From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../fuzzing/interface/harness/FuzzerTestHarness.h | 256 +++++++++++++++++++++ 1 file changed, 256 insertions(+) create mode 100644 tools/fuzzing/interface/harness/FuzzerTestHarness.h (limited to 'tools/fuzzing/interface/harness/FuzzerTestHarness.h') diff --git a/tools/fuzzing/interface/harness/FuzzerTestHarness.h b/tools/fuzzing/interface/harness/FuzzerTestHarness.h new file mode 100644 index 0000000000..d7bb1064cf --- /dev/null +++ b/tools/fuzzing/interface/harness/FuzzerTestHarness.h @@ -0,0 +1,256 @@ +/* -*- 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/. */ + +/* + * Test harness for XPCOM objects, providing a scoped XPCOM initializer, + * nsCOMPtr, nsRefPtr, do_CreateInstance, do_GetService, ns(Auto|C|)String, + * and stdio.h/stdlib.h. + */ + +#ifndef FuzzerTestHarness_h__ +#define FuzzerTestHarness_h__ + +#include "mozilla/ArrayUtils.h" +#include "mozilla/Attributes.h" + +#include "prenv.h" +#include "nsComponentManagerUtils.h" +#include "nsServiceManagerUtils.h" +#include "nsCOMPtr.h" +#include "nsString.h" +#include "nsAppDirectoryServiceDefs.h" +#include "nsDirectoryServiceDefs.h" +#include "nsDirectoryServiceUtils.h" +#include "nsIDirectoryService.h" +#include "nsIFile.h" +#include "nsIObserverService.h" +#include "nsIServiceManager.h" +#include "nsXULAppAPI.h" +#include "mozilla/AppShutdown.h" +#include +#include +#include + +namespace { + +static uint32_t gFailCount = 0; + +/** + * Prints the given failure message and arguments using printf, prepending + * "TEST-UNEXPECTED-FAIL " for the benefit of the test harness and + * appending "\n" to eliminate having to type it at each call site. + */ +MOZ_FORMAT_PRINTF(1, 2) void fail(const char* msg, ...) { + va_list ap; + + printf("TEST-UNEXPECTED-FAIL | "); + + va_start(ap, msg); + vprintf(msg, ap); + va_end(ap); + + putchar('\n'); + ++gFailCount; +} + +//----------------------------------------------------------------------------- + +class ScopedXPCOM final : public nsIDirectoryServiceProvider2 { + public: + NS_DECL_ISUPPORTS + + explicit ScopedXPCOM(const char* testName, + nsIDirectoryServiceProvider* dirSvcProvider = nullptr) + : mDirSvcProvider(dirSvcProvider) { + mTestName = testName; + printf("Running %s tests...\n", mTestName); + + nsresult rv = NS_InitXPCOM(&mServMgr, nullptr, this); + if (NS_FAILED(rv)) { + fail("NS_InitXPCOM returned failure code 0x%" PRIx32, + static_cast(rv)); + mServMgr = nullptr; + return; + } + } + + ~ScopedXPCOM() { + // If we created a profile directory, we need to remove it. + if (mProfD) { + mozilla::AppShutdown::AdvanceShutdownPhase( + mozilla::ShutdownPhase::AppShutdownNetTeardown); + mozilla::AppShutdown::AdvanceShutdownPhase( + mozilla::ShutdownPhase::AppShutdownTeardown); + mozilla::AppShutdown::AdvanceShutdownPhase( + mozilla::ShutdownPhase::AppShutdown); + mozilla::AppShutdown::AdvanceShutdownPhase( + mozilla::ShutdownPhase::AppShutdownQM); + mozilla::AppShutdown::AdvanceShutdownPhase( + mozilla::ShutdownPhase::AppShutdownTelemetry); + + if (NS_FAILED(mProfD->Remove(true))) { + NS_WARNING("Problem removing profile directory"); + } + + mProfD = nullptr; + } + + if (mServMgr) { + NS_RELEASE(mServMgr); + nsresult rv = NS_ShutdownXPCOM(nullptr); + if (NS_FAILED(rv)) { + fail("XPCOM shutdown failed with code 0x%" PRIx32, + static_cast(rv)); + exit(1); + } + } + + printf("Finished running %s tests.