t.Errorf("pkg.GoFiles = %q; want %q", pkg.GoFiles, wantGoFiles)
	}

	if wantInvalidFiles := []string{"file_appengine.go"}; !reflect.DeepEqual(pkg.InvalidGoFiles, wantInvalidFiles) {
		t.Errorf("pkg.InvalidGoFiles = %q; want %q", pkg.InvalidGoFiles, wantInvalidFiles)
	}
}

func TestLocalDirectory(t *testing.T) {
	if runtime.GOOS == "ios" {

	var badGoError error
	badGoFiles := make(map[string]bool)
	badGoFile := func(name string, err error) {
		if badGoError == nil {
			badGoError = err
		}
		if !badGoFiles[name] {
			p.InvalidGoFiles = append(p.InvalidGoFiles, name)
			badGoFiles[name] = true
		}
	}

	var Sfiles []string // files with ".S"(capital S)/.sx(capital s equivalent for case insensitive filesystems)
	var firstFile string

		// behavior means people miss serious mistakes.
		// See golang.org/issue/11407.
		if p, err := cfg.BuildContext.ImportDir(path, 0); err != nil && (p == nil || len(p.InvalidGoFiles) == 0) {
			if _, noGo := err.(*build.NoGoError); noGo {
				// The package does not actually exist, so record neither the package
				// nor the error.
				return nil
			}