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unix: use same TestSelect on all Unices

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Also change t.Error messages to use "got foo, expected bar" notation.

Change-Id: Ia0b452f96b08cbb69a0b64cc2a467b5cf94e72da
Reviewed-on: https://go-review.googlesource.com/c/sys/+/207858
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2019-11-19 19:55:28 +00:00
committed by Tobias Klauser
parent e882bf8e40
commit f068ffe820
5 changed files with 51 additions and 173 deletions
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unix/syscall_linux_test.go
-49
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@@ -237,55 +237,6 @@ func TestRlimitAs(t *testing.T) {
}
}
func TestSelect(t *testing.T) {
n, err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
if err != nil {
t.Fatalf("Select: %v", err)
}
if n != 0 {
t.Fatalf("Select: expected 0 ready file descriptors, got %v", n)
}
dur := 150 * time.Millisecond
tv := unix.NsecToTimeval(int64(dur))
start := time.Now()
n, err = unix.Select(0, nil, nil, nil, &tv)
took := time.Since(start)
if err != nil {
t.Fatalf("Select: %v", err)
}
if n != 0 {
t.Fatalf("Select: expected 0 ready file descriptors, got %v", n)
}
if took < dur {
t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
}
rr, ww, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
defer rr.Close()
defer ww.Close()
if _, err := ww.Write([]byte("HELLO GOPHER")); err != nil {
t.Fatal(err)
}
rFdSet := &unix.FdSet{}
fd := int(rr.Fd())
rFdSet.Set(fd)
n, err = unix.Select(fd+1, rFdSet, nil, nil, nil)
if err != nil {
t.Fatalf("Select: %v", err)
}
if n != 1 {
t.Fatalf("Select: expected 1 ready file descriptors, got %v", n)
}
}
func TestPselect(t *testing.T) {
for {
_, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil)