// +build darwin package mem import ( "testing" ) var vm_stat_out = ` Mach Virtual Memory Statistics: (page size of 4096 bytes) Pages free: 105885. Pages active: 725641. Pages inactive: 449242. Pages speculative: 6155. Pages throttled: 0. Pages wired down: 560835. Pages purgeable: 128967. "Translation faults": 622528839. Pages copy-on-write: 17697839. Pages zero filled: 311034413. Pages reactivated: 4705104. Pages purged: 5605610. File-backed pages: 349192. Anonymous pages: 831846. Pages stored in compressor: 876507. Pages occupied by compressor: 249167. Decompressions: 4555025. Compressions: 7524729. Pageins: 40532443. Pageouts: 126496. Swapins: 2988073. Swapouts: 3283599. ` func TestParseVmStat(t *testing.T) { ret := &VirtualMemoryStat{} err := parseVmStat(vm_stat_out, 4096, ret) if err != nil { t.Errorf("Expected no error, got %s\n", err.Error()) } if ret.Free != uint64(105885*4096) { t.Errorf("Free pages, actual: %d, expected: %d", ret.Free, 105885*4096) } if ret.Inactive != uint64(449242*4096) { t.Errorf("Inactive pages, actual: %d, expected: %d", ret.Inactive, 449242*4096) } if ret.Active != uint64(725641*4096) { t.Errorf("Active pages, actual: %d, expected: %d", ret.Active, 725641*4096) } if ret.Wired != uint64(560835*4096) { t.Errorf("Wired pages, actual: %d, expected: %d", ret.Wired, 560835*4096) } if ret.Cached != uint64(128967*4096+449242.*4096) { t.Errorf("Cached pages, actual: %d, expected: %f", ret.Cached, 128967*4096+449242.*4096) } }