Move QEMU emulation detector to QTest

The emulation detection has been usable only on qtbase tests, move it to
QTest so that it can be used in other modules as well.

Pick-to: 6.1
Change-Id: I4b2321b7856414d7b1cfd5e6b1405a633c6bb878
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

24 files changed, 40 insertions, 61 deletions

diff --git a/tests/auto/corelib/io/largefile/CMakeLists.txt b/tests/auto/corelib/io/largefile/CMakeLists.txt
index be4b21033f..a82aa0c985 100644
--- a/tests/auto/corelib/io/largefile/CMakeLists.txt
+++ b/tests/auto/corelib/io/largefile/CMakeLists.txt
@@ -6,8 +6,7 @@
 
 qt_internal_add_test(tst_largefile
     SOURCES
-        ../../../../shared/emulationdetector.h
         tst_largefile.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../shared
+    PUBLIC_LIBRARIES
+        Qt::TestPrivate
 )
diff --git a/tests/auto/corelib/io/largefile/tst_largefile.cpp b/tests/auto/corelib/io/largefile/tst_largefile.cpp
index 98bb985c02..fcc0a31763 100644
--- a/tests/auto/corelib/io/largefile/tst_largefile.cpp
+++ b/tests/auto/corelib/io/largefile/tst_largefile.cpp
@@ -48,7 +48,7 @@
 #  endif
 #endif // Q_OS_WIN
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 class tst_LargeFile
     : public QObject
@@ -73,7 +73,7 @@ public:
     #endif
 
         // QEMU only supports < 4GB files
-        if (EmulationDetector::isRunningArmOnX86())
+        if (QTestPrivate::isRunningArmOnX86())
             maxSizeBits = qMin(maxSizeBits, 28);
     }
 
diff --git a/tests/auto/corelib/io/qfile/CMakeLists.txt b/tests/auto/corelib/io/qfile/CMakeLists.txt
index 7a0102bfd9..4d9a0d2598 100644
--- a/tests/auto/corelib/io/qfile/CMakeLists.txt
+++ b/tests/auto/corelib/io/qfile/CMakeLists.txt
@@ -19,12 +19,10 @@ list(APPEND test_data "resources/file1.ext1")
 
 qt_internal_add_test(tst_qfile
     SOURCES
-        ../../../../shared/emulationdetector.h
         tst_qfile.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../shared
     PUBLIC_LIBRARIES
         Qt::CorePrivate
+        Qt::TestPrivate
     TESTDATA ${test_data}
 )
 
diff --git a/tests/auto/corelib/io/qfile/tst_qfile.cpp b/tests/auto/corelib/io/qfile/tst_qfile.cpp
index 2019afaf66..bdfcc2d350 100644
--- a/tests/auto/corelib/io/qfile/tst_qfile.cpp
+++ b/tests/auto/corelib/io/qfile/tst_qfile.cpp
@@ -46,7 +46,7 @@
 #include <private/qfsfileengine_p.h>
 #include <private/qfilesystemengine_p.h>
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 #ifdef Q_OS_WIN
 QT_BEGIN_NAMESPACE
@@ -2553,10 +2553,10 @@ void tst_QFile::virtualFile()
     // open the file
     QFile f(fname);
     QVERIFY2(f.open(QIODevice::ReadOnly), msgOpenFailed(f).constData());
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QEXPECT_FAIL("","QEMU does not read /proc/self/maps size correctly", Continue);
     QCOMPARE(f.size(), Q_INT64_C(0));
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QEXPECT_FAIL("","QEMU does not read /proc/self/maps size correctly", Continue);
     QVERIFY(f.atEnd());
 
diff --git a/tests/auto/corelib/io/qprocess/test/CMakeLists.txt b/tests/auto/corelib/io/qprocess/test/CMakeLists.txt
index 249cb089cf..75cddf41a8 100644
--- a/tests/auto/corelib/io/qprocess/test/CMakeLists.txt
+++ b/tests/auto/corelib/io/qprocess/test/CMakeLists.txt
@@ -7,13 +7,11 @@
 qt_internal_add_test(tst_qprocess
     OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../"
     SOURCES
-        ../../../../../shared/emulationdetector.h
         ../tst_qprocess.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../../shared
     PUBLIC_LIBRARIES
         Qt::CorePrivate
         Qt::Network
+        Qt::TestPrivate
 )
 