\n", mTestName); + } + + already_AddRefed GetProfileDirectory() { + if (mProfD) { + nsCOMPtr copy = mProfD; + return copy.forget(); + } + + // Create a unique temporary folder to use for this test. + // Note that runcppunittests.py will run tests with a temp + // directory as the cwd, so just put something under that. + nsCOMPtr profD; + nsresult rv = NS_GetSpecialDirectory(NS_OS_CURRENT_PROCESS_DIR, + getter_AddRefs(profD)); + NS_ENSURE_SUCCESS(rv, nullptr); + + rv = profD->Append(u"cpp-unit-profd"_ns); + NS_ENSURE_SUCCESS(rv, nullptr); + + rv = profD->CreateUnique(nsIFile::DIRECTORY_TYPE, 0755); + NS_ENSURE_SUCCESS(rv, nullptr); + + mProfD = profD; + return profD.forget(); + } + + already_AddRefed GetGREDirectory() { + if (mGRED) { + nsCOMPtr copy = mGRED; + return copy.forget(); + } + + char* env = PR_GetEnv("MOZ_XRE_DIR"); + nsCOMPtr greD; + if (env) { + NS_NewLocalFile(NS_ConvertUTF8toUTF16(env), false, getter_AddRefs(greD)); + } + + mGRED = greD; + return greD.forget(); + } + + already_AddRefed GetGREBinDirectory() { + if (mGREBinD) { + nsCOMPtr copy = mGREBinD; + return copy.forget(); + } + + nsCOMPtr greD = GetGREDirectory(); + if (!greD) { + return greD.forget(); + } + greD->Clone(getter_AddRefs(mGREBinD)); + +#ifdef XP_MACOSX + nsAutoCString leafName; + mGREBinD->GetNativeLeafName(leafName); + if (leafName.EqualsLiteral("Resources")) { + mGREBinD->SetNativeLeafName("MacOS"_ns); + } +#endif + + nsCOMPtr copy = mGREBinD; + return copy.forget(); + } + + //////////////////////////////////////////////////////////////////////////// + //// nsIDirectoryServiceProvider + + NS_IMETHODIMP GetFile(const char* aProperty, bool* _persistent, + nsIFile** _result) override { + // If we were supplied a directory service provider, ask it first. + if (mDirSvcProvider && NS_SUCCEEDED(mDirSvcProvider->GetFile( + aProperty, _persistent, _result))) { + return NS_OK; + } + + // Otherwise, the test harness provides some directories automatically. + if (0 == strcmp(aProperty, NS_APP_USER_PROFILE_50_DIR) || + 0 == strcmp(aProperty, NS_APP_USER_PROFILE_LOCAL_50_DIR) || + 0 == strcmp(aProperty, NS_APP_PROFILE_LOCAL_DIR_STARTUP)) { + nsCOMPtr profD = GetProfileDirectory(); + NS_ENSURE_TRUE(profD, NS_ERROR_FAILURE); + + nsCOMPtr clone; + nsresult rv = profD->Clone(getter_AddRefs(clone)); + NS_ENSURE_SUCCESS(rv, rv); + + *_persistent = true; + clone.forget(_result); + return NS_OK; + } else if (0 == strcmp(aProperty, NS_GRE_DIR)) { + nsCOMPtr greD = GetGREDirectory(); + NS_ENSURE_TRUE(greD, NS_ERROR_FAILURE); + + *_persistent = true; + greD.forget(_result); + return NS_OK; + } else if (0 == strcmp(aProperty, NS_GRE_BIN_DIR)) { + nsCOMPtr greBinD = GetGREBinDirectory(); + NS_ENSURE_TRUE(greBinD, NS_ERROR_FAILURE); + + *_persistent = true; + greBinD.forget(_result); + return NS_OK; + } + + return NS_ERROR_FAILURE; + } + + //////////////////////////////////////////////////////////////////////////// + //// nsIDirectoryServiceProvider2 + + NS_IMETHODIMP GetFiles(const char* aProperty, + nsISimpleEnumerator** _enum) override { + // If we were supplied a directory service provider, ask it first. + nsCOMPtr provider = + do_QueryInterface(mDirSvcProvider); + if (provider && NS_SUCCEEDED(provider->GetFiles(aProperty, _enum))) { + return NS_OK; + } + + return NS_ERROR_FAILURE; + } + + private: + const char* mTestName; + nsIServiceManager* mServMgr; + nsCOMPtr mDirSvcProvider; + nsCOMPtr mProfD; + nsCOMPtr mGRED; + nsCOMPtr mGREBinD; +}; + +NS_IMPL_QUERY_INTERFACE(ScopedXPCOM, nsIDirectoryServiceProvider, + nsIDirectoryServiceProvider2) + +NS_IMETHODIMP_(MozExternalRefCountType) +ScopedXPCOM::AddRef() { return 2; } + +NS_IMETHODIMP_(MozExternalRefCountType) +ScopedXPCOM::Release() { return 1; } + +} // namespace + +#endif // FuzzerTestHarness_h__ -- cgit v1.2.3