Issue 1355. Support for call(). Tweaks for element locator and rename refactoring

editor/tools/plugins/com.google.dart.tools.ui_test/src/com/google/dart/tools/ui/refactoring/RenameMethodProcessorTest.java

 /*
  * Copyright (c) 2012, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 138 matching lines @@
         "By convention, method names usually start with a lowercase letter",
         showStatusMessages.get(0));
     // status was warning, so rename was done
     assertTestUnitContent(
         "// filler filler filler filler filler filler filler filler filler filler",
         "class A {",
         "  NewName() {}",
         "}");
   }
 
+  public void test_methodCall() throws Exception {
+    setTestUnitContent(
+        "// filler filler filler filler filler filler filler filler filler filler",
+        "class A {",
+        "  call() {}",
+        "}");
+    Method method = findElement("call() {}");
+    // try to rename
+    try {
+      renameMethod(method, "newName");
+      fail();
+    } catch (InterruptedException e) {
+    }
+    // error should be displayed
+    assertThat(openInformationMessages).isEmpty();
+    assertThat(showStatusMessages).hasSize(1);
+    assertEquals(RefactoringStatus.FATAL, showStatusSeverities.get(0).intValue());
+    assertEquals("Method 'call' cannot be renamed", showStatusMessages.get(0));
+  }
+
   public void test_OK_getter() throws Exception {
     setTestUnitContent(
         "// filler filler filler filler filler filler filler filler filler filler",
         "class A {",
         "  int get test() {",
         "    return 42;",
         "  }",
         "}",
         "f() {",
         "  A a = new A();",
@@ skipping 606 matching lines @@
         "// filler filler filler filler filler filler filler filler filler filler",
         "class A {",
         "  newName(var p) {}",
         "  f1() {",
         "    newName(0);",
         "  }",
         "}",
         "somethingBad");
   }
 }