Test: Add test cases for Persistence::validateXMLString

tests/src/Base/Reader.cpp

@@ -7,6 +7,7 @@
 #endif
 
 #include "Base/Exception.h"
+#include "Base/Persistence.h"
 #include "Base/Reader.h"
 #include <array>
 #include <filesystem>
@@ -459,3 +460,13 @@ TEST_F(ReaderTest, validDefaults)
     EXPECT_THROW({ xml.Reader()->getAttribute<TimesIGoToBed>("missing"); }, Base::XMLBaseException);
     EXPECT_EQ(value20, TimesIGoToBed::Late);
 }
+
+TEST_F(ReaderTest, validateXmlString)
+{
+    std::string input = "abcde";
+    std::string output = input;
+    input.push_back(char(15));
+    output.push_back('_');
+    std::string result = Base::Persistence::validateXMLString(input);
+    EXPECT_EQ(output, result);
+}