55 lines
1.9 KiB
JavaScript
55 lines
1.9 KiB
JavaScript
// META: script=resources/support.js
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indexeddb_test(
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(t, db) => {
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const store = db.createObjectStore('store');
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store.put('value', 'key');
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},
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(t, db) => {
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let transaction1GetSuccess = false;
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let transaction2GetSuccess = false;
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const onTransactionComplete = barrier_func(2, t.step_func_done(() => {
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assert_true(transaction1GetSuccess,
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'transaction1 should have executed at least one request');
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assert_true(transaction2GetSuccess,
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'transaction1 should have executed at least one request');
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}));
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const transaction1 = db.transaction('store', 'readonly');
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transaction1.onabort = t.unreached_func('transaction1 should not abort');
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transaction1.oncomplete = t.step_func(onTransactionComplete);
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const transaction2 = db.transaction('store', 'readonly');
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transaction2.onabort = t.unreached_func('transaction2 should not abort');
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transaction2.oncomplete = t.step_func(onTransactionComplete);
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// Keep both transactions alive until each has reported at least one
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// successful operation
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function doTransaction1Get() {
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const request = transaction1.objectStore('store').get('key');
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request.onerror = t.unreached_func('request should not fail');
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request.onsuccess = t.step_func(() => {
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transaction1GetSuccess = true;
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if (!transaction2GetSuccess)
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doTransaction1Get();
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});
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}
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function doTransaction2Get() {
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// NOTE: No logging since execution order is not deterministic.
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const request = transaction2.objectStore('store').get('key');
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request.onerror = t.unreached_func('request should not fail');
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request.onsuccess = t.step_func(() => {
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transaction2GetSuccess = true;
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if (!transaction1GetSuccess)
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doTransaction2Get();
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});
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}
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doTransaction1Get();
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doTransaction2Get();
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},
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'Check that read-only transactions within a database can run in parallel.');
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