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 package syscall_test 6 7 import ( 8 "fmt" 9 "syscall" 10 "testing" 11 ) 12 13 func testSetGetenv(t *testing.T, key, value string) { 14 err := syscall.Setenv(key, value) 15 if err != nil { 16 t.Fatalf("Setenv failed to set %q: %v", value, err) 17 } 18 newvalue, found := syscall.Getenv(key) 19 if !found { 20 t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value) 21 } 22 if newvalue != value { 23 t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value) 24 } 25 } 26 27 func TestEnv(t *testing.T) { 28 testSetGetenv(t, "TESTENV", "AVALUE") 29 // make sure TESTENV gets set to "", not deleted 30 testSetGetenv(t, "TESTENV", "") 31 } 32 33 func TestItoa(t *testing.T) { 34 // Make most negative integer: 0x8000... 35 i := 1 36 for i<<1 != 0 { 37 i <<= 1 38 } 39 if i >= 0 { 40 t.Fatal("bad math") 41 } 42 s := syscall.Itoa(i) 43 f := fmt.Sprint(i) 44 if s != f { 45 t.Fatalf("itoa(%d) = %s, want %s", i, s, f) 46 } 47 } 48
