github.com/riscv/riscv-go@v0.0.0-20200123204226-124ebd6fcc8e/src/flag/export_test.go (about)

     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  // ResetForTesting clears all flag state and sets the usage function as directed.
    12  // After calling ResetForTesting, parse errors in flag handling will not
    13  // exit the program.
    14  func ResetForTesting(usage func()) {
    15  	CommandLine = NewFlagSet(os.Args[0], ContinueOnError)
    16  	CommandLine.Usage = commandLineUsage
    17  	Usage = usage
    18  }