github.com/nibnait/go-learn@v0.0.0-20220227013611-dfa47ea6d2da/src/pkg/mod/golang.org/x/sys@v0.0.0-20210630005230-0f9fa26af87c/plan9/syscall_test.go (about)

     1  // Copyright 2013 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  // +build plan9
     6  
     7  package plan9_test
     8  
     9  import (
    10  	"testing"
    11  
    12  	"golang.org/x/sys/plan9"
    13  )
    14  
    15  func testSetGetenv(t *testing.T, key, value string) {
    16  	err := plan9.Setenv(key, value)
    17  	if err != nil {
    18  		t.Fatalf("Setenv failed to set %q: %v", value, err)
    19  	}
    20  	newvalue, found := plan9.Getenv(key)
    21  	if !found {
    22  		t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value)
    23  	}
    24  	if newvalue != value {
    25  		t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value)
    26  	}
    27  }
    28  
    29  func TestEnv(t *testing.T) {
    30  	testSetGetenv(t, "TESTENV", "AVALUE")
    31  	// make sure TESTENV gets set to "", not deleted
    32  	testSetGetenv(t, "TESTENV", "")
    33  }