Added a superfluous item that QBind<QJsonReader,Person> ignores

Added one decimal to better measure performance which is now close to a
few µsec

tests/QBind/main.cpp

@@ -118,7 +118,7 @@ private:
 // NB: It is not possible to use QBENCHMARK to item qDebug because it installs a specific handler
 
 #define GROUP(group) { \
-    qint64 previousTotal=0, groupTotal=0; \
+    float previousTotal=0, groupTotal=0; \
     bool groupWarmup; \
     do { \
     groupWarmup=(previousTotal==0 || abs(groupTotal-previousTotal)*100/previousTotal > 1); \
@@ -127,14 +127,14 @@ private:
     if (!previousTotal) { fprintf(results,"group     "); fprintf(samples, "group         |%s\n", group); } else fprintf(results,"%-10s",group);
 
 #define GROUP_STOP \
-    if (!previousTotal) fprintf(results,"|total(usecs)|variation(%%)\n"); else fprintf(results,"|%12lld|%3lld\n", groupTotal, previousTotal ? abs(groupTotal-previousTotal)*100/previousTotal : 0); \
+    if (!previousTotal) fprintf(results,"|total(usecs)|variation(%%)\n"); else fprintf(results,"|%12.1f|%5.1f\n", groupTotal, previousTotal ? abs(groupTotal-previousTotal)*100/previousTotal : 0); \
     } while (groupWarmup); }
 
 QElapsedTimer item;
 #define START item.start(); for (int i=0; i<123; ++i)
 #define STOP(label,result) { \
-    auto usecs=item.nsecsElapsed()/1000/123; groupTotal+=usecs; \
-    if (!previousTotal) { fprintf(results,"|%14s", label); fprintf(samples, "%-14s|%s\n", label, qPrintable(result)); } else fprintf(results,"|%14lld", usecs); }
+    auto usecs=float(item.nsecsElapsed())/1000/123; groupTotal+=usecs; \
+    if (!previousTotal) { fprintf(results,"|%14s", label); fprintf(samples, "%-14s|%s\n", label, qPrintable(result)); } else fprintf(results,"|%14.1f", usecs); }
 
 int main()
 {
@@ -300,7 +300,7 @@ int main()
     {
         QBuffer json;
         json.open(QIODevice::ReadOnly);
-        json.buffer() = "_[ _\"John\" _, \"Doe\" , _1.75 , [ \"+44 1234567\" , \"+44 2345678\" ] _] ";
+        json.buffer() = "_[ _\"John\" _, \"Doe\" , _1.75 , [ \"+44 1234567\" , \"+44 2345678\" ], \"superfluous item\" _] ";
         Person p;
         QVector<QTextReadError> errors;
         START {