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// Copyright (c) 2010 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/cocoa/table_row_nsimage_cache.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
using ::testing::Return;
class MockTable : public TableRowNSImageCache::Table {
public:
MOCK_CONST_METHOD0(RowCount, int());
MOCK_CONST_METHOD1(GetIcon, SkBitmap(int));
};
TEST(TableRowNSImageCacheTest, Basics) {
SkBitmap first_bitmap;
first_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 40, 30);
first_bitmap.eraseRGB(255, 0, 0);
ASSERT_TRUE(first_bitmap.allocPixels());
SkBitmap second_bitmap;
second_bitmap.setConfig(SkBitmap::kARGB_8888_Config, 20, 10);
second_bitmap.eraseRGB(0, 255, 0);
ASSERT_TRUE(second_bitmap.allocPixels());
MockTable table;
EXPECT_CALL(table, RowCount()).WillRepeatedly(Return(2));
TableRowNSImageCache cache(&table);
// Check both images are only generated once
EXPECT_CALL(table, GetIcon(0)).WillOnce(Return(first_bitmap));
NSImage* first_image = cache.GetImageForRow(0);
EXPECT_EQ(40, [first_image size].width);
EXPECT_EQ(30, [first_image size].height);
EXPECT_EQ(first_image, cache.GetImageForRow(0));
EXPECT_CALL(table, GetIcon(1)).WillOnce(Return(second_bitmap));
NSImage* second_image = cache.GetImageForRow(1);
EXPECT_EQ(20, [second_image size].width);
EXPECT_EQ(10, [second_image size].height);
EXPECT_EQ(second_image, cache.GetImageForRow(1));
// Check that invalidating the second icon only invalidates the second icon
cache.OnItemsChanged(/* start =*/1, /* length =*/1);
EXPECT_EQ(first_image, cache.GetImageForRow(0));
EXPECT_CALL(table, GetIcon(1)).WillOnce(Return(first_bitmap));
NSImage* new_second_image = cache.GetImageForRow(1);
EXPECT_EQ(40, [new_second_image size].width);
EXPECT_EQ(30, [new_second_image size].height);
EXPECT_EQ(new_second_image, cache.GetImageForRow(1));
EXPECT_NE(new_second_image, second_image);
}
} // namespace
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