Fix a URI related problem on windows.

editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/internal/model/DartLibraryImplTest.java

 /*
  * Copyright (c) 2011, 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 442 matching lines @@
 
   public void test_DartLibraryImpl_isUnreferenced_topLevel() throws Exception {
     DartLibraryImpl library = getDartLibEmpty();
     assertTrue(library.isUnreferenced());
     library.setTopLevel(true);
     assertFalse(library.isUnreferenced());
     library.setTopLevel(false);
     assertTrue(library.isUnreferenced());
   }
 
+  public void test_DartLibraryImpl_newLibrarySourceFile() throws Exception {
+    DartLibraryImpl library = getDartLibExternal();
+    assertTrue(library.getLibrarySourceFile().getUri().toString().startsWith("file:/"));
+  }
+
   public void test_DartLibraryImpl_nonExistantBundledLib() throws Exception {
     String memento = "= {file:/some/path/to/missing_bundled_lib.dart";
     DartLibraryImpl actual = (DartLibraryImpl) DartCore.create(memento);
     assertNotNull(actual);
   }
 
   public void test_DartLibraryImpl_nonExistantCompUnitAndBundledLib() throws Exception {
     String memento = "= {file:/some/path/to/missing_bundled_lib.dart!src/NonExistingClass.dart";
     ExternalCompilationUnitImpl actual = (ExternalCompilationUnitImpl) DartCore.create(memento);
     assertNotNull(actual);
@@ skipping 284 matching lines @@
       createTempFile(libFile, content);
       if (createClass) {
         File classFile = new File(libDir, className + ".dart");
         String classContent = "class " + className + " { }";
         createTempFile(classFile, classContent);
       }
     }
     return libFile;
   }
 }