1 files changed, 157 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug894586.js b/netwerk/test/unit/test_bug894586.js
new file mode 100644
index 0000000000..a3d1b78c29
--- /dev/null
+++ b/netwerk/test/unit/test_bug894586.js
@@ -0,0 +1,157 @@
+/*
+ * Tests for bug 894586: nsSyncLoadService::PushSyncStreamToListener
+ * should not fail for channels of unknown size
+ */
+
+"use strict";
+
+var contentSecManager = Cc["@mozilla.org/contentsecuritymanager;1"].getService(
+  Ci.nsIContentSecurityManager
+);
+
+function ProtocolHandler() {
+  this.uri = Cc["@mozilla.org/network/simple-uri-mutator;1"]
+    .createInstance(Ci.nsIURIMutator)
+    .setSpec(this.scheme + ":dummy")
+    .finalize();
+}
+
+ProtocolHandler.prototype = {
+  /** nsIProtocolHandler */
+  get scheme() {
+    return "x-bug894586";
+  },
+  get defaultPort() {
+    return -1;
+  },
+  get protocolFlags() {
+    return (
+      Ci.nsIProtocolHandler.URI_NORELATIVE |
+      Ci.nsIProtocolHandler.URI_NOAUTH |
+      Ci.nsIProtocolHandler.URI_IS_UI_RESOURCE |
+      Ci.nsIProtocolHandler.URI_IS_LOCAL_RESOURCE |
+      Ci.nsIProtocolHandler.URI_NON_PERSISTABLE |
+      Ci.nsIProtocolHandler.URI_SYNC_LOAD_IS_OK
+    );
+  },
+  newChannel(aURI, aLoadInfo) {
+    this.loadInfo = aLoadInfo;
+    return this;
+  },
+  allowPort(port, scheme) {
+    return port != -1;
+  },
+
+  /** nsIChannel */
+  get originalURI() {
+    return this.uri;
+  },
+  get URI() {
+    return this.uri;
+  },
+  owner: null,
+  notificationCallbacks: null,
+  get securityInfo() {
+    return null;
+  },
+  get contentType() {
+    return "text/css";
+  },
+  set contentType(val) {},
+  contentCharset: "UTF-8",
+  get contentLength() {
+    return -1;
+  },
+  set contentLength(val) {
+    throw Components.Exception(
+      "Setting content length",
+      Cr.NS_ERROR_NOT_IMPLEMENTED
+    );
+  },
+  open() {
+    // throws an error if security checks fail
+    contentSecManager.performSecurityCheck(this, null);
+
+    var file = do_get_file("test_bug894586.js", false);
+    Assert.ok(file.exists());
+    var url = Services.io.newFileURI(file);
+    return NetUtil.newChannel({
+      uri: url,
+      loadUsingSystemPrincipal: true,
+    }).open();
+  },
+  asyncOpen(aListener, aContext) {
+    throw Components.Exception("Not implemented", Cr.NS_ERROR_NOT_IMPLEMENTED);
+  },
+  contentDisposition: Ci.nsIChannel.DISPOSITION_INLINE,
+  get contentDispositionFilename() {
+    throw Components.Exception("No file name", Cr.NS_ERROR_NOT_AVAILABLE);
+  },
+  get contentDispositionHeader() {
+    throw Components.Exception("No header", Cr.NS_ERROR_NOT_AVAILABLE);
+  },
+
+  /** nsIRequest */
+  get name() {
+    return this.uri.spec;
+  },
+  isPending: () => false,
+  get status() {
+    return Cr.NS_OK;
+  },
+  cancel(status) {},
+  loadGroup: null,
+  loadFlags:
+    Ci.nsIRequest.LOAD_NORMAL |
+    Ci.nsIRequest.INHIBIT_CACHING |
+    Ci.nsIRequest.LOAD_BYPASS_CACHE,
+
+  /** nsIFactory */
+  createInstance(aOuter, aIID) {
+    if (aOuter) {
+      throw Components.Exception(
+        "createInstance no aggregation",
+        Cr.NS_ERROR_NO_AGGREGATION
+      );
+    }
+    return this.QueryInterface(aIID);
+  },
+  lockFactory() {},
+
+  /** nsISupports */
+  QueryInterface: ChromeUtils.generateQI([
+    "nsIProtocolHandler",
+    "nsIRequest",
+    "nsIChannel",
+    "nsIFactory",
+  ]),
+  classID: Components.ID("{16d594bc-d9d8-47ae-a139-ea714dc0c35c}"),
+};
+
+/**
+ * Attempt a sync load; we use the stylesheet service to do this for us,
+ * based on the knowledge that it forces a sync load under the hood.
+ */
+function run_test() {
+  var handler = new ProtocolHandler();
+  var registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+  registrar.registerFactory(
+    handler.classID,
+    "",
+    "@mozilla.org/network/protocol;1?name=" + handler.scheme,
+    handler
+  );
+  try {
+    var ss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(
+      Ci.nsIStyleSheetService
+    );
+    ss.loadAndRegisterSheet(handler.uri, Ci.nsIStyleSheetService.AGENT_SHEET);
+    Assert.ok(
+      ss.sheetRegistered(handler.uri, Ci.nsIStyleSheetService.AGENT_SHEET)
+    );
+  } finally {
+    registrar.unregisterFactory(handler.classID, handler);
+  }
+}
+
+// vim: set et ts=2 :