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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor_advance_objectstore.any.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor_advance_objectstore.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor_advance_objectstore.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor_advance_objectstore.any.worker.html - WPT Dashboard Interop Dashboard
// META: global=window,worker
// META: title=IDBCursor.advance()
// META: script=resources/support.js
'use strict';
function createAndPopulateObjectStore(db, records) {
let objStore = db.createObjectStore("store", { keyPath: "pKey" });
for (let i = 0; i < records.length; i++) {
objStore.add(records[i]);
}
return objStore;
}
function setOnUpgradeNeeded(dbObj, records) {
return function (event) {
dbObj.db = event.target.result;
createAndPopulateObjectStore(dbObj.db, records);
};
}
async_test(t => {
let dbObj = {};
let count = 0;
const records = [
{ pKey: "primaryKey_0" },
{ pKey: "primaryKey_1" },
{ pKey: "primaryKey_2" },
{ pKey: "primaryKey_3" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = function (e) {
let cursor_rq = dbObj.db.transaction("store", "readonly", { durability: 'relaxed' })
.objectStore("store")
.openCursor();
cursor_rq.onsuccess = t.step_func(function (e) {
let cursor = e.target.result;
assert_true(cursor instanceof IDBCursor);
switch (count) {
case 0:
count += 3;
cursor.advance(3);
break;
case 3:
assert_equals(cursor.value.pKey, records[count].pKey, "cursor.value.pKey");
t.done();
break;
default:
assert_unreached("unexpected count");
break;
}
});
}
}, "object store - iterate cursor number of times specified by count");
async_test(t => {
let dbObj = {};
const records = [
{ pKey: "primaryKey_0" },
{ pKey: "primaryKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = function (event) {
let txn = dbObj.db.transaction("store", "readwrite", { durability: 'relaxed' });
let rq = txn.objectStore("store").openCursor();
rq.onsuccess = t.step_func(function (event) {
let cursor = event.target.result;
assert_true(cursor instanceof IDBCursor);
assert_throws_js(TypeError,
function () { cursor.advance(0); });
t.done();
});
}
}, "Calling advance() with count argument 0 should throw TypeError.");
async_test(t => {
let dbObj = {};
const records = [
{ pKey: "primaryKey_0" },
{ pKey: "primaryKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = function (event) {
let txn = dbObj.db.transaction("store", "readwrite", { durability: 'relaxed' });
let rq = txn.objectStore("store").openCursor();
rq.onsuccess = t.step_func(function (event) {
let cursor = event.target.result;
assert_true(cursor instanceof IDBCursor);
event.target.transaction.abort();
assert_throws_dom("TransactionInactiveError",
function () { cursor.advance(1); });
t.done();
});
}
}, "Calling advance() should throws an exception TransactionInactiveError when the transaction is not active");
async_test(t => {
let dbObj = {};
const records = [
{ pKey: "primaryKey_0" },
{ pKey: "primaryKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = function (event) {
let txn = dbObj.db.transaction("store", "readwrite", { durability: 'relaxed' });
let rq = txn.objectStore("store").openCursor();
rq.onsuccess = t.step_func(function (event) {
let cursor = event.target.result;
assert_true(cursor instanceof IDBCursor);
cursor.advance(1);
assert_throws_dom("InvalidStateError",
function () { cursor.advance(1); });
t.done();
});
}
}, "Calling advance() should throw DOMException when the cursor is currently being iterated.");
async_test(t => {
let db;
const records = [
{ pKey: "primaryKey_0" },
{ pKey: "primaryKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = function (event) {
db = event.target.result;
let objStore = createAndPopulateObjectStore(db, records);
let rq = objStore.openCursor();
rq.onsuccess = t.step_func(function (event) {
let cursor = event.target.result;
assert_true(cursor instanceof IDBCursor, "cursor exist");
db.deleteObjectStore("store");
assert_throws_dom("InvalidStateError",
function () { cursor.advance(1); });
t.done();
});
}
}, "If the cursor's source or effective object store has been deleted, the implementation MUST throw a DOMException of type InvalidStateError");