github.com/go-xe2/third@v1.0.3/golang.org/x/sys/unix/syscall_aix_test.go (about) 1 // Copyright 2018 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 aix 6 7 package unix_test 8 9 import ( 10 "os" 11 "runtime" 12 "testing" 13 "time" 14 15 "github.com/go-xe2/third/golang.org/x/sys/unix" 16 ) 17 18 func TestIoctlGetInt(t *testing.T) { 19 f, err := os.Open("/dev/random") 20 if err != nil { 21 t.Fatalf("failed to open device: %v", err) 22 } 23 defer f.Close() 24 25 v, err := unix.IoctlGetInt(int(f.Fd()), unix.RNDGETENTCNT) 26 if err != nil { 27 t.Fatalf("failed to perform ioctl: %v", err) 28 } 29 30 t.Logf("%d bits of entropy available", v) 31 } 32 33 func TestTime(t *testing.T) { 34 var ut unix.Time_t 35 ut2, err := unix.Time(&ut) 36 if err != nil { 37 t.Fatalf("Time: %v", err) 38 } 39 if ut != ut2 { 40 t.Errorf("Time: return value %v should be equal to argument %v", ut2, ut) 41 } 42 43 var now time.Time 44 45 for i := 0; i < 10; i++ { 46 ut, err = unix.Time(nil) 47 if err != nil { 48 t.Fatalf("Time: %v", err) 49 } 50 51 now = time.Now() 52 53 if int64(ut) == now.Unix() { 54 return 55 } 56 } 57 58 t.Errorf("Time: return value %v should be nearly equal to time.Now().Unix() %v", ut, now.Unix()) 59 } 60 61 func TestUtime(t *testing.T) { 62 defer chtmpdir(t)() 63 64 touch(t, "file1") 65 66 buf := &unix.Utimbuf{ 67 Modtime: 12345, 68 } 69 70 err := unix.Utime("file1", buf) 71 if err != nil { 72 t.Fatalf("Utime: %v", err) 73 } 74 75 fi, err := os.Stat("file1") 76 if err != nil { 77 t.Fatal(err) 78 } 79 80 if fi.ModTime().Unix() != 12345 { 81 t.Errorf("Utime: failed to change modtime: expected %v, got %v", 12345, fi.ModTime().Unix()) 82 } 83 } 84 85 func TestUtimesNanoAt(t *testing.T) { 86 defer chtmpdir(t)() 87 88 symlink := "symlink1" 89 defer os.Remove(symlink) 90 err := os.Symlink("nonexisting", symlink) 91 if err != nil { 92 t.Fatal(err) 93 } 94 95 ts := []unix.Timespec{ 96 {Sec: 1111, Nsec: 2222}, 97 {Sec: 3333, Nsec: 4444}, 98 } 99 err = unix.UtimesNanoAt(unix.AT_FDCWD, symlink, ts, unix.AT_SYMLINK_NOFOLLOW) 100 if err != nil { 101 t.Fatalf("UtimesNanoAt: %v", err) 102 } 103 104 var st unix.Stat_t 105 err = unix.Lstat(symlink, &st) 106 if err != nil { 107 t.Fatalf("Lstat: %v", err) 108 } 109 if runtime.GOARCH == "ppc64" { 110 if int64(st.Atim.Sec) != int64(ts[0].Sec) || st.Atim.Nsec != int32(ts[0].Nsec) { 111 t.Errorf("UtimesNanoAt: wrong atime: %v", st.Atim) 112 } 113 if int64(st.Mtim.Sec) != int64(ts[1].Sec) || st.Mtim.Nsec != int32(ts[1].Nsec) { 114 t.Errorf("UtimesNanoAt: wrong mtime: %v", st.Mtim) 115 } 116 } else { 117 if int32(st.Atim.Sec) != int32(ts[0].Sec) || int32(st.Atim.Nsec) != int32(ts[0].Nsec) { 118 t.Errorf("UtimesNanoAt: wrong atime: %v", st.Atim) 119 } 120 if int32(st.Mtim.Sec) != int32(ts[1].Sec) || int32(st.Mtim.Nsec) != int32(ts[1].Nsec) { 121 t.Errorf("UtimesNanoAt: wrong mtime: %v", st.Mtim) 122 } 123 } 124 } 125 126 func TestPselect(t *testing.T) { 127 if runtime.GOARCH == "ppc64" { 128 t.Skip("pselect issue with structure timespec on AIX 7.2 tl0, skipping test") 129 } 130 131 _, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil) 132 if err != nil { 133 t.Fatalf("Pselect: %v", err) 134 } 135 136 dur := 2500 * time.Microsecond 137 ts := unix.NsecToTimespec(int64(dur)) 138 start := time.Now() 139 _, err = unix.Pselect(0, nil, nil, nil, &ts, nil) 140 took := time.Since(start) 141 if err != nil { 142 t.Fatalf("Pselect: %v", err) 143 } 144 145 if took < dur { 146 t.Errorf("Pselect: timeout should have been at least %v, got %v", dur, took) 147 } 148 } 149 150 // stringsFromByteSlice converts a sequence of attributes to a []string. 151 // On Linux, each entry is a NULL-terminated string. 152 func stringsFromByteSlice(buf []byte) []string { 153 var result []string 154 off := 0 155 for i, b := range buf { 156 if b == 0 { 157 result = append(result, string(buf[off:i])) 158 off = i + 1 159 } 160 } 161 return result 162 }