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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtTest/QtTest>
#include <QtXml/QXmlStreamReader>
#include <private/cycle_p.h>
class tst_Selftests: public QObject
{
Q_OBJECT
private slots:
void runSubTest_data();
void runSubTest();
void cleanupTestCase();
private:
void doRunSubTest(QString const& subdir, QString const& logger, QStringList const& arguments );
};
struct BenchmarkResult
{
qint64 total;
qint64 iterations;
QString unit;
inline QString toString() const
{ return QString("total:%1, unit:%2, iterations:%3").arg(total).arg(unit).arg(iterations); }
static BenchmarkResult parse(QString const&, QString*);
};
QT_BEGIN_NAMESPACE
namespace QTest
{
template <>
inline bool qCompare
(BenchmarkResult const &r1, BenchmarkResult const &r2,
const char* actual, const char* expected, const char* file, int line)
{
// First make sure the iterations and unit match.
if (r1.iterations != r2.iterations || r1.unit != r2.unit) {
/* Nope - compare whole string for best failure message */
return qCompare(r1.toString(), r2.toString(), actual, expected, file, line);
}
/*
Now check the value. Some variance is allowed, and how much depends on the
measured unit.
*/
qreal variance = 0.;
if (r1.unit == "msec") {
variance = 0.1;
}
else if (r1.unit == "instruction reads") {
variance = 0.001;
}
else if (r1.unit == "ticks") {
variance = 0.001;
}
if (variance == 0.) {
/* No variance allowed - compare whole string */
return qCompare(r1.toString(), r2.toString(), actual, expected, file, line);
}
if (qAbs(qreal(r1.total) - qreal(r2.total)) <= qreal(r1.total)*variance) {
return compare_helper(true, "COMPARE()", file, line);
}
/* Whoops, didn't match. Compare the whole string for the most useful failure message. */
return qCompare(r1.toString(), r2.toString(), actual, expected, file, line);
}
}
QT_END_NAMESPACE
static QList<QByteArray> splitLines(QByteArray ba)
{
ba.replace('\r', "");
QList<QByteArray> out = ba.split('\n');
// Replace any ` file="..."' or ` line="..."' in XML with a generic location.
static const char *markers[][2] = {
{ " file=\"", " file=\"__FILE__\"" },
{ " line=\"", " line=\"__LINE__\"" }
};
static const int markerCount = sizeof markers / sizeof markers[0];
for (int i = 0; i < out.size(); ++i) {
QByteArray& line = out[i];
for (int j = 0; j < markerCount; ++j) {
int index = line.indexOf(markers[j][0]);
if (index == -1) {
continue;
}
int end = line.indexOf('"', index + strlen(markers[j][0]) + 1);
if (end == -1) {
continue;
}
line.replace(index, end-index, markers[j][1]);
}
}
return out;
}
static QList<QByteArray> expectedResult(const QString &subdir, const QString &logger)
{
QString suffix = logger;
if (suffix.isEmpty()) {
suffix = "txt";
}
QFile file(":/expected_" + subdir + "." + suffix);
if (!file.open(QIODevice::ReadOnly))
return QList<QByteArray>();
return splitLines(file.readAll());
}
struct Logger
{
Logger(QString const&, QString const&, QStringList const&);
QString name;
QString testdata_suffix;
QStringList arguments;
};
Logger::Logger(QString const& _name, QString const& _testdata_suffix, QStringList const& _arguments)
: name(_name)
, testdata_suffix(_testdata_suffix)
, arguments(_arguments)
{
}
static QList<Logger> allLoggers()
{
return QList<Logger>()
<< Logger("plain", "txt", QStringList())
<< Logger("xml", "xml", QStringList() << "-xml")
<< Logger("xml flush", "xml", QStringList() << "-xml" << "-flush")
<< Logger("xunitxml", "xunitxml", QStringList() << "-xunitxml")
<< Logger("lightxml", "lightxml", QStringList() << "-lightxml")
;
}
void tst_Selftests::runSubTest_data()
{
QTest::addColumn<QString>("subdir");
QTest::addColumn<QString>("logger");
QTest::addColumn<QStringList>("arguments");
QStringList tests = QStringList()
<< "subtest"
<< "warnings"
<< "maxwarnings"
<< "cmptest"
// << "alive" // timer dependent
<< "globaldata"
<< "skipglobal"
<< "skip"
<< "strcmp"
<< "expectfail"
<< "sleep"
<< "fetchbogus"
<< "crashes"
<< "multiexec"
<< "failinit"
<< "failinitdata"
<< "skipinit"
<< "skipinitdata"
<< "datetime"
<< "singleskip"
//on windows assert does nothing in release mode and blocks execution with a popup window in debug mode
#if !defined(Q_OS_WIN)
<< "assert"
#endif
<< "waitwithoutgui"
<< "differentexec"
#ifndef QT_NO_EXCEPTIONS
// The machine that run the intel autotests will popup a dialog
// with a warning that an uncaught exception was thrown.
