- Remove more String operator + from tests.

tests/language/src/SuperOperatorTest.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test for testing super operator calls
 
 
 class A {
   String val = "";
   List things;
 
   A() : things = ['D', 'a', 'r', 't', 42];
 
   operator + (String s) {
-    val = val + s;
+    val = "${val}${s}";

[hausner, 2012/04/11 18:01:24]

or val.concat(s);

     return this;
   }
 
   operator [] (i) {
     return things[i];
   }
 
   operator []= (i, val) {
     return things[i] = val;
   }
 }
 
 
 class B extends A {
   operator + (String s) {
-    super + (s + s);  // Call A.operator+(this, s + s).
+    super + ("${s}${s}");  // Call A.operator+(this, s + s).

[hausner, 2012/04/11 18:01:24]

+ in comment is meaningless.

[Ivan Posva, 2012/04/13 13:29:17]

Done.

     return this;
   }
 
   operator [] (i) {
     var temp = super[i];
+    if (temp is String) {
+      return "$temp$temp";

[hausner, 2012/04/11 18:01:24]

or return temp.concat(temp);

+    }
     return temp + temp;
   }
 
   operator []= (i, val) {
     // Make sure the index expression is only evaluated
     // once in the presence of a compound assignment.
     return super[i++] += val;
   }
 
 }
 
 main () {
   var a = new A();
   a = a + "William";  // operator + of class A.
   Expect.equals("William", a.val);
   Expect.equals("r", a[2]);  // operator [] of class A.
 
   a = new B();
   a += "Tell";   // operator + of class B.
   Expect.equals("TellTell", a.val);
   Expect.equals("rr", a[2]);  // operator [] of class B.
 
   a[4] = 1;  // operator []= of class B.
   Expect.equals(43, a.things[4]);
   Expect.equals(86, a[4]);
 
 }