transaction-scheduling-rw-scopes.any.js

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This WPT test may be referenced by the following Test IDs:
- /IndexedDB/transaction-scheduling-rw-scopes.any.html - WPT Dashboard Interop Dashboard
- /IndexedDB/transaction-scheduling-rw-scopes.any.worker.html - WPT Dashboard Interop Dashboard

// META: script=resources/support.js

indexeddb_test(

  (t, db) => {

    const store = db.createObjectStore('store');

    db.createObjectStore('a');

    db.createObjectStore('b');

    db.createObjectStore('c');

},

  (t, db) => {

    let transaction1Started = false;

    let transaction1Complete = false;

    let transaction2Started = false;

    let transaction2Complete = false;

    let transaction3Started = false;

    let transaction3Complete = false;

    const transaction1 = db.transaction(['a'], 'readwrite');

    let request = transaction1.objectStore('a').get(0);

    request.onerror = t.unreached_func('request should succeed');

    request.onsuccess = t.step_func(() => {

      transaction1Started = true;

});

    transaction1.onabort = t.unreached_func('transaction1 should complete');

    transaction1.oncomplete = t.step_func(() => {

      transaction1Complete = true;

      assert_false(transaction2Started);

      assert_false(transaction3Started);

});

    // transaction2 overlaps with transaction1, so must wait until transaction1

    // completes.

    const transaction2 = db.transaction(['a', 'b'], 'readwrite');

    request = transaction2.objectStore('a').get(0);

    request.onerror = t.unreached_func('request should succeed');

    request.onsuccess = t.step_func(() => {

      assert_true(transaction1Complete);

      transaction2Started = true;

});

    transaction2.onabort = t.unreached_func('transaction2 should complete');

    transaction2.oncomplete = t.step_func(() => {

      transaction2Complete = true;

      assert_false(transaction3Started);

});

    // transaction3 overlaps with transaction2, so must wait until transaction2

    // completes even though it does not overlap with transaction1.

    const transaction3 = db.transaction(['b', 'c'], 'readwrite');

    request = transaction3.objectStore('b').get(0);

    request.onerror = t.unreached_func('request should succeed');

    request.onsuccess = t.step_func(() => {

      assert_true(transaction1Complete);

      assert_true(transaction2Complete);

      transaction3Started = true;

});

    transaction3.onabort = t.unreached_func('transaction3 should complete');

    transaction3.oncomplete = t.step_func_done(() => {

      transaction3Complete = true;

});

},

  "Check that scope restrictions on read-write transactions are enforced.");