Fix Unicode builds after recent test cases related changes.

Author: wilx

tests/appender_test/main.cxx

@@ -116,8 +116,8 @@ main()
             // Test appender's error handling for wrong layout.
 
             {
-                std::istringstream propsStream (
-                    "layout=log4cplus::WrongLayout");
+                tistringstream propsStream (
+                    LOG4CPLUS_TEXT ("layout=log4cplus::WrongLayout"));
                 Properties props (propsStream);
                 SharedObjectPtr<Appender> append (
                     new ConsoleAppender (props));
@@ -127,8 +127,8 @@ main()
             // Test threshold parsing.
 
             {
-                std::istringstream propsStream (
-                    "Threshold=ERROR");
+                tistringstream propsStream (
+                    LOG4CPLUS_TEXT ("Threshold=ERROR"));
                 Properties props (propsStream);
                 SharedObjectPtr<Appender> append (
                     new ConsoleAppender (props));
@@ -138,8 +138,8 @@ main()
             // Test threshold parsing of wrong log level.
 
             {
-                std::istringstream propsStream (
-                    "Threshold=WRONG");
+                tistringstream propsStream (
+                    LOG4CPLUS_TEXT ("Threshold=WRONG"));
                 Properties props (propsStream);
                 SharedObjectPtr<Appender> append (
                     new ConsoleAppender (props));
@@ -149,8 +149,8 @@ main()
             // Test wrong filter parsing.
 
             {
-                std::istringstream propsStream (
-                    "filters.1=log4cplus::spi::WrongFilter");
+                tistringstream propsStream (
+                    LOG4CPLUS_TEXT ("filters.1=log4cplus::spi::WrongFilter"));
                 Properties props (propsStream);
                 SharedObjectPtr<Appender> append (
                     new ConsoleAppender (props));

tests/fileappender_test/main.cxx

@@ -35,14 +35,15 @@ main()
     }
 
     {
-        std::istringstream propsStream ("File=");
+        tistringstream propsStream (LOG4CPLUS_TEXT ("File="));
         helpers::Properties props (propsStream);
         FileAppender appender (props);
         appender.setName (LOG4CPLUS_TEXT ("Second"));
     }
 
     {
-        std::istringstream propsStream ("File=nonexistent/Test.log");
+        tistringstream propsStream (
+            LOG4CPLUS_TEXT("File=nonexistent/Test.log"));
         helpers::Properties props (propsStream);
         FileAppender appender (props);
         appender.setName (LOG4CPLUS_TEXT ("Third"));

tests/propertyconfig_test/main.cxx

@@ -33,7 +33,7 @@ main()
 
 #define TEST_TEXT LOG4CPLUS_TEXT ("this is a test with DOS EOL-->")
         tistringstream propsStream (
-            "text=" TEST_TEXT "\r\n");
+            LOG4CPLUS_TEXT ("text=") TEST_TEXT LOG4CPLUS_TEXT ("\r\n"));
         Properties props (propsStream);
         if (props.getProperty (LOG4CPLUS_TEXT ("text")) != TEST_TEXT)
             LOG4CPLUS_ERROR (root, LOG4CPLUS_TEXT ("DOS EOLs test has failed"));