<!DOCTYPE html> <meta charset=utf-8> <title>Cross-realm IDBIndex methods from detached iframe work as expected</title> <script src=/resources/testharness.js></script> <script src=/resources/testharnessreport.js></script> <script src=resources/support.js></script> <body> <script> "use strict"; const INDEX_LOWER = 1000; const INDEX_UPPER = 1001; const INDEX_RANGE = IDBKeyRange.bound(INDEX_LOWER, INDEX_UPPER); const testCases = [ { methodName: "get", arguments: [INDEX_LOWER], validateResult: e => { assert_equals(e.target.result.indexedKey, INDEX_LOWER); }, }, { methodName: "getKey", arguments: [INDEX_UPPER], validateResult: e => { assert_equals(e.target.result, INDEX_UPPER); }, }, { methodName: "getAll", arguments: [INDEX_RANGE], validateResult: e => { assert_array_equals(e.target.result.map(v => v.indexedKey), [INDEX_LOWER, INDEX_UPPER]); }, }, { methodName: "getAllKeys", arguments: [INDEX_RANGE], validateResult: e => { assert_array_equals(e.target.result, [INDEX_LOWER, INDEX_UPPER]); }, }, { methodName: "count", arguments: [INDEX_RANGE], validateResult: e => { assert_equals(e.target.result, 2); }, }, { methodName: "openCursor", arguments: [], validateResult: e => { const cursor = e.target.result; assert_true(cursor instanceof IDBCursor); assert_equals(cursor.value.indexedKey, INDEX_LOWER); }, }, { methodName: "openKeyCursor", arguments: [], validateResult: e => { const cursor = e.target.result; assert_true(cursor instanceof IDBCursor); assert_equals(cursor.key, INDEX_LOWER); }, }, ]; for (const testCase of testCases) { async_test(t => { const iframe = document.createElement("iframe"); iframe.onload = t.step_func(() => { const method = iframe.contentWindow.IDBIndex.prototype[testCase.methodName]; iframe.remove(); let db; const open_rq = createdb(t); open_rq.onupgradeneeded = t.step_func(e => { db = e.target.result; const objectStore = db.createObjectStore("store"); objectStore.createIndex("index", "indexedKey"); objectStore.add({ indexedKey: INDEX_LOWER }, INDEX_LOWER); objectStore.add({ indexedKey: INDEX_UPPER }, INDEX_UPPER); }); open_rq.onsuccess = t.step_func(() => { const index = db.transaction("store", "readonly", {durability: 'relaxed'}).objectStore("store").index("index"); const rq = method.call(index, ...testCase.arguments); rq.onsuccess = t.step_func_done(e => { testCase.validateResult(e); }); }); }); document.body.append(iframe); }, `Cross-realm IDBIndex::${testCase.methodName}() method from detached <iframe> works as expected`); } </script>