pkg.ImportPath = tt.in
			pkg.GoFiles = tt.files
			pkg.Internal.CmdlineFiles = len(tt.files) > 0
			gotMod := pkg.DefaultExecName()
			if gotMod != tt.wantMod {
				t.Errorf("pkg.DefaultExecName with ImportPath = %q in module mode = %v; want %v", tt.in, gotMod, tt.wantMod)
			}
		}
		{
			cfg.ModulesEnabled = false
			pkg := new(Package)
			pkg.ImportPath = tt.in
			pkg.GoFiles = tt.files

		if err != nil {
			base.Errorf("%v", err)
			continue
		}
		if len(ptest.GoFiles) == 0 && len(ptest.CgoFiles) == 0 && pxtest == nil {
			base.Errorf("go: can't vet %s: no Go files in %s", p.ImportPath, p.Dir)
			continue
		}
		if len(ptest.GoFiles) > 0 || len(ptest.CgoFiles) > 0 {
			root.Deps = append(root.Deps, b.VetAction(work.ModeBuild, work.ModeBuild, ptest))
		}
		if pxtest != nil {

cmp stdout want-non-json.txt

# Test -json=<field> keeps only that field.
go list -json=Name
cmp stdout want-json-name.txt

# Test -json=<field> with multiple fields.
go list -json=ImportPath,Name,GoFiles,Imports
cmp stdout want-json-multiple.txt

# Test -json=<field> with Deps outputs the Deps field.
go list -json=Deps
stdout '"Deps": \['
stdout '"errors",'

		t.Errorf("pkg.Name = %q; want %q", pkg.Name, wantName)
	}

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

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

					continue // Not covering this file.
				}
				if err := b.cover(a, coverFile, sourceFile, cover.Var); err != nil {
					return err
				}
			}
			if i < len(gofiles) {
				gofiles[i] = coverFile
			} else {
				cgofiles[i-len(gofiles)] = coverFile
			}
		}

		if cfg.Experiment.CoverageRedesign {
			if len(infiles) != 0 {
				// Coverage instrumentation creates new top level

		ptest = new(Package)
		*ptest = *p
		ptest.Error = ptestErr
		ptest.Incomplete = incomplete
		ptest.ForTest = p.ImportPath
		ptest.GoFiles = nil
		ptest.GoFiles = append(ptest.GoFiles, p.GoFiles...)
		ptest.GoFiles = append(ptest.GoFiles, p.TestGoFiles...)
		ptest.Target = ""
		// Note: The preparation of the vet config requires that common
		// indexes in ptest.Imports and ptest.Internal.RawImports

	p.Target = "" // must build - not up to date
	if p.Internal.CmdlineFiles {
		//set executable name if go file is given as cmd-argument
		var src string
		if len(p.GoFiles) > 0 {
			src = p.GoFiles[0]
		} else if len(p.CgoFiles) > 0 {
			src = p.CgoFiles[0]
		} else {
			// this case could only happen if the provided source uses cgo
			// while cgo is disabled.
			hint := ""
			if !cfg.BuildContext.CgoEnabled {

				// Skip this error, as we will format
				// all files regardless.
			} else {
				base.Errorf("%v", pkg.Error)
				continue
			}
		}
		// Use pkg.gofiles instead of pkg.Dir so that
		// the command only applies to this package,
		// not to packages in subdirectories.
		files := base.RelPaths(pkg.InternalAllGoFiles())
		for _, file := range files {

	// same basename, so go from the overlay contents file path (passed to the compiler)
	// to the path the disk path would be rewritten to.

	cgoFiles := make(map[string]bool)
	for _, f := range a.Package.CgoFiles {
		cgoFiles[f] = true
	}

	// TODO(matloob): Higher up in the stack, when the logic for deciding when to make copies

	Dir                       string // (unused)
	ImportPath                string // package path
	GoVersion                 string // minimum required Go version, such as "go1.21.0"
	GoFiles                   []string
	NonGoFiles                []string
	IgnoredFiles              []string
	ImportMap                 map[string]string // maps import path to package path