Added test case double_plus and improved Token::printOut

src/token.cpp

@@ -471,12 +471,20 @@ void Token::printOut(const char *title) const
         std::cout << "########";
 
     std::cout << "###" << std::endl;
+    unsigned int lineNum = 0;
     for (const Token *t = this; t; t = t->next())
     {
-        std::cout << t->linenr() << ": " << t->str();
+        if (lineNum != t->linenr())
-        if (t->varId())
+        {
-            std::cout << " (" << t->varId() << ")";
+            std::cout << std::endl << t->linenr() << ": ";
+            lineNum = t->linenr();
+        }
 
-        std::cout << std::endl;
+        std::cout << t->str();
+//        if (t->varId())
+        //          std::cout << " (" << t->varId() << ")";
+
+        std::cout << " ";
     }
+    std::cout << std::endl;
 }

test/testsimplifytokens.cpp

@@ -40,6 +40,7 @@ private:
         TEST_CASE(sizeof1);
         TEST_CASE(iftruefalse);
         TEST_CASE(combine_strings);
+        // TODO TEST_CASE(double_plus);
     }
 
     std::string tok(const char code[])
@@ -163,6 +164,27 @@ private:
                               "}\n";
         ASSERT_EQUALS(tok(code2), tok(code1));
     }
+
+    void double_plus()
+    {
+        {
+            const char code1[] =  "void foo( int a )\n"
+                                  "{\n"
+                                  "a++;\n"
+                                  "a--;\n"
+                                  "++a;\n"
+                                  "--a;\n"
+                                  "}\n";
+            ASSERT_EQUALS("void foo ( int a ) { a ++ ; a -- ; ++ a ; -- a ; } ", tok(code1));
+        }
+        {
+            const char code1[] =  "void foo( int a )\n"
+                                  "{\n"
+                                  "a=a+a;\n"
+                                  "}\n";
+            ASSERT_EQUALS("void foo ( int a ) { a = a + a ; } ", tok(code1));
+        }
+    }
 };
 
 REGISTER_TEST(TestSimplifyTokens)