mozilla-central/testing/web-platform/tests/IndexedDB/idbcursor_delete_objectstore.any.js (file symbol)

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// META: global=window,worker
// META: title=IDBCursor.delete() - object store
// META: script=resources/support.js
'use strict';
function createObjectStoreAndPopulate(db, records) {
let objStore = db.createObjectStore("test", { 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;
createObjectStoreAndPopulate(dbObj.db, records);
};
}
async_test(t => {
let dbObj = {}, count = 0;
const records = [{ pKey: "primaryKey_0" }, { pKey: "primaryKey_1" }];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = t.step_func(CursorDeleteRecord);
function CursorDeleteRecord(e) {
let txn = dbObj.db.transaction("test", "readwrite", { durability: 'relaxed' });
let cursor_rq = txn.objectStore("test").openCursor();
cursor_rq.onsuccess = t.step_func(function (e) {
let cursor = e.target.result;
assert_true(cursor != null, "cursor exist");
cursor.delete();
});
txn.oncomplete = t.step_func(VerifyRecordWasDeleted);
}
function VerifyRecordWasDeleted(e) {
let cursor_rq = dbObj.db.transaction("test", "readonly", { durability: 'relaxed' })
.objectStore("test")
.openCursor();
cursor_rq.onsuccess = t.step_func(function (e) {
let cursor = e.target.result;
if (!cursor) {
assert_equals(count, 1, 'count');
t.done();
}
assert_equals(cursor.value.pKey, records[1].pKey);
count++;
cursor.continue();
});
}
}, "Remove a record from the object store ");
async_test(t => {
let dbObj = {};
const records = [
{ pKey: "primaryKey_0", iKey: "indexKey_0" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = setOnUpgradeNeeded(dbObj, records);
open_rq.onsuccess = function (e) {
let cursor_rq = dbObj.db.transaction("test", "readonly", { durability: 'relaxed' })
.objectStore("test")
.openCursor();
cursor_rq.onsuccess = t.step_func(function (e) {
let cursor = e.target.result;
assert_true(cursor != null, "cursor exist");
assert_throws_dom('ReadOnlyError', function () { cursor.delete(); });
t.done();
});
}
}, "Attempt to remove a record in a read-only transaction");
async_test(t => {
let db;
const records = [
{ pKey: "primaryKey_0", iKey: "indexKey_0" },
{ pKey: "primaryKey_1", iKey: "indexKey_1" }
];
let open_rq = createdb(t);
open_rq.onupgradeneeded = function (e) {
db = e.target.result;
let objStore = createObjectStoreAndPopulate(db, records);
let cursor_rq = objStore.openCursor();
cursor_rq.onsuccess = t.step_func(function (e) {
let cursor = e.target.result;
assert_true(cursor instanceof IDBCursor, "cursor exist");
self.cursor = cursor;
});
e.target.transaction.oncomplete = t.step_func(function (e) {
assert_throws_dom('TransactionInactiveError',
function () { self.cursor.delete(); })
t.done();
});
}
}, "Index - attempt to remove a record in an inactive transaction");
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 = createObjectStoreAndPopulate(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("test");
assert_throws_dom("InvalidStateError", function () { cursor.delete(); });
t.done();
});
}
}, "If the cursor's source or effective object store has been deleted, the implementation MUST throw a DOMException of type InvalidStateError");
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("test", "readwrite", { durability: 'relaxed' });
let rq = txn.objectStore("test").openCursor();
rq.onsuccess = t.step_func(function (event) {
let cursor = event.target.result;
assert_true(cursor instanceof IDBCursor, "cursor exist");
cursor.continue();
assert_throws_dom("InvalidStateError", function () { cursor.delete(); });
t.done();
});
}
}, "Throw InvalidStateError when the cursor is being iterated");