| package gzip |
| |
| import ( |
| "internal/testenv" |
| "os" |
| "path/filepath" |
| "runtime" |
| "strings" |
| "testing" |
| ) |
| |
| // Per golang.org/issue/14937, check that every .gz file |
| // in the tree has a zero mtime. |
| func TestGZIPFilesHaveZeroMTimes(t *testing.T) { |
| if testing.Short() && testenv.Builder() == "" { |
| t.Skip("skipping in short mode") |
| } |
| goroot, err := filepath.EvalSymlinks(runtime.GOROOT()) |
| if err != nil { |
| t.Fatal("error evaluating GOROOT: ", err) |
| } |
| var files []string |
| err = filepath.Walk(goroot, func(path string, info os.FileInfo, err error) error { |
| if err != nil { |
| return err |
| } |
| if !info.IsDir() && strings.HasSuffix(path, ".gz") { |
| files = append(files, path) |
| } |
| return nil |
| }) |
| if err != nil { |
| if os.IsNotExist(err) { |
| t.Skipf("skipping: GOROOT directory not found: %s", runtime.GOROOT()) |
| } |
| t.Fatal("error collecting list of .gz files in GOROOT: ", err) |
| } |
| if len(files) == 0 { |
| t.Fatal("expected to find some .gz files under GOROOT") |
| } |
| for _, path := range files { |
| checkZeroMTime(t, path) |
| } |
| } |
| |
| func checkZeroMTime(t *testing.T, path string) { |
| f, err := os.Open(path) |
| if err != nil { |
| t.Error(err) |
| return |
| } |
| defer f.Close() |
| gz, err := NewReader(f) |
| if err != nil { |
| t.Errorf("cannot read gzip file %s: %s", path, err) |
| return |
| } |
| defer gz.Close() |
| if !gz.ModTime.IsZero() { |
| t.Errorf("gzip file %s has non-zero mtime (%s)", path, gz.ModTime) |
| } |
| } |
