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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* 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 "gtest/gtest.h"
#include "mozilla/scache/StartupCache.h"
#include "mozilla/scache/StartupCacheUtils.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIOutputStream.h"
#include "nsISupports.h"
#include "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "nsIURI.h"
#include "nsThreadUtils.h"
#include "prenv.h"
#include "prio.h"
#include "prprf.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/Maybe.h"
#include "mozilla/Printf.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/UniquePtrExtensions.h"
#include "nsNetCID.h"
#include "nsIURIMutator.h"
using namespace JS;
using namespace mozilla::scache;
using mozilla::UniquePtr;
void WaitForStartupTimer() {
StartupCache* sc = StartupCache::GetSingleton();
PR_Sleep(3 * PR_TicksPerSecond());
while (true) {
NS_ProcessPendingEvents(nullptr);
if (sc->StartupWriteComplete()) {
return;
}
PR_Sleep(1 * PR_TicksPerSecond());
}
}
class TestStartupCache : public ::testing::Test {
protected:
TestStartupCache();
~TestStartupCache();
nsCOMPtr<nsIFile> mSCFile;
};
TestStartupCache::TestStartupCache() {
NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(mSCFile));
mSCFile->AppendNative("test-startupcache.tmp"_ns);
#ifdef XP_WIN
nsAutoString env(u"MOZ_STARTUP_CACHE="_ns);
env.Append(mSCFile->NativePath());
_wputenv(env.get());
#else
nsAutoCString path;
mSCFile->GetNativePath(path);
char* env = mozilla::Smprintf("MOZ_STARTUP_CACHE=%s", path.get()).release();
PR_SetEnv(env);
// We intentionally leak `env` here because it is required by PR_SetEnv
MOZ_LSAN_INTENTIONALLY_LEAK_OBJECT(env);
#endif
StartupCache::GetSingleton()->InvalidateCache();
}
TestStartupCache::~TestStartupCache() {
PR_SetEnv("MOZ_STARTUP_CACHE=");
StartupCache::GetSingleton()->InvalidateCache();
}
TEST_F(TestStartupCache, StartupWriteRead) {
nsresult rv;
StartupCache* sc = StartupCache::GetSingleton();
const char* buf = "Market opportunities for BeardBook";
const char* id = "id";
const char* outbuf;
uint32_t len;
rv = sc->PutBuffer(id, mozilla::UniqueFreePtr<char[]>(strdup(buf)),
strlen(buf) + 1);
EXPECT_NS_SUCCEEDED(rv);
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_NS_SUCCEEDED(rv);
EXPECT_STREQ(buf, outbuf);
rv = sc->ResetStartupWriteTimerAndLock();
EXPECT_NS_SUCCEEDED(rv);
WaitForStartupTimer();
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_NS_SUCCEEDED(rv);
EXPECT_STREQ(buf, outbuf);
}
TEST_F(TestStartupCache, WriteInvalidateRead) {
nsresult rv;
const char* buf = "BeardBook competitive analysis";
const char* id = "id";
const char* outbuf;
uint32_t len;
StartupCache* sc = StartupCache::GetSingleton();
ASSERT_TRUE(sc);
rv = sc->PutBuffer(id, mozilla::UniqueFreePtr<char[]>(strdup(buf)),
strlen(buf) + 1);
EXPECT_NS_SUCCEEDED(rv);
sc->InvalidateCache();
rv = sc->GetBuffer(id, &outbuf, &len);
EXPECT_EQ(rv, NS_ERROR_NOT_AVAILABLE);
}
TEST_F(TestStartupCache, WriteObject) {
nsresult rv;
nsCOMPtr<nsIURI> obj;
constexpr auto spec = "http://www.mozilla.org"_ns;
rv = NS_MutateURI(NS_SIMPLEURIMUTATOR_CONTRACTID).SetSpec(spec).Finalize(obj);
EXPECT_NS_SUCCEEDED(rv);
StartupCache* sc = StartupCache::GetSingleton();
// Create an object stream. Usually this is done with
// NewObjectOutputWrappedStorageStream, but that uses
// StartupCache::GetSingleton in debug builds, and we
// don't have access to that here. Obviously.
const char* id = "id";
nsCOMPtr<nsIStorageStream> storageStream =
do_CreateInstance("@mozilla.org/storagestream;1");
ASSERT_TRUE(storageStream);
rv = storageStream->Init(256, (uint32_t)-1);
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsIObjectOutputStream> objectOutput =
do_CreateInstance("@mozilla.org/binaryoutputstream;1");
ASSERT_TRUE(objectOutput);
nsCOMPtr<nsIOutputStream> outputStream = do_QueryInterface(storageStream);
rv = objectOutput->SetOutputStream(outputStream);
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsISupports> objQI(do_QueryInterface(obj));
rv = objectOutput->WriteObject(objQI, true);
EXPECT_NS_SUCCEEDED(rv);
mozilla::UniqueFreePtr<char[]> buf;
uint32_t len;
NewBufferFromStorageStream(storageStream, &buf, &len);
// Since this is a post-startup write, it should be written and
// available.
rv = sc->PutBuffer(id, std::move(buf), len);
EXPECT_NS_SUCCEEDED(rv);
const char* buf2;
uint32_t len2;
nsCOMPtr<nsIObjectInputStream> objectInput;
rv = sc->GetBuffer(id, &buf2, &len2);
EXPECT_NS_SUCCEEDED(rv);
rv = NewObjectInputStreamFromBuffer(buf2, len2, getter_AddRefs(objectInput));
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsISupports> deserialized;
rv = objectInput->ReadObject(true, getter_AddRefs(deserialized));
EXPECT_NS_SUCCEEDED(rv);
nsCOMPtr<nsIURI> uri(do_QueryInterface(deserialized));
ASSERT_TRUE(uri);
nsCString outSpec;
rv = uri->GetSpec(outSpec);
EXPECT_NS_SUCCEEDED(rv);
ASSERT_TRUE(outSpec.Equals(spec));
}
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