1 files changed, 160 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug490095.js b/netwerk/test/unit/test_bug490095.js
new file mode 100644
index 0000000000..4e0a37e450
--- /dev/null
+++ b/netwerk/test/unit/test_bug490095.js
@@ -0,0 +1,160 @@
+//
+// Verify that the VALIDATE_NEVER and LOAD_FROM_CACHE flags override
+// heuristic query freshness as defined in RFC 2616 section 13.9
+//
+
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+var httpserver = new HttpServer();
+var index = 0;
+var tests = [
+  { url: "/freshness?a", server: "0", expected: "0" },
+  { url: "/freshness?a", server: "1", expected: "1" },
+
+  // Setting the VALIDATE_NEVER flag should grab entry from cache
+  {
+    url: "/freshness?a",
+    server: "2",
+    expected: "1",
+    flags: Ci.nsIRequest.VALIDATE_NEVER,
+  },
+
+  // Finally, check that request is validated with no flags set
+  { url: "/freshness?a", server: "99", expected: "99" },
+
+  { url: "/freshness?b", server: "0", expected: "0" },
+  { url: "/freshness?b", server: "1", expected: "1" },
+
+  // Setting the LOAD_FROM_CACHE flag also grab the entry from cache
+  {
+    url: "/freshness?b",
+    server: "2",
+    expected: "1",
+    flags: Ci.nsIRequest.LOAD_FROM_CACHE,
+  },
+
+  // Finally, check that request is validated with no flags set
+  { url: "/freshness?b", server: "99", expected: "99" },
+];
+
+function logit(i, data) {
+  dump(
+    tests[i].url +
+      "\t requested [" +
+      tests[i].server +
+      "]" +
+      " got [" +
+      data +
+      "] expected [" +
+      tests[i].expected +
+      "]"
+  );
+  if (tests[i].responseheader) {
+    dump("\t[" + tests[i].responseheader + "]");
+  }
+  dump("\n");
+}
+
+function setupChannel(suffix, value) {
+  var chan = NetUtil.newChannel({
+    uri: "http://localhost:" + httpserver.identity.primaryPort + suffix,
+    loadUsingSystemPrincipal: true,
+  });
+  var httpChan = chan.QueryInterface(Ci.nsIHttpChannel);
+  httpChan.requestMethod = "GET";
+  httpChan.setRequestHeader("x-request", value, false);
+  return httpChan;
+}
+
+function triggerNextTest() {
+  var test = tests[index];
+  var channel = setupChannel(test.url, test.server);
+  if (test.flags) {
+    channel.loadFlags = test.flags;
+  }
+  channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
+}
+
+function checkValueAndTrigger(request, data, ctx) {
+  logit(index, data);
+  Assert.equal(tests[index].expected, data);
+
+  if (index < tests.length - 1) {
+    index++;
+    // this call happens in onStopRequest from the channel, and opening a
+    // new channel to the same url here is no good idea...  post it instead
+    do_timeout(1, triggerNextTest);
+  } else {
+    httpserver.stop(do_test_finished);
+  }
+}
+
+function run_test() {
+  httpserver.registerPathHandler("/freshness", handler);
+  httpserver.start(-1);
+
+  // clear cache
+  evict_cache_entries();
+
+  triggerNextTest();
+
+  do_test_pending();
+}
+
+function handler(metadata, response) {
+  var body = metadata.getHeader("x-request");
+  response.setHeader("Content-Type", "text/plain", false);
+  response.setHeader("Date", getDateString(0), false);
+  response.setHeader("Cache-Control", "max-age=0", false);
+
+  var header = tests[index].responseheader;
+  if (header == null) {
+    response.setHeader("Last-Modified", getDateString(-1), false);
+  } else {
+    var splitHdr = header.split(": ");
+    response.setHeader(splitHdr[0], splitHdr[1], false);
+  }
+
+  response.setStatusLine(metadata.httpVersion, 200, "OK");
+  response.bodyOutputStream.write(body, body.length);
+}
+
+function getDateString(yearDelta) {
+  var months = [
+    "Jan",
+    "Feb",
+    "Mar",
+    "Apr",
+    "May",
+    "Jun",
+    "Jul",
+    "Aug",
+    "Sep",
+    "Oct",
+    "Nov",
+    "Dec",
+  ];
+  var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
+
+  var d = new Date();
+  return (
+    days[d.getUTCDay()] +
+    ", " +
+    d.getUTCDate() +
+    " " +
+    months[d.getUTCMonth()] +
+    " " +
+    (d.getUTCFullYear() + yearDelta) +
+    " " +
+    d.getUTCHours() +
+    ":" +
+    d.getUTCMinutes() +
+    ":" +
+    d.getUTCSeconds() +
+    " UTC"
+  );
+}