Make tst_qtextstream parallel-safe.

Write to a QTemporaryDir instead of the test's build directory.

Change-Id: Ib65a0d58fbdf8caf8f2cb7002aeed1ce34742183
Reviewed-by: Toby Tomkins <toby.tomkins@nokia.com>
Reviewed-by: Kalle Lehtonen <kalle.ju.lehtonen@nokia.com>

2 files changed, 21 insertions, 8 deletions

diff --git a/tests/auto/corelib/io/qtextstream/test/test.pro b/tests/auto/corelib/io/qtextstream/test/test.pro
index 93fb6d232f..df0bb137b8 100644
--- a/tests/auto/corelib/io/qtextstream/test/test.pro
+++ b/tests/auto/corelib/io/qtextstream/test/test.pro
@@ -1,4 +1,5 @@
 CONFIG += testcase
+CONFIG += parallel_test
 TARGET = ../tst_qtextstream
 QT = core network testlib
 SOURCES = ../tst_qtextstream.cpp
diff --git a/tests/auto/corelib/io/qtextstream/tst_qtextstream.cpp b/tests/auto/corelib/io/qtextstream/tst_qtextstream.cpp
index 6e330faa85..b22723a00c 100644
--- a/tests/auto/corelib/io/qtextstream/tst_qtextstream.cpp
+++ b/tests/auto/corelib/io/qtextstream/tst_qtextstream.cpp
@@ -50,14 +50,13 @@
 #include <QDebug>
 #include <QFile>
 #include <QTcpSocket>
+#include <QTemporaryDir>
 #include <QTextStream>
 #include <QTextCodec>
 #include <QProcess>
 
 #include "../../../network-settings.h"
 
-static const char *TestFileName = "testfile";
-
 Q_DECLARE_METATYPE(qlonglong)
 Q_DECLARE_METATYPE(qulonglong)
 Q_DECLARE_METATYPE(QList<int>)
@@ -71,6 +70,9 @@ class tst_QTextStream : public QObject
 {
     Q_OBJECT
 
+public:
+    tst_QTextStream();
+
 public slots:
     void initTestCase();
     void cleanup();
@@ -239,12 +241,22 @@ private:
     void generateRealNumbersData(bool for_QString);
     void generateStringData(bool for_QString);
     void generateRealNumbersDataWrite();
+
+    QTemporaryDir tempDir;
+    QString testFileName;
 };
 
+tst_QTextStream::tst_QTextStream()
+    : tempDir(QDir::tempPath() + "/tst_qtextstream.XXXXXX")
+{
+}
+
 void tst_QTextStream::initTestCase()
 {
     QVERIFY(QtNetworkSettings::verifyTestNetworkSettings());
 
+    testFileName = tempDir.path() + "/testfile";
+
     // chdir into the testdata dir and refer to our helper apps with relative paths
     QString testdata_dir = QFileInfo(QFINDTESTDATA("stdinProcess")).absolutePath();
     QVERIFY2(QDir::setCurrent(testdata_dir), qPrintable("Could not chdir to " + testdata_dir));
@@ -488,8 +500,8 @@ void tst_QTextStream::readLineFromDevice()
     QFETCH(QByteArray, data);
     QFETCH(QStringList, lines);
 
-    QFile::remove(TestFileName);
-    QFile file(TestFileName);
+    QFile::remove(testFileName);
+    QFile file(testFileName);
     QVERIFY(file.open(QFile::ReadWrite));
     QCOMPARE(file.write(data), qlonglong(data.size()));
     QVERIFY(file.flush());
@@ -1340,7 +1352,7 @@ void tst_QTextStream::pos2()
 void tst_QTextStream::pos3LargeFile()
 {
     {
-        QFile file(TestFileName);
+        QFile file(testFileName);
         file.open(QIODevice::WriteOnly | QIODevice::Text);
         QTextStream out( &file );
         // NOTE: The unusual spacing is to ensure non-1-character whitespace.
@@ -1351,7 +1363,7 @@ void tst_QTextStream::pos3LargeFile()
             out << lineString;
         // File is automatically flushed and closed on destruction.
     }
-    QFile file(TestFileName);
+    QFile file(testFileName);
     file.open(QIODevice::ReadOnly | QIODevice::Text);
     QTextStream in( &file );
     const int testValues[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
@@ -1677,8 +1689,8 @@ void tst_QTextStream::utf8IncompleteAtBufferBoundary_data()
 
 void tst_QTextStream::utf8IncompleteAtBufferBoundary()
 {
-    QFile::remove(TestFileName);
-    QFile data(TestFileName);
+    QFile::remove(testFileName);
+    QFile data(testFileName);
 
     QTextCodec *utf8Codec = QTextCodec::codecForMib(106);
     QString lineContents = QString::fromUtf8("\342\200\223" // U+2013 EN DASH