// This will time out and falsely fail, therefore we disable the test for that platform.
# if !defined(Q_CC_INTEL) || !defined(Q_OS_WIN)
<< "exceptionthrow"
# endif
#endif
<< "qexecstringlist"
<< "datatable"
<< "commandlinedata"
#if defined(__GNUC__) && defined(__i386) && defined(Q_OS_LINUX)
<< "benchlibcallgrind"
#endif
<< "benchlibeventcounter"
<< "benchliboptions"
//### These tests are affected by timing and whether the CPU tick counter is
//### monotonically increasing. They won't work on some machines so leave them off by default.
//### Feel free to uncomment for your own testing.
#if 0
<< "benchlibwalltime"
<< "benchlibtickcounter"
#endif
<< "xunit"
<< "longstring"
<< "badxml"
;
foreach (Logger const& logger, allLoggers()) {
QString rowSuffix;
if (logger.name != "plain") {
rowSuffix = QString(" %1").arg(logger.name);
}
foreach (QString const& subtest, tests) {
QStringList arguments = logger.arguments;
if (subtest == "commandlinedata") {
arguments << QString("fiveTablePasses fiveTablePasses:fiveTablePasses_data1 -v2").split(' ');
}
else if (subtest == "benchlibcallgrind") {
arguments << "-callgrind";
}
else if (subtest == "benchlibeventcounter") {
arguments << "-eventcounter";
}
else if (subtest == "benchliboptions") {
arguments << "-eventcounter";
}
else if (subtest == "benchlibtickcounter") {
arguments << "-tickcounter";
}
else if (subtest == "badxml") {
arguments << "-eventcounter";
}
// These tests don't work right with loggers other than plain, usually because
// they internally supply arguments to themselves.
if (logger.name != "plain") {
if (subtest == "differentexec") {
continue;
}
if (subtest == "qexecstringlist") {
continue;
}
if (subtest == "benchliboptions") {
continue;
}
if (subtest == "waitwithoutgui") {
continue;
}
// `crashes' will not output valid XML on platforms without a crash handler
if (subtest == "crashes") {
continue;
}
// this test prints out some floats in the testlog and the formatting is
// platform-specific and hard to predict.
if (subtest == "subtest") {
continue;
}
}
QTest::newRow(qPrintable(QString("%1%2").arg(subtest).arg(rowSuffix)))
<< subtest
<< logger.testdata_suffix
<< arguments
;
}
}
}
void tst_Selftests::doRunSubTest(QString const& subdir, QString const& logger, QStringList const& arguments )
{
// For the plain text logger, we'll read straight from standard output.
// For all other loggers (XML), we'll tell testlib to redirect to a file.
// The reason is that tests are allowed to print to standard output, and
// that means the test log is no longer guaranteed to be valid XML.
QStringList extraArguments;
QString logfile;
if (logger != "txt") {
logfile = "test_output";
extraArguments << "-o" << logfile;
}
QProcess proc;
proc.setEnvironment(QStringList(""));
proc.start(subdir + "/" + subdir, QStringList() << arguments << extraArguments);
QVERIFY2(proc.waitForFinished(), qPrintable(proc.errorString()));
QByteArray out;
if (logfile.isEmpty()) {
out = proc.readAllStandardOutput();
}
else {
QFile file(logfile);
if (file.open(QIODevice::ReadOnly))
out = file.readAll();
}
const QByteArray err(proc.readAllStandardError());
/* Some platforms decides to output a message for uncaught exceptions. For instance,
* this is what windows platforms says:
* "This application has requested the Runtime to terminate it in an unusual way.
