pjs/xpcom/tests/TestHarness.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Jeff Walden <jwalden+code@mit.edu>.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* 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 TestHarness_h__
#define TestHarness_h__
#include "nsComponentManagerUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "nsStringGlue.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceDefs.h"
#include "nsDirectoryServiceUtils.h"
#include "nsIDirectoryService.h"
#include "nsIFile.h"
#include "nsIProperties.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
static PRUint32 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.
*/
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;
}
/**
* Prints the given string prepending "TEST-PASS | " for the benefit of
* the test harness and with "\n" at the end, to be used at the end of a
* successful test function.
*/
void passed(const char* test)
{
printf("TEST-PASS | %s\n", test);
}
//-----------------------------------------------------------------------------
// Code profiling
//
static const char* gCurrentProfile;
static PRBool gProfilerTriedInit = PR_FALSE;
static PRBool gProfilerInited = PR_FALSE;
// Platform profilers must implement these functions.
// Init and deinit are guaranteed to only be called once, and
// StartProfile/StopProfile may assume that they are only called
// when the profiler has successfully been initialized.
static PRBool _PlatformInitProfiler();
static PRBool _PlatformStartProfile(const char* profileName);
static PRBool _PlatformStopProfile(const char* profileName);
static PRBool _PlatformDeinitProfiler();
/**
* If the build has been configured properly, start the best code profiler
* available on this platform.
*
* This is NOT thread safe.
*
* @precondition Profiling is not started
* @param profileName A descriptive name for this profiling run. Every
* attempt is made to name the profile data according
* to this name, but check your platform's profiler
* documentation for what this means.
* @return PR_TRUE if profiling was available and successfully started.
* @see StopProfiling
*/
inline PRBool
StartProfiling(const char* profileName)
{
if (!gProfilerTriedInit) {
gProfilerTriedInit = PR_TRUE;
gProfilerInited = _PlatformInitProfiler();
}
if (!gProfilerInited)
return PR_FALSE;
NS_ASSERTION(profileName, "need a name for this profile");
NS_PRECONDITION(!gCurrentProfile, "started a new profile before stopping another");
PRBool rv = _PlatformStartProfile(profileName);
gCurrentProfile = profileName;
return rv;
}
/**
* Stop the platform's profiler. For what this means, what happens after
* stopping, and how the profile data can be accessed, check the
* documentation of your platform's profiler.
*
* This is NOT thread safe.
*
* @precondition Profiling was started
* @return PR_TRUE if profiling was successfully stopped.
* @see StartProfiling
*/
inline PRBool
StopProfiling()
{
NS_ASSERTION(gProfilerTriedInit, "tried to stop profile before starting one");
if (!gProfilerInited)
return PR_FALSE;
NS_PRECONDITION(gCurrentProfile, "tried to stop profile before starting one");
const char* profileName = gCurrentProfile;
gCurrentProfile = 0;
return _PlatformStopProfile(profileName);
}
//--------------------------------------------------
// Shark impl
#if defined(MOZ_SHARK)
#include <CHUD/CHUD.h>
static PRBool
_PlatformInitProfiler()
{
if (chudSuccess != chudInitialize())
return PR_FALSE;
if (chudSuccess != chudAcquireRemoteAccess()) {
NS_WARNING("Couldn't connect to Shark. Is it running and in Programmatic mode (Shift-Cmd-R)?");
return PR_FALSE;
}
return PR_TRUE;
}
static PRBool
_PlatformStartProfile(const char* profileName)
{
return (chudSuccess == chudStartRemotePerfMonitor(profileName)) ?
PR_TRUE : PR_FALSE;
}
static PRBool
_PlatformStopProfile(const char* profileName)
{
return (chudSuccess == chudStopRemotePerfMonitor()) ?
PR_TRUE : PR_FALSE;
}
static PRBool
_PlatformDeinitProfiler()
{
return (chudIsRemoteAccessAcquired()
&& chudSuccess == chudReleaseRemoteAccess()) ?
