idbindex_keyPath.any.js

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

// META: title=IndexedDB: IDBIndex keyPath attribute

// META: script=resources/support.js

indexeddb_test(

  (t, db) => {

    const store = db.createObjectStore('store', {keyPath: ['a', 'b']});

    store.createIndex('index', ['a', 'b']);

},

  (t, db) => {

    const tx = db.transaction('store', 'readonly', {durability: 'relaxed'});

    const store = tx.objectStore('store');

    const index = store.index('index');

    assert_equals(typeof index.keyPath, 'object', 'keyPath is an object');

    assert_true(Array.isArray(index.keyPath), 'keyPath is an array');

    assert_equals(

      index.keyPath, index.keyPath,

      'Same object instance is returned each time keyPath is inspected');

    const tx2 = db.transaction('store', 'readonly', {durability: 'relaxed'});

    const store2 = tx2.objectStore('store');

    const index2 = store2.index('index');

    assert_not_equals(

      index.keyPath, index2.keyPath,

      'Different instances are returned from different index instances.');

    t.done();

},

  `IDBIndex's keyPath attribute returns the same object.`);

  indexeddb_test(

  (t, db) => {

    const store = db.createObjectStore('store', {autoIncrement: true});

    store.createIndex('index', ['a']);

    store.add({a: 1, b: 2, c: 3})

},

  (t, db) => {

    const tx = db.transaction('store', 'readonly', {durability: 'relaxed'});

    const store = tx.objectStore('store');

    const index = store.index('index');

    const cursorReq = index.openCursor();

    cursorReq.onsuccess = t.step_func_done((e) => {

      const expectedKeyValue = [1];

      const actualKeyValue = e.target.result.key;

      assert_array_equals(actualKeyValue, expectedKeyValue, "An array keypath should yield an array key");

});

},

  `IDBIndex's keyPath array with a single value`);

  indexeddb_test(

  (t, db) => {

    const store = db.createObjectStore('store', {autoIncrement: true});

    store.createIndex('index', ['a', 'b']);

    store.add({a: 1, b: 2, c: 3})

},

  (t, db) => {

    const tx = db.transaction('store', 'readonly', {durability: 'relaxed'});

    const store = tx.objectStore('store');

    const index = store.index('index');

    const cursorReq = index.openCursor();

    cursorReq.onsuccess = t.step_func_done((e) => {

      const expectedKeyValue = [1, 2];

      const actualKeyValue = e.target.result.key;

      assert_array_equals(actualKeyValue, expectedKeyValue, "An array keypath should yield an array key");

});

},

  `IDBIndex's keyPath array with multiple values`);