gecko-dev/dom/indexedDB/test/event_propagation_iframe.html

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
<title>Indexed Database Property Test</title>
<script type="text/javascript">
let testGenerator = testSteps();
function ok(val, message) {
val = val ? "true" : "false";
window.parent.postMessage("SimpleTest.ok(" + val + ", '" + message +
"');", "*");
}
function grabEventAndContinueHandler(event) {
testGenerator.next(event);
}
function errorHandler(event) {
ok(false, "indexedDB error, code " + event.target.error.name);
finishTest();
}
function finishTest() {
testGenerator.return();
window.parent.postMessage("SimpleTest.finish();", "*");
}
const eventChain = [
"IDBRequest",
"IDBTransaction",
"IDBDatabase"
];
let captureCount = 0;
let bubbleCount = 0;
let atTargetCount = 0;
function errorEventCounter(event) {
ok(event.type == "error", "Got an error event");
ok(event.target instanceof window[eventChain[0]],
"Correct event.target");
let constructor;
if (event.eventPhase == event.AT_TARGET) {
atTargetCount++;
constructor = eventChain[0];
}
else if (event.eventPhase == event.CAPTURING_PHASE) {
constructor = eventChain[eventChain.length - 1 - captureCount++];
}
else if (event.eventPhase == event.BUBBLING_PHASE) {
constructor = eventChain[++bubbleCount];
if (bubbleCount == eventChain.length - 1) {
event.preventDefault();
}
}
ok(event.currentTarget instanceof window[constructor],
"Correct event.currentTarget");
if (bubbleCount == eventChain.length - 1) {
ok(bubbleCount == captureCount,
"Got same number of calls for both phases");
ok(atTargetCount == 1, "Got one atTarget event");
captureCount = bubbleCount = atTargetCount = 0;
finishTest();
}
}
function* testSteps() {
window.parent.SpecialPowers.addPermission("indexedDB", true, document);
let request = indexedDB.open(window.location.pathname, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
let event = yield undefined;
let db = event.target.result;
db.onerror = errorEventCounter;
db.addEventListener("error", errorEventCounter, true);
event.target.onsuccess = grabEventAndContinueHandler;
db.createObjectStore("foo", { autoIncrement: true });
yield undefined;
let transaction = db.transaction("foo", "readwrite");
transaction.addEventListener("error", errorEventCounter);
transaction.addEventListener("error", errorEventCounter, true);
let objectStore = transaction.objectStore("foo");
request = objectStore.add({}, 1);
request.onsuccess = grabEventAndContinueHandler;
request.onerror = errorHandler;
event = yield undefined;
request = objectStore.add({}, 1);
request.onsuccess = function(event) {
ok(false, "Did not expect second add to succeed.");
};
request.onerror = errorEventCounter;
yield undefined;
transaction = db.transaction("foo", "readwrite");
transaction.addEventListener("error", errorEventCounter);
transaction.addEventListener("error", errorEventCounter, true);
objectStore = transaction.objectStore("foo");
request = objectStore.add({}, 1);
request.onsuccess = grabEventAndContinueHandler;
request.onerror = errorHandler;
event = yield undefined;
request = objectStore.add({}, 1);
request.onsuccess = function(event) {
ok(false, "Did not expect second add to succeed.");
};
request.onerror = errorEventCounter;
yield undefined;
}
</script>
</head>
<body onload="testGenerator.next();"></body>
</html>