Make RangeError.toString use the name field that it inherits from ArgumentError.

tests/corelib/range_error_test.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.
 
 import "package:expect/expect.dart";
 
-// Dart test for testing out of range exceptions on arrays.
+// Dart test for testing out of range exceptions on arrays, and the content
+// of range_error toString().
 
-class RangeErrorTest {
-  static testRead() {
-    testListRead([], 0);
-    testListRead([], -1);
-    testListRead([], 1);
+void main() {
+  testRead();
+  testWrite();
+  testToString();
+}
 
-    var list = [1];
-    testListRead(list, -1);
-    testListRead(list, 1);
+void testRead() {
+  testListRead([], 0);
+  testListRead([], -1);
+  testListRead([], 1);
 
-    list = new List(1);
-    testListRead(list, -1);
-    testListRead(list, 1);
+  var list = [1];
+  testListRead(list, -1);
+  testListRead(list, 1);
 
-    list = new List();
-    testListRead(list, -1);
-    testListRead(list, 0);
-    testListRead(list, 1);
-  }
+  list = new List(1);
+  testListRead(list, -1);
+  testListRead(list, 1);
 
-  static testWrite() {
-    testListWrite([], 0);
-    testListWrite([], -1);
-    testListWrite([], 1);
+  list = new List();
+  testListRead(list, -1);
+  testListRead(list, 0);
+  testListRead(list, 1);
+}
 
-    var list = [1];
-    testListWrite(list, -1);
-    testListWrite(list, 1);
+void testWrite() {
+  testListWrite([], 0);
+  testListWrite([], -1);
+  testListWrite([], 1);
 
-    list = new List(1);
-    testListWrite(list, -1);
-    testListWrite(list, 1);
+  var list = [1];
+  testListWrite(list, -1);
+  testListWrite(list, 1);
 
-    list = new List();
-    testListWrite(list, -1);
-    testListWrite(list, 0);
-    testListWrite(list, 1);
-  }
+  list = new List(1);
+  testListWrite(list, -1);
+  testListWrite(list, 1);
 
-  static testMain() {
-    testRead();
-    testWrite();
-  }
+  list = new List();
+  testListWrite(list, -1);
+  testListWrite(list, 0);
+  testListWrite(list, 1);
+}
 
-  static testListRead(list, index) {
-    var exception = null;
-    try {
-      var e = list[index];
-    } on RangeError catch (e) {
-      exception = e;
+void testToString() {
+  for (var name in [null, "THENAME"]) {
+    for (var message in [null, "THEMESSAGE"]) {
+      var value = 37;
+      for (var re in [
+          new ArgumentError.value(value, name, message),
+          new RangeError.value(value, name, message),
+          new RangeError.index(value, [], name, message),
+          new RangeError.range(value, 0, 24, name, message)
+      ]) {
+        var str = re.toString();
+        if (name != null) Expect.isTrue(str.contains(name), "$name in $str");
+        if (message != null) Expect.isTrue(str.contains(message),
+                                           "$message in $str");
+        Expect.isTrue(str.contains("$value"), "$value in $str");
+        // No empty ':' separated parts - in that case the colon is omitted too.
+        Expect.isFalse(str.contains(new RegExp(":\s*:")));
+      }
     }
-    Expect.equals(true, exception != null);
-  }
-
-  static testListWrite(list, index) {
-    var exception = null;
-    try {
-      list[index] = null;
-    } on RangeError catch (e) {
-      exception = e;
-    }
-    Expect.equals(true, exception != null);
   }
 }
 
-main() {
-  RangeErrorTest.testMain();
+void testListRead(list, index) {
+  var exception = null;
+  try {
+    var e = list[index];
+  } on RangeError catch (e) {
+    exception = e;
+  }
+  Expect.equals(true, exception != null);
 }
+
+void testListWrite(list, index) {
+  var exception = null;
+  try {
+    list[index] = null;
+  } on RangeError catch (e) {
+    exception = e;
+  }
+  Expect.equals(true, exception != null);
+}