| <!DOCTYPE html> |
| <title>IDBCursor.continue() - objectstore - delete next element, and iterate to it</title> |
| <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| var db, |
| count = 0, |
| t = async_test(document.title, {timeout: 10000}); |
| |
| var open_rq = createdb(t); |
| open_rq.onupgradeneeded = function(e) { |
| db = e.target.result; |
| var objStore = db.createObjectStore("test", { keyPath: "key" }); |
| |
| for (var i = 0; i < 500; i++) |
| objStore.add({ key: i, val: "val_"+i }); |
| |
| var rq = objStore.add({ key: 500, val: "val_500" }); |
| |
| rq.onsuccess = t.step_func(function() { |
| for (var i = 999; i > 500; i--) |
| objStore.add({ key: i, val: "val_"+i }); |
| }); |
| |
| objStore.createIndex('index', ['key', 'val']); |
| }; |
| |
| open_rq.onsuccess = function(e) { |
| var cursor_rq = db.transaction("test", "readwrite") |
| .objectStore("test") |
| .openCursor(); |
| |
| cursor_rq.onsuccess = t.step_func(function(e) { |
| var cursor = e.target.result, |
| store = e.target.source; |
| if (!cursor) { |
| assert_equals(count, 997, "cursor run count"); |
| |
| var rq = e.target.source.count(); |
| rq.onsuccess = t.step_func(function(e) { |
| assert_equals(e.target.result, 995, "object count"); |
| t.done(); |
| }); |
| return; |
| } |
| |
| switch (cursor.key) { |
| case 10: |
| assert_equals(count, cursor.key, "count"); |
| store.delete(11); |
| break; |
| |
| case 12: |
| case 499: |
| case 500: |
| case 501: |
| assert_equals(count, cursor.key - 1, "count"); |
| break; |
| |
| // Delete the next key |
| case 510: |
| store.delete(511); |
| break; |
| |
| // Delete randomly |
| case 512: |
| store.delete(611); |
| store.delete(499); |
| store.delete(500); |
| break; |
| |
| // Delete and add a new key |
| case 520: |
| store.delete(521); |
| store.add({ key: 521, val: "new"}); |
| break; |
| |
| case 521: |
| assert_equals(cursor.value.val, "new"); |
| break; |
| |
| // We should only be here once although we're basically making the index |
| // "heavier" with its new key. |
| case 530: |
| assert_equals(cursor.value.val, "val_530"); |
| cursor.update({ key: 530, val: "val_531" }) |
| |
| store.get(530).onsuccess = t.step_func(function(e) { |
| assert_equals(e.target.result.val, "val_531"); |
| }); |
| break; |
| |
| // Shouldn't happen. |
| case 11: |
| case 511: |
| case 611: |
| assert_unreached(cursor.key + " should be deleted and never run"); |
| break; |
| } |
| |
| cursor.continue(); |
| count++; |
| }); |
| }; |
| </script> |
| |
| <div id="log"> </div> |
