idbcursor-direction.any.js

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This WPT test may be referenced by the following Test IDs:
- /IndexedDB/idbcursor-direction.any.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-direction.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-direction.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /IndexedDB/idbcursor-direction.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// META: title=IDBCursor.direction

// META: script=resources/support.js

'use strict';

function cursor_direction(constant, dir) {

  let db;

  let t = async_test('IDBCursor.direction - ' + dir);

  let expected = dir ? dir : 'next';

  let open_rq = createdb(t);

  open_rq.onupgradeneeded = function(e) {

    db = e.target.result;

    t.add_cleanup(function() {

      db.close();

      indexedDB.deleteDatabase(db.name);

});

    let objStore = db.createObjectStore('test');

    objStore.add('data', 'key');

};

  open_rq.onsuccess = t.step_func(function(e) {

    let cursor_rq;

    let count = 0;

    let os = db.transaction('test', 'readonly').objectStore('test');

    if (dir)

      cursor_rq = os.openCursor(undefined, dir);

    else

      cursor_rq = os.openCursor();

    cursor_rq.onsuccess = t.step_func(function(e) {

      let cursor = e.target.result;

      assert_equals(cursor.direction, constant, 'direction constant');

      assert_equals(cursor.direction, expected, 'direction');

      assert_readonly(cursor, 'direction');

      count++;

      if (count >= 2)

        t.done();

});

    let cursor_rq2 = db.transaction('test', 'readonly')

                         .objectStore('test')

                         .openCursor(undefined, constant);

    cursor_rq2.onsuccess = t.step_func(function(e) {

      let cursor = e.target.result;

      assert_equals(

          cursor.direction, constant, 'direction constant (second try)');

      assert_equals(cursor.direction, expected, 'direction (second try)');

      assert_readonly(cursor, 'direction');

      count++;

      if (count >= 2)

        t.done();

});

});

cursor_direction('next');

cursor_direction('next', 'next');

cursor_direction('prev', 'prev');

cursor_direction('nextunique', 'nextunique');

cursor_direction('prevunique', 'prevunique');