 #### Keys ignored in scope 1:.:.:test.pro:<TRUE>:
diff --git a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
index b6ba4e546c..41172a10dd 100644
--- a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
+++ b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp
@@ -27,11 +27,10 @@
 **
 ****************************************************************************/
 
-#include <emulationdetector.h>
-
 #include <QTest>
 #include <QTestEventLoop>
 #include <QSignalSpy>
+#include <QtTest/private/qemulationdetector_p.h>
 
 #include <QtCore/QProcess>
 #include <QtCore/QDir>
@@ -1237,7 +1236,7 @@ void tst_QProcess::processInAThread()
 
 void tst_QProcess::processesInMultipleThreads()
 {
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("Flakily hangs in QEMU. QTBUG-67760");
     for (int i = 0; i < 10; ++i) {
         // run from 1 to 10 threads, but run at least some tests
diff --git a/tests/auto/corelib/serialization/qtextstream/test/CMakeLists.txt b/tests/auto/corelib/serialization/qtextstream/test/CMakeLists.txt
index 61d594900f..c90a6f12c5 100644
--- a/tests/auto/corelib/serialization/qtextstream/test/CMakeLists.txt
+++ b/tests/auto/corelib/serialization/qtextstream/test/CMakeLists.txt
@@ -15,12 +15,10 @@ list(APPEND test_data "../BLACKLIST")
 qt_internal_add_test(tst_qtextstream
     OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../"
     SOURCES
-        ../../../../../shared/emulationdetector.h
         ../tst_qtextstream.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../../shared
     PUBLIC_LIBRARIES
         Qt::Network
+        Qt::TestPrivate
     TESTDATA ${test_data}
 )
 
diff --git a/tests/auto/corelib/serialization/qtextstream/tst_qtextstream.cpp b/tests/auto/corelib/serialization/qtextstream/tst_qtextstream.cpp
index 3ab095827f..c02da8efe1 100644
--- a/tests/auto/corelib/serialization/qtextstream/tst_qtextstream.cpp
+++ b/tests/auto/corelib/serialization/qtextstream/tst_qtextstream.cpp
@@ -45,7 +45,7 @@
 # include <QProcess>
 #endif
 #include "../../../network-settings.h"
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 QT_BEGIN_NAMESPACE
 template<> struct QMetaTypeId<QIODevice::OpenModeFlag>
@@ -1417,7 +1417,7 @@ void tst_QTextStream::pos2()
 // ------------------------------------------------------------------------------
 void tst_QTextStream::pos3LargeFile()
 {
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("Running QTextStream::pos() in tight loop is too slow on emulator");
 
     {
diff --git a/tests/auto/corelib/thread/qthread/CMakeLists.txt b/tests/auto/corelib/thread/qthread/CMakeLists.txt
index b3662f31da..96c649f106 100644
--- a/tests/auto/corelib/thread/qthread/CMakeLists.txt
+++ b/tests/auto/corelib/thread/qthread/CMakeLists.txt
@@ -6,10 +6,9 @@
 
 qt_internal_add_test(tst_qthread
     SOURCES
-        ../../../../shared/emulationdetector.h
         tst_qthread.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../shared
+    PUBLIC_LIBRARIES
+        Qt::TestPrivate
 )
 
 ## Scopes:
diff --git a/tests/auto/corelib/thread/qthread/tst_qthread.cpp b/tests/auto/corelib/thread/qthread/tst_qthread.cpp
index a34129d59a..7e06e7f51f 100644
--- a/tests/auto/corelib/thread/qthread/tst_qthread.cpp
+++ b/tests/auto/corelib/thread/qthread/tst_qthread.cpp
@@ -55,7 +55,7 @@
 #include <exception>
 #endif
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 class tst_QThread : public QObject
 {
@@ -951,7 +951,7 @@ void tst_QThread::adoptMultipleThreadsOverlap()
 // Disconnects on WinCE
 void tst_QThread::stressTest()
 {
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("Qemu uses too much memory for each thread. Test would run out of memory.");
 
