| // Copyright 2012 Marc-Antoine Ruel. All rights reserved. |
| // Use of this source code is governed under the Apache License, Version 2.0 |
| // that can be found in the LICENSE file. |
| |
| package subcommands |
| |
| import ( |
| "io/ioutil" |
| "log" |
| ) |
| |
| // PanicWriter is an io.Writer that will panic if used. |
| type PanicWriter struct { |
| } |
| |
| // Write implements io.Writer. |
| func (p PanicWriter) Write(b []byte) (n int, err error) { |
| panic("unexpected write") |
| } |
| |
| // KillStdLog sets an output that will panic if used. This permits trapping any |
| // log.*() calls that would inhibit efficient use of t.Parallel(). |
| func KillStdLog() { |
| log.SetOutput(PanicWriter{}) |
| } |
| |
| // VoidStdLog sets an output that will be ignored. This permits ignoring any |
| // log.*() calls that would inhibit efficient use of t.Parallel(). |
| func VoidStdLog() { |
| log.SetOutput(ioutil.Discard) |
| } |
