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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 "base/scoped_ptr.h"
#include "base/weak_ptr.h"
#include "chrome/browser/download/download_status_updater.h"
#include "chrome/browser/download/download_status_updater_delegate.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class MockDelegate : public DownloadStatusUpdaterDelegate {
public:
explicit MockDelegate(DownloadStatusUpdater* updater)
: updater_(updater->AsWeakPtr()),
is_download_progress_known_(true),
in_progress_download_count_(0),
received_bytes_(0),
total_bytes_(0) {
EXPECT_TRUE(updater);
if (updater_)
updater_->AddDelegate(this);
}
~MockDelegate() {
EXPECT_TRUE(updater_);
if (updater_)
updater_->RemoveDelegate(this);
}
// Overriden from DownloadStatusUpdaterDelegate:
virtual bool IsDownloadProgressKnown() {
return is_download_progress_known_;
}
virtual int64 GetInProgressDownloadCount() {
return in_progress_download_count_;
}
virtual int64 GetReceivedDownloadBytes() {
return received_bytes_;
}
virtual int64 GetTotalDownloadBytes() {
return total_bytes_;
}
void set_is_download_progress_known(bool progress_known) {
is_download_progress_known_ = progress_known;
}
void set_in_progress_download_count(int64 download_count) {
in_progress_download_count_ = download_count;
}
void set_received_bytes(int64 received_bytes) {
received_bytes_ = received_bytes;
}
void set_total_bytes(int64 total_bytes) {
total_bytes_ = total_bytes;
}
private:
base::WeakPtr<DownloadStatusUpdater> updater_;
bool is_download_progress_known_;
int64 in_progress_download_count_;
int64 received_bytes_;
int64 total_bytes_;
DISALLOW_COPY_AND_ASSIGN(MockDelegate);
};
} // namespace
class DownloadStatusUpdaterTest : public testing::Test {
protected:
DownloadStatusUpdater updater_;
};
TEST_F(DownloadStatusUpdaterTest, Basic) {
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(0, progress);
EXPECT_EQ(0, updater_.GetInProgressDownloadCount());
}
TEST_F(DownloadStatusUpdaterTest, OneDelegate) {
MockDelegate delegate(&updater_);
{
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(0, progress);
EXPECT_EQ(0, updater_.GetInProgressDownloadCount());
}
delegate.set_in_progress_download_count(1);
delegate.set_received_bytes(21);
delegate.set_total_bytes(42);
{
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(static_cast<float>(1) / 2, progress);
EXPECT_EQ(1, updater_.GetInProgressDownloadCount());
}
delegate.set_is_download_progress_known(false);
{
float progress = -1;
EXPECT_FALSE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(0, progress);
EXPECT_EQ(1, updater_.GetInProgressDownloadCount());
}
}
TEST_F(DownloadStatusUpdaterTest, MultipleDelegates) {
scoped_ptr<MockDelegate> delegate1(new MockDelegate(&updater_));
scoped_ptr<MockDelegate> delegate2(new MockDelegate(&updater_));
{
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(0, progress);
EXPECT_EQ(0, updater_.GetInProgressDownloadCount());
}
delegate1->set_in_progress_download_count(1);
delegate1->set_received_bytes(14);
delegate1->set_total_bytes(21);
delegate2->set_in_progress_download_count(2);
delegate2->set_received_bytes(7);
delegate2->set_total_bytes(21);
{
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(static_cast<float>(1) / 2, progress);
EXPECT_EQ(3, updater_.GetInProgressDownloadCount());
}
delegate1->set_is_download_progress_known(false);
{
float progress = -1;
EXPECT_FALSE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(0, progress);
EXPECT_EQ(3, updater_.GetInProgressDownloadCount());
}
delegate1.reset();
{
float progress = -1;
EXPECT_TRUE(updater_.GetProgress(&progress));
EXPECT_FLOAT_EQ(static_cast<float>(1) / 3, progress);
EXPECT_EQ(2, updater_.GetInProgressDownloadCount());
}
}
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