unique dummy class name in groovy debugger evaluation

plugins/groovy/src/org/jetbrains/plugins/groovy/debugger/GroovyCodeFragmentFactory.java

@@ -144,8 +144,8 @@ public class GroovyCodeFragmentFactory extends CodeFragmentFactory {
     javaText.append("final java.lang.ClassLoader |parentLoader = |clazz.getClassLoader();\n" +
                     "   final groovy.lang.GroovyClassLoader |loader = new groovy.lang.GroovyClassLoader(|parentLoader);\n" +
                     "   final java.lang.Class |c = |loader.parseClass(");
-    javaText.append("\"" + IMPORTS + "class DUMMY { " +
-                       "public groovy.lang.Closure " +
+    javaText.append("\"" + IMPORTS + "class DUMMY" + new Random().nextInt(239) + " { " +
+                    "public groovy.lang.Closure " +
                        EVAL_NAME + " = {" + TEXT + "}}\"");
     javaText.append(", \"DUMMY.groovy\");\n" +
                     "   int |i;\n" +

plugins/groovy/test/org/jetbrains/plugins/groovy/compiler/GroovyDebuggerTest.groovy

@@ -50,6 +50,8 @@ import com.intellij.testFramework.builders.JavaModuleFixtureBuilder
 import com.intellij.testFramework.fixtures.impl.TempDirTestFixtureImpl
 import com.intellij.util.SystemProperties
 import com.intellij.util.concurrency.Semaphore
+import junit.framework.Test
+import junit.framework.TestSuite
 /**
  * @author peter
  */
@@ -155,6 +157,8 @@ package com
 class Foo {
   static bar = 2
   int field = 3
+  
+  String toString() { field as String }
 }""")
 
 
@@ -173,6 +177,8 @@ println 2 //4
       eval 'secondConstant', '1'
       eval 'mainConstant - secondConstant', '41'
       eval '(lst as List<Foo>)[0].field', '3'
+      eval 'lst', '[3]'
+      eval 'lst.size()', '1'
     }
   }
 
@@ -330,17 +336,16 @@ foo()
   }
 
   private void eval(final String codeText, String expected) throws EvaluateException {
-
     Semaphore semaphore = new Semaphore()
     semaphore.down()
-    semaphore.down()
 
     EvaluationContextImpl ctx
     def item = new WatchItemDescriptor(project, new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, codeText))
     managed {
       ctx = evaluationContext()
       item.setContext(ctx)
-      item.updateRepresentation(ctx, { semaphore.up() } as DescriptorLabelListener)
+      item.updateRepresentation(ctx, { } as DescriptorLabelListener)
+      semaphore.up()
     }
     assert semaphore.waitFor(10000):  "too long evaluation: $item.label $item.evaluateException"