add memleak check into github ci

.github/scripts/prep_valgrind_test.sh

@@ -0,0 +1,16 @@
+#! /bin/bash
+echo "
+check_return_code() {
+        if [ $? -ne 0 ]; then
+                echo \"Memory leak detected. Test Failed...\"
+                exit 1
+        fi
+} 
+
+" > test_valgrind.sh
+
+find . -iname "*.test" -type f | while IFS= read -r line; do
+	dirname=$(dirname "$line")
+	realname=$(basename "$line")
+	echo "cd ${dirname}; valgrind --leak-check=full --show-leak-kinds=all --error-exitcode=1 ./${realname}; check_return_code; cd -" >> test_valgrind.sh
+done

.github/workflows/ContinuousIntegration.yml

@@ -29,11 +29,24 @@ jobs:
     - name: mkdir bin
       run: mkdir bin
     - name: cmake
-      run: cmake -DPYTHON_EXECUTABLE=$(which python3) -D CMAKE_CXX_COMPILER=`which ${{matrix.cxx}}` -D CMAKE_BUILD_TYPE=${{matrix.build_type}} -D tools.tests=ON ..
+      run: cmake -DCMAKE_CXX_FLAGS="-gdwarf-4" -DPYTHON_EXECUTABLE=$(which python3) -D CMAKE_CXX_COMPILER=`which ${{matrix.cxx}}` -D CMAKE_BUILD_TYPE=${{matrix.build_type}} -D tools.tests=ON ..
       working-directory: ./bin
     - name: make
       run: make -j2
       working-directory: ./bin
     - name: ctest
       run: ctest -j2
       working-directory: ./bin
+
+    - name: Setup Valgrind on Ubuntu
+      if: ${{matrix.os == 'ubuntu-22.04'}}
+      run: |
+        sudo apt-get install valgrind;
+        bash .github/scripts/prep_valgrind_test.sh
+      working-directory: .
+
+    - name: Run tests with Valgrind
+      if: ${{matrix.os == 'ubuntu-22.04'}}
+      run: |
+        bash test_valgrind.sh
+      working-directory: .