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-rw-r--r--testing/web-platform/tests/IndexedDB/transaction-scheduling-within-database.any.js55
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/transaction-scheduling-within-database.any.js b/testing/web-platform/tests/IndexedDB/transaction-scheduling-within-database.any.js
new file mode 100644
index 0000000000..a9a20bae3a
--- /dev/null
+++ b/testing/web-platform/tests/IndexedDB/transaction-scheduling-within-database.any.js
@@ -0,0 +1,55 @@
+// META: script=resources/support.js
+
+indexeddb_test(
+ (t, db) => {
+ const store = db.createObjectStore('store');
+ store.put('value', 'key');
+ },
+
+ (t, db) => {
+ let transaction1GetSuccess = false;
+ let transaction2GetSuccess = false;
+
+ const onTransactionComplete = barrier_func(2, t.step_func_done(() => {
+ assert_true(transaction1GetSuccess,
+ 'transaction1 should have executed at least one request');
+ assert_true(transaction2GetSuccess,
+ 'transaction1 should have executed at least one request');
+ }));
+
+ const transaction1 = db.transaction('store', 'readonly', {durability: 'relaxed'});
+ transaction1.onabort = t.unreached_func('transaction1 should not abort');
+ transaction1.oncomplete = t.step_func(onTransactionComplete);
+
+ const transaction2 = db.transaction('store', 'readonly', {durability: 'relaxed'});
+ transaction2.onabort = t.unreached_func('transaction2 should not abort');
+ transaction2.oncomplete = t.step_func(onTransactionComplete);
+
+ // Keep both transactions alive until each has reported at least one
+ // successful operation
+
+ function doTransaction1Get() {
+ const request = transaction1.objectStore('store').get('key');
+ request.onerror = t.unreached_func('request should not fail');
+ request.onsuccess = t.step_func(() => {
+ transaction1GetSuccess = true;
+ if (!transaction2GetSuccess)
+ doTransaction1Get();
+ });
+ }
+
+ function doTransaction2Get() {
+ // NOTE: No logging since execution order is not deterministic.
+ const request = transaction2.objectStore('store').get('key');
+ request.onerror = t.unreached_func('request should not fail');
+ request.onsuccess = t.step_func(() => {
+ transaction2GetSuccess = true;
+ if (!transaction1GetSuccess)
+ doTransaction2Get();
+ });
+ }
+
+ doTransaction1Get();
+ doTransaction2Get();
+ },
+ 'Check that read-only transactions within a database can run in parallel.');