Password bubble: Add a test for displayed password length.

chrome/browser/ui/passwords/manage_passwords_bubble_model_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/ui/passwords/manage_passwords_bubble_model.h"
+#include "components/password_manager/core/browser/mock_password_store.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class ManagePasswordsBubbleModelTest : public testing::Test {
+ protected:
+  ManagePasswordsBubbleModelTest() {}
+
+  virtual ~ManagePasswordsBubbleModelTest() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ManagePasswordsBubbleModelTest);
+};
+
+namespace {
+
+TEST_F(ManagePasswordsBubbleModelTest, PasswordDisplayStringGeneration) {
+  base::string16 test1 = base::WideToUTF16(L"Password");
+  base::string16 test2 = base::WideToUTF16(L"Ümläütß");
+
+  base::string16 result =
+      ManagePasswordsBubbleModel::GetPasswordDisplayString(test1);
+  EXPECT_EQ(8UL, result.length());
+  EXPECT_EQ(
+      base::WideToUTF16(L"\x2022\x2022\x2022\x2022\x2022\x2022\x2022\x2022"),
+      result);
+
+  result = ManagePasswordsBubbleModel::GetPasswordDisplayString(test2);
+  EXPECT_EQ(7UL, result.length());
+  EXPECT_EQ(base::WideToUTF16(L"\x2022\x2022\x2022\x2022\x2022\x2022\x2022"),
+            result);
+}
+
+}  // namespace