| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>KV Storage: backingStore getter</title> |
| <!-- See https://github.com/WICG/kv-storage/issues/45 --> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script type="module"> |
| import storage from "std:kv-storage"; |
| |
| test(() => { |
| assert_equals(storage.backingStore, storage.backingStore); |
| }, "backingStore must return the same object each time"); |
| |
| test(() => { |
| assert_true(Object.isFrozen(storage.backingStore)); |
| }, "backingStore must be a frozen object"); |
| |
| test(() => { |
| const { backingStore } = storage; |
| assert_array_equals(Object.keys(backingStore), ["database", "store", "version"], "property names"); |
| assert_array_equals(Object.getOwnPropertySymbols(backingStore), [], "no symbols") |
| assert_own_property(backingStore, "database"); |
| assert_own_property(backingStore, "store"); |
| assert_own_property(backingStore, "version"); |
| assert_equals(Object.getPrototypeOf(backingStore), Object.prototype); |
| |
| assert_equals(backingStore.database, "kv-storage:default"); |
| assert_equals(backingStore.store, "store"); |
| assert_equals(backingStore.version, 1); |
| }, "backingStore object must have the right shape"); |
| </script> |
