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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/quota/Client.h"
#include "mozilla/dom/quota/CommonMetadata.h"
#include "mozilla/dom/quota/FileStreams.h"
#include "mozilla/dom/quota/QuotaManager.h"
#include "mozilla/gtest/MozAssertions.h"
#include "nsIPrefBranch.h"
#include "nsIPrefService.h"
#include "QuotaManagerDependencyFixture.h"
namespace mozilla::dom::quota::test {
class TestFileOutputStream : public QuotaManagerDependencyFixture {
public:
static void SetUpTestCase() {
ASSERT_NO_FATAL_FAILURE(InitializeFixture());
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
prefs->SetIntPref("dom.quotaManager.temporaryStorage.fixedLimit",
mQuotaLimit);
}
static void TearDownTestCase() {
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
prefs->ClearUserPref("dom.quotaManager.temporaryStorage.fixedLimit");
ASSERT_NO_FATAL_FAILURE(ShutdownFixture());
}
static const int32_t mQuotaLimit = 8192;
};
TEST_F(TestFileOutputStream, extendFileStreamWithSetEOF) {
auto ioTask = []() {
quota::QuotaManager* quotaManager = quota::QuotaManager::Get();
auto originMetadata =
quota::OriginMetadata{""_ns,
"example.com"_ns,
"http://example.com"_ns,
"http://example.com"_ns,
/* aIsPrivate */ false,
quota::PERSISTENCE_TYPE_DEFAULT};
{
ASSERT_NS_SUCCEEDED(quotaManager->EnsureStorageIsInitialized());
ASSERT_NS_SUCCEEDED(quotaManager->EnsureTemporaryStorageIsInitialized());
auto res = quotaManager->EnsureTemporaryOriginIsInitialized(
quota::PERSISTENCE_TYPE_DEFAULT, originMetadata);
ASSERT_TRUE(res.isOk());
}
const int64_t groupLimit =
static_cast<int64_t>(quotaManager->GetGroupLimit());
ASSERT_TRUE(mQuotaLimit * 1024LL == groupLimit);
// We don't use the tested stream itself to check the file size as it
// may report values which have not been written to disk.
RefPtr<quota::FileOutputStream> check = MakeRefPtr<quota::FileOutputStream>(
quota::PERSISTENCE_TYPE_DEFAULT, originMetadata,
quota::Client::Type::SDB);
RefPtr<quota::FileOutputStream> stream =
MakeRefPtr<quota::FileOutputStream>(quota::PERSISTENCE_TYPE_DEFAULT,
originMetadata,
quota::Client::Type::SDB);
{
auto testPathRes = quotaManager->GetOriginDirectory(originMetadata);
ASSERT_TRUE(testPathRes.isOk());
nsCOMPtr<nsIFile> testPath = testPathRes.unwrap();
ASSERT_NS_SUCCEEDED(testPath->AppendRelativePath(u"sdb"_ns));
ASSERT_NS_SUCCEEDED(
testPath->AppendRelativePath(u"tTestFileOutputStream.txt"_ns));
bool exists = true;
ASSERT_NS_SUCCEEDED(testPath->Exists(&exists));
if (exists) {
ASSERT_NS_SUCCEEDED(testPath->Remove(/* recursive */ false));
}
ASSERT_NS_SUCCEEDED(testPath->Exists(&exists));
ASSERT_FALSE(exists);
ASSERT_NS_SUCCEEDED(testPath->Create(nsIFile::NORMAL_FILE_TYPE, 0666));
ASSERT_NS_SUCCEEDED(testPath->Exists(&exists));
ASSERT_TRUE(exists);
nsCOMPtr<nsIFile> checkPath;
ASSERT_NS_SUCCEEDED(testPath->Clone(getter_AddRefs(checkPath)));
const int32_t IOFlags = -1;
const int32_t perm = -1;
const int32_t behaviorFlags = 0;
ASSERT_NS_SUCCEEDED(stream->Init(testPath, IOFlags, perm, behaviorFlags));
ASSERT_NS_SUCCEEDED(check->Init(testPath, IOFlags, perm, behaviorFlags));
}
// Check that we start with an empty file
int64_t avail = 42;
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(0 == avail);
// Enlarge the file
const int64_t toSize = groupLimit;
ASSERT_NS_SUCCEEDED(stream->Seek(nsISeekableStream::NS_SEEK_SET, toSize));
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(0 == avail);
ASSERT_NS_SUCCEEDED(stream->SetEOF());
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toSize == avail);
// Try to enlarge the file past the limit
const int64_t overGroupLimit = groupLimit + 1;
// Seeking is allowed
ASSERT_NS_SUCCEEDED(
stream->Seek(nsISeekableStream::NS_SEEK_SET, overGroupLimit));
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toSize == avail);
// Setting file size to exceed quota should yield no device space error
ASSERT_TRUE(NS_ERROR_FILE_NO_DEVICE_SPACE == stream->SetEOF());
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toSize == avail);
// Shrink the file
const int64_t toHalfSize = toSize / 2;
ASSERT_NS_SUCCEEDED(
stream->Seek(nsISeekableStream::NS_SEEK_SET, toHalfSize));
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toSize == avail);
ASSERT_NS_SUCCEEDED(stream->SetEOF());
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toHalfSize == avail);
// Shrink the file back to nothing
ASSERT_NS_SUCCEEDED(stream->Seek(nsISeekableStream::NS_SEEK_SET, 0));
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(toHalfSize == avail);
ASSERT_NS_SUCCEEDED(stream->SetEOF());
ASSERT_NS_SUCCEEDED(check->GetSize(&avail));
ASSERT_TRUE(0 == avail);
};
PerformOnIOThread(std::move(ioTask));
}
} // namespace mozilla::dom::quota::test
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