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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/printing/print_job.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "chrome/browser/printing/print_job_worker.h"
#include "chrome/browser/printing/printer_query.h"
#include "content/public/browser/child_process_host.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/test/browser_task_environment.h"
#include "printing/mojom/print.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace printing {
namespace {
class TestPrintJobWorker : public PrintJobWorker {
public:
TestPrintJobWorker(
std::unique_ptr<PrintingContext::Delegate> printing_context_delegate,
std::unique_ptr<PrintingContext> printing_context,
PrintJob* print_job)
: PrintJobWorker(std::move(printing_context_delegate),
std::move(printing_context),
print_job) {}
~TestPrintJobWorker() override = default;
friend class TestQuery;
};
class TestQuery : public PrinterQuery {
public:
TestQuery() : PrinterQuery(content::GlobalRenderFrameHostId()) {}
void GetSettingsDone(base::OnceClosure callback,
std::optional<bool> maybe_is_modifiable,
std::unique_ptr<PrintSettings> new_settings,
mojom::ResultCode result) override {
FAIL();
}
TestQuery(const TestQuery&) = delete;
TestQuery& operator=(const TestQuery&) = delete;
~TestQuery() override = default;
std::unique_ptr<PrintJobWorker> TransferContextToNewWorker(
PrintJob* print_job) override {
// We're screwing up here since we're calling worker from the main thread.
// That's fine for testing. It is actually simulating PrinterQuery behavior.
auto worker = std::make_unique<TestPrintJobWorker>(
std::move(printing_context_delegate_), std::move(printing_context_),
print_job);
worker->printing_context()->UseDefaultSettings();
SetSettingsForTest(worker->printing_context()->TakeAndResetSettings());
return std::move(worker);
}
};
class TestPrintJob : public PrintJob {
public:
explicit TestPrintJob(bool* check) : check_(check) {}
private:
~TestPrintJob() override { *check_ = true; }
const raw_ptr<bool> check_;
};
} // namespace
TEST(PrintJobTest, SimplePrint) {
// Test the multi-threaded nature of PrintJob to make sure we can use it with
// known lifetime.
content::BrowserTaskEnvironment task_environment;
bool check = false;
scoped_refptr<PrintJob> job(base::MakeRefCounted<TestPrintJob>(&check));
job->Initialize(std::make_unique<TestQuery>(), std::u16string(), 1);
#if BUILDFLAG(IS_CHROMEOS)
job->SetSource(PrintJob::Source::kPrintPreview, /*source_id=*/"");
#endif // BUILDFLAG(IS_CHROMEOS)
job->Stop();
while (job->document()) {
base::RunLoop().RunUntilIdle();
}
EXPECT_FALSE(job->document());
job.reset();
while (!check) {
base::RunLoop().RunUntilIdle();
}
EXPECT_TRUE(check);
}
TEST(PrintJobTest, SimplePrintLateInit) {
bool check = false;
content::BrowserTaskEnvironment task_environment;
scoped_refptr<PrintJob> job(base::MakeRefCounted<TestPrintJob>(&check));
job.reset();
EXPECT_TRUE(check);
}
#if BUILDFLAG(IS_WIN)
TEST(PrintJobTest, PageRangeMapping) {
content::BrowserTaskEnvironment task_environment;
int page_count = 4;
std::vector<uint32_t> input_full = {0, 1, 2, 3};
std::vector<uint32_t> expected_output_full = {0, 1, 2, 3};
EXPECT_EQ(expected_output_full,
PrintJob::GetFullPageMapping(input_full, page_count));
std::vector<uint32_t> input_12 = {1, 2};
std::vector<uint32_t> expected_output_12 = {kInvalidPageIndex, 1, 2,
kInvalidPageIndex};
EXPECT_EQ(expected_output_12,
PrintJob::GetFullPageMapping(input_12, page_count));
std::vector<uint32_t> input_03 = {0, 3};
std::vector<uint32_t> expected_output_03 = {0, kInvalidPageIndex,
kInvalidPageIndex, 3};
EXPECT_EQ(expected_output_03,
PrintJob::GetFullPageMapping(input_03, page_count));
std::vector<uint32_t> input_0 = {0};
std::vector<uint32_t> expected_output_0 = {
0, kInvalidPageIndex, kInvalidPageIndex, kInvalidPageIndex};
EXPECT_EQ(expected_output_0,
PrintJob::GetFullPageMapping(input_0, page_count));
std::vector<uint32_t> input_invalid = {4, 100};
std::vector<uint32_t> expected_output_invalid = {
kInvalidPageIndex, kInvalidPageIndex, kInvalidPageIndex,
kInvalidPageIndex};
EXPECT_EQ(expected_output_invalid,
PrintJob::GetFullPageMapping(input_invalid, page_count));
}
#endif // BUILDFLAG(IS_WIN)
} // namespace printing
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