// META: global=window,worker
// META: title=IndexedDB: IDBCursor continuePrimaryKey() exception throwing
// META: script=resources/support.js

// Spec: https://w3c.github.io/IndexedDB/#dom-idbcursor-continueprimarykey

'use strict';

async_test(t => {
  const dbname = location + '-' + t.name;
  const del = indexedDB.deleteDatabase(dbname);
  del.onerror = t.unreached_func('deleteDatabase should succeed');
  const open = indexedDB.open(dbname);
  open.onerror = t.unreached_func('open should succeed');

  open.onupgradeneeded = t.step_func((e) => {
    const db = open.result;
    t.add_cleanup((e) => {
      db.close();
      indexedDB.deleteDatabase(db.name);
    });
    const store = db.createObjectStore('store');
    store.put('a', 1).onerror = t.unreached_func('put should not fail');
    const request = store.openCursor();
    request.onerror = t.unreached_func('openCursor should not fail');
    request.onsuccess = t.step_func((e) => {
      const cursor = request.result;
      assert_class_string(
          cursor, 'IDBCursorWithValue', 'result should be a cursor');

      assert_throws_dom('InvalidAccessError', function() {
        cursor.continuePrimaryKey(2, 2);
      }, 'continuePrimaryKey() should throw if source is not an index');
    });
  });

  open.onsuccess = t.step_func((e) => {
    const db = open.result;
    db.close();
    t.done();
  });
}, 'IDBCursor continuePrimaryKey() on object store cursor');

const testcases = [
  {
    direction: 'nextunique',
    expected_key: 1,
    expected_primaryKey: 'a',
    continue_key: 2,
    continue_primaryKey: 'a'
  },
  {
    direction: 'prevunique',
    expected_key: 3,
    expected_primaryKey: 'a',
    continue_key: 2,
    continue_primaryKey: 'a'
  }
];

testcases.forEach(function(testcase) {
  async_test(t => {
    const dbname = location + '-' + t.name;
    const del = indexedDB.deleteDatabase(dbname);
    del.onerror = t.unreached_func('deleteDatabase should succeed');
    const open = indexedDB.open(dbname);
    open.onerror = t.unreached_func('open should succeed');

    open.onupgradeneeded = t.step_func(() => {
      const db = open.result;
      t.add_cleanup((e) => {
        db.close();
        indexedDB.deleteDatabase(db.name);
      });
      const store = db.createObjectStore('store', {keyPath: 'pk'});
      const index = store.createIndex('index', 'ik', {multiEntry: true});
      store.put({pk: 'a', ik: [1, 2, 3]}).onerror =
          t.unreached_func('put should not fail');
      store.put({pk: 'b', ik: [1, 2, 3]}).onerror =
          t.unreached_func('put should not fail');
      const request = index.openKeyCursor(null, testcase.direction);
      request.onerror = t.unreached_func('openCursor should not fail');
      request.onsuccess = t.step_func((e) => {
        const cursor = request.result;
        assert_class_string(cursor, 'IDBCursor', 'result should be a cursor');
        assert_equals(
            cursor.direction, testcase.direction,
            'direction should be as specified');
        assert_equals(cursor.key, testcase.expected_key, 'key should match');
        assert_equals(
            cursor.primaryKey, testcase.expected_primaryKey,
            'primaryKey should match');

        assert_throws_dom('InvalidAccessError', () => {
          cursor.continuePrimaryKey(
              testcase.continue_key, testcase.continue_primaryKey);
        }, 'continuePrimaryKey() should throw if direction is unique');
      });
    });

    open.onsuccess = t.step_func(() => {
      const db = open.result;
      db.close();
      t.done();
    });
  }, 'IDBCursor continuePrimaryKey() on "' + testcase.direction + '" cursor');
});