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// Copyright (c) 2012 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/cocoa/table_row_nsimage_cache.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image/image_skia.h"
namespace {
class TestTable : public TableRowNSImageCache::Table {
public:
std::vector<SkBitmap>* rows() {
return &rows_;
}
// TableRowNSImageCache::Table overrides.
int RowCount() const override { return rows_.size(); }
gfx::ImageSkia GetIcon(int index) const override {
return gfx::ImageSkia::CreateFrom1xBitmap(rows_[index]);
}
private:
std::vector<SkBitmap> rows_;
};
SkBitmap MakeImage(int width, int height) {
SkBitmap image;
image.allocN32Pixels(width, height);
image.eraseARGB(255, 255, 0, 0);
return image;
}
// Define this as a macro so that the original variable names can be used in
// test output.
#define COMPARE_SK_NS_IMG_SIZES(skia, cocoa) \
EXPECT_EQ(skia.width(), [cocoa size].width); \
EXPECT_EQ(skia.height(), [cocoa size].height);
TEST(TableRowNSImageCacheTest, ModelChanged) {
TestTable table;
std::vector<SkBitmap>* rows = table.rows();
rows->push_back(MakeImage(10, 10));
rows->push_back(MakeImage(20, 20));
rows->push_back(MakeImage(30, 30));
TableRowNSImageCache cache(&table);
NSImage* image0 = cache.GetImageForRow(0);
NSImage* image1 = cache.GetImageForRow(1);
NSImage* image2 = cache.GetImageForRow(2);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
COMPARE_SK_NS_IMG_SIZES(rows->at(2), image2);
rows->clear();
rows->push_back(MakeImage(15, 15));
rows->push_back(MakeImage(25, 25));
rows->push_back(MakeImage(35, 35));
rows->push_back(MakeImage(45, 45));
// Invalidate the entire model.
cache.OnModelChanged();
EXPECT_NE(image0, cache.GetImageForRow(0));
image0 = cache.GetImageForRow(0);
EXPECT_NE(image1, cache.GetImageForRow(1));
image1 = cache.GetImageForRow(1);
EXPECT_NE(image2, cache.GetImageForRow(2));
image2 = cache.GetImageForRow(2);
NSImage* image3 = cache.GetImageForRow(3);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
COMPARE_SK_NS_IMG_SIZES(rows->at(2), image2);
COMPARE_SK_NS_IMG_SIZES(rows->at(3), image3);
}
TEST(TableRowNSImageCacheTest, ItemsChanged) {
TestTable table;
std::vector<SkBitmap>* rows = table.rows();
rows->push_back(MakeImage(10, 10));
rows->push_back(MakeImage(20, 20));
rows->push_back(MakeImage(30, 30));
TableRowNSImageCache cache(&table);
NSImage* image0 = cache.GetImageForRow(0);
NSImage* image1 = cache.GetImageForRow(1);
NSImage* image2 = cache.GetImageForRow(2);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
COMPARE_SK_NS_IMG_SIZES(rows->at(2), image2);
// Update the middle image.
(*rows)[1] = MakeImage(25, 25);
cache.OnItemsChanged(/* start=*/1, /* count=*/1);
// Make sure the other items remained the same.
EXPECT_EQ(image0, cache.GetImageForRow(0));
EXPECT_EQ(image2, cache.GetImageForRow(2));
image1 = cache.GetImageForRow(1);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
// Update more than one image.
(*rows)[0] = MakeImage(15, 15);
(*rows)[1] = MakeImage(27, 27);
EXPECT_EQ(3U, rows->size());
cache.OnItemsChanged(0, 2);
image0 = cache.GetImageForRow(0);
image1 = cache.GetImageForRow(1);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
}
TEST(TableRowNSImageCacheTest, ItemsAdded) {
TestTable table;
std::vector<SkBitmap>* rows = table.rows();
rows->push_back(MakeImage(10, 10));
rows->push_back(MakeImage(20, 20));
TableRowNSImageCache cache(&table);
NSImage* image0 = cache.GetImageForRow(0);
NSImage* image1 = cache.GetImageForRow(1);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
// Add an item to the end.
rows->push_back(MakeImage(30, 30));
cache.OnItemsAdded(2, 1);
// Make sure image 1 stayed the same.
EXPECT_EQ(image1, cache.GetImageForRow(1));
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
// Check that image 2 got added correctly.
NSImage* image2 = cache.GetImageForRow(2);
COMPARE_SK_NS_IMG_SIZES(rows->at(2), image2);
// Add two items to the begging.
rows->insert(rows->begin(), MakeImage(7, 7));
rows->insert(rows->begin(), MakeImage(3, 3));
cache.OnItemsAdded(0, 2);
NSImage* image00 = cache.GetImageForRow(0);
NSImage* image01 = cache.GetImageForRow(1);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image00);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image01);
}
TEST(TableRowNSImageCacheTest, ItemsRemoved) {
TestTable table;
std::vector<SkBitmap>* rows = table.rows();
rows->push_back(MakeImage(10, 10));
rows->push_back(MakeImage(20, 20));
rows->push_back(MakeImage(30, 30));
rows->push_back(MakeImage(40, 40));
rows->push_back(MakeImage(50, 50));
TableRowNSImageCache cache(&table);
NSImage* image0 = cache.GetImageForRow(0);
NSImage* image1 = cache.GetImageForRow(1);
NSImage* image2 = cache.GetImageForRow(2);
NSImage* image3 = cache.GetImageForRow(3);
NSImage* image4 = cache.GetImageForRow(4);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
COMPARE_SK_NS_IMG_SIZES(rows->at(2), image2);
COMPARE_SK_NS_IMG_SIZES(rows->at(3), image3);
COMPARE_SK_NS_IMG_SIZES(rows->at(4), image4);
rows->erase(rows->begin() + 1, rows->begin() + 4); // [20x20, 50x50)
cache.OnItemsRemoved(1, 3);
image0 = cache.GetImageForRow(0);
image1 = cache.GetImageForRow(1);
COMPARE_SK_NS_IMG_SIZES(rows->at(0), image0);
COMPARE_SK_NS_IMG_SIZES(rows->at(1), image1);
}
} // namespace
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