92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2018 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <QtCore/qprocess.h>
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#include <QtCore/qtemporaryfile.h>
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class tst_QV4Assembler : public QObject
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{
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Q_OBJECT
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private slots:
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void perfMapFile();
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};
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void tst_QV4Assembler::perfMapFile()
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{
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#if !defined(Q_OS_LINUX)
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QSKIP("perf map files are only generated on linux");
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#else
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const QString qmljs = QLibraryInfo::location(QLibraryInfo::BinariesPath) + "/qmljs";
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QProcess process;
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QTemporaryFile infile;
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QVERIFY(infile.open());
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infile.write("'use strict'; function foo() { return 42 }; foo();");
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infile.close();
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QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
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environment.insert("QV4_PROFILE_WRITE_PERF_MAP", "1");
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environment.insert("QV4_JIT_CALL_THRESHOLD", "0");
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process.setProcessEnvironment(environment);
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process.start(qmljs, QStringList({infile.fileName()}));
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QVERIFY(process.waitForStarted());
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const qint64 pid = process.processId();
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QVERIFY(pid != 0);
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QVERIFY(process.waitForFinished());
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QCOMPARE(process.exitCode(), 0);
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QFile file(QString::fromLatin1("/tmp/perf-%1.map").arg(pid));
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QVERIFY(file.exists());
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QVERIFY(file.open(QIODevice::ReadOnly));
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QList<QByteArray> functions;
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while (!file.atEnd()) {
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const QByteArray contents = file.readLine();
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QVERIFY(contents.endsWith('\n'));
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QList<QByteArray> fields = contents.split(' ');
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QCOMPARE(fields.length(), 3);
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bool ok = false;
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const qulonglong address = fields[0].toULongLong(&ok, 16);
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QVERIFY(ok);
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QVERIFY(address > 0);
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const ulong size = fields[1].toULong(&ok, 16);
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QVERIFY(ok);
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QVERIFY(size > 0);
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functions.append(fields[2]);
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}
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QVERIFY(functions.contains("foo\n"));
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#endif
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}
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QTEST_MAIN(tst_QV4Assembler)
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#include "tst_qv4assembler.moc"
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