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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor-continue.any.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-continue.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-continue.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-continue.any.worker.html - WPT Dashboard Interop Dashboard
// META: global=window,worker
// META: title=IDBCursor.continue()
// META: script=resources/support.js
'use strict';
const store = [
{ value: 'cupcake', key: 5 },
{ value: 'pancake', key: 3 },
{ value: 'pie', key: 1 },
{ value: 'pie', key: 4 },
{ value: 'taco', key: 2 }
];
function upgrade_func(t, db, tx) {
let os;
let i;
os = db.createObjectStore('test');
os.createIndex('index', '');
for (i = 0; i < store.length; i++)
os.add(store[i].value, store[i].key);
}
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor();
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 5, 'count');
t.done();
return;
}
const cursor = e.target.result;
assert_equals(cursor.value, store[count].value);
assert_equals(cursor.primaryKey, store[count].key);
cursor.continue();
count++;
});
rq.onerror = t.unreached_func('unexpected error');
}, 'IDBCursor.continue() - continues');
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor();
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 3, 'count');
t.done();
return;
}
const cursor = e.target.result;
switch (count) {
case 0:
assert_equals(cursor.value, 'cupcake');
assert_equals(cursor.primaryKey, 5);
cursor.continue('pie');
break;
case 1:
assert_equals(cursor.value, 'pie');
assert_equals(cursor.primaryKey, 1);
cursor.continue('taco');
break;
case 2:
assert_equals(cursor.value, 'taco');
assert_equals(cursor.primaryKey, 2);
cursor.continue();
break;
default:
assert_unreached('Unexpected count: ' + count);
}
count++;
});
rq.onerror = t.unreached_func('unexpected error');
}, 'IDBCursor.continue() - with given key');
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor();
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 1, 'count');
t.done();
return;
}
const cursor = e.target.result;
switch (count) {
case 0:
assert_equals(cursor.value, 'cupcake');
assert_equals(cursor.primaryKey, 5);
break;
default:
assert_unreached('Unexpected count: ' + count);
}
count++;
cursor.continue([]); // Arrays are always bigger than strings
});
rq.onerror = t.unreached_func('unexpected error2');
}, 'IDBCursor.continue() - skip far forward');
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor(IDBKeyRange.lowerBound('cupcake', true));
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.done();
return;
}
const cursor = e.target.result;
switch (count) {
case 0:
assert_equals(cursor.value, 'pancake');
assert_equals(cursor.primaryKey, 3);
cursor.continue('pie');
break;
case 1:
assert_equals(cursor.value, 'pie');
assert_equals(cursor.primaryKey, 1);
cursor.continue('zzz');
break;
default:
assert_unreached('Unexpected count: ' + count);
}
count++;
});
rq.onerror = t.unreached_func('unexpected error1');
}, 'IDBCursor.continue() - within range');
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor('pancake');
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 1, 'count');
t.done();
return;
}
const cursor = e.target.result;
switch (count) {
case 0:
assert_equals(cursor.value, 'pancake');
assert_equals(cursor.primaryKey, 3);
cursor.continue('pie');
break;
default:
assert_unreached('Unexpected count: ' + count);
}
count++;
});
rq.onerror = t.unreached_func('unexpected error1');
}, 'IDBCursor.continue() - within single key range');
indexeddb_test(upgrade_func, function(t, db) {
let count = 0;
const rq = db.transaction('test', 'readonly')
.objectStore('test')
.index('index')
.openCursor('pie');
rq.onsuccess = t.step_func((e) => {
if (!e.target.result) {
assert_equals(count, 2, 'count');
t.done();
return;
}
const cursor = e.target.result;
switch (count) {
case 0:
assert_equals(cursor.value, 'pie');
assert_equals(cursor.primaryKey, 1);
cursor.continue();
break;
case 1:
assert_equals(cursor.value, 'pie');
assert_equals(cursor.primaryKey, 4);
cursor.continue();
break;
default:
assert_unreached('Unexpected count: ' + count);
}
count++;
});
rq.onerror = t.unreached_func('unexpected error1');
}, 'IDBCursor.continue() - within single key range, with several results');