[cpp-qt] Add option for download progress, add test (#19297)

* add option for download progress, add test

* add cmake file

* remove test

* update

samples/client/petstore/cpp-qt-addDownloadProgress/build-and-test.bash

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -e
+# export RUN_VALGRIND_TESTS=TRUE
+
+mkdir -p build
+cd build
+
+cmake ..
+
+cmake --build .
+
+if [[ -z "${RUN_VALGRIND_TESTS}" ]]; then
+    echo "Running Qt Petstore Tests"
+    ctest
+else
+  echo "Running Qt Petstore Tests with Valgrind"
+  valgrind --leak-check=full ./cpp-qt-petstore |& tee result.log || exit 1
+  testCount=$(cat result.log | grep 'Finished testing of' | wc -l)
+  if [ $testCount == 3 ]
+  then
+    echo "Ok"
+  else
+    echo "The tests were not run!!!"
+    exit 1
+  fi
+
+  echo "Make sure the tests passed:"
+  successCount=$(cat result.log | grep '0 failed' | wc -l)
+  if [ $successCount == 3 ]
+  then
+    echo "Ok"
+  else
+    echo "The tests failed!!!"
+    exit 1
+  fi
+
+  echo "Check if no memory leaks occurred:"
+  leakCount=$(cat result.log | grep 'lost: 0 bytes in 0 blocks' | wc -l)
+  if [ $leakCount == 3 ]
+  then
+    echo "Ok"
+  else
+    echo "There was memory leaks!!!"
+    exit 1
+  fi
+fi
+