unix: check number of ready file descriptors in TestPselect
Like in TestSelect, check the number of ready file descriptors returned
by Pselect.
Change-Id: I4a64720092132c5ba432d6d1274df8c68bb5b6bf
Reviewed-on: https://go-review.googlesource.com/c/sys/+/207862
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/syscall_linux_test.go b/unix/syscall_linux_test.go
index cc3af9f..7d9c8a1 100644
--- a/unix/syscall_linux_test.go
+++ b/unix/syscall_linux_test.go
@@ -239,13 +239,16 @@
func TestPselect(t *testing.T) {
for {
- _, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil)
+ n, err := unix.Pselect(0, nil, nil, nil, &unix.Timespec{Sec: 0, Nsec: 0}, nil)
if err == unix.EINTR {
t.Logf("Pselect interrupted")
continue
} else if err != nil {
t.Fatalf("Pselect: %v", err)
}
+ if n != 0 {
+ t.Fatalf("Pselect: got %v ready file descriptors, expected 0", n)
+ }
break
}
@@ -254,7 +257,7 @@
var took time.Duration
for {
start := time.Now()
- _, err := unix.Pselect(0, nil, nil, nil, &ts, nil)
+ n, err := unix.Pselect(0, nil, nil, nil, &ts, nil)
took = time.Since(start)
if err == unix.EINTR {
t.Logf("Pselect interrupted after %v", took)
@@ -262,6 +265,9 @@
} else if err != nil {
t.Fatalf("Pselect: %v", err)
}
+ if n != 0 {
+ t.Fatalf("Pselect: got %v ready file descriptors, expected 0", n)
+ }
break
}
