Re-implement form validation message UI with native widgets (Views)

chrome/browser/ui/views/validation_message_bubble_delegate_unittest.cc

+// Copyright (c) 2013 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 "chrome/browser/ui/views/validation_message_bubble_delegate.h"
+
+#include "base/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+gfx::Size GetSizeForMessages(const std::string& main_text,
+                             const std::string& sub_text) {
+  ValidationMessageBubbleDelegate delegate(
+      gfx::Rect(), UTF8ToUTF16(main_text), UTF8ToUTF16(sub_text), NULL);
+  return delegate.GetPreferredSize();
+}
+
+TEST(ValidationMessageBubbleDelegate, Size) {
+  gfx::Size short_main_empty_sub_size = GetSizeForMessages("foo", "");
+  EXPECT_LE(ValidationMessageBubbleDelegate::kWindowMinWidth,
+            short_main_empty_sub_size.width());
+  EXPECT_LE(0, short_main_empty_sub_size.height());
+
+  gfx::Size long_main_empty_sub_size = GetSizeForMessages(
+      "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod"
+      " tempor incididunt ut labore et dolore magna aliqua.", "");
+  EXPECT_GE(ValidationMessageBubbleDelegate::kWindowMaxWidth,
+            long_main_empty_sub_size.width());
+  EXPECT_GT(long_main_empty_sub_size.height(),
+            short_main_empty_sub_size.height());
+
+  gfx::Size short_main_medium_sub_size =
+      GetSizeForMessages("foo", "foo bar baz");
+  EXPECT_GT(short_main_medium_sub_size.width(),
+            short_main_empty_sub_size.width());
+  EXPECT_GT(short_main_medium_sub_size.height(),
+            short_main_empty_sub_size.height());
+
+  gfx::Size short_main_long_sub_size = GetSizeForMessages("foo",
+      "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod"
+      " tempor incididunt ut labore et dolore magna aliqua.");
+  EXPECT_GT(short_main_long_sub_size.width(),
+            short_main_medium_sub_size.width());
+  EXPECT_GE(ValidationMessageBubbleDelegate::kWindowMaxWidth,
+            short_main_long_sub_size.width());
+  EXPECT_GT(short_main_long_sub_size.height(),
+            short_main_medium_sub_size.height());
+}
+
+}