/
githubmirror
/
go
Обзор
Документация
Войти
/
githubmirror
/
go
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/fixedbugs/issue22660.go
51 строка
1 KB
Robert Griesemer
test/fixedbugs: minor adjustments to line-directive specific tests
21 май 2026, 03:58
21 май 2026, 03:58
5a1c0ee
Код
Авторство
О чём код?
// run //go:build !js && !wasip1 && gc // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "bytes" "fmt" "log" "os" "os/exec" "path/filepath" "strings" ) func main() { f, err := os.CreateTemp("", "issue22660.go") if err != nil { log.Fatal(err) } f.Close() defer os.Remove(f.Name()) // path must appear in error messages even if we strip them with -trimpath path := filepath.Join("users", "xxx", "go") filename := filepath.Join(path, "foo.go") var src bytes.Buffer fmt.Fprintf(&src, "//line %s:1\n", filename) if err := os.WriteFile(f.Name(), src.Bytes(), 0660); err != nil { log.Fatal(err) } out, err := exec.Command("go", "tool", "compile", "-p=p", fmt.Sprintf("-trimpath=%s", path), f.Name()).CombinedOutput() if err == nil { // The file only contains a line directive, w/o a package clause. log.Fatalf("expected compiling %s to fail with syntax error", f.Name()) } // The error message position depends on the line directive. // The resolved path is <tempdir>/filename, so the directive's components // must appear as a path suffix in the error message's error position // (go.dev/issue/70478). if !strings.Contains(string(out), string(filepath.Separator)+filename) { log.Fatalf("expected full path and filename (%s) in error message, got:\n%s", filename, out) } }