PR_TRUE : PR_FALSE;
}
//--------------------------------------------------
// Default, no-profiler impl
#else
static PRBool
_PlatformInitProfiler()
{
NS_WARNING("Profiling is not available/configured for your platform.");
return PR_FALSE;
}
static PRBool
_PlatformStartProfile(const char* profileName)
{
NS_WARNING("Profiling is not available/configured for your platform.");
return PR_FALSE;
}
static PRBool
_PlatformStopProfile(const char* profileName)
{
NS_WARNING("Profiling is not available/configured for your platform.");
return PR_FALSE;
}
static PRBool
_PlatformDeinitProfiler()
{
NS_WARNING("Profiling is not available/configured for your platform.");
return PR_FALSE;
}
#endif
//-----------------------------------------------------------------------------
class ScopedXPCOM : public nsIDirectoryServiceProvider2
{
public:
NS_DECL_ISUPPORTS
ScopedXPCOM(const char* testName,
nsIDirectoryServiceProvider *dirSvcProvider = NULL)
: mDirSvcProvider(dirSvcProvider)
{
mTestName = testName;
printf("Running %s tests...\n", mTestName);
nsresult rv = NS_InitXPCOM2(&mServMgr, NULL, this);
if (NS_FAILED(rv))
{
fail("NS_InitXPCOM2 returned failure code 0x%x", rv);
mServMgr = NULL;
return;
}
}
~ScopedXPCOM()
{
if (gProfilerInited)
if (!_PlatformDeinitProfiler())
NS_WARNING("Problem shutting down profiler");
// If we created a profile directory, we need to remove it.
if (mProfD) {
if (NS_FAILED(mProfD->Remove(PR_TRUE)))
NS_WARNING("Problem removing profile direrctory");
mProfD = nsnull;
}
if (mServMgr)
{
NS_RELEASE(mServMgr);
nsresult rv = NS_ShutdownXPCOM(NULL);
if (NS_FAILED(rv))
{
fail("XPCOM shutdown failed with code 0x%x", rv);
exit(1);
}
}
printf("Finished running %s tests.\n", mTestName);
}
PRBool failed()
{
return mServMgr == NULL;
}
already_AddRefed<nsIFile> GetProfileDirectory()
{
if (mProfD) {
NS_ADDREF(mProfD);
return mProfD.get();
}
// Create a unique temporary folder to use for this test.
nsCOMPtr<nsIFile> profD;
nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR,
getter_AddRefs(profD));
NS_ENSURE_SUCCESS(rv, nsnull);
rv = profD->Append(NS_LITERAL_STRING("cpp-unit-profd"));
NS_ENSURE_SUCCESS(rv, nsnull);
rv = profD->CreateUnique(nsIFile::DIRECTORY_TYPE, 0755);
NS_ENSURE_SUCCESS(rv, nsnull);
mProfD = profD;
return profD.forget();
}
////////////////////////////////////////////////////////////////////////////
//// nsIDirectoryServiceProvider
NS_IMETHODIMP GetFile(const char *aProperty, PRBool *_persistent,
nsIFile **_result)
{
// 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)) {
nsCOMPtr<nsIFile> profD = GetProfileDirectory();
NS_ENSURE_TRUE(profD, NS_ERROR_FAILURE);
nsCOMPtr<nsIFile> clone;
nsresult rv = profD->Clone(getter_AddRefs(clone));
NS_ENSURE_SUCCESS(rv, rv);
*_persistent = PR_TRUE;
clone.forget(_result);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
////////////////////////////////////////////////////////////////////////////
//// nsIDirectoryServiceProvider2
NS_IMETHODIMP GetFiles(const char *aProperty, nsISimpleEnumerator **_enum)
{
// If we were supplied a directory service provider, ask it first.
nsCOMPtr<nsIDirectoryServiceProvider2> 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<nsIDirectoryServiceProvider> mDirSvcProvider;
nsCOMPtr<nsIFile> mProfD;
};
NS_IMPL_QUERY_INTERFACE2(
ScopedXPCOM,
nsIDirectoryServiceProvider,
nsIDirectoryServiceProvider2
)
NS_IMETHODIMP_(nsrefcnt)
ScopedXPCOM::AddRef()
{
return 2;
}
NS_IMETHODIMP_(nsrefcnt)
ScopedXPCOM::Release()
{
return 1;
}
#endif // TestHarness_h__