72 lines
2.5 KiB
JavaScript
72 lines
2.5 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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},
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(t, db1) => {
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// Open a second connection to the same database.
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const open_request = indexedDB.open(db1.name);
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open_request.onerror = t.unreached_func('open() should succeed');
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open_request.onupgradeneeded =
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t.unreached_func('second connection should not upgrade');
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open_request.onsuccess = t.step_func(() => {
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const db2 = open_request.result;
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t.add_cleanup(() => { db2.close(); });
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const transaction1 = db1.transaction('store', 'readwrite');
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transaction1.onabort = t.unreached_func('transaction1 should complete');
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const transaction2 = db2.transaction('store', 'readwrite');
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transaction2.onabort = t.unreached_func('transaction2 should complete');
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let transaction1PutSuccess = false;
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let transaction1Complete = false;
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let transaction2PutSuccess = false;
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// Keep transaction1 alive for a while and ensure transaction2
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// doesn't start.
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let count = 0;
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(function doTransaction1Put() {
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const request = transaction1.objectStore('store').put(1, count++);
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request.onerror = t.unreached_func('request should succeed');
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request.onsuccess = t.step_func(evt => {
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transaction1PutSuccess = true;
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if (count < 5) {
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doTransaction1Put();
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}
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});
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}());
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transaction1.oncomplete = t.step_func(evt => {
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transaction1Complete = true;
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assert_false(
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transaction2PutSuccess,
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'transaction1 should complete before transaction2 put succeeds');
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});
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const request = transaction2.objectStore('store').put(2, 0);
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request.onerror = t.unreached_func('request should succeed');
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request.onsuccess = t.step_func(evt => {
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transaction2PutSuccess = true;
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assert_true(
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transaction1Complete,
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'transaction2 put should not succeed before transaction1 completes');
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});
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transaction2.oncomplete = t.step_func_done(evt => {
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assert_true(
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transaction1PutSuccess,
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'transaction1 put should succeed before transaction2 runs');
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assert_true(
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transaction1Complete,
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'transaction1 should complete before transaction2 runs');
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assert_true(
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transaction2PutSuccess,
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'transaction2 put should succeed before transaction2 completes');
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});
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});
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},
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"Check that readwrite transactions with overlapping scopes do not run in parallel.");
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