// Copyright 2014 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "cobalt/cssom/style_sheet_list.h"

#include "cobalt/cssom/cascade_precedence.h"
#include "cobalt/cssom/css_style_sheet.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace cobalt {
namespace cssom {

TEST(StyleSheetListTest, ItemAccess) {
  scoped_refptr<StyleSheetList> style_sheet_list = new StyleSheetList();
  ASSERT_EQ(0, style_sheet_list->length());
  ASSERT_FALSE(style_sheet_list->Item(0).get());

  scoped_refptr<CSSStyleSheet> style_sheet = new CSSStyleSheet();
  style_sheet->SetOriginClean(true);
  StyleSheetVector style_sheet_vector;
  style_sheet_vector.push_back(style_sheet);
  style_sheet_list = new StyleSheetList(style_sheet_vector, NULL);
  ASSERT_EQ(1, style_sheet_list->length());
  ASSERT_EQ(style_sheet, style_sheet_list->Item(0));
  ASSERT_FALSE(style_sheet_list->Item(1).get());
  ASSERT_EQ(style_sheet->ParentStyleSheetList(), style_sheet_list);

  style_sheet_list = NULL;
  ASSERT_FALSE(style_sheet->ParentStyleSheetList());
}

TEST(StyleSheetListTest, Index) {
  scoped_refptr<CSSStyleSheet> style_sheet_0 = new CSSStyleSheet();
  style_sheet_0->SetOriginClean(true);
  scoped_refptr<CSSStyleSheet> style_sheet_1 = new CSSStyleSheet();
  style_sheet_1->SetOriginClean(true);

  ASSERT_EQ(-1, style_sheet_0->index());
  ASSERT_EQ(-1, style_sheet_1->index());

  StyleSheetVector style_sheet_vector;
  style_sheet_vector.push_back(style_sheet_0);
  style_sheet_vector.push_back(style_sheet_1);

  scoped_refptr<StyleSheetList> style_sheet_list =
      new StyleSheetList(style_sheet_vector, NULL);

  ASSERT_EQ(0, style_sheet_0->index());
  ASSERT_EQ(1, style_sheet_1->index());

  style_sheet_list = NULL;

  ASSERT_EQ(-1, style_sheet_0->index());
  ASSERT_EQ(-1, style_sheet_1->index());
}

}  // namespace cssom
}  // namespace cobalt