Replace the '+' operator with String.prototype.concat()

regression-tests/12-rpl/01-rpl-up-route.csc

@@ -323,11 +323,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/02-rpl-root-reboot.csc

@@ -323,11 +323,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/03-rpl-28-hours.csc

@@ -272,11 +272,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/04-rpl-large-network.csc

@@ -7038,11 +7038,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/05-rpl-up-and-down-routes.csc

@@ -321,11 +321,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/06-rpl-temporary-root-loss.csc

@@ -327,11 +327,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-0.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-1.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-2.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-3.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-4.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/08-rpl-dao-route-loss-5.csc

@@ -339,11 +339,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/09-rpl-probing.csc

@@ -234,12 +234,12 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
         lastMsgHops = hops;
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }


regression-tests/12-rpl/10-rpl-multi-dodag.csc

@@ -368,11 +368,11 @@ while(true) {
             lostMsgs += numMissed;           
             log.log("Missed messages " + numMissed + " before " + num + "\n");            
             for(i = 0; i < numMissed; i++) {
-                packets = packets.substr(0, lastMsg + i + 1) + "_";    
+                packets = packets.substr(0, lastMsg + i + 1).concat("_");    
             }
           }    
         }
-        packets = packets.substr(0, num) + "*";
+        packets = packets.substr(0, num).concat("*");
         log.log("" + hops + " " + packets + "\n");
         lastMsg = num;
     }