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<!doctype html>
<meta charset=utf-8>
<title>IndexedDB: Exceptions thrown during key conversion</title>
<meta name=timeout content=long>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support.js"></script>
<script>
// Convenience function for tests that only need to run code in onupgradeneeded.
function indexeddb_upgrade_only_test(upgrade_callback, description) {
indexeddb_test(upgrade_callback, t => { t.done(); }, description);
}
// Key that throws during conversion.
function throwing_key(name) {
var throws = [];
throws.length = 1;
const err = new Error('throwing from getter');
err.name = name;
Object.defineProperty(throws, '0', {get: function() {
throw err;
}, enumerable: true});
return [throws, err];
}
var valid_key = [];
var invalid_key = {};
// Calls method on receiver with the specified number of args (default 1)
// and asserts that the method fails appropriately (rethrowing if
// conversion throws, or DataError if not a valid key), and that
// the first argument is fully processed before the second argument
// (if appropriate).
function check_method(receiver, method, args) {
args = args || 1;
if (args < 2) {
const [key, err] = throwing_key('getter');
assert_throws_exactly(err, () => {
receiver[method](key);
}, 'key conversion with throwing getter should rethrow');
assert_throws_dom('DataError', () => {
receiver[method](invalid_key);
}, 'key conversion with invalid key should throw DataError');
} else {
const [key1, err1] = throwing_key('getter 1');
const [key2, err2] = throwing_key('getter 2');
assert_throws_exactly(err1, () => {
receiver[method](key1, key2);
}, 'first key conversion with throwing getter should rethrow');
assert_throws_dom('DataError', () => {
receiver[method](invalid_key, key2);
}, 'first key conversion with invalid key should throw DataError');
assert_throws_exactly(err2, () => {
receiver[method](valid_key, key2);
}, 'second key conversion with throwing getter should rethrow');
assert_throws_dom('DataError', () => {
receiver[method](valid_key, invalid_key);
}, 'second key conversion with invalid key should throw DataError');
}
}
// Static key comparison utility on IDBFactory.
test(t => {
check_method(indexedDB, 'cmp', 2);
}, 'IDBFactory cmp() static with throwing/invalid keys');
// Continue methods on IDBCursor.
indexeddb_upgrade_only_test((t, db) => {
var store = db.createObjectStore('store');
store.put('a', 1).onerror = t.unreached_func('put should succeed');
var request = store.openCursor();
request.onerror = t.unreached_func('openCursor should succeed');
request.onsuccess = t.step_func(() => {
var cursor = request.result;
assert_not_equals(cursor, null, 'cursor should find a value');
check_method(cursor, 'continue');
});
}, 'IDBCursor continue() method with throwing/invalid keys');
indexeddb_upgrade_only_test((t, db) => {
var store = db.createObjectStore('store');
var index = store.createIndex('index', 'prop');
store.put({prop: 'a'}, 1).onerror = t.unreached_func('put should succeed');
var request = index.openCursor();
request.onerror = t.unreached_func('openCursor should succeed');
request.onsuccess = t.step_func(() => {
var cursor = request.result;
assert_not_equals(cursor, null, 'cursor should find a value');
check_method(cursor, 'continuePrimaryKey', 2);
});
}, null, 'IDBCursor continuePrimaryKey() method with throwing/invalid keys');
// Mutation methods on IDBCursor.
indexeddb_upgrade_only_test((t, db) => {
var store = db.createObjectStore('store', {keyPath: 'prop'});
store.put({prop: 1}).onerror = t.unreached_func('put should succeed');
var request = store.openCursor();
request.onerror = t.unreached_func('openCursor should succeed');
request.onsuccess = t.step_func(() => {
var cursor = request.result;
assert_not_equals(cursor, null, 'cursor should find a value');
var value = {};
var err;
[value.prop, err] = throwing_key('getter');
assert_throws_exactly(err, () => {
cursor.update(value);
}, 'throwing getter should rethrow during clone');
// Throwing from the getter during key conversion is
// not possible since (1) a clone is used, (2) only own
// properties are cloned, and (3) only own properties
// are used for key path evaluation.
value.prop = invalid_key;
assert_throws_dom('DataError', () => {
cursor.update(value);
}, 'key conversion with invalid key should throw DataError');
});
}, 'IDBCursor update() method with throwing/invalid keys');
// Static constructors on IDBKeyRange
['only', 'lowerBound', 'upperBound'].forEach(method => {
test(t => {
check_method(IDBKeyRange, method);
}, 'IDBKeyRange ' + method + '() static with throwing/invalid keys');
});
test(t => {
check_method(IDBKeyRange, 'bound', 2);
}, 'IDBKeyRange bound() static with throwing/invalid keys');
// Insertion methods on IDBObjectStore.
['add', 'put'].forEach(method => {
indexeddb_upgrade_only_test((t, db) => {
var out_of_line = db.createObjectStore('out-of-line keys');
var in_line = db.createObjectStore('in-line keys', {keyPath: 'prop'});
var [key, err] = throwing_key('getter');
assert_throws_exactly(err, () => {
out_of_line[method]('value', key);
}, 'key conversion with throwing getter should rethrow');
assert_throws_dom('DataError', () => {
out_of_line[method]('value', invalid_key);
}, 'key conversion with invalid key should throw DataError');
var value = {};
[value.prop, err] = throwing_key('getter');
assert_throws_exactly(err, () => {
in_line[method](value);
}, 'throwing getter should rethrow during clone');
// Throwing from the getter during key conversion is
// not possible since (1) a clone is used, (2) only own
// properties are cloned, and (3) only own properties
// are used for key path evaluation.
value.prop = invalid_key;
assert_throws_dom('DataError', () => {
in_line[method](value);
}, 'key conversion with invalid key should throw DataError');
}, `IDBObjectStore ${method}() method with throwing/invalid keys`);
});
// Generic (key-or-key-path) methods on IDBObjectStore.
[
'delete', 'get', 'getKey', 'getAll', 'getAllKeys', 'count', 'openCursor',
'openKeyCursor'
].forEach(method => {
indexeddb_upgrade_only_test((t, db) => {
var store = db.createObjectStore('store');
check_method(store, method);
}, `IDBObjectStore ${method}() method with throwing/invalid keys`);
});
// Generic (key-or-key-path) methods on IDBIndex.
[
'get', 'getKey', 'getAll', 'getAllKeys', 'count', 'openCursor',
'openKeyCursor'
].forEach(method => {
indexeddb_upgrade_only_test((t, db) => {
var store = db.createObjectStore('store');
var index = store.createIndex('index', 'keyPath');
check_method(index, method);
}, `IDBIndex ${method}() method with throwing/invalid keys`);
});
</script>
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