syscall_aix_test.go

Documentation: golang.org/x/sys/unix

     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  }
   108
View as plain text