| // Copyright 2023 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 ( | |
| "fmt" | |
| "io" | |
| "log" | |
| "os" | |
| ) | |
| func main() { | |
| f, err := os.OpenFile(os.Getenv("TEST_OUTPUT"), os.O_CREATE|os.O_RDWR, 0600) | |
| if err != nil { | |
| log.Fatalf("os.Open failed: %s", err) | |
| } | |
| defer f.Close() | |
| b, err := io.ReadAll(os.Stdin) | |
| if err != nil { | |
| log.Fatalf("io.ReadAll(os.Stdin) failed: %s", err) | |
| } | |
| if len(b) != 0 { | |
| log.Fatalf("io.ReadAll(os.Stdin) returned non-nil: %x", b) | |
| } | |
| fmt.Fprintf(os.Stdout, "stdout\n") | |
| fmt.Fprintf(os.Stderr, "stderr\n") | |
| } | |