golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/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 //go:build aix 6 7 package unix_test 8 9 import ( 10 "os" 11 "runtime" 12 "testing" 13 "time" 14 15 "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 diff := int64(ut) - now.Unix() 53 if -1 <= diff && diff <= 1 { 54 return 55 } 56 } 57 58 t.Errorf("Time: return value %v should be nearly equal to time.Now().Unix() %v±1", ut, now.Unix()) 59 } 60 61 func TestUtime(t *testing.T) { 62 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 TestPselect(t *testing.T) { 86 if runtime.GOARCH == "ppc64" { 87 t.Skip("pselect issue with structure timespec on AIX 7.2 tl0, skipping test") 88 } 89 90 _, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil) 91 if err != nil { 92 t.Fatalf("Pselect: %v", err) 93 } 94 95 dur := 2500 * time.Microsecond 96 ts := unix.NsecToTimespec(int64(dur)) 97 start := time.Now() 98 _, err = unix.Pselect(0, nil, nil, nil, &ts, nil) 99 took := time.Since(start) 100 if err != nil { 101 t.Fatalf("Pselect: %v", err) 102 } 103 104 if took < dur { 105 t.Errorf("Pselect: timeout should have been at least %v, got %v", dur, took) 106 } 107 }