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-rw-r--r--netwerk/test/unit/test_reentrancy.js109
1 files changed, 109 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_reentrancy.js b/netwerk/test/unit/test_reentrancy.js
new file mode 100644
index 0000000000..3bd7f54f79
--- /dev/null
+++ b/netwerk/test/unit/test_reentrancy.js
@@ -0,0 +1,109 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+ "resource://testing-common/httpd.sys.mjs"
+);
+
+ChromeUtils.defineLazyGetter(this, "URL", function () {
+ return "http://localhost:" + httpserver.identity.primaryPort;
+});
+
+var httpserver = new HttpServer();
+var testpath = "/simple";
+var httpbody = "<?xml version='1.0' ?><root>0123456789</root>";
+
+function syncXHR() {
+ var xhr = new XMLHttpRequest();
+ xhr.open("GET", URL + testpath, false);
+ xhr.send(null);
+}
+
+const MAX_TESTS = 2;
+
+var listener = {
+ _done_onStart: false,
+ _done_onData: false,
+ _test: 0,
+
+ QueryInterface: ChromeUtils.generateQI([
+ "nsIStreamListener",
+ "nsIRequestObserver",
+ ]),
+
+ onStartRequest(request) {
+ switch (this._test) {
+ case 0:
+ request.suspend();
+ syncXHR();
+ request.resume();
+ break;
+ case 1:
+ request.suspend();
+ syncXHR();
+ executeSoon(function () {
+ request.resume();
+ });
+ break;
+ case 2:
+ executeSoon(function () {
+ request.suspend();
+ });
+ executeSoon(function () {
+ request.resume();
+ });
+ syncXHR();
+ break;
+ }
+
+ this._done_onStart = true;
+ },
+
+ onDataAvailable(request, stream, offset, count) {
+ Assert.ok(this._done_onStart);
+ read_stream(stream, count);
+ this._done_onData = true;
+ },
+
+ onStopRequest(request, status) {
+ Assert.ok(this._done_onData);
+ this._reset();
+ if (this._test <= MAX_TESTS) {
+ next_test();
+ } else {
+ httpserver.stop(do_test_finished);
+ }
+ },
+
+ _reset() {
+ this._done_onStart = false;
+ this._done_onData = false;
+ this._test++;
+ },
+};
+
+function makeChan(url) {
+ return NetUtil.newChannel({
+ uri: url,
+ loadUsingSystemPrincipal: true,
+ }).QueryInterface(Ci.nsIHttpChannel);
+}
+
+function next_test() {
+ var chan = makeChan(URL + testpath);
+ chan.QueryInterface(Ci.nsIRequest);
+ chan.asyncOpen(listener);
+}
+
+function run_test() {
+ httpserver.registerPathHandler(testpath, serverHandler);
+ httpserver.start(-1);
+
+ next_test();
+
+ do_test_pending();
+}
+
+function serverHandler(metadata, response) {
+ response.setHeader("Content-Type", "text/xml", false);
+ response.bodyOutputStream.write(httpbody, httpbody.length);
+}