @Override