* Please contact the application's support team for more information." */
if(subdir != QLatin1String("exceptionthrow") && subdir != QLatin1String("fetchbogus")
&& subdir != QLatin1String("xunit"))
QVERIFY2(err.isEmpty(), err.constData());
QList<QByteArray> res = splitLines(out);
QList<QByteArray> exp = expectedResult(subdir, logger);
if (exp.count() == 0) {
QList<QList<QByteArray> > expArr;
int i = 1;
do {
exp = expectedResult(subdir + QString("_%1").arg(i++), logger);
if (exp.count())
expArr += exp;
} while(exp.count());
for (int j = 0; j < expArr.count(); ++j) {
if (res.count() == expArr.at(j).count()) {
exp = expArr.at(j);
break;
}
}
} else {
QCOMPARE(res.count(), exp.count());
}
if (logger == "xunitxml" || logger == "xml" || logger == "lightxml") {
QByteArray xml(out);
// lightxml intentionally skips the root element, which technically makes it
// not valid XML.
// We'll add that ourselves for the purpose of validation.
if (logger == "lightxml") {
xml.prepend("<root>");
xml.append("</root>");
}
QXmlStreamReader reader(xml);
while(!reader.atEnd())
reader.readNext();
QVERIFY2(!reader.error(), qPrintable(QString("line %1, col %2: %3")
.arg(reader.lineNumber())
.arg(reader.columnNumber())
.arg(reader.errorString())
));
}
bool benchmark = false;
for (int i = 0; i < res.count(); ++i) {
QByteArray line = res.at(i);
if (line.startsWith("Config: Using QTest"))
continue;
// the __FILE__ __LINE__ output is compiler dependent, skip it
if (line.startsWith(" Loc: [") && line.endsWith(")]"))
continue;
if (line.endsWith(" : failure location"))
continue;
const QString output(QString::fromLatin1(line));
const QString expected(QString::fromLatin1(exp.at(i)).replace("@INSERT_QT_VERSION_HERE@", QT_VERSION_STR));
if (line.contains("ASSERT") && output != expected) {
QEXPECT_FAIL("assert", "QTestLib prints out the absolute path.", Continue);
QEXPECT_FAIL("assert xml", "QTestLib prints out the absolute path.", Continue);
QEXPECT_FAIL("assert xml flush","QTestLib prints out the absolute path.", Continue);
QEXPECT_FAIL("assert lightxml", "QTestLib prints out the absolute path.", Continue);
QEXPECT_FAIL("assert xunitxml", "QTestLib prints out the absolute path.", Continue);
}
/* On some platforms we compile without RTTI, and as a result we never throw an exception. */
if(expected.startsWith(QLatin1String("FAIL! : tst_Exception::throwException() Caught unhandled exce")) && expected != output)
QCOMPARE(output.simplified(), QString::fromLatin1("tst_Exception::throwException()").simplified());
else
{
if(output != expected && qstrcmp(QTest::currentDataTag(), "subtest") == 0)
{
/* The floating point formatting differs between platforms, so let's just skip it. */
continue;
}
else {
/*
Are we expecting this line to be a benchmark result?
If so, don't do a literal comparison, since results have some natural variance.
*/
if (benchmark || line.startsWith("<BenchmarkResult")) {
QString error;
BenchmarkResult actualResult = BenchmarkResult::parse(output, &error);
QVERIFY2(error.isEmpty(), qPrintable(QString("Actual line didn't parse as benchmark result: %1\nLine: %2").arg(error).arg(output)));
BenchmarkResult expectedResult = BenchmarkResult::parse(expected, &error);
QVERIFY2(error.isEmpty(), qPrintable(QString("Expected line didn't parse as benchmark result: %1\nLine: %2").arg(error).arg(expected)));
QCOMPARE(actualResult, expectedResult);
}
else {
QCOMPARE(output, expected);
}
}
}
benchmark = line.startsWith("RESULT : ");
}
}
void tst_Selftests::runSubTest()
{
QFETCH(QString, subdir);
QFETCH(QString, logger);
QFETCH(QStringList, arguments);
doRunSubTest(subdir, logger, arguments);
}
// attribute must contain ="
QString extractXmlAttribute(const QString &line, const char *attribute)
{
int index = line.indexOf(attribute);
if (index == -1)
return QString();
int end = line.indexOf('"', index + strlen(attribute));
if (end == -1)
return QString();
QString result = line.mid(index + strlen(attribute), end - index - strlen(attribute));
if (result.isEmpty())
