зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
5.0 KiB
HTML
135 строки
5.0 KiB
HTML
<!doctype html>
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<meta charset="utf8">
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<title>IndexedDB: IDBCursor method continuePrimaryKey()</title>
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<link rel="help"
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href="http://w3c.github.io/IndexedDB/#dom-idbcursor-continueprimarykey">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="support.js"></script>
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<script>
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'use strict';
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indexeddb_test(
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(t, db, txn) => {
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const store = db.createObjectStore('store');
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const index = store.createIndex('index', 'indexKey', {multiEntry: true});
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store.put({indexKey: ['a', 'b']}, 1);
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store.put({indexKey: ['a', 'b']}, 2);
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store.put({indexKey: ['a', 'b']}, 3);
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store.put({indexKey: ['b']}, 4);
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const expectedIndexEntries = [
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{key: "a", primaryKey: 1},
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{key: "a", primaryKey: 2},
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{key: "a", primaryKey: 3},
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{key: "b", primaryKey: 1},
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{key: "b", primaryKey: 2},
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{key: "b", primaryKey: 3},
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{key: "b", primaryKey: 4},
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];
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const request = index.openCursor();
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request.onerror = t.unreached_func('IDBIndex.openCursor should not fail');
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request.onsuccess = t.step_func(() => {
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const cursor = request.result;
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const expectedEntry = expectedIndexEntries.shift();
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if (expectedEntry) {
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assert_equals(cursor.key, expectedEntry.key,
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'The index entry keys should reflect the object store contents');
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assert_equals(cursor.primaryKey, expectedEntry.primaryKey,
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'The index entry primary keys should reflect the object store ' +
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'contents');
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cursor.continue();
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} else {
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assert_equals(cursor, null,
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'The index should not have entries that do not reflect the ' +
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'object store contents');
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}
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});
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},
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(t, db) => {
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const testCases = [
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// Continuing index key
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{ call: cursor => { cursor.continue(); },
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result: { key: "a", primaryKey: 2 } },
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{ call: cursor => { cursor.continue('a'); },
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exception: 'DataError' },
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{ call: cursor => { cursor.continue('b'); },
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result: { key: "b", primaryKey: 1 } },
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{ call: cursor => { cursor.continue('c'); }, result: null },
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// Called w/ index key and primary key:
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{ call: cursor => { cursor.continuePrimaryKey('a', 3); },
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result: { key: 'a', primaryKey: 3 } },
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{ call: cursor => { cursor.continuePrimaryKey('a', 4); },
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result: { key: 'b', primaryKey: 1 } },
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{ call: cursor => { cursor.continuePrimaryKey('b', 1); },
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result: {key: 'b', primaryKey: 1} },
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{ call: cursor => { cursor.continuePrimaryKey('b', 4); },
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result: {key: 'b', primaryKey: 4} },
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{ call: cursor => { cursor.continuePrimaryKey('b', 5); },
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result: null },
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{ call: cursor => { cursor.continuePrimaryKey('c', 1); },
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result: null },
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// Called w/ primary key but w/o index key
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{ call: cursor => { cursor.continuePrimaryKey(null, 1); },
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exception: 'DataError' },
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{ call: cursor => { cursor.continuePrimaryKey(null, 2); },
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exception: 'DataError' },
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{ call: cursor => { cursor.continuePrimaryKey(null, 3); },
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exception: 'DataError' },
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{ call: cursor => { cursor.continuePrimaryKey(null, 4); },
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exception: 'DataError' },
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{ call: cursor => { cursor.continuePrimaryKey(null, 5); },
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exception: 'DataError' },
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// Called w/ index key but w/o primary key
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{ call: cursor => { cursor.continuePrimaryKey('a', null); },
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exception: 'DataError' },
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];
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const verifyContinueCalls = () => {
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if (!testCases.length) {
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t.done();
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return;
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}
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const testCase = testCases.shift();
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const txn = db.transaction('store');
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txn.oncomplete = t.step_func(verifyContinueCalls);
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const request = txn.objectStore('store').index('index').openCursor();
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let calledContinue = false;
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request.onerror =
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t.unreached_func('IDBIndex.openCursor should not fail');
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request.onsuccess = t.step_func(() => {
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const cursor = request.result;
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if (calledContinue) {
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if (testCase.result) {
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assert_equals(cursor.key, testCase.result.key,
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`${testCase.call.toString()} - result key`);
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assert_equals(cursor.primaryKey, testCase.result.primaryKey,
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`${testCase.call.toString()} - result primary key`);
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} else {
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assert_equals(cursor, null);
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}
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} else {
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calledContinue = true;
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if('exception' in testCase) {
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assert_throws(
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testCase.exception, () => { testCase.call(cursor); },
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testCase.call.toString());
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} else {
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testCase.call(cursor);
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}
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}
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});
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};
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verifyContinueCalls();
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});
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</script>
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