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1 <!DOCTYPE html> | |
2 <meta charset="utf-8"> | |
3 <title>Keygenerator overflow</title> | |
4 <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> | |
5 <link rel=help href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#
key-generator-concept"> | |
6 <link rel=assert title="When the current number of a key generator reaches above
the value 2^53 (9007199254740992) any attempts to use the key generator to gene
rate a new key will result in an error. It's still possible to insert records in
to the object store by specifying an explicit key, however the only way to use a
key generator again for the object store is to delete the object store and crea
te a new one."> | |
7 <script src="../../../resources/testharness.js"></script> | |
8 <script src="../../../resources/testharnessreport.js"></script> | |
9 <script src="support.js"></script> | |
10 | |
11 <script> | |
12 | |
13 var db, | |
14 t = async_test(document.title, {timeout: 10000}), | |
15 overflow_error_fired = false, | |
16 objects = [9007199254740991, null, "error", 2, "error" ], | |
17 expected_keys = [2, 9007199254740991, 9007199254740992]; | |
18 | |
19 var open_rq = createdb(t); | |
20 open_rq.onupgradeneeded = function(e) { | |
21 db = e.target.result; | |
22 var objStore = db.createObjectStore("store", { keyPath: "id", autoIncrem
ent: true }); | |
23 | |
24 for (var i = 0; i < objects.length; i++) | |
25 { | |
26 if (objects[i] === null) | |
27 { | |
28 objStore.add({}); | |
29 } | |
30 else if (objects[i] === "error") | |
31 { | |
32 var rq = objStore.add({}); | |
33 rq.onsuccess = fail(t, 'When "current number" overflows, error e
vent is expected'); | |
34 rq.onerror = t.step_func(function(e) { | |
35 overflow_error_fired = true; | |
36 assert_equals(e.target.error.name, "ConstraintError", "error
name"); | |
37 e.preventDefault(); | |
38 e.stopPropagation(); | |
39 }); | |
40 } | |
41 else | |
42 objStore.add({ id: objects[i] }); | |
43 } | |
44 }; | |
45 | |
46 open_rq.onsuccess = function(e) { | |
47 var actual_keys = [], | |
48 rq = db.transaction("store") | |
49 .objectStore("store") | |
50 .openCursor(); | |
51 | |
52 rq.onsuccess = t.step_func(function(e) { | |
53 var cursor = e.target.result; | |
54 | |
55 if (cursor) { | |
56 actual_keys.push(cursor.key.valueOf()); | |
57 cursor.continue(); | |
58 } | |
59 else { | |
60 assert_true(overflow_error_fired, "error fired on 'current numbe
r' overflow"); | |
61 assert_array_equals(actual_keys, expected_keys, "keygenerator ar
ray"); | |
62 | |
63 t.done(); | |
64 } | |
65 }); | |
66 }; | |
67 | |
68 </script> | |
69 | |
70 <div id="log"></div> | |
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