libgo/go/flag/export_test.go

   1 // Copyright 2010 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package flag
   6
   7 import "os"
   8
   9 // Additional routines compiled into the package only during testing.
  10
  11 var DefaultUsage = Usage
  12
  13 // ResetForTesting clears all flag state and sets the usage function as directed.
  14 // After calling ResetForTesting, parse errors in flag handling will not
  15 // exit the program.
  16 func ResetForTesting(usage func()) {
  17         CommandLine = NewFlagSet(os.Args[0], ContinueOnError)
  18         CommandLine.Usage = commandLineUsage
  19         Usage = usage
  20 }