diff options
| -rw-r--r-- | src/syscall/syscall_bsd_test.go | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/syscall/syscall_bsd_test.go b/src/syscall/syscall_bsd_test.go index c2ea089d50..f2bc3f5147 100644 --- a/src/syscall/syscall_bsd_test.go +++ b/src/syscall/syscall_bsd_test.go @@ -7,28 +7,45 @@ package syscall_test import ( + "os/exec" "syscall" "testing" ) const MNT_WAIT = 1 +const MNT_NOWAIT = 2 func TestGetfsstat(t *testing.T) { - n, err := syscall.Getfsstat(nil, MNT_WAIT) + const flags = MNT_NOWAIT // see Issue 16937 + n, err := syscall.Getfsstat(nil, flags) + t.Logf("Getfsstat(nil, %d) = (%v, %v)", flags, n, err) if err != nil { t.Fatal(err) } data := make([]syscall.Statfs_t, n) - n, err = syscall.Getfsstat(data, MNT_WAIT) + n2, err := syscall.Getfsstat(data, flags) + t.Logf("Getfsstat([]syscall.Statfs_t, %d) = (%v, %v)", flags, n2, err) if err != nil { t.Fatal(err) } - - empty := syscall.Statfs_t{} - for _, stat := range data { - if stat == empty { - t.Fatal("an empty Statfs_t struct was returned") + if n != n2 { + t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2) + } + for i, stat := range data { + if stat == (syscall.Statfs_t{}) { + t.Errorf("index %v is an empty Statfs_t struct", i) + } + } + if t.Failed() { + for i, stat := range data[:n2] { + t.Logf("data[%v] = %+v", i, stat) + } + mount, err := exec.Command("mount").CombinedOutput() + if err != nil { + t.Logf("mount: %v\n%s", err, mount) + } else { + t.Logf("mount: %s", mount) } } } |