     QElapsedTimer timer;
diff --git a/tests/auto/gui/itemmodels/qfilesystemmodel/CMakeLists.txt b/tests/auto/gui/itemmodels/qfilesystemmodel/CMakeLists.txt
index 375eb5b245..31fd8ca32d 100644
--- a/tests/auto/gui/itemmodels/qfilesystemmodel/CMakeLists.txt
+++ b/tests/auto/gui/itemmodels/qfilesystemmodel/CMakeLists.txt
@@ -6,15 +6,13 @@
 
 qt_internal_add_test(tst_qfilesystemmodel
     SOURCES
-        ../../../../shared/emulationdetector.h
         tst_qfilesystemmodel.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../shared
     PUBLIC_LIBRARIES
         Qt::CorePrivate
         Qt::Gui
         Qt::Widgets
         Qt::WidgetsPrivate
+        Qt::TestPrivate
 )
 
 ## Scopes:
diff --git a/tests/auto/gui/itemmodels/qfilesystemmodel/tst_qfilesystemmodel.cpp b/tests/auto/gui/itemmodels/qfilesystemmodel/tst_qfilesystemmodel.cpp
index a096fcd324..b9c44aa4c2 100644
--- a/tests/auto/gui/itemmodels/qfilesystemmodel/tst_qfilesystemmodel.cpp
+++ b/tests/auto/gui/itemmodels/qfilesystemmodel/tst_qfilesystemmodel.cpp
@@ -27,11 +27,11 @@
 ****************************************************************************/
 
 
-#include <emulationdetector.h>
 #include <QTest>
 #include <QSignalSpy>
 #include <QTemporaryFile>
 #include <QLoggingCategory>
+#include <QtTest/private/qemulationdetector_p.h>
 
 #ifdef QT_BUILD_INTERNAL
 #include <private/qfilesystemmodel_p.h>
@@ -792,7 +792,7 @@ void tst_QFileSystemModel::sort()
     QTreeView tree;
     tree.setWindowTitle(QTest::currentTestFunction());
 
-    if (fileDialogMode && EmulationDetector::isRunningArmOnX86())
+    if (fileDialogMode && QTestPrivate::isRunningArmOnX86())
         QSKIP("Crashes in QEMU. QTBUG-70572");
 
 #ifdef QT_BUILD_INTERNAL
diff --git a/tests/auto/gui/text/qfont/CMakeLists.txt b/tests/auto/gui/text/qfont/CMakeLists.txt
index 32cbed7aaf..05c6ca8270 100644
--- a/tests/auto/gui/text/qfont/CMakeLists.txt
+++ b/tests/auto/gui/text/qfont/CMakeLists.txt
@@ -11,8 +11,7 @@ qt_internal_add_test(tst_qfont
         Qt::CorePrivate
         Qt::Gui
         Qt::GuiPrivate
-    INCLUDE_DIRECTORIES
-        ../../../../shared
+        Qt::TestPrivate
 )
 
 # Resources:
diff --git a/tests/auto/gui/text/qfont/tst_qfont.cpp b/tests/auto/gui/text/qfont/tst_qfont.cpp
index efd1215d70..aa9f8a8ce4 100644
--- a/tests/auto/gui/text/qfont/tst_qfont.cpp
+++ b/tests/auto/gui/text/qfont/tst_qfont.cpp
@@ -41,7 +41,7 @@
 #include <qwidget.h>
 #endif
 #include <qlist.h>
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 class tst_QFont : public QObject
 {
@@ -578,7 +578,7 @@ void tst_QFont::defaultFamily()
         }
     }
 #ifdef Q_PROCESSOR_ARM_32
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QEXPECT_FAIL("", "Fails on ARMv7 QEMU (QTQAINFRA-4127)", Continue);
 #endif
 
diff --git a/tests/auto/network/access/http2/CMakeLists.txt b/tests/auto/network/access/http2/CMakeLists.txt
index 7ac1c8001c..735f95deff 100644
--- a/tests/auto/network/access/http2/CMakeLists.txt
+++ b/tests/auto/network/access/http2/CMakeLists.txt
@@ -6,15 +6,13 @@
 
