diff -r 000000000000 -r 6474c204b198 netwerk/test/unit/test_standardurl.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/netwerk/test/unit/test_standardurl.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,170 @@
+const StandardURL = Components.Constructor("@mozilla.org/network/standard-url;1",
+                                           "nsIStandardURL",
+                                           "init");
+const nsIStandardURL = Components.interfaces.nsIStandardURL;
+
+function symmetricEquality(expect, a, b)
+{
+  /* Use if/else instead of |do_check_eq(expect, a.spec == b.spec)| so
+     that we get the specs output on the console if the check fails.
+   */
+  if (expect) {
+    /* Check all the sub-pieces too, since that can help with
+       debugging cases when equals() returns something unexpected */
+    /* We don't check port in the loop, because it can be defaulted in
+       some cases. */
+    ["spec", "prePath", "scheme", "userPass", "username", "password",
+     "hostPort", "host", "path", "filePath", "param", "query",
+     "ref", "directory", "fileName", "fileBaseName", "fileExtension"]
+      .map(function(prop) {
+	dump("Testing '"+ prop + "'\n");
+	do_check_eq(a[prop], b[prop]);
+      });  
+  } else {
+    do_check_neq(a.spec, b.spec);
+  }
+  do_check_eq(expect, a.equals(b));
+  do_check_eq(expect, b.equals(a));
+}
+
+function stringToURL(str) {
+  return (new StandardURL(nsIStandardURL.URLTYPE_AUTHORITY, 80,
+			 str, "UTF-8", null))
+         .QueryInterface(Components.interfaces.nsIURL);
+}
+
+function pairToURLs(pair) {
+  do_check_eq(pair.length, 2);
+  return pair.map(stringToURL);
+}
+
+function test_setEmptyPath()
+{
+  var pairs =
+    [
+     ["http://example.com", "http://example.com/tests/dom/tests"],
+     ["http://example.com:80", "http://example.com/tests/dom/tests"],
+     ["http://example.com:80/", "http://example.com/tests/dom/test"],
+     ["http://example.com/", "http://example.com/tests/dom/tests"],
+     ["http://example.com/a", "http://example.com/tests/dom/tests"],
+     ["http://example.com:80/a", "http://example.com/tests/dom/tests"],
+    ].map(pairToURLs);
+
+  for each (var [provided, target] in pairs)
+  {
+    symmetricEquality(false, target, provided);
+
+    provided.path = "";
+    target.path = "";
+
+    do_check_eq(provided.spec, target.spec);
+    symmetricEquality(true, target, provided);
+  }
+}
+
+function test_setQuery()
+{
+  var pairs =
+    [
+     ["http://example.com", "http://example.com/?foo"],
+     ["http://example.com/bar", "http://example.com/bar?foo"],
+     ["http://example.com#bar", "http://example.com/?foo#bar"],
+     ["http://example.com/#bar", "http://example.com/?foo#bar"],
+     ["http://example.com/?longerthanfoo#bar", "http://example.com/?foo#bar"],
+     ["http://example.com/?longerthanfoo", "http://example.com/?foo"],
+     /* And one that's nonempty but shorter than "foo" */
+     ["http://example.com/?f#bar", "http://example.com/?foo#bar"],
+     ["http://example.com/?f", "http://example.com/?foo"],
+    ].map(pairToURLs);
+
+  for each (var [provided, target] in pairs) {
+    symmetricEquality(false, provided, target);
+
+    provided.query = "foo";
+
+    do_check_eq(provided.spec, target.spec);
+    symmetricEquality(true, provided, target);
+  }
+
+  [provided, target] =
+    ["http://example.com/#", "http://example.com/?foo#bar"].map(stringToURL);
+  symmetricEquality(false, provided, target);
+  provided.query = "foo";
+  symmetricEquality(false, provided, target);
+
+  var newProvided = Components.classes["@mozilla.org/network/io-service;1"]
+                              .getService(Components.interfaces.nsIIOService)
+                              .newURI("#bar", null, provided)
+                              .QueryInterface(Components.interfaces.nsIURL);
+
+  do_check_eq(newProvided.spec, target.spec);
+  symmetricEquality(true, newProvided, target);
+
+}
+		      
+function test_setRef()
+{
+  var tests =
+    [
+     ["http://example.com",      "", "http://example.com/"],
+     ["http://example.com:80",   "", "http://example.com:80/"],
+     ["http://example.com:80/",  "", "http://example.com:80/"],
+     ["http://example.com/",     "", "http://example.com/"],
+     ["http://example.com/a",    "", "http://example.com/a"],
+     ["http://example.com:80/a", "", "http://example.com:80/a"],
+
+     ["http://example.com",      "x", "http://example.com/#x"],
+     ["http://example.com:80",   "x", "http://example.com:80/#x"],
+     ["http://example.com:80/",  "x", "http://example.com:80/#x"],
+     ["http://example.com/",     "x", "http://example.com/#x"],
+     ["http://example.com/a",    "x", "http://example.com/a#x"],
+     ["http://example.com:80/a", "x", "http://example.com:80/a#x"],
+
+     ["http://example.com",      "xx", "http://example.com/#xx"],
+     ["http://example.com:80",   "xx", "http://example.com:80/#xx"],
+     ["http://example.com:80/",  "xx", "http://example.com:80/#xx"],
+     ["http://example.com/",     "xx", "http://example.com/#xx"],
+     ["http://example.com/a",    "xx", "http://example.com/a#xx"],
+     ["http://example.com:80/a", "xx", "http://example.com:80/a#xx"],
+
+     ["http://example.com",      "xxxxxxxxxxxxxx", "http://example.com/#xxxxxxxxxxxxxx"],
+     ["http://example.com:80",   "xxxxxxxxxxxxxx", "http://example.com:80/#xxxxxxxxxxxxxx"],
+     ["http://example.com:80/",  "xxxxxxxxxxxxxx", "http://example.com:80/#xxxxxxxxxxxxxx"],
+     ["http://example.com/",     "xxxxxxxxxxxxxx", "http://example.com/#xxxxxxxxxxxxxx"],
+     ["http://example.com/a",    "xxxxxxxxxxxxxx", "http://example.com/a#xxxxxxxxxxxxxx"],
+     ["http://example.com:80/a", "xxxxxxxxxxxxxx", "http://example.com:80/a#xxxxxxxxxxxxxx"],
+    ];
+
+  for each (var [before, ref, result] in tests)
+  {
+    /* Test1: starting with empty ref */
+    var a = stringToURL(before);
+    a.ref = ref;
+    var b = stringToURL(result);
+
+    do_check_eq(a.spec, b.spec);
+    do_check_eq(ref, b.ref);
+    symmetricEquality(true, a, b);
+
+    /* Test2: starting with non-empty */
+    a.ref = "yyyy";
+    var c = stringToURL(before);
+    c.ref = "yyyy";
+    symmetricEquality(true, a, c);
+
+    /* Test3: reset the ref */
+    a.ref = "";
+    symmetricEquality(true, a, stringToURL(before));
+
+    /* Test4: verify again after reset */
+    a.ref = ref;
+    symmetricEquality(true, a, b);
+  }
+}
+
+function run_test()
+{
+  test_setEmptyPath();
+  test_setQuery();
+  test_setRef();
+}