1 files changed, 91 insertions, 0 deletions
diff --git a/tests/auto/qml/qv4assembler/tst_qv4assembler.cpp b/tests/auto/qml/qv4assembler/tst_qv4assembler.cpp
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+++ b/tests/auto/qml/qv4assembler/tst_qv4assembler.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtCore/qprocess.h>
+#include <QtCore/qtemporaryfile.h>
+
+class tst_QV4Assembler : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void perfMapFile();
+};
+
+void tst_QV4Assembler::perfMapFile()
+{
+#if !defined(Q_OS_LINUX)
+    QSKIP("perf map files are only generated on linux");
+#else
+    const QString qmljs = QLibraryInfo::location(QLibraryInfo::BinariesPath) + "/qmljs";
+    QProcess process;
+
+    QTemporaryFile infile;
+    QVERIFY(infile.open());
+    infile.write("'use strict'; function foo() { return 42 }; foo();");
+    infile.close();
+
+    QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
+    environment.insert("QV4_PROFILE_WRITE_PERF_MAP", "1");
+    environment.insert("QV4_JIT_CALL_THRESHOLD", "0");
+
+    process.setProcessEnvironment(environment);
+    process.start(qmljs, QStringList({infile.fileName()}));
+    QVERIFY(process.waitForStarted());
+    const qint64 pid = process.processId();
+    QVERIFY(pid != 0);
+    QVERIFY(process.waitForFinished());
+    QCOMPARE(process.exitCode(), 0);
+
+    QFile file(QString::fromLatin1("/tmp/perf-%1.map").arg(pid));
+    QVERIFY(file.exists());
+    QVERIFY(file.open(QIODevice::ReadOnly));
+    QList<QByteArray> functions;
+    while (!file.atEnd()) {
+        const QByteArray contents = file.readLine();
+        QVERIFY(contents.endsWith('\n'));
+        QList<QByteArray> fields = contents.split(' ');
+        QCOMPARE(fields.length(), 3);
+        bool ok = false;
+        const qulonglong address = fields[0].toULongLong(&ok, 16);
+        QVERIFY(ok);
+        QVERIFY(address > 0);
+        const ulong size = fields[1].toULong(&ok, 16);
+        QVERIFY(ok);
+        QVERIFY(size > 0);
+        functions.append(fields[2]);
+    }
+    QVERIFY(functions.contains("foo\n"));
+#endif
+}
+
+QTEST_MAIN(tst_QV4Assembler)
+
+#include "tst_qv4assembler.moc"
+