mozilla-central/dom/indexedDB/test/unit/test_clear.js (file symbol)

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Test Info: Warnings

/**
* Any copyright is dedicated to the Public Domain.
*/
/* exported testGenerator */
var testGenerator = testSteps();
function* testSteps() {
const name = this.window ? window.location.pathname : "Splendid Test";
const entryCount = 1000;
let request = indexedDB.open(name, 1);
request.onerror = errorHandler;
request.onupgradeneeded = grabEventAndContinueHandler;
let event = yield undefined;
let db = request.result;
event.target.onsuccess = continueToNextStep;
let objectStore = db.createObjectStore("foo", { autoIncrement: true });
let firstKey;
for (let i = 0; i < entryCount; i++) {
request = objectStore.add({});
request.onerror = errorHandler;
if (!i) {
request.onsuccess = function (event) {
firstKey = event.target.result;
};
}
}
yield undefined;
isnot(firstKey, undefined, "got first key");
let seenEntryCount = 0;
request = db.transaction("foo").objectStore("foo").openCursor();
request.onerror = errorHandler;
request.onsuccess = function (event) {
let cursor = event.target.result;
if (cursor) {
seenEntryCount++;
cursor.continue();
} else {
continueToNextStep();
}
};
yield undefined;
is(seenEntryCount, entryCount, "Correct entry count");
try {
db.transaction("foo").objectStore("foo").clear();
ok(false, "clear should throw on READ_ONLY transactions");
} catch (e) {
ok(true, "clear should throw on READ_ONLY transactions");
}
request = db.transaction("foo", "readwriteflush").objectStore("foo").clear();
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
ok(event.target.result === undefined, "Correct event.target.result");
ok(request.result === undefined, "Correct request.result");
ok(request === event.target, "Correct event.target");
request = db.transaction("foo").objectStore("foo").openCursor();
request.onerror = errorHandler;
request.onsuccess = function () {
let cursor = request.result;
if (cursor) {
ok(false, "Shouldn't have any entries");
}
continueToNextStep();
};
yield undefined;
request = db.transaction("foo", "readwrite").objectStore("foo").add({});
request.onerror = errorHandler;
request.onsuccess = grabEventAndContinueHandler;
event = yield undefined;
isnot(event.target.result, firstKey, "Got a different key");
finishTest();
}