 qt_internal_add_test(tst_http2
     SOURCES
-        ../../../../shared/emulationdetector.h
         http2srv.cpp http2srv.h
         tst_http2.cpp
     DEFINES
         SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
-    INCLUDE_DIRECTORIES
-        ../../../../shared
     PUBLIC_LIBRARIES
         Qt::CorePrivate
         Qt::Network
         Qt::NetworkPrivate
+        Qt::TestPrivate
 )
diff --git a/tests/auto/network/access/http2/tst_http2.cpp b/tests/auto/network/access/http2/tst_http2.cpp
index d4ef1520a7..1aa012c6ac 100644
--- a/tests/auto/network/access/http2/tst_http2.cpp
+++ b/tests/auto/network/access/http2/tst_http2.cpp
@@ -55,7 +55,7 @@
 #include <memory>
 #include <string>
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 #if (!defined(QT_NO_OPENSSL) && OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(OPENSSL_NO_TLSEXT)) \
         || QT_CONFIG(schannel)
@@ -379,7 +379,7 @@ void tst_Http2::flowControlServerSide()
     // to let all replies finish without any error.
     using namespace Http2;
 
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("Test is too slow to run on emulator");
 
     clearHTTP2State();
diff --git a/tests/auto/network/socket/qudpsocket/test/CMakeLists.txt b/tests/auto/network/socket/qudpsocket/test/CMakeLists.txt
index 7bd9bd80fb..6a781aadc4 100644
--- a/tests/auto/network/socket/qudpsocket/test/CMakeLists.txt
+++ b/tests/auto/network/socket/qudpsocket/test/CMakeLists.txt
@@ -8,10 +8,9 @@ qt_internal_add_test(tst_qudpsocket
     OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../" # special case
     SOURCES
         ../tst_qudpsocket.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../../shared
     PUBLIC_LIBRARIES
         Qt::Network
+        Qt::TestPrivate
     QT_TEST_SERVER_LIST "danted" "echo" # special case
 )
 
diff --git a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
index 1f3c8583f2..22f5f3f4c7 100644
--- a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
+++ b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
@@ -52,7 +52,7 @@
 
 #include <qstringlist.h>
 #include "../../../network-settings.h"
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 #if defined(Q_OS_LINUX)
 #define SHOULD_CHECK_SYSCALL_SUPPORT
@@ -302,7 +302,7 @@ void tst_QUdpSocket::initTestCase()
     qDebug() << "Will use multicast groups" << multicastGroup4 << multicastGroup6 << linklocalMulticastGroups;
 
     m_workaroundLinuxKernelBug = shouldWorkaroundLinuxKernelBug();
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("This test is unreliable due to QEMU emulation shortcomings.");
 }
 
diff --git a/tests/auto/other/qobjectrace/CMakeLists.txt b/tests/auto/other/qobjectrace/CMakeLists.txt
index 8069b40ad7..7a2be39d81 100644
--- a/tests/auto/other/qobjectrace/CMakeLists.txt
+++ b/tests/auto/other/qobjectrace/CMakeLists.txt
@@ -6,8 +6,7 @@
 
 qt_internal_add_test(qobjectrace
     SOURCES
-        ../../../shared/emulationdetector.h
         tst_qobjectrace.cpp
-    INCLUDE_DIRECTORIES
-        ../../../shared
+    PUBLIC_LIBRARIES
+        Qt::TestPrivate
 )
diff --git a/tests/auto/other/qobjectrace/tst_qobjectrace.cpp b/tests/auto/other/qobjectrace/tst_qobjectrace.cpp
index cdf51f5d0c..ac33fa3ec3 100644
--- a/tests/auto/other/qobjectrace/tst_qobjectrace.cpp
+++ b/tests/auto/other/qobjectrace/tst_qobjectrace.cpp
@@ -30,7 +30,7 @@
 #include <QtCore>
 #include <QTest>
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 enum { OneMinute = 60 * 1000,
        TwoMinutes = OneMinute * 2 };
@@ -260,7 +260,7 @@ public:
 
 void tst_QObjectRace::destroyRace()
 {
-    if (EmulationDetector::isRunningArmOnX86())
+    if (QTestPrivate::isRunningArmOnX86())
         QSKIP("Test is too slow to run on emulator");
 
