1 files changed, 91 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_304_headers.js b/netwerk/test/unit/test_304_headers.js
new file mode 100644
index 0000000000..b3583663bf
--- /dev/null
+++ b/netwerk/test/unit/test_304_headers.js
@@ -0,0 +1,91 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+ChromeUtils.defineLazyGetter(this, "URL", function () {
+  return `http://localhost:${httpServer.identity.primaryPort}/test`;
+});
+
+let httpServer = null;
+
+function make_channel(url) {
+  return NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIHttpChannel);
+}
+
+function contentHandler(metadata, response) {
+  response.seizePower();
+  let etag = "";
+  try {
+    etag = metadata.getHeader("If-None-Match");
+  } catch (ex) {}
+
+  if (etag == "test-etag1") {
+    response.write("HTTP/1.1 304 Not Modified\r\n");
+
+    response.write("Link: <ref>; param1=value1\r\n");
+    response.write("Link: <ref2>; param2=value2\r\n");
+    response.write("Link: <ref3>; param1=value1\r\n");
+    response.write("\r\n");
+    response.finish();
+    return;
+  }
+
+  response.write("HTTP/1.1 200 OK\r\n");
+
+  response.write("ETag: test-etag1\r\n");
+  response.write("Link: <ref>; param1=value1\r\n");
+  response.write("Link: <ref2>; param2=value2\r\n");
+  response.write("Link: <ref3>; param1=value1\r\n");
+  response.write("\r\n");
+  response.finish();
+}
+
+add_task(async function test() {
+  httpServer = new HttpServer();
+  httpServer.registerPathHandler("/test", contentHandler);
+  httpServer.start(-1);
+  registerCleanupFunction(async () => {
+    await httpServer.stop();
+  });
+
+  let chan = make_channel(Services.io.newURI(URL));
+  chan.requestMethod = "HEAD";
+  await new Promise(resolve => {
+    chan.asyncOpen({
+      onStopRequest(req, status) {
+        equal(status, Cr.NS_OK);
+        equal(req.QueryInterface(Ci.nsIHttpChannel).responseStatus, 200);
+        equal(
+          req.QueryInterface(Ci.nsIHttpChannel).getResponseHeader("Link"),
+          "<ref>; param1=value1, <ref2>; param2=value2, <ref3>; param1=value1"
+        );
+        resolve();
+      },
+      onStartRequest(req) {},
+      onDataAvailable() {},
+    });
+  });
+
+  chan = make_channel(Services.io.newURI(URL));
+  chan.requestMethod = "HEAD";
+  await new Promise(resolve => {
+    chan.asyncOpen({
+      onStopRequest(req, status) {
+        equal(status, Cr.NS_OK);
+        equal(req.QueryInterface(Ci.nsIHttpChannel).responseStatus, 200);
+        equal(
+          req.QueryInterface(Ci.nsIHttpChannel).getResponseHeader("Link"),
+          "<ref>; param1=value1, <ref2>; param2=value2, <ref3>; param1=value1"
+        );
+        resolve();
+      },
+      onStartRequest(req) {},
+      onDataAvailable() {},
+    });
+  });
+});