if p.packages[bp.ImportPath] == &importing {
			p.packages[bp.ImportPath] = nil
		}
	}()

	var filenames []string
	filenames = append(filenames, bp.GoFiles...)
	filenames = append(filenames, bp.CgoFiles...)

	files, err := p.parseFiles(bp.Dir, filenames)
	if err != nil {
		return nil, err
	}

	// type-check package files
	var firstHardErr error
	conf := types.Config{

		t.Skipf("gc-built packages not available (compiler = %s)", runtime.Compiler)
	}

	// Get list of packages in stdlib. Filter out test-only packages with {{if .GoFiles}} check.
	var stderr bytes.Buffer
	cmd := exec.Command("go", "list", "-f", "{{if .GoFiles}}{{.ImportPath}}{{end}}", "std")
	cmd.Stderr = &stderr
	out, err := cmd.Output()
	if err != nil {

		// Record which files are not in package main.
		// The others are.
		keep := func(list []string) {
			for _, f := range list {
				packageFile[f] = true
			}
		}
		keep(p.GoFiles)
		keep(p.CgoFiles)
		keep(p.TestGoFiles)
		keep(p.XTestGoFiles)
	}

	_, elem := filepath.Split(p.Dir)
	var allRemove []string

	// Remove dir-named executable only if this is package main.

		}
	}
}

func TestPackageDir(t *testing.T) {
	cases := []struct {
		input  *packages.Package
		expect string
	}{{
		input: &packages.Package{
			PkgPath:      "example.com/foo/bar/qux",
			GoFiles:      []string{"/src/prj/file.go"},
			IgnoredFiles: []string{"/otherdir/file.go"},
		},
		expect: filepath.Clean("/src/prj"),
	}, {
		input: &packages.Package{
			PkgPath:      "example.com/foo/bar/qux",

	BinaryOnly    bool     // cannot be rebuilt from source (has //go:binary-only-package comment)

	// Source files
	GoFiles           []string // .go source files (excluding CgoFiles, TestGoFiles, XTestGoFiles)
	CgoFiles          []string // .go source files that import "C"
	IgnoredGoFiles    []string // .go source files ignored for this build (including ignored _test.go files)

	}
	sort.Strings(p.AllTags)

	if len(p.CgoFiles) > 0 {
		p.SFiles = append(p.SFiles, Sfiles...)
		sort.Strings(p.SFiles)
	} else {
		p.IgnoredOtherFiles = append(p.IgnoredOtherFiles, Sfiles...)
		sort.Strings(p.IgnoredOtherFiles)
	}

	if badGoError != nil {
		return p, badGoError
	}
	if len(p.GoFiles)+len(p.CgoFiles)+len(p.TestGoFiles)+len(p.XTestGoFiles) == 0 {

	// That means the file must be in the build package's GoFiles or CgoFiles
	// list only (no tag-ignored files, tests, swig or other non-Go files).
	include := func(info fs.FileInfo) bool {
		for _, name := range pkg.GoFiles {
			if name == info.Name() {
				return true
			}
		}
		for _, name := range pkg.CgoFiles {
			if name == info.Name() {
				return true
			}
		}
		return false

			return nil, nil // no *.go files, not an error
		}
		return nil, err
	}
	if excluded[pkg.ImportPath] {
		return nil, nil
	}
	var filenames []string
	for _, name := range pkg.GoFiles {
		filenames = append(filenames, filepath.Join(pkg.Dir, name))
	}
	if includeTest {
		for _, name := range pkg.TestGoFiles {
			filenames = append(filenames, filepath.Join(pkg.Dir, name))
		}
	}

			return nil, nil // no *.go files, not an error
		}
		return nil, err
	}
	if excluded[pkg.ImportPath] {
		return nil, nil
	}
	var filenames []string
	for _, name := range pkg.GoFiles {
		filenames = append(filenames, filepath.Join(pkg.Dir, name))
	}
	if includeTest {
		for _, name := range pkg.TestGoFiles {
			filenames = append(filenames, filepath.Join(pkg.Dir, name))
		}
	}

			t.Skipf("skipping: GOROOT/test not present")
		}
	}

	for _, dir := range dirs {
		for _, goFile := range goFiles(t, dir) {
			test := test{testCommon: common, dir: dir, goFile: goFile}
			t.Run(path.Join(dir, goFile), func(t *testing.T) {
				t.Parallel()
				test.T = t
				testError := test.run()
				wantError := test.expectFail() && !*force
				if testError != nil {