The Qt fixture reads Qt's own string through variables, so lupdate keeps it out of the program's .ts

Author: Sunrisepeak

tests/qt-consumer/qt_consumer_de.ts

@@ -1,14 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE TS>
 <TS version="2.1" language="de_DE">
-<context>
-    <name>QProgressDialog</name>
-    <message>
-        <location filename="src/main.cpp" line="52"/>
-        <source>Cancel</source>
-        <translation type="unfinished"></translation>
-    </message>
-</context>
 <context>
     <name>main</name>
     <message>

tests/qt-consumer/src/main.cpp

@@ -49,7 +49,11 @@ int main(int argc, char** argv) {
     }
     QCoreApplication::installTranslator(&qtTranslator);
     const QString hello  = QCoreApplication::translate("main", "hello");
-    const QString cancel = QCoreApplication::translate("QProgressDialog", "Cancel");
+    // Through variables, so lupdate does not take Qt's own string into this
+    // program's .ts: it extracts literals only.
+    const char* qtContext = "QProgressDialog";
+    const char* qtSource  = "Cancel";
+    const QString cancel = QCoreApplication::translate(qtContext, qtSource);
 
     std::printf("qt-consumer: signal %d, resource '%s', translation '%s', Qt %s, Qt's own '%s'\n",
                 relay.seen, text.constData(), hello.toUtf8().constData(), qVersion(),