importMap := make(map[string]string)
	for _, p := range gofiles {
		for _, imp := range readimports(p) {
			if imp == "C" {
				fatalf("%s imports C", p)
			}
			importMap[imp] = resolveVendor(imp, dir)
		}
	}
	sortedImports := make([]string, 0, len(importMap))
	for imp := range importMap {
		sortedImports = append(sortedImports, imp)
	}
	sort.Strings(sortedImports)

	for _, dep := range importMap {

	for _, d := range f.DeclList {
		if imp, _ := d.(*syntax.ImportDecl); imp != nil {
			imports[imp.Path.Value] = imp
		}
	}

	for _, test := range tests {
		imp := imports[test.path]
		if imp == nil {
			t.Fatalf("invalid test case: import path %s not found", test.path)
		}
		got := info.PkgNameOf(imp)
		if got == nil {

	for _, s := range f.Decls[0].(*ast.GenDecl).Specs {
		if imp, _ := s.(*ast.ImportSpec); imp != nil {
			imports[imp.Path.Value] = imp
		}
	}

	for _, test := range tests {
		imp := imports[test.path]
		if imp == nil {
			t.Fatalf("invalid test case: import path %s not found", test.path)
		}
		got := info.PkgNameOf(imp)
		if got == nil {

		}

		// Record imports and information about cgo.
		isCgo := false
		for _, imp := range info.imports {
			if imp.path == "C" {
				if isTest {
					badGoFile(name, fmt.Errorf("use of cgo in test %s not supported", filename))
					continue
				}
				isCgo = true
				if imp.doc != nil {
					if err := ctxt.saveCgo(filename, p, imp.doc); err != nil {
						badGoFile(name, err)
					}
				}
			}
		}