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6 | ** This file is part of the test suite of the Qt Toolkit. |
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27 | ****************************************************************************/ |
28 | |
29 | #include <util.h> |
30 | |
31 | #include <QtTest/QtTest> |
32 | #include <QtCore/qprocess.h> |
33 | #include <QtCore/qtemporaryfile.h> |
34 | #include <QtQml/qqml.h> |
35 | #include <QtQml/qqmlapplicationengine.h> |
36 | |
37 | #include <private/qv4global_p.h> |
38 | |
39 | #ifdef Q_OS_WIN |
40 | #include <windows.h> |
41 | #endif |
42 | |
43 | class tst_QV4Assembler : public QQmlDataTest |
44 | { |
45 | Q_OBJECT |
46 | |
47 | private slots: |
48 | void initTestCase() override; |
49 | void perfMapFile(); |
50 | void functionTable(); |
51 | void jitEnabled(); |
52 | }; |
53 | |
54 | void tst_QV4Assembler::initTestCase() |
55 | { |
56 | qputenv(varName: "QV4_JIT_CALL_THRESHOLD" , value: "0" ); |
57 | QQmlDataTest::initTestCase(); |
58 | } |
59 | |
60 | void tst_QV4Assembler::perfMapFile() |
61 | { |
62 | #if !defined(Q_OS_LINUX) || defined(Q_OS_ANDROID) |
63 | QSKIP("perf map files are only generated on linux" ); |
64 | #else |
65 | const QString qmljs = QLibraryInfo::location(QLibraryInfo::BinariesPath) + "/qmljs" ; |
66 | QProcess process; |
67 | |
68 | QTemporaryFile infile; |
69 | QVERIFY(infile.open()); |
70 | infile.write(data: "'use strict'; function foo() { return 42 }; foo();" ); |
71 | infile.close(); |
72 | |
73 | QProcessEnvironment environment = QProcessEnvironment::systemEnvironment(); |
74 | environment.insert(name: "QV4_PROFILE_WRITE_PERF_MAP" , value: "1" ); |
75 | environment.insert(name: "QV4_JIT_CALL_THRESHOLD" , value: "0" ); |
76 | |
77 | process.setProcessEnvironment(environment); |
78 | process.start(program: qmljs, arguments: QStringList({infile.fileName()})); |
79 | QVERIFY(process.waitForStarted()); |
80 | const qint64 pid = process.processId(); |
81 | QVERIFY(pid != 0); |
82 | QVERIFY(process.waitForFinished()); |
83 | QCOMPARE(process.exitCode(), 0); |
84 | |
85 | QFile file(QString::fromLatin1(str: "/tmp/perf-%1.map" ).arg(a: pid)); |
86 | QVERIFY(file.exists()); |
87 | QVERIFY(file.open(QIODevice::ReadOnly)); |
88 | QList<QByteArray> functions; |
89 | while (!file.atEnd()) { |
90 | const QByteArray contents = file.readLine(); |
91 | QVERIFY(contents.endsWith('\n')); |
92 | QList<QByteArray> fields = contents.split(sep: ' '); |
93 | QCOMPARE(fields.length(), 3); |
94 | bool ok = false; |
95 | const qulonglong address = fields[0].toULongLong(ok: &ok, base: 16); |
96 | QVERIFY(ok); |
97 | QVERIFY(address > 0); |
98 | const ulong size = fields[1].toULong(ok: &ok, base: 16); |
99 | QVERIFY(ok); |
100 | QVERIFY(size > 0); |
101 | functions.append(t: fields[2]); |
102 | } |
103 | QVERIFY(functions.contains("foo\n" )); |
104 | #endif |
105 | } |
106 | |
107 | #ifdef Q_OS_WIN |
108 | class Crash : public QObject |
109 | { |
110 | Q_OBJECT |
111 | public: |
112 | explicit Crash(QObject *parent = nullptr) : QObject(parent) { } |
113 | Q_INVOKABLE static void crash(); |
114 | }; |
115 | |
116 | static bool crashHandlerHit = false; |
117 | |
118 | static LONG WINAPI crashHandler(EXCEPTION_POINTERS*) |
119 | { |
120 | crashHandlerHit = true; |
121 | return EXCEPTION_CONTINUE_EXECUTION; |
122 | } |
123 | |
124 | void Crash::crash() |
125 | { |
126 | SetUnhandledExceptionFilter(crashHandler); |
127 | RaiseException(EXCEPTION_ACCESS_VIOLATION, 0, 0, nullptr); |
128 | } |
129 | #endif |
130 | |
131 | void tst_QV4Assembler::functionTable() |
132 | { |
133 | #ifndef Q_OS_WIN |
134 | QSKIP("Function tables only exist on windows." ); |
135 | #else |
136 | QQmlApplicationEngine engine; |
137 | qmlRegisterType<Crash>("Crash" , 1, 0, "Crash" ); |
138 | engine.load(testFileUrl("crash.qml" )); |
139 | QTRY_VERIFY(crashHandlerHit); |
140 | #endif |
141 | } |
142 | |
143 | void tst_QV4Assembler::jitEnabled() |
144 | { |
145 | #if defined(Q_OS_IOS) || defined(Q_OS_TVOS) |
146 | /* JIT should be disabled on iOS and tvOS. */ |
147 | QVERIFY(!QT_CONFIG(qml_jit)); |
148 | #elif defined(Q_OS_WIN) && defined(Q_PROCESSOR_ARM) |
149 | /* JIT should be disabled Windows on ARM/ARM64 for now. */ |
150 | QVERIFY(!QT_CONFIG(qml_jit)); |
151 | #elif defined(Q_OS_MACOS) && defined(Q_PROCESSOR_ARM) |
152 | /* JIT should be disabled on macOS on ARM/ARM64 for now. */ |
153 | QVERIFY(!QT_CONFIG(qml_jit)); |
154 | #else |
155 | /* JIT should be enabled on all other architectures/OSes tested in CI. */ |
156 | QVERIFY(QT_CONFIG(qml_jit)); |
157 | #endif |
158 | } |
159 | |
160 | QTEST_MAIN(tst_QV4Assembler) |
161 | |
162 | #include "tst_qv4assembler.moc" |
163 | |
164 | |