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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/browser/manifest_icon_downloader.h"
#include <string>
#include <vector>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image/image_unittest_util.h"
namespace content {
class ManifestIconDownloaderTest : public testing::TestWithParam<bool> {
public:
ManifestIconDownloaderTest(const ManifestIconDownloaderTest&) = delete;
ManifestIconDownloaderTest& operator=(const ManifestIconDownloaderTest&) =
delete;
protected:
ManifestIconDownloaderTest() : selects_square_only_(GetParam()) {}
~ManifestIconDownloaderTest() override = default;
int width_to_height_ratio() {
if (selects_square_only_)
return 1;
return ManifestIconDownloader::kMaxWidthToHeightRatio;
}
bool selects_square_only() { return selects_square_only_; }
int FindBitmap(const int ideal_icon_size_in_px,
const int minimum_icon_size_in_px,
const std::vector<SkBitmap>& bitmaps) {
return ManifestIconDownloader::FindClosestBitmapIndex(
ideal_icon_size_in_px, minimum_icon_size_in_px, selects_square_only_,
bitmaps);
}
private:
bool selects_square_only_;
};
TEST_P(ManifestIconDownloaderTest, NoIcons) {
ASSERT_EQ(-1, FindBitmap(0, 0, std::vector<SkBitmap>()));
}
TEST_P(ManifestIconDownloaderTest, ExactIsChosen) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10)};
ASSERT_EQ(0, FindBitmap(10, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, BiggerIsChosen) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 20, 20)};
ASSERT_EQ(0, FindBitmap(10, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, SmallerBelowMinimumIsIgnored) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10)};
ASSERT_EQ(-1, FindBitmap(20, 15, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, SmallerAboveMinimumIsChosen) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 15, 15)};
ASSERT_EQ(0, FindBitmap(20, 15, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, ExactIsPreferredOverBigger) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 20, 20),
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10)};
ASSERT_EQ(1, FindBitmap(10, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, ExactIsPreferredOverSmaller) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 20, 20),
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10)};
ASSERT_EQ(0, FindBitmap(20, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, BiggerIsPreferredOverCloserSmaller) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 20, 20),
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10)};
ASSERT_EQ(0, FindBitmap(11, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, ClosestToExactIsChosen) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 25, 25),
gfx::test::CreateBitmap(width_to_height_ratio() * 20, 20)};
ASSERT_EQ(1, FindBitmap(10, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, MixedReturnsBiggestClosest) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10),
gfx::test::CreateBitmap(width_to_height_ratio() * 8, 8),
gfx::test::CreateBitmap(width_to_height_ratio() * 6, 6)};
ASSERT_EQ(0, FindBitmap(9, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, MixedCanReturnMiddle) {
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 10),
gfx::test::CreateBitmap(width_to_height_ratio() * 8, 8),
gfx::test::CreateBitmap(width_to_height_ratio() * 6, 6)};
ASSERT_EQ(1, FindBitmap(7, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, SquareIsPickedOverNonSquare) {
// The test applies to square only selection.
if (!selects_square_only())
return;
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 5, 5),
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 15)};
ASSERT_EQ(0, FindBitmap(15, 5, bitmaps));
ASSERT_EQ(0, FindBitmap(10, 5, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, MostSquareNonSquareIsPicked) {
// The test applies to square only selection.
if (!selects_square_only())
return;
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap(width_to_height_ratio() * 25, 35),
gfx::test::CreateBitmap(width_to_height_ratio() * 10, 11)};
ASSERT_EQ(1, FindBitmap(25, 0, bitmaps));
ASSERT_EQ(1, FindBitmap(35, 0, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, NonSquareBelowMinimumIsNotPicked) {
std::vector<SkBitmap> bitmaps = {gfx::test::CreateBitmap(10, 15),
gfx::test::CreateBitmap(15, 10)};
ASSERT_EQ(-1, FindBitmap(15, 11, bitmaps));
}
TEST_P(ManifestIconDownloaderTest, ImproperWidthtoHeightRatioIsNotPicked) {
// The test does not apply to square only selection.
if (selects_square_only())
return;
std::vector<SkBitmap> bitmaps = {
gfx::test::CreateBitmap((width_to_height_ratio() + 1) * 15, 15)};
ASSERT_EQ(-1, FindBitmap(15, 11, bitmaps));
}
INSTANTIATE_TEST_SUITE_P(All,
ManifestIconDownloaderTest,
::testing::Bool());
} // namespace content
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