Ensure that a freelist can deserialize from a freelist page.
(t *testing.T)
| 299 | |
| 300 | // Ensure that a freelist can deserialize from a freelist page. |
| 301 | func TestFreelist_read(t *testing.T) { |
| 302 | // Create a page. |
| 303 | var buf [4096]byte |
| 304 | page := (*common.Page)(unsafe.Pointer(&buf[0])) |
| 305 | page.SetFlags(common.FreelistPageFlag) |
| 306 | page.SetCount(2) |
| 307 | |
| 308 | // Insert 2 page ids. |
| 309 | ids := (*[3]common.Pgid)(unsafe.Pointer(uintptr(unsafe.Pointer(page)) + unsafe.Sizeof(*page))) |
| 310 | ids[0] = 23 |
| 311 | ids[1] = 50 |
| 312 | |
| 313 | // Deserialize page into a freelist. |
| 314 | f := newTestFreelist() |
| 315 | f.Read(page) |
| 316 | |
| 317 | // Ensure that there are two page ids in the freelist. |
| 318 | if exp := common.Pgids([]common.Pgid{23, 50}); !reflect.DeepEqual(exp, f.freePageIds()) { |
| 319 | t.Fatalf("exp=%v; got=%v", exp, f.freePageIds()) |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | // Ensure that we never read a non-freelist page |
| 324 | func TestFreelist_read_panics(t *testing.T) { |
nothing calls this directly
no test coverage detected