     enum { ThreadCount = 10, ObjectCountPerThread = 2777,
diff --git a/tests/auto/testlib/selftests/CMakeLists.txt b/tests/auto/testlib/selftests/CMakeLists.txt
index 7a352740da..ec321dc282 100644
--- a/tests/auto/testlib/selftests/CMakeLists.txt
+++ b/tests/auto/testlib/selftests/CMakeLists.txt
@@ -10,11 +10,8 @@ qt_internal_add_test(tst_selftests
     EXCEPTIONS
     CATCH
     SOURCES
-        ../../../shared/emulationdetector.h
         tst_selftests.cpp
         catch.cpp
-    INCLUDE_DIRECTORIES
-        ../../../shared
     PUBLIC_LIBRARIES
         Qt::TestPrivate
     # special case begin
diff --git a/tests/auto/testlib/selftests/float/CMakeLists.txt b/tests/auto/testlib/selftests/float/CMakeLists.txt
index 375cfe1e65..02c61acff3 100644
--- a/tests/auto/testlib/selftests/float/CMakeLists.txt
+++ b/tests/auto/testlib/selftests/float/CMakeLists.txt
@@ -8,12 +8,10 @@ qt_internal_add_executable(float
     NO_INSTALL # special case
     OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} # special case
     SOURCES
-        ../../../../shared/emulationdetector.h
         tst_float.cpp
-    INCLUDE_DIRECTORIES
-        ../../../../shared
     PUBLIC_LIBRARIES
         Qt::Test
+        Qt::TestPrivate
 )
 
 ## Scopes:
diff --git a/tests/auto/testlib/selftests/float/tst_float.cpp b/tests/auto/testlib/selftests/float/tst_float.cpp
index 97b76ccf47..6084b464e2 100644
--- a/tests/auto/testlib/selftests/float/tst_float.cpp
+++ b/tests/auto/testlib/selftests/float/tst_float.cpp
@@ -31,7 +31,7 @@
 #include <QTest>
 #include <QDebug>
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 // Test proper handling of floating-point types
 class tst_float: public QObject
@@ -182,7 +182,7 @@ void tst_float::float16Comparisons_data() const
     QTest::addColumn<qfloat16>("operandLeft");
     QTest::addColumn<qfloat16>("operandRight");
     const qfloat16 zero(0), one(1);
-    const qfloat16 tiny(EmulationDetector::isRunningArmOnX86() ? 0.00099f : 0.001f);
+    const qfloat16 tiny(QTestPrivate::isRunningArmOnX86() ? 0.00099f : 0.001f);
 
     QTest::newRow("should FAIL 1") << one << qfloat16(3);
     QTest::newRow("should PASS 1") << zero << zero;
diff --git a/tests/auto/testlib/selftests/tst_selftests.cpp b/tests/auto/testlib/selftests/tst_selftests.cpp
index 4c5e56b97b..1b1ad50e9b 100644
--- a/tests/auto/testlib/selftests/tst_selftests.cpp
+++ b/tests/auto/testlib/selftests/tst_selftests.cpp
@@ -48,7 +48,7 @@
 
 #include <private/cycle_p.h>
 
-#include "emulationdetector.h"
+#include <QtTest/private/qemulationdetector_p.h>
 
 struct BenchmarkResult
 {
@@ -345,7 +345,7 @@ bool compareLine(const QString &logger, const QString &subdir,
         return true;
     }
 
-    if (EmulationDetector::isRunningArmOnX86() && subdir == QLatin1String("float")) {
+    if (QTestPrivate::isRunningArmOnX86() && subdir == QLatin1String("float")) {
         // QEMU cheats at qfloat16, so outputs it as if it were a float.
         if (actualLine.endsWith(QLatin1String("Actual   (operandLeft) : 0.001"))
             && expectedLine.endsWith(QLatin1String("Actual   (operandLeft) : 0.000999"))) {
@@ -787,7 +787,7 @@ void checkErrorOutput(const QString &test, const QByteArray &errorOutput)
 
 #ifdef Q_OS_LINUX
     // QEMU outputs to stderr about uncaught signals
-    if (EmulationDetector::isRunningArmOnX86() &&
+    if (QTestPrivate::isRunningArmOnX86() &&
         (test == "assert"
          || test == "blacklisted"
          || test == "crashes"