return ""; // ensure empty but not null
return result;
}
/* Parse line into the BenchmarkResult it represents. */
BenchmarkResult BenchmarkResult::parse(QString const& line, QString* error)
{
if (error) *error = QString();
BenchmarkResult out;
QString remaining = line.trimmed();
if (remaining.isEmpty()) {
if (error) *error = "Line is empty";
return out;
}
if (line.startsWith("<BenchmarkResult ")) {
// XML result
// format:
// <BenchmarkResult metric="$unit" tag="$tag" value="$total" iterations="$iterations" />
if (!line.endsWith("/>")) {
if (error) *error = "unterminated XML";
return out;
}
QString unit = extractXmlAttribute(line, " metric=\"");
QString sTotal = extractXmlAttribute(line, " value=\"");
QString sIterations = extractXmlAttribute(line, " iterations=\"");
if (unit.isNull() || sTotal.isNull() || sIterations.isNull()) {
if (error) *error = "XML snippet did not contain all required values";
return out;
}
bool ok;
#if QT_VERSION >= 0x040700
// Qt 4.7 uses floating point
double total = sTotal.toDouble(&ok);
if (!ok) {
if (error) *error = sTotal + " is not a valid number";
return out;
}
double iterations = sIterations.toDouble(&ok);
if (!ok) {
if (error) *error = sIterations + " is not a valid number";
return out;
}
#else
qlonglong total = sTotal.toLongLong(&ok);
if (!ok) {
if (error) *error = sTotal + " is not a valid integer";
return out;
}
qlonglong iterations = sIterations.toLongLong(&ok);
if (!ok) {
if (error) *error = sIterations + " is not a valid integer";
return out;
}
#endif
out.unit = unit;
out.total = total;
out.iterations = iterations;
return out;
}
// Text result
/* This code avoids using a QRegExp because QRegExp might be broken. */
/* Sample format: 4,000 msec per iteration (total: 4,000, iterations: 1) */
QString sFirstNumber;
while (!remaining.isEmpty() && !remaining.at(0).isSpace()) {
sFirstNumber += remaining.at(0);
remaining.remove(0,1);
}
remaining = remaining.trimmed();
/* 4,000 -> 4000 */
sFirstNumber.remove(',');
/* Should now be parseable as floating point */
bool ok;
double firstNumber = sFirstNumber.toDouble(&ok);
if (!ok) {
if (error) *error = sFirstNumber + " (at beginning of line) is not a valid number";
return out;
}
/* Remaining: msec per iteration (total: 4000, iterations: 1) */
static const char periterbit[] = " per iteration (total: ";
QString unit;
while (!remaining.startsWith(periterbit) && !remaining.isEmpty()) {
unit += remaining.at(0);
remaining.remove(0,1);
}
if (remaining.isEmpty()) {
if (error) *error = "Could not find pattern: '<unit> per iteration (total: '";
return out;
}
remaining = remaining.mid(sizeof(periterbit)-1);
/* Remaining: 4,000, iterations: 1) */
static const char itersbit[] = ", iterations: ";
QString sTotal;
while (!remaining.startsWith(itersbit) && !remaining.isEmpty()) {
sTotal += remaining.at(0);
remaining.remove(0,1);
}
if (remaining.isEmpty()) {
if (error) *error = "Could not find pattern: '<number>, iterations: '";
return out;
}
remaining = remaining.mid(sizeof(itersbit)-1);
/* 4,000 -> 4000 */
sTotal.remove(',');
double total = sTotal.toDouble(&ok);
if (!ok) {
if (error) *error = sTotal + " (total) is not a valid number";
return out;
}
/* Remaining: 1) */
QString sIters;
while (remaining != QLatin1String(")") && !remaining.isEmpty()) {
sIters += remaining.at(0);
remaining.remove(0,1);
}
if (remaining.isEmpty()) {
if (error) *error = "Could not find pattern: '<num>)'";
return out;
}
qint64 iters = sIters.toLongLong(&ok);
if (!ok) {
if (error) *error = sIters + " (iterations) is not a valid integer";
return out;
}
double calcFirstNumber = double(total)/double(iters);
if (!qFuzzyCompare(firstNumber, calcFirstNumber)) {
if (error) *error = QString("total/iters is %1, but benchlib output result as %2").arg(calcFirstNumber).arg(firstNumber);
return out;
}
out.total = total;
out.unit = unit;
out.iterations = iters;
return out;
}
void tst_Selftests::cleanupTestCase()
{
QFile::remove("test_output");
}
QTEST_MAIN(tst_Selftests)
#include "tst_selftests.moc"
|