1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// META: global=window,worker
// META: title=IDBIndex.count()
// META: script=resources/support.js
// @author Microsoft <https://www.microsoft.com>
// @author Odin Hørthe Omdal <mailto:odinho@opera.com>
// @author Intel <http://www.intel.com>
'use_strict';
async_test(t => {
let db;
const open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
const store = db.createObjectStore("store", { autoIncrement: true });
store.createIndex("index", "indexedProperty");
for (let i = 0; i < 10; i++) {
store.add({ indexedProperty: "data" + i });
}
};
open_rq.onsuccess = function(e) {
const rq = db.transaction("store", "readonly", { durability: 'relaxed' })
.objectStore("store")
.index("index")
.count();
rq.onsuccess = t.step_func(function(e) {
assert_equals(e.target.result, 10);
t.done();
});
};
}, 'count() returns the number of records in the index');
async_test(t => {
let db;
const open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
const store = db.createObjectStore("store", { autoIncrement: true });
store.createIndex("index", "indexedProperty");
for (let i = 0; i < 10; i++) {
store.add({ indexedProperty: "data" + i });
}
};
open_rq.onsuccess = function(e) {
const rq = db.transaction("store", "readonly", { durability: 'relaxed' })
.objectStore("store")
.index("index")
.count(IDBKeyRange.bound('data0', 'data4'));
rq.onsuccess = t.step_func(function(e) {
assert_equals(e.target.result, 5);
t.done();
});
};
}, 'count() returns the number of records that have keys within the range');
async_test(t => {
let db;
const open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
const store = db.createObjectStore("store", { autoIncrement: true });
store.createIndex("myindex", "idx");
for (let i = 0; i < 10; i++)
store.add({ idx: "data_" + (i%2) });
store.index("myindex").count("data_0").onsuccess = t.step_func(function(e) {
assert_equals(e.target.result, 5, "count(data_0)");
t.done();
});
};
}, 'count() returns the number of records that have keys with the key');
async_test(t => {
let db;
const open_rq = createdb(t);
open_rq.onupgradeneeded = function(e) {
db = e.target.result;
const store = db.createObjectStore("store", { autoIncrement: true });
store.createIndex("index", "indexedProperty");
for (let i = 0; i < 10; i++) {
store.add({ indexedProperty: "data" + i });
}
};
open_rq.onsuccess = function(e) {
const index = db.transaction("store", "readonly", { durability: 'relaxed' })
.objectStore("store")
.index("index");
assert_throws_dom("DataError", function () {
index.count(NaN);
});
t.done();
};
}, 'count() throws DataError when using invalid key');
|