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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/os_crypt/sync/key_storage_linux.h"
#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/test_simple_task_runner.h"
#include "testing/gtest/include/gtest/gtest.h"
// We use a fake to avoid calling a real backend. We'll make calls to it and
// test that the wrapping methods post accordingly.
class FakeKeyStorageLinux : public KeyStorageLinux {
public:
explicit FakeKeyStorageLinux(base::SequencedTaskRunner* task_runner)
: task_runner_(task_runner) {}
FakeKeyStorageLinux(const FakeKeyStorageLinux&) = delete;
FakeKeyStorageLinux& operator=(const FakeKeyStorageLinux&) = delete;
~FakeKeyStorageLinux() override = default;
protected:
bool Init() override { return true; }
std::optional<std::string> GetKeyImpl() override {
return std::string("1234");
}
base::SequencedTaskRunner* GetTaskRunner() override { return task_runner_; }
private:
raw_ptr<base::SequencedTaskRunner> task_runner_;
};
class KeyStorageLinuxTest : public testing::Test {
public:
KeyStorageLinuxTest() = default;
KeyStorageLinuxTest(const KeyStorageLinuxTest&) = delete;
KeyStorageLinuxTest& operator=(const KeyStorageLinuxTest&) = delete;
~KeyStorageLinuxTest() override = default;
};
TEST_F(KeyStorageLinuxTest, SkipPostingToSameTaskRunner) {
scoped_refptr<base::TestSimpleTaskRunner> task_runner(
new base::TestSimpleTaskRunner());
FakeKeyStorageLinux key_storage(task_runner.get());
task_runner->PostTask(
FROM_HERE, base::BindOnce(base::IgnoreResult(&KeyStorageLinux::GetKey),
base::Unretained(&key_storage)));
// This should not deadlock.
task_runner->RunUntilIdle();
}
TEST_F(KeyStorageLinuxTest, IgnoreTaskRunnerIfNull) {
FakeKeyStorageLinux key_storage(nullptr);
// This should not deadlock or crash.
ASSERT_EQ(std::string("1234"), key_storage.GetKey());
}
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