github.com/nibnait/go-learn@v0.0.0-20220227013611-dfa47ea6d2da/src/pkg/mod/golang.org/x/sys@v0.0.0-20210630005230-0f9fa26af87c/unix/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 //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris 6 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris 7 8 package unix_test 9 10 import ( 11 "fmt" 12 "testing" 13 14 "golang.org/x/sys/unix" 15 ) 16 17 func testSetGetenv(t *testing.T, key, value string) { 18 err := unix.Setenv(key, value) 19 if err != nil { 20 t.Fatalf("Setenv failed to set %q: %v", value, err) 21 } 22 newvalue, found := unix.Getenv(key) 23 if !found { 24 t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value) 25 } 26 if newvalue != value { 27 t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value) 28 } 29 } 30 31 func TestEnv(t *testing.T) { 32 testSetGetenv(t, "TESTENV", "AVALUE") 33 // make sure TESTENV gets set to "", not deleted 34 testSetGetenv(t, "TESTENV", "") 35 } 36 37 func TestItoa(t *testing.T) { 38 // Make most negative integer: 0x8000... 39 i := 1 40 for i<<1 != 0 { 41 i <<= 1 42 } 43 if i >= 0 { 44 t.Fatal("bad math") 45 } 46 s := unix.Itoa(i) 47 f := fmt.Sprint(i) 48 if s != f { 49 t.Fatalf("itoa(%d) = %s, want %s", i, s, f) 50 } 51 } 52 53 func TestUname(t *testing.T) { 54 var utsname unix.Utsname 55 err := unix.Uname(&utsname) 56 if err != nil { 57 t.Fatalf("Uname: %v", err) 58 } 59 60 t.Logf("OS: %s/%s %s", utsname.Sysname[:], utsname.Machine[:], utsname.Release[:]) 61 } 62 63 // Test that this compiles. (Issue #31735) 64 func TestStatFieldNames(t *testing.T) { 65 var st unix.Stat_t 66 var _ *unix.Timespec 67 _ = &st.Atim 68 _ = &st.Mtim 69 _ = &st.Ctim 70 _ = int64(st.Mtim.Sec) 71 _ = int64(st.Mtim.Nsec) 72 }