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92 lines
2.8 KiB
JavaScript
92 lines
2.8 KiB
JavaScript
/**
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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"use strict";
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var self = this;
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var testGenerator = testSteps();
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function testSteps()
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{
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const dbName = self.window ?
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window.location.pathname :
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"test_transaction_abort_hang";
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const objStoreName = "foo";
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const transactionCount = 30;
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let completedTransactionCount = 0;
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let caughtError = false;
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let abortedTransactionIndex = Math.floor(transactionCount / 2);
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if (abortedTransactionIndex % 2 == 0) {
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abortedTransactionIndex++;
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}
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let request = indexedDB.open(dbName, 1);
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request.onerror = errorHandler;
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request.onupgradeneeded = grabEventAndContinueHandler;
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let event = yield undefined;
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request.result.createObjectStore(objStoreName, { autoIncrement: true });
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request.onupgradeneeded = null;
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request.onsuccess = grabEventAndContinueHandler;
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event = yield undefined;
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let db = event.target.result;
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for (let i = 0; i < transactionCount; i++) {
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const readonly = i % 2 == 0;
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const mode = readonly ? "readonly" : "readwrite";
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let transaction = db.transaction(objStoreName, mode);
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if (i == transactionCount - 1) {
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// Last one, finish the test.
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transaction.oncomplete = grabEventAndContinueHandler;
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} else if (i == abortedTransactionIndex - 1) {
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transaction.oncomplete = function(event) {
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ok(true, "Completed transaction " + ++completedTransactionCount +
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" (We may hang after this!)");
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};
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} else if (i == abortedTransactionIndex) {
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// Special transaction that we abort outside the normal event flow.
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transaction.onerror = function(event) {
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ok(true, "Aborted transaction " + ++completedTransactionCount +
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" (We didn't hang!)");
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is(event.target.error.name, "AbortError",
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"AbortError set as the error on the request");
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is(event.target.transaction.error, null,
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"No error set on the transaction");
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ok(!caughtError, "Haven't seen the error event yet");
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caughtError = true;
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event.preventDefault();
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};
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// This has to happen after the we return to the event loop but before the
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// transaction starts running.
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executeSoon(function() { transaction.abort(); });
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} else {
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transaction.oncomplete = function(event) {
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ok(true, "Completed transaction " + ++completedTransactionCount);
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};
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}
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if (readonly) {
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transaction.objectStore(objStoreName).get(0);
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} else {
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try { transaction.objectStore(objStoreName).add({}); } catch(e) { }
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}
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}
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ok(true, "Created all transactions");
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event = yield undefined;
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ok(true, "Completed transaction " + ++completedTransactionCount);
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ok(caughtError, "Caught the error event when we aborted the transaction");
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finishTest();
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yield undefined;
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}
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