gecko/dom/workers/test/xhr2_worker.js

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/**
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
onmessage = function(event) {
const url = event.data;
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
xhr.send();
const refText = xhr.responseText;
function getResponse(type) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
if (type !== undefined) {
xhr.responseType = type;
}
xhr.send();
return xhr.response;
}
if (getResponse() != refText) {
throw new Error("unset responseType failed");
}
if (getResponse("") != refText) {
throw new Error("'' responseType failed");
}
if (getResponse("text") != refText) {
throw new Error("'text' responseType failed");
}
var array = new Uint8Array(getResponse("arraybuffer"));
if (String.fromCharCode.apply(String, array) != refText) {
throw new Error("'arraybuffer' responseType failed");
}
var blob = getResponse("blob");
if (new FileReaderSync().readAsText(blob) != refText) {
throw new Error("'blob' responseType failed");
}
// Make sure that we get invalid state exceptions when getting the wrong
// property.
function testResponseTextException(type) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
xhr.responseType = type;
xhr.send();
var exception;
try {
xhr.responseText;
}
catch(e) {
exception = e;
}
if (!exception || exception.code != DOMException.INVALID_STATE_ERR) {
throw new Error("Failed to throw when getting responseText on '" + type +
"' type");
}
}
testResponseTextException("arraybuffer");
testResponseTextException("blob");
// Make sure "document" works, but returns text.
xhr = new XMLHttpRequest();
if (xhr.responseType != "text") {
throw new Error("Default value for responseType is wrong!");
}
xhr.open("GET", url, false);
xhr.responseType = "document";
xhr.send();
if (xhr.responseText != refText) {
throw new Error("'document' type not working correctly");
}
// Make sure setting responseType before open or after send fails.
var exception;
xhr = new XMLHttpRequest();
try {
xhr.responseType = "arraybuffer";
}
catch(e) {
exception = e;
}
if (!exception || exception.code != DOMException.INVALID_STATE_ERR) {
throw new Error("Failed to throw when setting responseType before " +
"calling open()");
}
xhr.open("GET", url);
xhr.responseType = "text";
xhr.onload = function(event) {
if (event.target.response != refText) {
throw new Error("Bad response!");
}
xhr = new XMLHttpRequest();
xhr.open("GET", url);
xhr.responseType = "moz-chunked-text";
var lastIndex = 0;
xhr.onprogress = function(event) {
if (refText.substr(lastIndex, xhr.response.length) != xhr.response) {
throw new Error("Bad chunk!");
}
lastIndex += xhr.response.length;
};
xhr.onload = function(event) {
if (lastIndex != refText.length) {
throw new Error("Didn't see all the data!");
}
setTimeout(function() {
if (xhr.response !== null) {
throw new Error("Should have gotten null response outside of event!");
}
postMessage("done");
}, 0);
}
xhr.send(null);
};
xhr.send();
exception = null;
try {
xhr.responseType = "arraybuffer";
}
catch(e) {
exception = e;
}
if (!exception || exception.code != DOMException.INVALID_STATE_ERR) {
throw new Error("Failed to throw when setting responseType after " +
"calling send()");
}
}