diff -r 000000000000 -r 6474c204b198 services/sync/tests/unit/test_utils_passphrase.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/services/sync/tests/unit/test_utils_passphrase.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,73 @@
+Cu.import("resource://services-sync/util.js");
+
+function run_test() {
+  _("Generated passphrase has length 26.");
+  let pp = Utils.generatePassphrase();
+  do_check_eq(pp.length, 26);
+
+  const key = "abcdefghijkmnpqrstuvwxyz23456789";
+  _("Passphrase only contains [" + key + "].");
+  do_check_true(pp.split('').every(function(chr) key.indexOf(chr) != -1));
+
+  _("Hyphenated passphrase has 5 hyphens.");
+  let hyphenated = Utils.hyphenatePassphrase(pp);
+  _("H: " + hyphenated);
+  do_check_eq(hyphenated.length, 31);
+  do_check_eq(hyphenated[1], '-');
+  do_check_eq(hyphenated[7], '-');
+  do_check_eq(hyphenated[13], '-');
+  do_check_eq(hyphenated[19], '-');
+  do_check_eq(hyphenated[25], '-');
+  do_check_eq(pp,
+      hyphenated.slice(0, 1) + hyphenated.slice(2, 7)
+      + hyphenated.slice(8, 13) + hyphenated.slice(14, 19)
+      + hyphenated.slice(20, 25) + hyphenated.slice(26, 31));
+
+  _("Arbitrary hyphenation.");
+  // We don't allow invalid characters for our base32 character set.
+  do_check_eq(Utils.hyphenatePassphrase("1234567"), "2-34567");  // Not partial, so no trailing dash.
+  do_check_eq(Utils.hyphenatePassphrase("1234567890"), "2-34567-89");
+  do_check_eq(Utils.hyphenatePassphrase("abcdeabcdeabcdeabcdeabcde"), "a-bcdea-bcdea-bcdea-bcdea-bcde");
+  do_check_eq(Utils.hyphenatePartialPassphrase("1234567"), "2-34567-");
+  do_check_eq(Utils.hyphenatePartialPassphrase("1234567890"), "2-34567-89");
+  do_check_eq(Utils.hyphenatePartialPassphrase("abcdeabcdeabcdeabcdeabcde"), "a-bcdea-bcdea-bcdea-bcdea-bcde");
+
+  do_check_eq(Utils.hyphenatePartialPassphrase("a"), "a-");
+  do_check_eq(Utils.hyphenatePartialPassphrase("1234567"), "2-34567-");
+  do_check_eq(Utils.hyphenatePartialPassphrase("a-bcdef-g"),
+              "a-bcdef-g");
+  do_check_eq(Utils.hyphenatePartialPassphrase("abcdefghijklmnop"),
+              "a-bcdef-ghijk-mnp");
+  do_check_eq(Utils.hyphenatePartialPassphrase("abcdefghijklmnopabcde"),
+              "a-bcdef-ghijk-mnpab-cde");
+  do_check_eq(Utils.hyphenatePartialPassphrase("a-bcdef-ghijk-LMNOP-ABCDE-Fg"),
+              "a-bcdef-ghijk-mnpab-cdefg-");
+  // Cuts off.
+  do_check_eq(Utils.hyphenatePartialPassphrase("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").length, 31);
+
+  _("Normalize passphrase recognizes hyphens.");
+  do_check_eq(Utils.normalizePassphrase(hyphenated), pp);
+
+  _("Skip whitespace.");
+  do_check_eq("aaaaaaaaaaaaaaaaaaaaaaaaaa", Utils.normalizePassphrase("aaaaaaaaaaaaaaaaaaaaaaaaaa  "));
+  do_check_eq("aaaaaaaaaaaaaaaaaaaaaaaaaa", Utils.normalizePassphrase("	 aaaaaaaaaaaaaaaaaaaaaaaaaa"));
+  do_check_eq("aaaaaaaaaaaaaaaaaaaaaaaaaa", Utils.normalizePassphrase("    aaaaaaaaaaaaaaaaaaaaaaaaaa  "));
+  do_check_eq("aaaaaaaaaaaaaaaaaaaaaaaaaa", Utils.normalizePassphrase("    a-aaaaa-aaaaa-aaaaa-aaaaa-aaaaa  "));
+  do_check_true(Utils.isPassphrase("aaaaaaaaaaaaaaaaaaaaaaaaaa  "));
+  do_check_true(Utils.isPassphrase("	 aaaaaaaaaaaaaaaaaaaaaaaaaa"));
+  do_check_true(Utils.isPassphrase("    aaaaaaaaaaaaaaaaaaaaaaaaaa  "));
+  do_check_true(Utils.isPassphrase("    a-aaaaa-aaaaa-aaaaa-aaaaa-aaaaa  "));
+  do_check_false(Utils.isPassphrase("    -aaaaa-aaaaa-aaaaa-aaaaa-aaaaa  "));
+
+  _("Normalizing 20-char passphrases.");
+  do_check_eq(Utils.normalizePassphrase("abcde-abcde-abcde-abcde"),
+              "abcdeabcdeabcdeabcde");
+  do_check_eq(Utils.normalizePassphrase("a-bcde-abcde-abcde-abcde"),
+              "a-bcde-abcde-abcde-abcde");
+  do_check_eq(Utils.normalizePassphrase(" abcde-abcde-abcde-abcde "),
+              "abcdeabcdeabcdeabcde");
+
+  _("Normalizing username.");
+  do_check_eq(Utils.normalizeAccount("   QA1234+boo@mozilla.com	"), "QA1234+boo@mozilla.com");
+  do_check_eq(Utils.normalizeAccount("QA1234+boo@mozilla.com"), "QA1234+boo@mozilla.com");
+}