func truno(t *testing.T, o *opt.Options, f func(h *dbHarness)) {
for i := 0; i < 4; i++ {
func() {
switch i {
case 0:
case 1:
if o == nil {
o = &opt.Options{Filter: _bloom_filter}
} else {
old := o
o = &opt.Options{}
*o = *old
o.Filter = _bloom_filter
}
case 2:
if o == nil {
o = &opt.Options{Compression: opt.NoCompression}
} else {
old := o
o = &opt.Options{}
*o = *old
o.Compression = opt.NoCompression
}
}
h := newDbHarnessWopt(t, o)
defer h.close()
switch i {
case 3:
h.reopenDB()
}
f(h)
}()
}
}
