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// Copyright 2014 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 <string>
#include "chrome/browser/image_holder.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const char kIconUrl1[] = "http://www.google.com/icon1.jpg";
const char kIconUrl2[] = "http://www.google.com/icon2.jpg";
class TestDelegate : public chrome::ImageHolderDelegate {
public:
TestDelegate() : on_fetch_complete_called_(false) {}
void OnFetchComplete() override { on_fetch_complete_called_ = true; }
bool on_fetch_complete_called_;
};
} // namespace.
namespace chrome {
typedef testing::Test ImageHolderTest;
TEST_F(ImageHolderTest, CreateBitmapFetcherTest) {
TestDelegate delegate;
ImageHolder image_holder(GURL(kIconUrl1), GURL(kIconUrl2), NULL, &delegate);
EXPECT_EQ(GURL(kIconUrl1), image_holder.fetchers_[0]->url());
EXPECT_EQ(GURL(kIconUrl2), image_holder.fetchers_[1]->url());
EXPECT_EQ(static_cast<unsigned int>(2), image_holder.fetchers_.size());
// Adding a dup of an existing URL shouldn't change anything.
image_holder.CreateBitmapFetcher(GURL(kIconUrl2));
EXPECT_EQ(GURL(kIconUrl1), image_holder.fetchers_[0]->url());
EXPECT_EQ(GURL(kIconUrl2), image_holder.fetchers_[1]->url());
EXPECT_EQ(static_cast<unsigned int>(2), image_holder.fetchers_.size());
}
TEST_F(ImageHolderTest, OnFetchCompleteTest) {
TestDelegate delegate;
ImageHolder image_holder(GURL(kIconUrl1), GURL(), NULL, &delegate);
// Put a real bitmap into "bitmap". 2x2 bitmap of green 32 bit pixels.
SkBitmap bitmap;
bitmap.allocN32Pixels(2, 2);
bitmap.eraseColor(SK_ColorGREEN);
image_holder.OnFetchComplete(GURL(kIconUrl1), &bitmap);
// Expect that the app icon has some data in it.
EXPECT_FALSE(image_holder.low_dpi_image().IsEmpty());
// Expect that we reported the fetch done to the delegate.
EXPECT_TRUE(delegate.on_fetch_complete_called_);
}
TEST_F(ImageHolderTest, IsFetchingDoneTest) {
TestDelegate delegate;
ImageHolder image_holder1(GURL(kIconUrl1), GURL(kIconUrl2), NULL, &delegate);
ImageHolder image_holder2(GURL(kIconUrl1), GURL(), NULL, &delegate);
ImageHolder image_holder3(GURL(), GURL(kIconUrl2), NULL, &delegate);
ImageHolder image_holder4(GURL(), GURL(), NULL, &delegate);
// Initially, image holder 4 with no URLs should report done, but no others.
EXPECT_FALSE(image_holder1.IsFetchingDone());
EXPECT_FALSE(image_holder2.IsFetchingDone());
EXPECT_FALSE(image_holder3.IsFetchingDone());
EXPECT_TRUE(image_holder4.IsFetchingDone());
// Put a real bitmap into "bitmap". 2x2 bitmap of green 32 bit pixels.
SkBitmap bitmap;
bitmap.allocN32Pixels(2, 2);
bitmap.eraseColor(SK_ColorGREEN);
// Add the first icon, and image holder 2 should now also report done.
image_holder1.OnFetchComplete(GURL(kIconUrl1), &bitmap);
image_holder2.OnFetchComplete(GURL(kIconUrl1), &bitmap);
image_holder3.OnFetchComplete(GURL(kIconUrl1), &bitmap);
image_holder4.OnFetchComplete(GURL(kIconUrl1), &bitmap);
EXPECT_FALSE(image_holder1.IsFetchingDone());
EXPECT_TRUE(image_holder2.IsFetchingDone());
EXPECT_FALSE(image_holder3.IsFetchingDone());
EXPECT_TRUE(image_holder4.IsFetchingDone());
// Add the second image, and now all 4 should report done.
image_holder1.OnFetchComplete(GURL(kIconUrl2), &bitmap);
image_holder2.OnFetchComplete(GURL(kIconUrl2), &bitmap);
image_holder3.OnFetchComplete(GURL(kIconUrl2), &bitmap);
image_holder4.OnFetchComplete(GURL(kIconUrl2), &bitmap);
EXPECT_TRUE(image_holder1.IsFetchingDone());
EXPECT_TRUE(image_holder2.IsFetchingDone());
EXPECT_TRUE(image_holder3.IsFetchingDone());
EXPECT_TRUE(image_holder4.IsFetchingDone());
}
} // namespace chrome.
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