mirror of
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93 lines
1.9 KiB
JavaScript
93 lines
1.9 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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function runTest() {
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var xhr = new XMLHttpRequest();
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var events = [];
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function pushEvent(event) {
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var readyState, responseText, status, statusText;
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try {
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readyState = xhr.readyState;
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}
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catch (e) {
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readyState = "[exception]";
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}
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try {
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responseText = xhr.responseText;
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}
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catch (e) {
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responseText = "[exception]";
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}
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try {
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status = xhr.status;
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}
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catch (e) {
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status = "[exception]";
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}
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try {
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statusText = xhr.statusText;
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}
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catch (e) {
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statusText = "[exception]";
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}
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var str = event.type + "(" + readyState + ", '" + responseText + "', " +
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status + ", '" + statusText + "'";
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if ((("ProgressEvent" in this) && event instanceof ProgressEvent) ||
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(("WorkerProgressEvent" in this) && event instanceof WorkerProgressEvent)) {
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str += ", progressEvent";
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}
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str += ")";
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events.push(str);
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}
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xhr.onerror = function(event) {
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throw new Error("Error: " + xhr.statusText);
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}
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xhr.onload = function(event) {
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throw new Error("Shouldn't have gotten load event!");
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};
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var seenAbort;
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xhr.onabort = function(event) {
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if (seenAbort) {
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throw new Error("Already seen the abort event!");
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}
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seenAbort = true;
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pushEvent(event);
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postMessage(events);
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};
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xhr.onreadystatechange = function(event) {
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pushEvent(event);
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if (xhr.readyState == xhr.HEADERS_RECEIVED) {
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xhr.abort();
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}
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};
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xhr.open("GET", "testXHR.txt");
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xhr.overrideMimeType("text/plain");
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xhr.send(null);
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}
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function messageListener(event) {
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switch (event.data) {
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case "start":
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runTest();
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break;
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default:
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throw new Error("Bad message!");
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}
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}
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addEventListener("message", messageListener, false);
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