have the QtScript print() function use qDebug()

Makes it work with custom message handlers (qInstallMsgHandler()).

Task-number: 233005

2 files changed, 29 insertions, 2 deletions

diff --git a/src/script/qscriptecmaglobal.cpp b/src/script/qscriptecmaglobal.cpp
index a7cb115..b756a27 100644
--- a/src/script/qscriptecmaglobal.cpp
+++ b/src/script/qscriptecmaglobal.cpp
@@ -305,8 +305,7 @@ public:
         }
 
         if (context->state() != QScriptContext::ExceptionState) {
-            QTextStream qout(stdout, QIODevice::WriteOnly);
-            qout << result << endl;
+            qDebug(qPrintable(result));
             context->setReturnValue(eng->undefinedValue());
         }
 #ifndef Q_SCRIPT_NO_EVENT_NOTIFY
diff --git a/tests/auto/qscriptengine/tst_qscriptengine.cpp b/tests/auto/qscriptengine/tst_qscriptengine.cpp
index b63236e..68df392 100644
--- a/tests/auto/qscriptengine/tst_qscriptengine.cpp
+++ b/tests/auto/qscriptengine/tst_qscriptengine.cpp
@@ -101,6 +101,7 @@ private slots:
     void automaticSemicolonInsertion();
     void abortEvaluation();
     void isEvaluating();
+    void printFunctionWithCustomHandler();
     void printThrowsException();
     void errorConstructors();
     void argumentsProperty();
@@ -2473,6 +2474,33 @@ void tst_QScriptEngine::isEvaluating()
     }
 }
 
+static QtMsgType theMessageType;
+static QString theMessage;
+
+static void myMsgHandler(QtMsgType type, const char *msg)
+{
+    theMessageType = type;
+    theMessage = QString::fromLatin1(msg);
+}
+
+void tst_QScriptEngine::printFunctionWithCustomHandler()
+{
+    QScriptEngine eng;
+    QtMsgHandler oldHandler = qInstallMsgHandler(myMsgHandler);
+    QVERIFY(eng.globalObject().property("print").isFunction());
+    theMessageType = QtSystemMsg;
+    QVERIFY(theMessage.isEmpty());
+    QVERIFY(eng.evaluate("print('test')").isUndefined());
+    QCOMPARE(theMessageType, QtDebugMsg);
+    QCOMPARE(theMessage, QString::fromLatin1("test"));
+    theMessageType = QtSystemMsg;
+    theMessage.clear();
+    QVERIFY(eng.evaluate("print(3, true, 'little pigs')").isUndefined());
+    QCOMPARE(theMessageType, QtDebugMsg);
+    QCOMPARE(theMessage, QString::fromLatin1("3 true little pigs"));
+    qInstallMsgHandler(oldHandler);
+}
+
 void tst_QScriptEngine::printThrowsException()
 {
     QScriptEngine eng;