1 files changed, 28 insertions, 9 deletions

diff --git a/netwerk/test/unit/test_http3_alt_svc.js b/netwerk/test/unit/test_http3_alt_svc.js
index 201101eb19..46488525ae 100644
--- a/netwerk/test/unit/test_http3_alt_svc.js
+++ b/netwerk/test/unit/test_http3_alt_svc.js
@@ -5,7 +5,7 @@ let h3AltSvc;
 let h3Route;
 let prefs;
 
-let tests = [test_https_alt_svc, testsDone];
+let tests = [test_https_alt_svc, test_https_alt_svc_1, testsDone];
 
 let current_test = 0;
 
@@ -68,7 +68,9 @@ function makeChan(uri) {
   return chan;
 }
 
-let WaitForHttp3Listener = function () {};
+let WaitForHttp3Listener = function (expectedH3Version) {
+  this._expectedH3Version = expectedH3Version;
+};
 
 WaitForHttp3Listener.prototype = {
   onDataAvailableFired: false,
@@ -84,7 +86,7 @@ WaitForHttp3Listener.prototype = {
     read_stream(stream, cnt);
   },
 
-  onStopRequest: function testOnStopRequest(request, status) {
+  onStopRequest: function testOnStopRequest(request) {
     let routed = "NA";
     try {
       routed = request.getRequestHeader("Alt-Used");
@@ -96,13 +98,18 @@ WaitForHttp3Listener.prototype = {
       try {
         httpVersion = request.protocolVersion;
       } catch (e) {}
-      Assert.equal(httpVersion, "h3-29");
+      Assert.equal(httpVersion, this._expectedH3Version);
       run_next_test();
     } else {
       dump("poll later for alt svc mapping\n");
       do_test_pending();
       do_timeout(500, () => {
-        doTest(this.uri, this.expectedRoute, this.h3AltSvc);
+        doTest(
+          this.uri,
+          this.expectedRoute,
+          this.h3AltSvc,
+          this._expectedH3Version
+        );
       });
     }
 
@@ -110,9 +117,9 @@ WaitForHttp3Listener.prototype = {
   },
 };
 
-function doTest(uri, expectedRoute, altSvc) {
+function doTest(uri, expectedRoute, altSvc, expectedH3Version) {
   let chan = makeChan(uri);
-  let listener = new WaitForHttp3Listener();
+  let listener = new WaitForHttp3Listener(expectedH3Version);
   listener.uri = uri;
   listener.expectedRoute = expectedRoute;
   listener.h3AltSvc = altSvc;
@@ -121,11 +128,23 @@ function doTest(uri, expectedRoute, altSvc) {
 }
 
 // Test Alt-Svc for http3.
-// H2 server returns alt-svc=h2=foo2.example.com:8000,h3-29=:h3port,h3-30=foo2.example.com:8443
+// H2 server returns alt-svc=h2=foo2.example.com:8000,h3-29=:h3port
 function test_https_alt_svc() {
   dump("test_https_alt_svc()\n");
   do_test_pending();
-  doTest(httpsOrigin + "http3-test2", h3Route, h3AltSvc);
+  doTest(httpsOrigin + "http3-test2", h3Route, h3AltSvc, "h3-29");
+}
+
+// Test if we use the latest version of HTTP/3.
+// H2 server returns alt-svc=h3-29=:h3port,h3=:h3port
+function test_https_alt_svc_1() {
+  // Close the previous connection and clear alt-svc mappings.
+  Services.obs.notifyObservers(null, "last-pb-context-exited");
+  Services.obs.notifyObservers(null, "net:cancel-all-connections");
+  do_test_pending();
+  do_timeout(1000, () => {
+    doTest(httpsOrigin + "http3-test3", h3Route, h3AltSvc, "h3");
+  });
 }
 
 function testsDone() {